低于1K的温度叫做超低温。获得这样低的温度,除人们所熟知的,通过对4He液浴减压可达最低温度约0.5K外,还有下列方法:利用3He液浴减压最低温度可达到 0.3K;利用硝酸铈镁(CMN)等顺磁盐进行绝热去磁,可达到几毫开温区;利用3He-4He稀释致冷机可达1.5mK,利用坡密朗丘克冷却和绝热核去磁可达到更低的温度。
... vertical boiler 竖式锅炉 very low temperature 超低温 vesicant agent 糜烂性毒气 ...
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相 反,超低温(Ultra-low temperature)急速冷冻的蔬菜就能依旧更多(More)的维生素,由于蔬菜采摘之 后即速冻,无论什么时候,做什么事情,要思考。
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... 常开式 Normally open type 超低温 阀门 Cryogenic valve 超高压阀门 Super high pressure valve ...
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超低温冰箱 Ultra-low Temperature Freezer ; ultra cold storage freezer ; ultra deep-freeze equipment ; Thermo Scientific Revco ULT
超低温阀门 Cryogenic valve ; Cryogenic ale
超低温保存 [农学] Cryopreservation ; cryogenic preservation cryopreservation ; Controlled Ultracold Freezer ; ultra-low temperature storage
超低温球阀 ultra-low temperature ball valve ; low temperature ball valve
超低温冷冻 cryotherapy ; deep-freezing
超低温电磁阀 ZCLD ; ZCDW
超低温闸阀 ultra-low temperature throttle valve
超低温泵 ultra-low temperature pump
超低温冷阱 Parylene ; cold trap
Establishment and cryopreservation of Cereal cell suspension cultures are basic work in modern plant biotechnology.
禾谷类作物胚性悬浮细胞系的建立及其超低温保存是现代植物生物技术中的基础工作。
参考来源 - 期刊学术社区In this paper,Cu-Zr-Cr alloy’s matrix tissue (α solid solution) forming twin structure,separating disperse intermetallics (Cu3Zr and Cr2Zr) and the process of matrix tissue being fine grained in cryogenic temperature field were researched.
研究超低温温度场中Cu Zr Cr合金基体组织(α固溶体)形成孪晶结构并析出弥散的Cu3Zr和Cr2Zr金属间化合物及基体组织微细化的过程。
参考来源 - 超低温温度场中Cu·2,447,543篇论文数据,部分数据来源于NoteExpress
热处理:真空,渗碳,渗氮,真空热处理,超低温处理等。
Hot treatment: vacuum, carburizing, nitriding, vacuum heat treatment and cryogenic treatment etc.
比如,液态纯氢必须保存在摄氏零下253度的超低温下。
For example, it must be kept very very cold at minus 253 degrees Celsius.
这种设备所基于的原理与激光探测器相同,但使用由超低温原子生成的波束而不是激光。
These operate using the same principle as laser-based detectors but use beams made of ultracold atoms rather than laser light.
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