Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. Humidity indicates the likelihood for precipitation , dew , or fog to be present.
96-457: Sujuk or sucuk ( /suːˈd͡ʒʊk/ ) is a dry, spicy and fermented sausage which is consumed in several Turkish , Balkan , Middle Eastern and Central Asian cuisines . Sujuk mainly consists of ground meat and animal fat usually obtained from beef or lamb , but beef is mainly used in Turkey , Bosnia and Herzegovina , Albania , Armenia , Bulgaria , Kazakhstan , and Kyrgyzstan . Sucuk
192-534: A lompe , a potato flatbread somewhat similar to a lefse . Virtually all sausages will be industrially precooked and either fried or warmed in hot water by the consumer or at the hot dog stand . Since hot dog stands are ubiquitous in Denmark (known as Pølsevogn ) some people regard pølser as one of the national dishes , perhaps along with medisterpølse , a fried, finely ground pork and bacon sausage. The most noticeable aspect of Danish boiled sausages (never
288-885: A Mesgnien Meninski in his Thesaurus recorded the word sucuk ( سجوق ) for the first time in Ottoman Turkish in late 17th century. The Turkish name sucuk has been adopted largely unmodified by other languages in the region, including: Gagauz : sucuk ; Albanian : suxhuk ; Arabic : سُجُق , romanized : sujuq ; Armenian : սուջուխ , romanized : suǰux ; Bosnian : sudžuk or sudžuka ; Bulgarian : суджук , romanized : sudzhuk ; Greek : σουτζούκι , romanized : sutzúki ; Macedonian : суџук , romanized : sudzhuk ; Azerbaijani : sucuq ; Romanian : sugiuc or ghiuden ; Russian : суджук , romanized : sudzhuk ; Serbo-Croatian : sudžuk / cyџyк ; Kurdish : benî, sicûq . In Turkey, beef
384-437: A bi-national dish known as bangers and mash . Pigs in blankets is a dish consisting of small sausages (usually chipolatas ) wrapped in bacon . They are a popular and traditional accompaniment to roast turkey in a Christmas dinner and are served as a side dish . In Dublin , sausages are often served in a stew called coddle where they are boiled without first being browned. There are various laws concerning
480-413: A casing. Ingredients may include a cheap starch filler such as breadcrumbs or grains, seasoning and flavourings such as spices, and sometimes others such as apple and leek. The meat may be from any animal but is often pork, beef or veal , or poultry. The lean meat-to-fat ratio depends upon the style and producer. The meat content as labelled may exceed 100%, which happens when the weight of meat exceeds
576-402: A change in temperature. The numbers are exactly equal if we consider the gases as ideal . The addition of water molecules, or any other molecules, to a gas, without removal of an equal number of other molecules, will necessarily require a change in temperature, pressure, or total volume; that is, a change in at least one of these three parameters. If temperature and pressure remain constant,
672-447: A high relative humidity (RH) environment around 22–23 °C (72–73 °F). After that the RH and the temperature is gradually dropped each day, resulting to 18 °C (64 °F) and 88% RH in the last and third day of fermentation. At the end of the stage pH of the product must be dropped to 4.9–5.0. In the post-fermentation stage sucuk is matured and dried until the moisture content of
768-625: A low price point , almost any part of the animal can end up in sausages, varying from cheap, fatty specimens stuffed with meat blasted off the carcasses ( mechanically recovered meat , MRM) and rusk . On the other hand, the finest quality contain only choice cuts of meat and seasoning. In Britain, "meat" declared on labels could in the past include fat, connective tissue, and MRM. These ingredients may still be used but must be labelled as such, and up to 10% water may be included without being labelled. Many nations and regions have their own characteristic sausages, using meats and other ingredients native to
864-433: A much lower scale height and shorter atmospheric lifetime — weeks instead of decades. Without other greenhouse gases, Earth's blackbody temperature , below the freezing point of water, would cause water vapor to be removed from the atmosphere. Water vapor is thus a "slave" to the non-condensible greenhouse gases. Humidity is one of the fundamental abiotic factors that defines any habitat (the tundra, wetlands, and
960-419: A non-condensable phase other than air. A device used to measure humidity of air is called a psychrometer or hygrometer . A humidistat is a humidity-triggered switch, often used to control a humidifier or a dehumidifier . The humidity of an air and water vapor mixture is determined through the use of psychrometric charts if both the dry bulb temperature ( T ) and the wet bulb temperature ( T w ) of
1056-525: A relatively high humidity post-rainfall. Outside the monsoon seasons, humidity is high (in comparison to countries further from the Equator), but completely sunny days abound. In cooler places such as Northern Tasmania, Australia, high humidity is experienced all year due to the ocean between mainland Australia and Tasmania. In the summer the hot dry air is absorbed by this ocean and the temperature rarely climbs above 35 °C (95 °F). Humidity affects
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#17328017266381152-521: A sausage typically from Abruzzo , Lazio , Marche , Umbria , and Tuscany regions that includes mashed liver. The style from Abruzzo includes pork liver, heart, lungs, and pork cheek, and is seasoned with garlic, orange peel, salt, pepper, and bay leaves . Salsiccia al finocchio (' fennel sausage') is a sausage popularised in the Sicily region. These sausages differ from the Tuscan style sausage due
