emission造句

• An example is the emission of light from matter .
  物质的发光即为一例。
• There was an audible emission of breath from the duke .
  这时听到公爵叹了一口气。
• Beta emission consists of electrons .
  射线由电子组成。
• The distinct processes are involved in x-ray emission .
  X射线的发射，包含不同的过程。
• A lumen is a measure of the rate of emission of light energy .
  流明是光能放射率的量度单位。
• The liberation of electrons from a hot wire is called thermionic emission .
  电子从热灯丝逸出，叫做热电子发射。
• All data are completely integrated for emission summary purposes .
  所有的数据被全部汇集以达到累积排放量的目的。
• The reason is a fundamental one associated with the mechanism of light emission .
  其基本原因涉及到光发射的机理。
• All data are completely integrated for emission summary purposes .
  所有的数据被全部汇集，以达到累积排放量的目的。
• This emission of heat is completely independent of temperature and pressure .
  这热的散发全然不受温度和压力的影响。
• We are able to measure the sun's particle emission and map its magnetic field .
  我们可以测量太阳的粒子辐射和描记它的磁场。
• J.r. frederick has carried on investigations in acoustic emission for several years .
  JR佛莱德里克从事声学研究已历多年。
• Spontaneous photons initiate stimulated emission and the chain reaction begins .
  自发发射的光子引起受激发射，开始了链式反应。
• A high beam energy is also used to stimulate x-ray emission of higher-energy peaks .
  高能量电子束也能用来激发高能量X射线峰的发射。
• Control of these emissions by adequate gascleaning processing is essential .
  采取有效的气体净化方法以控制这些放散物是十分重要的。
• It provided the motivation for controlling smoke and dust emission from industrial plant .
  这为控制工厂企业散发的烟尘起了促进作用。
• The hydrogen in the gauge is ionized by electron emission from a heated cathode .
  在离子计内的氢气是用一个加热阴极放射电子来电离的。
• As a result, particulate emissions from automotive diesel engine may be controlled also .
  结果对汽车柴油发动机排放的微粒污染物也要进行控制。
• Blackbody radiation always is the result of a succession of emission and absorption processes .
  黑体辐射总是一系列发射和吸收过程的综合结果。
• The acoustic emission also shows a decreasing rate, following the drop in stress-intensity factor .
  随着应力强度因子的下降，声发射也随着减少。