在我们寻找用以取代化石燃料的可再生，安全并且廉价的能源的诸多努力中，利用阳光来将纯水还原成其组成元素的两种单质形态——氢气和氧气是其中大有希望的一种办法。
Using sunlight to split water into its components — hydrogen and oxygen — is one of the most promising methods for creating a sustainable, safe and cheap alternative to fossil fuels.
叙述了氢气还原金属氧化物的过程、装置和工艺过程。
The principle and the apparatus of hydrogen reduction of metal oxides are described.
研究了用氢气还原芒硝制备硫化钠的反应动力学。
Kinetics of the reduction of sodium sulfate to sodium sulfide by hydrogen is studied in this paper.
实验中采用氢气与CO两种还原性气体分别对不同粒径的铁矿粉进行还原实验，粒度分别为0。
The reduction experiments were carried out using hydrogen and CO gas to treat the iron ore with different sizes, 0.
将其中试样A通过氧化-还原处理，表面具有层状结构，与另一脱碳试样B一起放入改造后的电阻炉内在通氢气的气氛中进行渗碳淬火。
Sample A whose surface has layer structure via oxidize-deoxidize treatment and sample B which is decarbonization are put into resistance furnace for carbonization and quencher under hydrogen.
本发明公开了一种催化氢气还原卤代烃脱卤制备烃的方法。
The present invention discloses catalyzed hydrogen reduction process of alkyl halide to dehaloginate and produce hydrocarbon.
以偏钨酸铵(AMT)为原料，采用喷雾干燥法结合氢气还原方法成功制备出球形钨粉。
The spherical tungsten powder was fabricated by spray-drying method combined with hydrogen reduction using ammonium metatungstate (AMT) as raw materials.
同时，在阴极进行非破坏性反应(还原反应)，多数情况下在阴极产生氢气。
Simultaneously, a nondestructive chemical reaction (reduction) would proceed at the cathode, in most cases producing hydrogen gas on it.
用还原剂消除碳钢-水热管中产生的氢气是一种有效的克服钢与水化学不相容的技术。
Removing hydrogen inside the carbon steel-water heat piper with chemical reductant is an effective technology for overcoming the chemical restraint between carbon steel and water.
结果表明，钨粉粒度与还原温度、舟装料量、氢气流量和推舟速度成线性关系。
The results of the experiment showed that tungsten powder particle-size depends on the ertempature, flow of hydrogen, bed depth and pushing rate of boat.
研究蓝钨氢还原工艺并分析了蓝钨在氢气还原过程中主要相成份的变化。
In this article, the process and main phase composition are studied during the deoxidization of blue tungsten oxide in hydrogen.
与环己烯法相比，氢气还原法的催化剂用量明显减少，醇羟基数增加较为显著，酚羟基含量基本一致。
Compared with the reaction using cyclohexene as reducer, the dosage of catalyst was obviously reduced, alcoholic hydroxyl increased and the content of phenolic hydroxyl was almost the same.
氢气还原活化效果明显优于环己烯还原效果。
The deoxidization effect with hydrogen was superior to that with cyclohexene.
催化转移加氢是有机合成中一种有效的还原方法，与一般的氢气催化加氢法相比，具有反应条件温和、设备要求低等优点。
Catalytic transfer hydrogenation (CTH) is an effective reduction method, which conducts at a mild reaction condition and with simple facilities comparing to common catalytic hydrogenation.
以蓝钨为原料，通过氢还原制取超细W粉末，研究了还原温度、装舟量和氢气流量对制取W粉粒度的影响。
Ultra-fine tungsten powder was obtained from blue tungsten oxide by hydrogen. The effect of temperature, weight and flow rate of hydrogen on granularity of W-powder also was studied.
再将所得干粉体在温和加热条件下氢气氛中还原。
Then, the dry powder obtained is deoxidized in hydrogen at the condition of mild heating.
采用批式实验讨论了氢自养还原菌在厌氧条件下，利用氢气作为电子供体还原地下水中对硝基氯苯的可行性及其影响因素。
The performance of autohydrogenotrophic bacteria using hydrogen as an electron donor for bioreduction of para-nitrochlorobenzene (p-NCB) under anaerobic conditions was studied with batch experiments.
排气流过三元催化器时，废气中多余的氢气和氮氧化物发生氧化还原反应，进一步降低排放。
When exhaust flow flows through a three-way catalyst, redundant hydrogen and nitrogen oxides in waste gas are subjected to oxidation-reduction reaction to further reduce discharge.
较好的是，用氢气或有机还原剂并在适当温度下进行反应从而将钼原子还原至基本上不含任何氧化钼。
Preferably the reaction is performed with hydrogen or an organic reducing agent and at a temperature such that the molybdenum atoms are reduced to eliminate substantially all molybdenum oxide species.
较好的是，用氢气或有机还原剂并在适当温度下进行反应从而将钼原子还原至基本上不含任何氧化钼。
Preferably the reaction is performed with hydrogen or an organic reducing agent and at a temperature such that the molybdenum atoms are reduced to eliminate substantially all molybdenum oxide species.
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