1248-449: A segment of Taiwanese pork sausage is wrapped in a sticky rice sausage to make this delicacy, usually served chargrilled. There are several Lao sausage types, but the most popular are sai ua and sai gork that have a unique taste and are different from most sausages found internationally. Sai oua is an ancient Lao word that literally combines sai (intestine) with ua (stuffed). It originated from Luang Prabang, an ancient royal capital of
1344-451: A specific region of Thailand . From northern Thailand comes sai ua , a grilled minced pork sausage flavored with curry paste and fresh herbs. Another grilled sausage is called sai krok Isan , a fermented sausage with a distinctive slightly sour taste from northeastern Thailand (the region also known as Isan ). In the UK and Ireland, sausages are a very popular and common feature of
1440-723: A specific region like Vigan longganisa , Alaminos longganisa , and Chorizo de Cebu . The most widely known sausages in Philippine cuisine is the Pampanga longganisa . Bulk sausage versions are also known in Philippine English as "skinless sausages". There are also a few dry sausages like Chorizo de Bilbao and Chorizo de Macao . Most Filipino sausages are made from pork, but they can also be made from chicken, beef, or even tuna. There are many varieties of sausages known to Thai cuisine , some of which are specialities of
1536-407: A wide range of national and regional varieties, which differ by the types of meats that are used, the flavouring or spicing ingredients (e.g., garlic , peppers, wine , etc.), and the manner of preparation. In the 21st century, vegetarian and vegan varieties of sausage in which plant-based ingredients are used instead of meat have become much more widely available and consumed. The word sausage
1632-595: A wide range of styles such as swojska, krajańska, szynkowa (a ham sausage ), biała, śląska, krakowska , podhalańska, kishka and others. Sausages in Poland are generally made of pork, rarely beef. Sausages with low meat content and additions like soy protein, potato flour or water binding additions are regarded as of low quality. Because of climate conditions, sausages were traditionally preserved by smoking , rather than drying, like in Mediterranean countries. Since
1728-459: Is lucanica , discovered by Romans after the conquest of Lucania . Lucanica's recipe changed over the centuries and spread throughout Italy and the world with slightly different names. Today, lucanica sausage is identified as Lucanica di Picerno , produced in Basilicata (whose territory was part of the ancient Lucania). Mazzafegato sausage (' liver mash', or 'liver sausage') is
1824-517: Is Turkic diminutive suffix (Suɣutçuk => Sucuk). But according to some sources, this word evolved from a Middle Iranian word attested in Early New Persian as zīç ( زيچ ) and ziwīdj ( زویج ) (meaning "stretching, strip, cord" and "sausage" respectively) which later took the form of zīçak ( زیچک ), Cognate names are also present in other Turkic languages , e.g. Kazakh : шұжық , shujyq ; Kyrgyz : чучук , chuchuk . Franciscus
1920-416: Is a type of meat product usually made from ground meat —often pork , beef , or poultry —along with salt , spices and other flavourings. Other ingredients, such as grains or breadcrumbs, may be included as fillers or extenders. When used as an uncountable noun, the word sausage can refer to the loose sausage meat, which can be formed into patties or stuffed into a skin. When referred to as "a sausage",
2016-412: Is affected by winds and by rainfall. The most humid cities on Earth are generally located closer to the equator, near coastal regions. Cities in parts of Asia and Oceania are among the most humid. Bangkok, Ho Chi Minh City , Kuala Lumpur , Hong Kong, Manila , Jakarta , Naha , Singapore, Kaohsiung and Taipei have very high humidity most or all year round because of their proximity to water bodies and
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#17328017266382112-434: Is almost independent of the amount of air (nitrogen, oxygen, etc.) that is present. Indeed, a vacuum has approximately the same equilibrium capacity to hold water vapor as the same volume filled with air; both are given by the equilibrium vapor pressure of water at the given temperature. There is a very small difference described under "Enhancement factor" below, which can be neglected in many calculations unless great accuracy
2208-435: Is also a key metric used to evaluate when it is appropriate to install flooring over a concrete slab. Specific humidity (or moisture content) is the ratio of the mass of water vapor to the total mass of the air parcel. Specific humidity is approximately equal to the mixing ratio , which is defined as the ratio of the mass of water vapor in an air parcel to the mass of dry air for the same parcel. As temperature decreases,
2304-487: Is also measured on a global scale using remotely placed satellites. These satellites are able to detect the concentration of water in the troposphere at altitudes between 4 and 12 km (2.5 and 7.5 mi). Satellites that can measure water vapor have sensors that are sensitive to infrared radiation . Water vapor specifically absorbs and re-radiates radiation in this spectral band. Satellite water vapor imagery plays an important role in monitoring climate conditions (like
