在金属的焊接和切割中氢也有应用。
Some use of hydrogen is made in the welding and cutting of metals.
水溶液中氢的析出永远是可能的。
Hydrogen evolution is always a possibility in water solutions.
在所有的气体中氢是最轻的。
本文研究了铁中氢与辐照缺陷的相互作用。
The interaction between hydrogen and irradiated defects in iron was studied.
随着时效时间的延长，盘条中氢含量逐渐降低；
The content of hydrogen in steel decreases with increasing the ageing time.
目的建立紫外分光光法测定氢醌乳膏中氢醌的含量。
OBJECTIVE To establish a method for determining the content of Hydroquinone in Hydroquinone cream.
并论证等离子体中氢对折射率的负影响可以忽略不计。
The negative impact of Hydrogen in the plasma to the refractive index is proved to be negligible.
基于地幔中氢的发现，论证了氢在地球内部的赋存形式。
The hydrogen discovered in the mantle demonstrates its existential form in the earth interior.
对目前甲醇吹除气中氢回收的两种方法进行了比较、分析。
It is introduced the analysis and comparison of the two methods of the hydrogen recovery in the blow-out gas of methanol synthesis for the conference of the regarding plant.
在边界等离子体中氢及其同位素分子与电子碰撞可以发生解离反应。
Electron impact-induced dissociation by hydrogen and its isotopic molecule will occur in edge plasma.
讨论了在催化裂化再生器中焦中氢元素的燃烧，并推算出其相对燃烧速度。
The combustion of hydrogen in coke under regeneration is also discussed and its relative burning rate is reckoned.
根据包钢重轨钢的冶炼条件，采用VD真空处理降低钢液中氢含量是完全必要的。
According to smelting condition of Baotou iron and steel group, VD refining process should be adopted to reduce the hydrogen content in the heavy rail steel.
在金属的焊接和切割中氢也有应用。半导体制造商也使用氢，主要是形成还原气氛。
Some use of hydrogen is made in the welding and cutting of metals. Hydrogen is also used by semiconductor manufacturers, primarily to form reducing atmospheres.
认为采用石墨盒或金属包套的惰气熔化法是目前分析易挥发金属中氢、氧的普遍方法。
Reduction extraction, the electrochemical. the activation and the surface analysis methods used in determination of gas in these low melting and volatile metals are particularly outlined.
夏普博士说如果月球岩石中氢的初始含量接近地面的岩石，氯同位素比例比率不会这么分散。
Dr Sharp said that if lunar rocks had initial hydrogen contents anywhere close to those of terrestrial rocks, the chlorine isotope ratios would not have so much scatter.
本文应用X射线透射截面形貌技术研究了氢气区熔硅单晶中氢致缺陷与热处理温度的关系。
The relationship between the annealing temperatures and the hydrogen-induced defects in floating zone silicon grown in hydrogen atmosphere has been investigated by X-ray section topography.
建立了铝液中氢的界面反应过程的数学物理模型，对界面反应过程进行了动力学推导和计算。
The mathematic physics model for interface reaction of Hydrogen aluminum melt is carried out in this paper. The kinetics formula of the reaction process has been deduced and calculated.
研究了包钢重轨钢从转炉出钢到结晶器各个工序过程（未经VD真空处理）钢液中氢含量变化。
The hydrogen content in the molten heavy rail steel was measured in every stages from LD tapping to mould(without the VD refining process).
本文利用离散变分法（DVM）和集团模型研究了铝中氢—空位复合体的电子结构和几何构型。
The discrete variational method (DVM) and cluster model are used to study the electronic structure and atomic configuration of the hydrogen-vacancy complex in aluminum.
阐述了铝熔体中氢和夹杂物的存在形态及其影响因素，介绍了控制铝熔体中氢和夹杂物的方法。
The existent conformation and effective factor of hydrogen and inclusion in the molten aluminium is explained. The methods of controlling hydrogen and inclusion in the molten aluminium are introduced.
相同温度变形的试样中氢含量增加所产生的组织变化与在更高温度压缩后所产生的组织变化相当。
The microstructural changes produced by increasing the hydrogen content at a fixed deformation temperature correspond to those obtained by raising the deformation temperature.
考察了稀土对锶变质a356合金冶金质量的影响，以减压凝固试样密度来评定熔体中氢含量水平。
The effect of Rare Earth (re) on the metallurgical quality of A356 alloy which was modified with Strontium (Sr) was investigated in this paper.
结果表明：在保护奥氏体化过程中钢样中氢的化学势比气氛中高而导致钢中的氢向保护气氛中扩散。
Both experiments and calculations re-veal that the hydrogen diffuses from the specimen to the atmosphere in the austenising process.
添加材料的水分和增强熔池中的搅拌程度对钢中氢含量影响很大，但钢中锰含量的增加对氢含量的影响不大。
The moisture content of the raw materials added into ladle and stir intensity have a great effect on hydrogen content in the molten steel.
介绍了铝熔体中的氢的来源及其存在形态，分析了铝液吸氢的过程。讨论了铝液中氢的溶解度及其影响因素。
The origin and the existing pattern of hydrogen in aluminum melt were introduced, and the solubility of hydrogen in aluminum liquid and its influence factors were analyzed as well.
在空气中氢的易燃范围很宽，从4%到74%，而且点燃所需的能量很少，必须特别处理，以防止无意中把氢和空气混合在一起。
The wide flammability range, 4% to 74% in air, and the small amount of energy required for ignition necessitate special handling to prevent the inadvertent mixing of hydrogen with air.
镀镍层有利于贮氢合金氢化物电极大电流放电，这种作用源于微包覆过程中氢脆引起合金颗粒的细化与表面镀层增强了电极的导电性。
The rate capability of the alloys is improved after plating, due to the fine particles formed through hydrogen crisping and the nickel layer contributed to the conductivity of electrodes.
在另一项演示中，他们为华盛顿大学分析了细菌中的制氢过程。
In another demonstration, they analyzed hydrogen production in bacteria for the University of Washington.
需要改进技术，提高风能、太阳能和氢能在能源等式中的可行性。
Technological improvements are needed so that wind, solar and hydrogen can be more feasible parts of the energy equation.
需要改进技术，提高风能、太阳能和氢能在能源等式中的可行性。
Technological improvements are needed so that wind, solar and hydrogen can be more feasible parts of the energy equation.
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