查询词典 hydrogen

Hydrogen induced cracking problem of pipelines exists extensively in natural gas transportation engineering, especially for the natural gas with high concentration of hydrogen sulphide .

在天然气输送管道中，广泛存在着氢致开裂问题，尤其是输送硫化氢含量较高的天然气，管道的氢致开裂问题更为突出。

Hydrogen is the word coming from 2 Greek words: hydros and genes. Because hydrogen burns in air or oxygen to form water.

氢的解释是制造水，这是由就当氢在空气或与氧燃烧时会产生水之故。

Hydrogen recombiners and igniters are two promising hydrogen mitigation systems for use during severe accidents in nuclear power plants.

氢气点火器与氢气复合器是两种消除严重事故安全壳内氢气的设备。

The possibility of dyeing with Indigo so readily and easily is due to the fact that Indigo Blue absorbs hydrogen from bodies that will yield it, and becomes, as we say, reduced to a body without colour, called Indigo White, a body richer in hydrogen than Indigo Blue, and a body that is soluble.

随即可用作靛蓝染料的可能性的事实，是由于靛蓝从本体吸收氢，使自身成分还原成无色，称为靛白，是一种可溶性、含氢量比靛蓝更丰富的物质。

The effects of hydrogen pressure and temperature on hydrogen absorption of NdFeB ingots and casting strips were studied.

研究了H2压力、温度对NdFeB铸块和铸片吸氢的影响。

Based on the variation of δ13C as well as other geochemical proxies such as total organic carbon, hydrogen index, and carbon hydrogen ratio, the cold/warm fluctuation of the past ca. 1400 years in the study area was discussed, four warm periods and four cold periods as well as some interims between them were distinguished.

以δ13C的变化为基础并结合其他地球化学指标包括总有机碳、氢指数、碳氮比等，讨论了研究区近1400a来的冷暖变化，进一步划分出了4个暖期和4个冷期以及若干冷暖过渡期。

In classicaIn classical hydrogen atom model an electron is circling around the nucleus like Earth revolving around the sun, except that the force between the l hydrogen atom model an electron is circling around the nucleus like Earth revolving around the sun, except that the force between the two electron

在经典的氢原子模型里，电子绕着原子核作圆周运动，在经典的氢原子模型里，电子绕著原子核作圆周运动，就象地球绕太阳运动一样就就像像地球绕太阳运动一样地球绕太阳运动一样，，只只是前者的是前者的而其引力来自电场。

It is noteworthy that there are a lot of hydrogen bond interactions between carboxy groups and water molecules and weak C-H…S hydrogen bonds between the 1,3-dithiocyclohexyls of two adjacent DYM ligans.

另外，在此配位聚合物中，羧基氧、配位水分子氧和晶格水分子氧之间存在大量氢键相互作用，而且，相邻 DYM 配体的 1，3-二硫环已基之间存在弱的 C-H…S 氢键相互作用。

Of all the hydrogen storage alloys studied previously, AB~5-type mischmetal- based hydrogen storage alloy is used most widely.

在多种贮氢合金中，AB~5型稀土系贮氢合金的应用最为广泛。

In order to find screening rules suitable for lead compounds of pesticide,five descriptors:logarithm of partition coefficient of octanol/water,relative molar weight,number of hydrogen-bond donors,number of hydrogen-bond acceptors,polar surface areaand carcinogenic and mutagenic toxicities of 242 fungicides,512 herbicides and 399 insecticides were calculated and analyzed.

为了寻找适合于农药的先导筛选规则，对242个杀菌剂、512个除草剂和399个杀虫剂的5个描述符：疏水常数、相对分子质量、氢键给体数、氢键受体数、分子极性表面积和毒性进行了计算和分析，提出了杀菌剂、除草剂和杀虫剂先导化合物的筛选规则。

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。