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The output power could be adjusted with the change of control voltage, and the reflecting power could be gotten by measuring the output voltage of attenuator and detector. 4.The thrust measurement device was calibrated, and the accuracy was 2%FS. At the same time the signal of thrust measurement was input to the computer. E-type chromel-constantan thermocouple was used to measure the temperature of MPT, and the accuracy was 5%FS.The vacuum measurement was realized by using ZDF-5427M vacuometer, and the accuracy was 3%FS.

4对推力测量系统进行了标定并实现了计算机采集,推力测量系统最大相对误差为2%FS;温度测量目前还只限于对MPT谐振腔壁温的测量,使用E型镍铬—康铜热电偶即可较容易实现,其测量精度为5%FS;真空测量采用ZDF-5427M微机型复合真空计,其由热偶计和热阴极电离计复合而成,该真空计测量控制精度为3%FS。

We have measured the absolute thermopwer of China-made thermocouple materialswhich are used frequently at low temperatures. Results on Chromel, Au-Fe, copper andconstantan are presented over the rang from 4.2 to 273 K.

我们测量了国产常用低温热偶材料的绝对热电势率,给出了镍铬、金铁、铜和康铜从4.2到273 K的测量结果。

A muscle-equivalent phantom was used to instead of liver tissue in the experiment. The liver artery of human was simulated by a copper tube with Y bifurcation. Different water flow velocities were maintained in the tube, which are in the typical range of blood flow velocities in liver arteries of human. Copper-constantan thermocouples were used to measure the temperature near the arterial bifurcation.

实验采用一种等效微波体模来代替肝组织;采用Y型铜管代替人体肝动脉内的分叉大血管,并依据人体肝动脉的血流速度调节管内的水流速度;利用铜-康铜热电偶测量分叉血管周围的温度场。

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On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现,这并非是对多边主义投出的赞成票,而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点,这样我就可以打败他们了。

Methyl bromides, in C_(3v) symmetry, have been extensively studied at their first absorption A-band because the behavior of these molecules can be used as a prototype for depicting numerous types of photodissociations in a variety of polyatomic molecules.

例如,有很多研究报道了C_(3v)对称的溴甲烷等分子在第一吸收带的光解,这是因为其光解行为可以作为理解其它多原子分光解的原型。