查询词典 hydrogen

At visible wavelengths, the strongest emission line in this pattern is in the red part of the spectrum and is known as "Hydrogen-alpha" or just H-alpha.

在可见光波段，特征谱线中最强的发射线是光谱中红端的部分，就是人们熟知的"氢—α"或"H—α"。

It is the natural frequency of emission of the hydrogen atoms in space.

这是空间氢原子"释放"的自然频率。

The calculated results show that the most stable structures of C 5H 10NH(NH 3) n are one linear hydrogen-bonding, three-cyclic and four-cyclic structures for n=1, 2, 3, respectively. At MP2/6-31G//B3LYP/6-31G level, the MO population analysis of the most stable configurations C 5H 10NH(NH 3) n(n=1—3) has been employe...

在 MP2 /6 - 31G //B3LYP/6 - 31G水平下，对最稳定构型 C5 H10 NH( NH3) n ( n=1～ 3)的分子轨道进行布居分析，并且对相应的占据轨道进行指认。C5 H10 NH( NH3) n( n=1～ 3)垂直电离势的计算结果表明，形成氢键团簇后，分子的垂直电离势降低。

But, because scramjet use the endothermal carbon hydrogen fuel as the refrigerant, when the temperature becomes high ,the fuel will be at the two phase flow state, and this result in more difficulty to the design of the fuel control system.

而由于采用吸热型碳氢燃料作为冷却剂，高温时燃油会出现两相流状态，这对燃油供给系统设计带来了很大的压力。

In this range, the thermograph of nylon-6 18 presents a broad endothermal peak. From the FTIR spectra, it can be found that, during the transition process of nylon\|6 18, the intensity of the intrasheet hydrogen bonds becomes weak.

红外光谱结果表明，在其晶型转变过程中，晶体内氢键强度逐渐减弱，与酰胺键相连的C-C和C-N键发生扭曲。

Hydrogen is an ideal energy due to its high conversion efficiency, recyclability and nonpolluting nature.

氢气是一种理想的能源，具有转化率高、可再生和无污染等优点。

Generally, the energy conversion efficiency of hydrogen from coal process is lower than 60%.

典型的煤制氢过程的能量转换效率小于60%，这与实现氢能大规模推广利用所要求的煤制氢效率还有较大差距。

When input to generate electricity in fuel cells, it provides an unprecedented efficiency - hydrogen energy conversion efficiency than twice as high oil.

当被输入到产生电力的燃料电池中时，它提供空前的效率--氢气的能源转换效率要比石油高一倍。

The result suggested that maximum of alfalfa in goat's diet be 50~60 percent; corn ensilage or straw account for 20~30 percent; energy feeds, such as corn and bran 18~20 percent, calcium hydrogen phosphate 1.5%; and trace element such as Cu, Zn, Se, I should be supplemented.

建议山羊日粮中苜蓿占50%~60%，玉米青贮或玉米秸秆20%~30%，玉米、麸皮等能量饲料18%~20%，CaHPO41.5%，并适量补充Cu、Zn、Se、I微量元素。

The air upflow is past the area of the coolant lines and is effective to entrain hydrogen from the break, and the air downflow path is in the area adjacent the containment wall.

上行气流经过冷却剂管线区并有效地带走来自破损处的氢，而下气流通路位于外壳壁附近区域。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。