2400-543: Is an important metric used in weather forecasts and reports, as it is an indicator of the likelihood of precipitation , dew, or fog. In hot summer weather, a rise in relative humidity increases the apparent temperature to humans (and other animals) by hindering the evaporation of perspiration from the skin. For example, according to the heat index , a relative humidity of 75% at air temperature of 80.0 °F (26.7 °C) would feel like 83.6 ± 1.3 °F (28.7 ± 0.7 °C). Relative humidity
2496-465: Is commonly served as a Turkish breakfast dish. Sucuklu yumurta is a simple dish of fried eggs cooked together with sujuk, but sujuk may also be added to other egg dishes like menemen (which is similar to shakshouka but with scrambled eggs instead of poached). Sujuk can be added to many dishes including bean stew ( kuru fasulye ), filled phyllo dough pastries ( burek ) and as a topping for pizza or pide . Sausage A sausage
2592-460: Is defined as the ratio of the partial pressure of water vapor ( p {\displaystyle p} ) in air to the saturation vapor pressure ( p s {\displaystyle p_{s}} ) of water at the same temperature, usually expressed as a percentage: φ = 100 % ⋅ p / p s {\displaystyle \varphi =100\%\cdot p/p_{s}} Relative humidity
2688-627: Is expressed as either mass of water vapor per volume of moist air (in grams per cubic meter) or as mass of water vapor per mass of dry air (usually in grams per kilogram). Relative humidity , often expressed as a percentage, indicates a present state of absolute humidity relative to a maximum humidity given the same temperature. Specific humidity is the ratio of water vapor mass to total moist air parcel mass. Humidity plays an important role for surface life. For animal life dependent on perspiration (sweating) to regulate internal body temperature, high humidity impairs heat exchange efficiency by reducing
2784-409: Is ground again in 1.6–5-millimetre (0.063–0.197 in) plates, which forms the mosaic structure of sucuk. Thenceforth the product is filled in casings made of collagen or fiber and these casings are twisted or tied to portionize sucuk. Sucuk is then prepared for ripening process, which consists of fermentation and post-fermentation stages. In the first day of fermentation stage the product is left in
2880-430: Is inappropriate for computations in chemical engineering, such as drying, where temperature variations might be significant. As a result, absolute humidity in chemical engineering may refer to mass of water vapor per unit mass of dry air, also known as the humidity ratio or mass mixing ratio (see "specific humidity" below), which is better suited for heat and mass balance calculations. Mass of water per unit volume as in
2976-401: Is made of pork, barley groats and potato and is lightly smoked. Relative humidity Humidity depends on the temperature and pressure of the system of interest. The same amount of water vapor results in higher relative humidity in cool air than warm air. A related parameter is the dew point . The amount of water vapor needed to achieve saturation increases as the temperature increases. As
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3072-616: Is made of pork, sea salt, black peppercorns, coriander seeds and parsley. It is short and thick in shape and can be eaten grilled, fried, stewed, steamed or even raw when freshly made. A barbecue variety is similar to the original but with a thinner skin and less salt. In Ukrainian sausage is called "kovbasa" (ковбаса). It is a general term and is used to describe a variety of sausages including "domashnia" (homemade kovbasa), "pechinky" (liver kovbasa), "krovianka" (kovbasa filled with blood and buckwheat) and "vudzhena" (smoked kovbasa). The traditional varieties are similar to Polish kielbasa . It
3168-988: Is produced in Harbin, China's northernmost major city. It is similar to Lithuanian and Polish sausages including kiełbasa and podhalańska and tends to have a more European flavour than other Chinese sausages. This kind of sausage was first produced in a Russian-capitalized factory named Churin sausage factory in 1909. Harbin-style sausage has become popular in China, especially in northern regions. Lap cheong ( simplified Chinese : 腊肠 ; traditional Chinese : 臘腸 ; pinyin : làcháng ; Jyutping : laap6 coeng4 ; Cantonese Yale : laahp chéung ; also lap chong, lap chung, lop chong) are dried pork sausages that look and feel like pepperoni but are much sweeter. In southwestern China, sausages are flavored with salt, red pepper and wild pepper. People often cure sausages by smoking and air drying. Small sausage in large sausage ,
3264-528: Is required. Absolute humidity is the total mass of water vapor (gas form of water) present in a given volume or mass of air. It does not take temperature into consideration. Absolute humidity in the atmosphere ranges from near zero to roughly 30 g (1.1 oz) per cubic metre when the air is saturated at 30 °C (86 °F). Absolute humidity is the mass of the water vapor ( m H 2 O ) {\displaystyle (m_{{\text{H}}_{2}{\text{O}}})} , divided by
3360-523: Is served in a variety of ways such as fried with onions atop varenyky , sliced on rye bread, eaten with an egg and mustard sauce, or in "Yayechnia z Kovbosoyu i yarnoyu" a dish of fried kovbasa with red capsicum and scrambled eggs. In Ukraine kovbasa may be roasted in an oven on both sides and stored in ceramic pots with lard. The sausage is often made at home; however it has become increasingly brought at markets and even supermarkets. Kovbasa also tends to accompany " pysanka " (dyed and decorated eggs) as well as
