查询词典 hydrogen fluoride

This paper first presents a review of the existing hydrogen delivery methods. Then a study is made of the delivery cost, energy consumption and the safety of hydrogen transportation by tube trailer, tank and pipe.

首先结合文献定性介绍了现有氢气运输方式，然后对氢气通过长管拖车、槽车及管道运输的运输成本、能源消耗及安全性进行深入研究。

Biomass, as the carrier of hydrogen, could be made use of for hydrogen rich gas production by thermochemistry conversion, which is a kind of advanced technology. With this method, sustainable utilization of biomass could be achieved, which is beneficial to the environmental protection.

而生物质又是氢的载体，利用生物质热转化技术制取富氢燃气是一种先进的生物质能转换方式，对于能源的可持续利用和环境保护具有重要意义。

Luminosity of the Sun , using its own gravity to put hydrogen Rafah , by the nuclear fusion of hydrogen into helium nuclear thermonuclear reaction enormous energy to the radiation from the surface of the internal transfer , launch into space .

太阳发光时，利用自身的重力把氢拉向中心，由氢核聚变成氦核的热核反应产生巨大的能量，以辐射的方式，由内部转移到表面，再发射到宇宙空间。

This specially designed detonate a nuclear device known as the hydrogen bomb in primary; produce thermonuclear reaction and the release of energy and neutron-induced nuclear fission reactions re-emit more energy in the main part of the hydrogen bomb, known as H-bomb secondary.

这种专门设计的起爆核装置称为氢弹初级；产生热核反应放出能量和中子并诱发重核裂变反应放出更多能量的氢弹主体部分，称为氢弹次级。

This is faced with three issues: first, the hydrogen source of the problem; Second, the hydrogen transport reserves; Third, the issue price.

这主要是面临着三个课题：第一，氢气的来源问题；第二，氢的储备运输问题；第三，价格问题。

To ensure the safe operation of hydrogen of hydrogen-cooled turbogenerator is an important safety management work of power plant.

保证氢冷机组氢气安全运行是电厂安全管理的一项重要工作。

This composite material could storage 2.35wt% hydrogen which was bigger than the undecorated Palladium hydrogen storage material 1.22wt% at room temperature and 7MPa.

同时，采用PCT储氢测试仪测得其在室温、7MPa下的储氢量为2.35wt％，大于未经钯修饰的坡缕石的储氢量(1.1wt％)。

A carbon-hydrogen bond is stable/unreactive because of the similar electronegativities of carbon and hydrogen.

P95 由于碳和氢的电负性相近，碳氢键十分稳定。

Influences of reaction temperature, hydrogen pressure, space velocity and hydrogen/oil ratio were investigated and optimum condition was obtained.

研究了加氢精制的工艺条件，考察了反应温度、氢压、体积空速和氢油比对聚α-烯烃合成基础油加氢效果的影响，确定了最佳的加氢精制工艺。

The factors A and the rate constants are given at temperature range of 200-1200 K.The results in-dicate that the loss of aβ-hydrogen from 2-hydroxyethyl radical to yield vinyl alcohol and that a 1,3-hydrogen shift to form ethoxy radical have close A factors and rate constants.

用量子化学结果和Eyring过渡态理论计算了200－1200K温度范围内，标题反应的A因子和速度常数，结果表明，2－羟乙基脱去β－H生成乙烯醇与其经［1，3］重排生成乙氧基有相近的A因子和速度常数，且常温下速度较慢，反应难以进行。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48