查询词典 hydrogen

It is revealed that natural diamonds may contain as much as 59 different trace elements. The concentration of each trace element is above 1 ppm(10〓). However, the major impurities are nitrogen, hydrogen, oxygen and boron. The study of the forms of hydrogen in diamonds not only enriched the contents of mantle mineralogy, material sciences and gemology, but also provided some important informations for dealing with some problems concerning the Earth's mantle and core.

中文题名金刚石中氢的赋存状态研究副题名外文题名 The existing states of hydrogen in diamonds 论文作者杨志军导师谢先德研究员彭明生教授学科专业矿物学、岩石学、矿床学研究领域\研究方向学位级别博士学位授予单位中国科学院广州地球化学研究所学位授予日期2002 论文页码总数10，113页关键词空隙氢晶格氢金刚石馆藏号BSLW /2003 /P57 /1 天然金刚石中的微量元素达59种之多，其含量都在10〓级规模以上，且最主要的杂质元素为氮、氢、氧和硼等。

One of the main reasons is the influence of hydrogen bonds, such as glycollic and benezene and alkanones, and benezene volatile rate is 2 times the ethanol, butanol alkanones than n-butyl acetate low and volatile rate is also low, from here discernthat chemonucleolysis dosage form hydrogen bonds to limit business card printing and membership card making ink ink film volatile plays an important role to play.

主要原因之一是氢键的影响，如乙醇和苯的沸点接近，而苯的挥发速率为乙醇的2 倍，丁醇的沸点比醋酸正丁酯低，而挥发速率也低，从这里看出氢键对限制溶解剂型制卡和会员卡制作油墨的墨膜挥发起着重要的作用。

High percentages of ammonia or hydrogen sulfide are oxidized on the first half of the column. The oxidation of high amounts of hydrogen sulfide would involve some environmental stress on nitrifying bacterial growth and activity.2002 Elsevier Science Ltd. All rights reserved.

高百分比的氨或硫化氢在第有个柱的一半上被氧化，大量的硫化氢的氧化作用会使硝化细菌的繁殖和活性更加适应环境的压力。

Metal complex aluminum hydrides are considered as one of the most promising hydrogen storage materials due to their large hydrogen content.

金属络合铝氢化物由于其较高的含氢量被认为是最有前景的贮氢材料之一。

Hydrogen gas is passed over the hydrogen electrode.

氢气是通过对氢电极。

The hydrogen electrode has gained two electrons from each hydrogen molecule.

氢电极已获得两个电子，每个氢分子。

In the first stage, anaerobic hydrogen depolarization is predominant and produced iron oxide corrosion product layer; in the second stage, due to bio-produced hydrogen sulphide, iron oxide was biomineralized and translated iron sulphide.

初期是厌氧条件下的氢去极化，生成氧化物产物层；然后在SRB代谢产生的H2S作用下，发生氧化物到硫化物的转变。

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。

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