3456-508: Is shown in State B. If the system at State A is isothermally compressed (compressed with no change in system temperature), then the relative humidity of the system increases because the partial pressure of water in the system increases with the volume reduction. This is shown in State C. Above 202.64 kPa, the RH would exceed 100% and water may begin to condense. If the pressure of State A was changed by simply adding more dry air, without changing
3552-656: Is the common Greek word for pork sausage. The name 'loukaniko' is derived from ancient Roman cuisine . Nordic sausages ( Danish : pølse , Norwegian : pølsa/pølse/pylsa/korv/kurv , Icelandic : bjúga/pylsa/grjúpán/sperðill , Swedish : korv , Finnish : makkara ) are usually made of 60–80% very finely ground pork, very sparsely spiced with pepper , nutmeg , allspice or similar sweet spices (ground mustard seed , onion and sugar may also be added). Water, lard, rind, potato starch flour and soy or milk protein are often added for binding and filling. In southern Norway, grilled and wiener sausages are often wrapped in
3648-450: Is the dry-bulb temperature expressed in degrees Celsius (°C), P {\displaystyle P} is the absolute pressure expressed in millibars, and e w ∗ {\displaystyle e_{w}^{*}} is the equilibrium vapor pressure expressed in millibars. Buck has reported that the maximal relative error is less than 0.20% between −20 and +50 °C (−4 and 122 °F) when this particular form of
3744-525: Is the main raw material for sucuk production. At the beginning of the process the meat is preground in 14–16-millimetre (0.55–0.63 in) plates and tested for its fat content. Afterwards the meat is mixed with curing salt , which contains 0.5% sodium nitrite , and stored for 8–16 hours in 8–12 °C (46–54 °F) for further processing. Later the preground meat is mixed with frozen and ground tail fat , beef tallow , suet and additives like spices, ascorbate , dextrose and starter culture . The mixture
3840-558: Is the most abundant of all greenhouse gases . Water vapor, like a green lens that allows green light to pass through it but absorbs red light, is a "selective absorber". Like the other greenhouse gasses, water vapor is transparent to most solar energy. However, it absorbs the infrared energy emitted (radiated) upward by the Earth's surface, which is the reason that humid areas experience very little nocturnal cooling but dry desert regions cool considerably at night. This selective absorption causes
3936-437: Is the ratio of how much water vapour is in the air to how much water vapour the air could potentially contain at a given temperature. It varies with the temperature of the air: colder air can contain less vapour, and water will tend to condense out of the air more at lower temperatures. So changing the temperature of air can change the relative humidity, even when the absolute humidity remains constant. Chilling air increases
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4032-473: The Odyssey , Epicharmus wrote a comedy titled The Sausage , and Aristophanes ' play The Knights is about a sausage vendor who is elected leader. Evidence suggests that sausages were already popular both among the ancient Greeks and Romans and most likely with the various tribes occupying the larger part of Europe. The most famous sausage in ancient Italy was from Lucania (modern Basilicata ) and
4128-629: The Magnus–Tetens approximation , are more complicated but yield better accuracy. The Arden Buck equation is commonly encountered in the literature regarding this topic: e w ∗ = ( 1.0007 + 3.46 × 10 − 6 P ) × 6.1121 e 17.502 T / ( 240.97 + T ) , {\displaystyle e_{w}^{*}=\left(1.0007+3.46\times 10^{-6}P\right)\times 6.1121\,e^{17.502T/(240.97+T)},} where T {\displaystyle T}
4224-467: The Northern and Southern dynasties ( 420 – 589 ), made from goat and lamb meat with salt, and flavoured with green onion, bean sauce , ginger, and pepper. The modern type of lap cheong has a comparatively long shelf life , mainly because of a high content of lactobacilli —so high that it is considered sour by many. Traditionally, sausage casings were made of the cleaned intestines, or stomachs in
4320-425: The energy budget and thereby influences temperatures in two major ways. First, water vapor in the atmosphere contains "latent" energy. During transpiration or evaporation, this latent heat is removed from surface liquid, cooling the Earth's surface. This is the biggest non-radiative cooling effect at the surface. It compensates for roughly 70% of the average net radiative warming at the surface. Second, water vapor
4416-526: The monsoon season. High temperatures combine with the high dew point to create heat index in excess of 65 °C (149 °F). Darwin experiences an extremely humid wet season from December to April. Houston, Miami, San Diego, Osaka, Shanghai, Shenzhen and Tokyo also have an extreme humid period in their summer months. During the South-west and North-east Monsoon seasons (respectively, late May to September and November to March), expect heavy rains and
4512-420: The 14th century, Poland excelled in the production of sausages, thanks in part to the royal hunting excursions across virgin forests with game delivered as gifts to friendly noble families and religious hierarchy across the country. The extended list of beneficiaries of such diplomatic generosity included city magistrates, academy professors, voivodes , szlachta . Usually the raw meat was delivered in winter and
4608-554: The British Black , White and Red puddings . Specific kinds of French sausage include: Other French sausages include the diot . There is an enormous variety of German sausages. Some examples of German sausages include Frankfurters/Wieners , Bratwürste , Rindswürste, Knackwürste , and Bockwürste . Currywurst , a dish of sausages with curry sauce, is a popular fast food in Germany. Loukániko ( Greek : λουκάνικο)
