nucleation of freezing

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• Freezing — For freezing as a method of food preservation, see frozen food. For a TV series of the same name, see Freezing (TV series). For freezing in terms of computers, see hang (computing) In physics and chemistry, freezing is the process whereby a… …   Wikipedia

• Nucleation — Not to be confused with Microtubule nucleation . Nucleation is the extremely localized budding of a distinct thermodynamic phase. Some examples of phases that may form via nucleation in liquids are gaseous bubbles, crystals or glassy regions.… …   Wikipedia

• Flash freezing — refers to the application of supercooling in various kinds of industries whereby objects are quickly frozen by subjecting them to cryogenic temperatures.For example, flash freezing is used in the food industry to quickly freeze perishable food… …   Wikipedia

• artificial nucleation — noun : a process in which a cloud of liquid water droplets at below freezing temperature is converted to an ice crystal cloud by artificial means …   Useful english dictionary

• Insect winter ecology — entails the overwinter survival strategies of insects, which are in many respects more similar to those of plants than to many other animals, such as mammals and birds. This is because unlike those animals, which can generate their own heat… …   Wikipedia

• ice in lakes and rivers — Introduction       a sheet or stretch of ice forming on the surface of lakes and rivers when the temperature drops below freezing (0° C [32° F]). The nature of the ice formations may be as simple as a floating layer that gradually thickens, or it …   Universalium

• Casting (metalworking) — Casting iron in a sand mold In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which… …   Wikipedia

• Supercooling — is the process of chilling a liquid below its freezing point, without it becoming solid.A liquid below its freezing point will crystallize in the presence of a seed crystal or nucleus around which a crystal structure can form. However, lacking… …   Wikipedia

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

• Cryobiology — is the branch of biology that studies the effects of low temperatures on living things. The word cryobiology is derived from the Greek words cryo = cold, bios = life, and logos = science. In practice, cryobiology is the study of biological… …   Wikipedia

• Frost — is the solid deposition of water vapor from saturated air. It is formed when solid surfaces are cooled to below the dew point of the adjacent air. [cite web |url=http://www.weatherquestions.com/What causes frost.htm |title=What causes frost?… …   Wikipedia