查询词典 hydrogen

The results showed that hydrogen peroxide, silanols species and TiO〓 didn't have solvolysis activity of propylene oxide. While framework Al, coordinatively unsaturated Ti〓 ions as Lewis acid sites in the framework, Ti-OH and the five member ring active titanium species formed by TS-1, hydrogen peroxide and solvent can catalyze the solvolysis of propylene oxide.

研究结果表明：原料双氧水和TS-1沸石上的SiOH和TiO〓对环氧丙烷溶剂解反应无催化活性；而下列物种对环氧丙烷溶剂解反应具有催化活性：TS-1中的骨架铝，沸石骨架中配位不饱和的Ti〓形成的L酸中心，TS-1水解产生的钛羟基和由TS-1，双氧水和溶剂相互作用所生成的五元环中间活性钛物种。

High-purity strontium carbonate, six water strontium chloride, nitrate strontium, strontium hydroxide, acetic acid strontium, strontium fluoride, hydrogen phosphate strontium, strontium peroxide, high-purity barium carbonate, barium acetate, high-purity hydrogen and oxygen in water 8 Barium, industrial-grade eight water barium hydroxide, barium peroxide, four water chlorination products such as the annual output of manganese 8,000 tons.

高纯碳酸锶，六水氯化锶，硝酸锶，氢氧化锶，醋酸锶，氟化锶，磷酸氢锶，过氧化锶，高纯碳酸钡，醋酸钡，高纯八水氢氧化钡，工业级八水氢氧化钡，过氧化钡，四水氯化锰等产品年产量8000吨。

It could be composed of 50 to 75 percent methane, 20 to 50 percent Carbon dioxide, around 10 percent Nitrogen, and less than 3 percent Hydrogen, Oxygen and Hydrogen sulphide.

它于50至75 ％的甲烷， 20至50％的二氧化碳，约有10 ％的氮，不到3 ％的氢，氧和氢硫化物等组成。

Through analyzing the environmental parameter in the fermented course of beer,improving final getting rate of the result,and guaranteeing that there is a suitable growth supersession environment in the whole process of operating,the chain system control method is proposed.The fermented temperature and hydrogen ion index are found,the systematic model of chain related each other is set up that is made up of temperature and hydrogen ion index main cause and effect chain.

通过对啤酒发酵过程中环境参数的分析，为了提高最终产物的得率，保证在整个操作进程中有一个适宜的生长代谢环境为目标，引入链系统控制方法，找到影响发酵温度和PH值等主要因素，建立由温度和PH值两条主要因果链组成的互相关联的链系统模型。

In the research of advanced key techniques, the technique of nano-catalyst is developed and tested according to the requirement for the catalytic flame stablizer gas turbine and the related reaction model wil be fully construced. In the aspect of hydrogen shift and separation process, we are going to probe into various operating parameters for the water shift reaction and the membrane reactor alread constructed. Also, the high efficiency DPMS-based hydrogen shift and separation system that carry out both water gas shift and pressure swing absorption will be tested. The main task this year is to construct the proto-type clean hybrid power generation system.

前瞻关键技术研究方面，奈米触媒制备技术将依触媒驻焰气涡轮引擎之需求进行开发与测试，并建立相关反应模式；气化合成气转化与分离技术部分，将进行已建立水气转移反应与薄膜反应器之各项操作参数探讨，并进行以双孔径分子筛为担体，附加水气转移反应与变压吸附分离所建立之高效率分离富集H2方法之系统实测。

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。

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