辐射

Such so-called Dyson spheres would, if they exist, reradiate captured energy (after some of it had been put to good use) as heat—infra-red radiation.

这样的中空球结构称为&Dyson球&。如果这样的外星生物存在，他们捕捉的能量在利用之后可能有再辐射，即热红外辐射。

Such so-called Dyson spheres would, if they exist, reradiate captured energy (after some of it had been put to good use) as heat—infra-red radiation.

这种别称作戴森球壳的东东，如果它们存在，它将再辐射俘获的能量（在一些能量被充分利用之后）就像热量，例如红外辐射。

The action of radiation on materials is termed radiolysis.

辐射对材料的作用称作辐射分解。

In order to provide a theoretical and practical basis for application of radiation technology in controlling pesticide in food, the irradiation degradation effect and radiolysis products toxicity of chlorpyrifos and cypermethrin were studied.

探讨Y射线辐射对毒死蜱和氯氰菊酯的辐解效果及产物毒性，为辐射技术用于控制食品中的农药残留提供理论及实践依据。

Four main radiolysis products of chlorpyrifos and two main radiolysis products of cypermethrin were determined by using gas chromatography tandem mass spectrometry analysis method.

4 kGy剂量辐射，毒死蜱的降解率在98%；12 kGy剂量辐射，氯氰菊酯的降解率在84%；通过GC/Ms分析得出4种毒死蜱主要辐解产物和2种氯氰菊酯主要辐解产物。

Initially, one specimen is tested at an irradiance of 25kW/m in the presence of a pilot flame and one specimen is tested at an irradiance of 25kW/m in the absence of a pilot flame to determine the mode which gives the quickest rate of smoke production.

首先，把一个样品用带有引燃火焰的25KW/m 的辐射进行测试，另外再用不带引燃火焰的25KW/m 的辐射进行测试，并用此来确定最快产生烟的一种方法。

In this work, the failure problem analysis was carried out based on self developed carbon fiber and carbon composite heating elements, with the purpose of process optimization, the twisting and winding equipment for ply yarn carbon fiber heat ...

本文首先进行了碳素电热元件的失效问题分析，以优化工艺为目的研制了碳素纤维电热体股线的捻制缠绕设备和碳素复合材料电热体的高温定型装备，在制备出高质量碳素电热元件的基础上测试其相关的电热性能并进行机理分析，之后系统研究碳素纤维及其复合材料电热体热辐射性能的变化规律，最后从工程应用出发，进行碳素复合材料电热元件辐射热流密度分布的数值模拟。

Normally, it is impossible to distinguish Cherenkov radiation generated by positrons from that created by electrons.

一般来说，由电子引发的切伦科夫辐射和由正电子引发的切伦科夫辐射是不可能区分开的。

The process of radiative heat transfer in a three dimension rectangular furnace is simulated using discrete ordinates method.

本文首先对辐射传递方程的坐标进行离散，最后对三维矩形炉膛内辐射传递过程进行数值模拟，并与区域法进行比较，从而验证了离散坐标法的求解精度。

In calculation, it was assumed that nozzle flow was frozen, and convective and radiative heat transfer from gas to nozzle wall was considered. Governing equations were discretized with second order upstream scheme and radiative heat transfer equation was solved with Discrete Ordinates method.

在计算中，假定喷管流动为冻结流动，考虑燃气向壁面的对流换热和辐射换热；采用二阶迎风格式离散控制方程，采用DO模型离散求解辐射换热方程，水蒸气的吸收系数根据Leckner公式计算。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。