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1)  Helium blanketing effect
氦屏蔽效应
2)  shielding effect
屏蔽效应
1.
Research of reducing the shielding effect caused by vehicles passing the Radioactivity Monitor System;
降低放射性物质监测系统中被检车辆屏蔽效应的方法研究
2.
The stress intensity factor of main crack, which is difficult to be calculated directly due to the shielding effect between cracks, can reflect the damage of components.
裂纹网中主裂纹的应力强度因子可反映构件的损伤程度,然而由于裂纹间的屏蔽效应,直接计算裂纹网中主裂纹的应力强度因子是困难的。
3.
Starting from the four concepts of orbit energy, energy class,shielding effect and infixing effect, the author uses the two commonly applied methods of caculation orbit energy to analyse and compare 4s orbit energy and 3d orbit energy.
本文从轨道能、能级、屏蔽效应和钻穿效应这四个概念入手 ,运用计算轨道常见能量的两种方法进行分析和比较轨道能与 3d轨道
3)  Screening effect
屏蔽效应
1.
Canopy characters impacts on screening effect to UVB of urban artificial communities in Shanghai;
上海人工绿地群落UVB屏蔽效应与冠层特征的关系
2.
The results show that reducing earth resistance is mainly through reducing the contact resistance of earthing electrodes and dispersed resistances;increasing the encircled area of a earthing electrode is advantageous to the reduction of earthing resistance;the shapes of compound earthing electrodes and the influence of screening effect in th.
结果表明:降低接地电阻,主要是通过降低接地体的接触电阻和散流电阻;增加接地体所围面积对接地电阻的减少有利;应充分考虑复合接地体形状和接地网内屏蔽效应对接地电阻的影响;接地体周围的土质、埋设深度和季节变化都影响土壤电阻率。
4)  shielding effectiveness
屏蔽效应
1.
Based on the shielding effectiveness of Faraday cage,the test set-up for ESD circuit waveform composed of ESD simulato.
为了消除静电放电时产生的辐射场对静电放电抑制器测试结果的影响,基于法拉第笼的屏蔽效应、依据国际电工委员会IEC61000-4-2标准和国军标GJB911-1990,利用静电放电模拟器和静电放电电流波形测试装置等设备,测试了某型号聚合物静电放电抑制器的抑制特性。
2.
Aiming at the magnetic field shielding effectiveness in magnetic fuze application, the spheroidal shell is brought forward to act as the fuze body approximate model.
针对磁引信在应用中遇到的壳体屏蔽问题 ,提出将引信体近似为回转椭球壳体模型 ,从理论上详细地分析了椭球壳体在均匀磁场中的屏蔽效应 ,给出了相应的屏蔽系数公式 ;并通过试验验证了理论分析的正确性 。
5)  screen effect
屏蔽效应
6)  shielded effect
屏蔽效应
1.
This paper,by using the method of generalized function,discusses the shielded effect of a type of signals in generalized Fourier transform,proves the integral property of frequency signals and also provides the calculation formula and applications of the same.
利用广义函数方法,探讨了一类信号在广义Fourier变换下的屏蔽效应,证明了频率信号的积分特性,并给出了计算公式和应用。
2.
This paper,by using the method of generalized function,discusses the shielded effect on a type of functions in generalized Fourier transform,proves the integral property of the image function in generalized Fourier transform and also provides the calculation formula and applications of the same.
利用广义函数方法,探讨了一类函数在广义Fourier变换下的屏蔽效应,证明了广义Fourier变换的象函数的积分性质,并给出了计算公式和应用示例。
补充资料:氦3-氦4稀释制冷
分子式:
CAS号:

性质:3He-4He混合液在0.867K时出现界限分明的上下两相,上相3He含量高称浓相,下相4He含量高称稀相。稀相中4He的熵比3He的熵小得多,浓相中4He的熵又比稀相中3He的熵小得多。3He从浓相进入稀相或从稀相中抽走都会发生降温。用泵把3He-4He混合室与一个蒸发器和一个冷凝器连接起来就组成稀释制冷器。用抽气泵不断地把蒸发器中的3He抽走,蒸发过程中3He带走大量热量。从蒸发器中抽走的3He经冷凝器液化后再回到混合室。用此法可获得0.0035~0.0055K的超低温。

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