查询词典 spontaneous emission

In 1883 Edison had discovered the thermionic emission phenomenon, alsois called "the Edison effect", namely nearby the metal surface partialelectrons or the ion enable its non- regular movement because of thehigh temperature to obtain the enough kinetic energy, overcomessuperficial the fetter, is leisurely outside the metal.

1883年爱迪生发现了热电子发射现象，也叫&爱迪生效应&，即金属表面附近的部分电子或离子因高温而使其无规则运动得到足够的动能，克服表面的束缚，逸出金属之外。

The revised version of the standard Range Hood in Range Hood the first time on the domestic emission restrictions, thereby guiding Range Hood to the health industry, environmental protection direction.

该标准修订版吸油烟机吸油烟机在国内的第一次发射的限制，从而引导吸油烟机行业的健康，环保的方向。

If your primary concern is to curb emission s, you shouldn't be eating beef, says Nathan Pelletier, an ecological economist at Dalhousie University in Halifax, N.S., noting that cows produce 13 to 30 lb.

哈利法克斯市，达尔蒙西大学的生态经济学家弥敦道佩尔提埃说，&如果你的初衷是减少温室气体排放，那你就不该再吃牛肉。&

Methods:Unconfident Pk deficiency subjects from associate hospitals of Kunming Medical College.PK activity,thermostability, PEP kinetics, ATP inhibition and optimum pH were measured by ICSH recommended methods to confirm deficient in PK.The contents of Na~,K~,Ca~(2+),Mg~(2+) in erythrocyte PK deficiency were quatitated by inductively coupled plasma atomic emission spectrometry.

以昆医附院提供的PK缺陷可疑患者为研究对象，按照国际血液学标准委员会推荐的方法，对PK缺陷一个家系进行活性测定、热稳定性测试、PEP亲和力试验、ATP抑制试验及最适pH值测定，应用电感耦合等离子体原子发射光谱法测定红细胞钠、钾、钙、镁离子浓度。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。