4704-490: The Philippines, sausages are generally called longaniza ( Filipino : longganisa ) in the northern regions and chorizo ( Visayan : choriso , tsoriso or soriso ) in the southern regions. They are usually fresh or smoked sausages, distinguished primarily by either being sweet ( jamonado or hamonado ) or garlicky ( de recado or derecado ). There are numerous kinds of sausages in the Philippines, usually unique to
4800-494: The United Kingdom and other countries with English cuisine traditions, many sausages contain a significant proportion of bread and starch-based fillers, which may comprise 30% of ingredients. The filler in many sausages helps them to keep their shape as they are cooked. As the meat contracts in the heat, the filler expands and absorbs moisture and fat from the meat. When the food processing industry produces sausages for
4896-466: The addition of crumbed, dried fennel seeds to the other spices used. Salsiccia fresca ('fresh sausage') is a type of sausage that is usually made somewhat spicy. It is made from fresh meat (often pork) and fat, and is flavoured with spices, salt, and pepper, and traditionally stuffed into natural gut casings . Salsiccia fresca al peperoncino ('fresh chilli sausage') is a spicy sausage flavoured with chopped garlic, salt, and chilli pepper (which gives
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#17328017266384992-424: The amount of water vapor needed to reach saturation also decreases. As the temperature of a parcel of air becomes lower it will eventually reach the point of saturation without adding or losing water mass. The term relative humidity is reserved for systems of water vapor in air. The term relative saturation is used to describe the analogous property for systems consisting of a condensable phase other than water in
5088-663: The atmosphere is as warm or warmer than the skin during times of high humidity, blood brought to the body surface cannot dissipate heat by conduction to the air. With so much blood going to the external surface of the body, less goes to the active muscles, the brain, and other internal organs. Physical strength declines, and fatigue occurs sooner than it would otherwise. Alertness and mental capacity also may be affected, resulting in heat stroke or hyperthermia . Domesticated plants and animals (e.g. lizards) require regular upkeep of humidity percent when grown in-home and container conditions, for optimal thriving environment. Although humidity
5184-512: The case of haggis and other traditional puddings. Today, natural casings are often replaced by collagen , cellulose , or even plastic casings, especially in the case of industrially manufactured sausages. However, in some parts of the southern United States , companies like Snowden's, Monroe Sausage , Conecuh Sausage, and Kelly Foods still use natural casings, primarily from hog or sheep intestines. A sausage consists of meat cut into pieces or ground, mixed with other ingredients, and filled into
5280-448: The chilled mirror method is effective. For process on-line measurements, the most commonly used sensors nowadays are based on capacitance measurements to measure relative humidity, frequently with internal conversions to display absolute humidity as well. These are cheap, simple, generally accurate and relatively robust. All humidity sensors face problems in measuring dust-laden gas, such as exhaust streams from clothes dryers. Humidity
5376-408: The cleaned intestines of the animal, producing the characteristic cylindrical shape. Hence, sausages, puddings , and salami are among the oldest of prepared foods, whether cooked and eaten immediately or dried to varying degrees. An Akkadian cuneiform tablet records a dish of intestine casings filled with some sort of forcemeat . The Greek poet Homer mentioned a kind of blood sausage in
5472-415: The desert are a few examples), and is a determinant of which animals and plants can thrive in a given environment. The human body dissipates heat through perspiration and its evaporation. Heat convection , to the surrounding air, and thermal radiation are the primary modes of heat transport from the body. Under conditions of high humidity, the rate of evaporation of sweat from the skin decreases. Also, if
5568-628: The eastern Slavic bread, paska in Ukrainian baskets at Easter time and is blessed by the priest with holy water before being consumed. French distinguishes between saucisson (sec) , cured sausage eaten uncooked, and saucisse , fresh sausage that needs cooking. Saucisson is almost always made of pork cured with salt, spices, and occasionally wine or spirits, but it has many variants which may be based on other meats and include nuts, alcohol, and other ingredients. It also differentiates between saucisson and boudin ("pudding") which are similar to
5664-465: The enhancement factor is normally slightly greater than unity for real systems. The enhancement factor is commonly used to correct the equilibrium vapor pressure of water vapor when empirical relationships, such as those developed by Wexler, Goff, and Gratch, are used to estimate the properties of psychrometric systems. Buck has reported that, at sea level, the vapor pressure of water in saturated moist air amounts to an increase of approximately 0.5% over
5760-443: The equation above is also defined as volumetric humidity . Because of the potential confusion, British Standard BS 1339 suggests avoiding the term "absolute humidity". Units should always be carefully checked. Many humidity charts are given in g/kg or kg/kg, but any mass units may be used. The field concerned with the study of physical and thermodynamic properties of gas–vapor mixtures is named psychrometrics . Relative humidity
