hydrogen 高考四级六级考研GMAT

Water was dissolved into hydrogen and oxygen.

水被分解为。

Both hydrodewaxing and dewaxing without hydrogen have been commercialized in China.

分临临降凝工艺技术均已工业化。

Water is a compound of hydrogen and oxygen.

水是的化合物。

Water can be reduced to oxygen and hydrogen by electrolysis.

用电解法可以把水分解为。

A chemist can isolate the oxygen from the hydrogen in water.

化学家可以把水中的分离开来。

The main reason of leading to overhigh hydrogen content was insufficient anneal after forged.

锻造后退火不足是导致含量过高的主要原因。

Water is made up of atoms of hydrogen and oxygen.

水由的原子构成。

Methods Certain amounts of and Zn were put into the wastewater to produce hydrogen (H2) and the H2 reacted with S2-to form H2S, and sulfuret was separated from the wastewater.

方法在废水样中加入一定量的浓硫酸锌粒,生成H2,利用H2S2-结合生成H2S,以分离硫化物。

The results show that the failure is mainly attributed to the inappropriate heat-treatment technology of the locking nut and the hydrogen brittlement from electroplating of the stopping pad.

构件失效的主要原因是：锁紧螺母的热处理工艺不当，止动垫电镀过程发生脆。

Hydrogen embrittlement of 2205 duplex stainless steel has been evaluated using electrochemical permeation measurement, hydrogen microprint technique and slow strain rate tensile test in this study.

摘要本实验主要利用电化学渗透量测、原子微印技术及慢速率拉伸试验，针对2205双相不?钢的脆性与原子扩散方式的关系进行探讨。

Hydrogen embrittlement of 2205 duplex stainless steel has been evaluated using electrochemical permeation measurement, hydrogen microprint technique and slow strain rate tensile test in this study.

摘要本实验主要利用电化学渗透量测、原子微印技术及慢速率拉伸试验，针对2205双相不锈钢的脆性与原子扩散方式的关系进行探讨。

S-Methyl-isothiourea sulfate was oxidized by hydrogen peroxide to give methylsulfonyl chloride in 70% yield in aqueous hydrochloric acid solution.The product was characterized by 1HNNR and IR.

在盐酸介质中，利用双水化S-甲基异硫脲盐，合成了甲基磺酰氯，收率70％。

The metabolism of hydrogen which involved hydrogenase was the main reason for the MIC of AZ91 alloy.The SRB accelerated the cathodic reaction through the cathodic depolarization.

细菌的代谢过程所导致的电极的阴极去极化加速了镁合金的点蚀的形成发展。

Low temperature bleaching of wool with hydrogen peroxide using katalase as catalyst under acid condition has been studied as well as the related factors influencing it.

研究了在酸性条件下,以酶为催化剂,羊毛双水低温漂白工艺及相关因素的影响。

The main body of a book is adopt to follow different condition of admeasurement in vitro to active effect of stem tumour mustard hydrogen nitrate reductase.

本文采用离体法测定不同条件对于茎瘤芥硝酸还原酶活性的影响。

According to the ZBO storage methods of other cyogenic liquids, an idea of centralized recondensation of liquid hydrogen in large containers by using cryocoolers was suggested.

借鉴其它低温液体的无损储存方案,提出利用低温制冷机对大型液储槽内蒸发气体进行集中再冷凝的构想。

The invention is applied to the catalytic reactions such as aromatic ketone unsymmetrical hydrogen transfer reaction and can achieve very high yield and enantiotropic selectivity.

此发明应用于芳香酮的不对称转移反应等的催化反应中，可以得到很高的产率对映选择性。

Our work focus on the research field of Photobiological hydrogen production, fermentative hydrogen production, dispose and resource utilization of organic waste, application of microorganism resource.

主要从事太阳能生物制、生物质发酵制、有机废物处置与资源化利用、资源微生物应用等研究。

The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

地球外气层底的温度是不断变动的，不过通常约是1000K，使得原子平均的速度为每秒5公里。

As viewed from application of the technoogy of producing high-pure manganes carbonate using poor manganese, ferrisulphas and ammonium hydrogen carbonate as raw material is introduced.

本文从应用的角度出发,介绍了以贫锰矿、硫酸亚铁、碳酸控等为原料,生产高纯碳酸锰的方法。