查询词典 helium

The experience showed that using this kind of refrigerators, the interval of refilling the cryostat with liquid helium and the interval of maintenances have been extended, the operating reliability i...

实践表明，应用这种制冷机，低温恒温器加注液氦的间隔期及维修期延长了，操作可靠性提高，使用成本降低了。

A synthetic element produced in trace quantities by helium isotope bombardment of curium.

一种合成元素，由氦同位素轰击锔可得到微量的这种元素。

It is the product of radioactive decay and is used in helium dating.

氦是由放射性衰变形成的，可用于氦年代测定法。

Alloy membrane is used to separating hydrogen isotope,but after operating tritium,decay product 3He resorts in alloy membrane,forms helium bubble s and affects the macroscopical properties of alloy membrane.

PdY8.5Ru0.19合金是用于氢同位素分离的膜材料，但涉氚操作后，衰变3He会滞留在合金膜中并形成氦泡，影响其宏观性能。

Through the analyses of condition, the geologic background and the hydrochemistry and the isotope of the carbon and helium of the typical hot springs in the southwest of China, the general rules of the CO2 degasification points in the southwest of china are explored and the CO2 degasification is calculated on the whole.According to the results of wa...

通过对中国西南地区典型温泉的地质背景、环境条件、水化学及碳、氮稳定同位素的分析，探讨了中国西南地区深大断裂出露温泉CO2释放的一般规律，并进行了初步的释放量计算。

It has a great deal of CO2 degasification points. The supply diversification of the hot springs to water on the Rehai geothermal area causes the major difference in water chemistry here. Some come from diagensis of magma and exogenous water. The isotope ratio of helium is high.

对于温泉水的补给来源：虽然西南地区各温泉水补给主要是大气降水，同时也不排除存在少量的岩浆岩、变质岩的成岩作用水，及火山岩冷却分异的同生作用水。

Deuterium containing helium absorption of unsaturated uranium deuteride with different composition at varied initial pressure is studied.

研究了不同含氦量的混合气体、吸氘初始压力以及不同组成的不饱和氘化铀对铀吸氘行为的影响。

Results show that deuterium absorption quantity and velocity decrease with helium content increase. Absorption velocity increases with initial pressure, and keeps constant at different initial composition of uranium deuteride.

结果表明，氦含量的增加会显著减少铀的吸氘量，降低铀的吸氘速率；增加混合气体的初始压力有利于铀吸氘速率的增加，氘化铀的初始氘量不影响铀的吸氘速率。

Results show that deuterium absorption quantity and velocity decrease with helium content increase.

研究了不同含氦量的混合气体、吸氘初始压力以及不同组成的不饱和氘化铀对铀吸氘行为的影响。

The deuteron can fuse with another proton to make a helium 3 nucleus .

氘核可以和另一个质子聚合以生成一个氦3核。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。