5856-590: The equator and often overcast weather. Some places experience extreme humidity during their rainy seasons combined with warmth giving the feel of a lukewarm sauna, such as Kolkata , Chennai and Kochi in India, and Lahore in Pakistan. Sukkur city located on the Indus River in Pakistan has some of the highest and most uncomfortable dew points in the country, frequently exceeding 30 °C (86 °F) in
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#17328017266385952-474: The equilibrium vapor pressure of pure water. Climate control refers to the control of temperature and relative humidity in buildings, vehicles and other enclosed spaces for the purpose of providing for human comfort, health and safety, and of meeting environmental requirements of machines, sensitive materials (for example, historic) and technical processes. While humidity itself is a climate variable, it also affects other climate variables. Environmental humidity
6048-410: The filling compressed by twisting the casing into concatenated "links" into the sausage skin, traditionally made from the prepared intestine of the slaughtered animal; most commonly a pig. Due to their habit of often exploding due to shrinkage of the tight skin during cooking, they are often referred to as bangers , particularly when served with the most common accompaniment of mashed potatoes to form
6144-418: The formation of thunderstorms) and in the development of weather forecasts . Humidity depends on water vaporization and condensation, which, in turn, mainly depends on temperature. Therefore, when applying more pressure to a gas saturated with water, all components will initially decrease in volume approximately according to the ideal gas law . However, some of the water will condense until returning to almost
6240-543: The former Lan Xang kingdom (1353–1707) located in Northern Laos. Sai ua moo (Lao sausage made with pork meat) was listed among a collection of hand-written recipes from Phia Sing (1898–1967), the king's personal chef and master of ceremonies. Both sai ua and sai gork are some of the most popular traditional Lao dishes enjoyed by Lao people not only in Laos but also in countries where Lao people have migrated to. In
6336-450: The fried ones) is that the casing often contains a traditional bright-red dye. They are also called wienerpølser and legend has it they originate from Vienna where it was once ordered that day-old sausages be dyed as a means of warning. The traditional Swedish falukorv is a sausage made of a grated mixture of pork and beef or veal with potato flour and mild spices, similarly red-dyed sausage, but about 5 cm thick, usually baked in
6432-409: The generalized formula is used to estimate the equilibrium vapor pressure of water. There are various devices used to measure and regulate humidity. Calibration standards for the most accurate measurement include the gravimetric hygrometer, chilled mirror hygrometer , and electrolytic hygrometer. The gravimetric method, while the most accurate, is very cumbersome. For fast and very accurate measurement
6528-450: The greenhouse effect. It raises the surface temperature substantially above its theoretical radiative equilibrium temperature with the sun, and water vapor is the cause of more of this warming than any other greenhouse gas. Unlike most other greenhouse gases, however, water is not merely below its boiling point in all regions of the Earth, but below its freezing point at many altitudes. As a condensible greenhouse gas, it precipitates , with
6624-440: The ideal gas law. On the contrary the saturated volume is the volume a gas mixture would have if humidity was added to it until saturation (or 100% relative humidity). Humid air is less dense than dry air because a molecule of water ( m ≈ 18 Da ) is less massive than either a molecule of nitrogen ( m ≈ 28 ) or a molecule of oxygen ( m ≈ 32 ). About 78% of the molecules in dry air are nitrogen (N 2 ). Another 21% of
6720-414: The measure of relative humidity of the air, although their presence is an indication that a body of air may be close to the dew point. Relative humidity is normally expressed as a percentage; a higher percentage means that the air–water mixture is more humid. At 100% relative humidity, the air is saturated and is at its dew point. In the absence of a foreign body on which droplets or crystals can nucleate ,
6816-550: The meat content of sausages in the UK. The minimum meat content to be labelled pork sausages is 42% (30% for other types of meat sausages), although to be classed as meat, the pork can contain 30% fat and 25% connective tissue. Often the cheapest supermarket pork sausages do not have the necessary meat content to be described as pork sausages and are simply labelled sausages ; with even less meat content they are described as bangers (an unregulated name). These typically contain MRM which
6912-456: The mixture are known. These quantities are readily estimated by using a sling psychrometer . There are several empirical formulas that can be used to estimate the equilibrium vapor pressure of water vapor as a function of temperature. The Antoine equation is among the least complex of these, having only three parameters ( A , B , and C ). Other formulas, such as the Goff–Gratch equation and
