nitrogen preservation

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• Preservation (library and archival science) — Preservation is a branch of library and information science concerned with maintaining or restoring access to artifacts, documents and records through the study, diagnosis, treatment and prevention of decay and damage. [cite web… …   Wikipedia

• food preservation — Any method by which food is protected against spoilage by oxidation, bacteria, molds, and microorganisms. Traditional methods include dehydration, smoking, salting, controlled fermentation (including pickling), and candying; certain spices have… …   Universalium

• Liquid nitrogen — (liquid density at the triple point is 0.707 g/mL) is the liquid produced industrially in large quantities by fractional distillation of liquid air and is often referred to by the abbreviation, LN2. It is pure nitrogen, in a liquid state. Liquid… …   Wikipedia

• Food preservation — Canadian World War I poster encouraging people to preserve food for the winter …   Wikipedia

• Wood preservation — All measures that are taken to ensure a long life of wood fall under the definition wood preservation (timber treatment). Apart from structural wood preservation measures, there are a number of different (chemical) preservatives and processes… …   Wikipedia

• Chemical brain preservation — is the process of preparing the brain, or entire central nervous system for long term, high quality storage. Unlike cryopreservation, chemical techniques do not require freezing and storage at extremely low temperatures. There is currently… …   Wikipedia

• cryobiological preservation — The preservation of germplasm resources in a dormant state by storage at ultra low temperatures, often in liquid nitrogen. Currently applied to storage of plant seeds and pollen, micro organisms, animal sperm, and tissue culture cell lines.… …   Glossary of Biotechnology

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   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

• Cryopreservation — of plant shoots. Open tank of liquid nitrogen behind …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium