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Cryogenics - Wikipedia
In physics, cryogenics is the production and behaviour of materials at very low temperatures. The 13th IIR International Congress of Refrigeration (held in Washington DC in 1971) endorsed a universal definition of “cryogenics” and “cryogenic” by accepting a threshold of 120 K (or
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Xem thêmCryogenics The branches of engineering that involve the study of very low temperatures, how to produce them, and how materials behave at those temperatures.
Cryobiology The branch of...
Xem thêmThe word cryogenics stems from Greek κρύος (cryos) – "cold" + γενής (genis) – "generating".
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Xem thêmLiquefied gases, such as liquid nitrogen and liquid helium, are used in many cryogenic applications. Liquid nitrogen is the most commonly used
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Xem thêmSome applications of cryogenics:
• Nuclear magnetic resonance(NMR) is one of the most common methods to determine the physical and chemical properties of atoms by...
Xem thêmThere are various cryogenic detectors which are used to detect particles.
For cryogenic temperature measurement down to 30 K, Pt100 sensors, a resistance temperature detector (RTD), are used. For temperatures lower than 30 K, it is necessary to use a...
Xem thêmCryogenic cooling of devices and material is usually achieved via the use of liquid nitrogen, liquid helium, or a mechanical cryocooler (which uses high-pressure helium lines). Gifford-McMahon cryocoolers, pulse tube cryocoolers and Stirling cryocoolersare
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Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồi Cryonics - Wikipedia
Cryonics (from Greek: κρύος kryos meaning 'cold') is the low-temperature freezing (usually at −196 °C or −320.8 °F or 77.1 K) and storage of human remains, with the speculative hope that resurrection may be possible in the future. Cryonics is regarded with skepticism within the mainstream scientific community. It is generally viewed as a pseudoscience, and its practice has be…
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