7008-444: The molecules in dry air are oxygen (O 2 ). The final 1% of dry air is a mixture of other gases. For any gas, at a given temperature and pressure, the number of molecules present in a particular volume is constant. Therefore, when some number N of water molecules (vapor) is introduced into a volume of dry air, the number of air molecules in that volume must decrease by the same number N for the pressure to remain constant without using
7104-642: The most popular hunting ground for the Polish royalty beginning in the 13th century. Sausages in Italian cuisine ( Italian : salsiccia , Italian: [salˈsittʃa] , pl. salsicce ) are often made of pure pork. Sometimes they may contain beef. Fennel seeds and chilli are generally used as the primary spices in the South of Italy, while in the center and North of the country black pepper and garlic are more often used. An early example of Italian sausage
7200-554: The national diet and popular culture. British sausages and Irish sausages are normally made from raw (i.e., uncooked, uncured, unsmoked) pork, beef, venison or other meats mixed with a variety of herbs and spices and cereals, many recipes of which are traditionally associated with particular regions (for example Cumberland sausages and Lincolnshire sausage ). They normally contain a certain amount of rusk or bread-rusk , and are traditionally cooked by frying, grilling or baking. They are most typically 10–15 cm (3.9–5.9 in) long,
7296-565: The oven coated in mustard or cut in slices and fried. The sausage got its name from Falun , the city from where it originates, after being introduced by German immigrants who came to work in the region's mines. Unlike most other ordinary sausages it is a typical home dish, not sold at hot dog stands. Other Swedish sausages include prinskorv , fläskkorv , köttkorv [ sv ] and isterband ; all of these, in addition to falukorv , are often accompanied by potato mash or rotmos (a root vegetable mash) rather than bread. Isterband
7392-515: The processed meat throughout the rest of the year. With regard to varieties, early Italian, French and German influences played a role. Meat commonly preserved in fat and by smoking was mentioned by historian Jan Długosz in his annals: Annales seu cronici incliti regni Poloniae The Annales covered events from 965 to 1480, with mention of the hunting castle in Niepołomice along with King Władysław sending game to Queen Zofia from Niepołomice Forest ,
7488-758: The product is usually cylindrical and encased in a skin. Typically, a sausage is formed in a casing traditionally made from intestine , but sometimes from synthetic materials. Sausages that are sold raw are cooked in many ways, including pan-frying, broiling and barbecuing. Some sausages are cooked during processing, and the casing may then be removed. Sausage making is a traditional food preservation technique. Sausages may be preserved by curing , drying (often in association with fermentation or culturing, which can contribute to preservation), smoking , or freezing. Some cured or smoked sausages can be stored without refrigeration. Most fresh sausages must be refrigerated or frozen until they are cooked. Sausages are made in
7584-417: The rate of moisture evaporation from skin surfaces. This effect can be calculated using a heat index table, or alternatively using a similar humidex . The notion of air "holding" water vapor or being "saturated" by it is often mentioned in connection with the concept of relative humidity. This, however, is misleading—the amount of water vapor that enters (or can enter) a given space at a given temperature
7680-473: The region and employed in traditional dishes. Belutak is the traditional Bruneian beef sausage. It is made with minced beef and tallow, marinated with garlic, salt, chillies and spices, and stuffed into cow's or buffalo's small intestines. It is then fermented through dehydration. Belutak is a common side dish alongside ambuyat . A European-style smoked savory hóng cháng ( simplified Chinese : 红肠 ; traditional Chinese : 紅腸 red sausage )
7776-491: The relative humidity can exceed 100%, in which case the air is said to be supersaturated . Introduction of some particles or a surface to a body of air above 100% relative humidity will allow condensation or ice to form on those nuclei, thereby removing some of the vapour and lowering the humidity. In a scientific notion, the relative humidity ( R H {\displaystyle RH} or φ {\displaystyle \varphi } ) of an air-water mixture
7872-440: The relative humidity, and can cause the water vapour to condense (if the relative humidity rises over 100%, the dew point ). Likewise, warming air decreases the relative humidity. Warming some air containing a fog may cause that fog to evaporate, as the droplets are prone to total evaporation due to the heat. Relative humidity only considers the invisible water vapour. Mists, clouds, fogs and aerosols of water do not count towards
7968-403: The same humidity as before, giving the resulting total volume deviating from what the ideal gas law predicted. Conversely, decreasing temperature would also make some water condense, again making the final volume deviate from predicted by the ideal gas law. Therefore, gas volume may alternatively be expressed as the dry volume, excluding the humidity content. This fraction more accurately follows
8064-502: The saturated vapor pressure of pure water: f W = e w ′ e w ∗ . {\displaystyle f_{W}={\frac {e'_{w}}{e_{w}^{*}}}.} The enhancement factor is equal to unity for ideal gas systems. However, in real systems the interaction effects between gas molecules result in a small increase of the equilibrium vapor pressure of water in air relative to equilibrium vapor pressure of pure water vapor. Therefore,
8160-438: The sausage a redder colour). Salsiccia secca ('dried sausage') is an air dried sausages typically made from either the meat of domestic pigs or from the meat from wild boars. Salsiccia toscana (' Tuscan sausage'), also known as sarciccia , is made from various cuts of pork, including the shoulder and ham, which is chopped and mixed with herbs such as sage and rosemary . Maltese sausage ( Maltese : Zalzett tal-Malti )
8256-495: The sausage is under 40%. It was reported that sucuk from Turkey on average contained 24.5% protein, 31.5% fat, 35.65% moisture and 3.80% salt. Fat content of sucuk is highly variable; some sucuk brands tested contained only 23% fat, meanwhile others exceeded 42%. While sujuk can be eaten raw, it is typically cooked before consumption. Thin slices of sujuk can be pan-fried in a bit of butter, while larger pieces may be grilled. Sucuklu yumurta , which literally means "eggs with sujuk",
8352-463: The temperature but also on the absolute pressure of the system of interest. This dependence is demonstrated by considering the air–water system shown below. The system is closed (i.e., no matter enters or leaves the system). If the system at State A is isobarically heated (heating with no change in system pressure), then the relative humidity of the system decreases because the equilibrium vapor pressure of water increases with increasing temperature. This
8448-523: The temperature of a parcel of air decreases it will eventually reach the saturation point without adding or losing water mass. The amount of water vapor contained within a parcel of air can vary significantly. For example, a parcel of air near saturation may contain 8 g of water per cubic metre of air at 8 °C (46 °F), and 28 g of water per cubic metre of air at 30 °C (86 °F) Three primary measurements of humidity are widely employed: absolute, relative, and specific. Absolute humidity
8544-724: The total weight of the sausage after it has been made, sometimes including a drying process which reduces water content. In some jurisdictions foods described as sausages must meet regulations governing their content. For example, in the United States, the Department of Agriculture specifies that the fat content of different defined types of sausage may not exceed 30%, 35% or 50% by weight; some sausages may contain binders or extenders. Many traditional styles of sausage from Asia and mainland Europe use no bread-based filler and include only meat (lean meat and fat) and flavorings. In
8640-416: The volume increases, and the dry air molecules that were displaced will initially move out into the additional volume, after which the mixture will eventually become uniform through diffusion. Hence the mass per unit volume of the gas—its density—decreases. Isaac Newton discovered this phenomenon and wrote about it in his book Opticks . The relative humidity of an air–water system is dependent not only on
8736-468: The volume of the air and water vapor mixture ( V net ) {\displaystyle (V_{\text{net}})} , which can be expressed as: A H = m H 2 O V net . {\displaystyle AH={\frac {m_{{\text{H}}_{2}{\text{O}}}}{V_{\text{net}}}}.} If the volume is not set, the absolute humidity varies with changes in air temperature or pressure. Because of this, it
8832-499: The volume, the relative humidity would not change. Therefore, a change in relative humidity can be explained by a change in system temperature, a change in the volume of the system, or change in both of these system properties. The enhancement factor ( f w ) {\displaystyle (f_{w})} is defined as the ratio of the saturated vapor pressure of water in moist air ( e w ′ ) {\displaystyle (e'_{w})} to
8928-750: Was called lucanica , a name which lives on in a variety of modern sausages in the Mediterranean. During the reign of the Roman emperor Nero , sausages were associated with the Lupercalia festival. Early in the 10th century during the Byzantine Empire , Leo VI the Wise outlawed the production of blood sausages following cases of food poisoning . A Chinese type of sausage has been described, lap cheong ( simplified Chinese : 腊肠 ; traditional Chinese : 臘腸 ; pinyin : làcháng ) from
9024-416: Was first mentioned in the 11th century by Mahmud al-Kashgari in his Dīwān Lughāt al-Turk as suɣut . Another mention was made by Abu Hayyan al-Gharnati in his early 14th century work titled Kitab al-'idrak li-lisan al-'atrak ( كتاب الإدراك للسان الأتراك ). The word "suɣut" itself means "sujuk, or dried thing" and derived from Turkic root -suɣur meaning to dry or to drain off and the suffix "-çïk/-çuk"
9120-577: Was first used in English in the mid-15th century, spelled sawsyge . This word came from Old North French saussiche (Modern French saucisse ). The French word came from Vulgar Latin salsica ("sausage"), from salsicus ("seasoned with salt"). Sausage making is a natural outcome of efficient butchery. Traditionally, sausage makers salted various tissues and organs such as scraps, organ meats , blood, and fat to help preserve them. They then stuffed them into tubular casings made from
9216-463: Was previously included in meat content, but under later EU law cannot be so described. A popular breakfast food is the square sausage , also known as a Lorne sausage. This is normally eaten as part of a full Scottish breakfast or on a Scottish morning roll. The sausage is produced in a rectangular block and individual portions are sliced off. It is seasoned mainly with pepper. It is rarely seen outside Scotland. Polish sausages, kiełbasa , come in
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