二是阳极催化剂对甲醇氧化反应的活性低。
The other is slow methanol oxidation kinetics on the anode catalyst.
评述了甲醇分解、甲醇水蒸气重整和甲醇氧化重整催化剂的研究情况。
The catalysts for decomposition of methanol, steam reforming of methanol and partial oxidation of methanol were commented separately.
考察了反应温度、氧浓度、催化剂用量以及反应时间对苯甲醇氧化的影响。
Effects of reaction temperature, oxygen concentration, catalyst dosage and reaction time on oxidation of benzyl alcohol were investigated.
综述了作为甲醇氧化催化剂的铂及铂的多元体系;钙钛矿型氧化物的研究现状。
Pt and Pt polynary systems, the pyrochlore-type oxide as the catalyst for methanol oxidation was reviewed.
此外,增加甲醇的浓度和反应温度有助于提升在超细WC表面的甲醇氧化反应。
Moreover, increasing the methanol concentration and reaction temperature promotes methanol electro-oxidation on ultrafine mesoporous WC.
研究结果表明:硅钨酸修饰多晶铂电极提高了甲醇氧化的催化活性和抗co中毒性。
The results show that the Pt electrode modified by Silicatungstic acid has not only the higher catalytic activity to methanol oxidation, but also the effect decreasing CO poison.
银作催化剂用的场合不多,主要用于乙烯氧化制环氧乙烷、甲醇氧化制甲醛及乙二醇的生产。
Silver catalyst is not so often used. It is mainly used for producing epoxy ethane with ethylene, formaldehyde with methanol and producing ethylene glycol.
报道了一系列铜与含氮、氧、磷配体形成的配位催化剂用于甲醇氧化羰化合成碳酸二甲酯的研究结果。
Oxidative carbonylation of methanol to dimethyl carbonate catalyzed by a series of copper complexes bearing ligands with nitrogen, oxygen and phosphine donors is reported.
对甲醇氧化羰基化合成DMC的过程进行了热力学分析。着重计算了合成反应的平衡常数和平衡转化率。
A thermodynamic analysis of synthesis process of DMC by oxidation carbonylation of methanol was carried out with the emphasis on calculations of equilibrium constants and conversions for the reaction.
甲醇氧化反应动力学研究表明,甲醇在新鲜和高温热老化的铂催化剂上,反应动力学网络表示式是有区别的。
The study on reaction kinetics for methanol oxidation on the fresh and high temperature aged Pt catalyst showed that the expression in kinetics network was changed.
甲醇氧化羰化羰化法是合成dmc的一种新工艺路线,该工艺与传统的光气法工艺相比,具有工艺流程简单、无三废污染及生产成本低等优点。
Compare to the traditional phosgene process, synthesis of DMC by oxidative carbonylation of methanol is more favorable because of its simple, environmental benign and cost-effective characters.
由此产生的进一步方案是将这样的溶液导入内容催化剂的试管中,其催化剂在紫外线的作用下使溶于水的二氧化碳(CO2)与水(H2O)反应,生成甲醇(CH3OH)。
The resulting solution is directed into tubes containing a catalyst that is activated by UV light and causes the dissolved CO2 to react with water (H2O) to form methanol (CH3OH).
植物油分子经过甲醇和钾的氢氧化物、也被称作灰汁的处理后就被分解。
Treated with methanol and potassium hydroxide, also known as lye, the vegetable oil molecules break down.
此外通过数据呈现的波形曲线显示出其他分子的存在,有可能是二氧化碳,二氧化硫,甲醇或更为复杂的含碳分子。
In addition, there were squiggles in the data that indicated other molecules, possibly carbon dioxide, sulfur dioxide, methane or more complex carbon-based molecules.
这种反应,需要催化剂,将甲醇和水变成质子和电子(换句话说,就是游离的氢原子)以及二氧化碳。
The reaction, which requires a catalyst, turns the methanol and water into protons and electrons (in other words, dissociated hydrogen atoms) and carbon dioxide.
在甲醇的氧化和氧气的还原反应中,金纳米花显示出优良的电催化活性。
The GNFs show excellent electrocatalytic activity toward the oxidation of methanol and the reduction of oxygen.
二氧化碳转化为甲醇方法的资料受到了诺贝尔化学奖获得者乔治·奥拉(GeorgeOlah)的支持和肯定。
The profile of the CO2-to-methanol approach has been boosted by support from chemistry the Nobel Laureate George Olah.
简述了分别以一氧化碳、二氧化碳与甲醇、二甲醚等进行羰基化反应合成碳酸二甲酯(DMC)的研究进展。
Advances in the carbonylation synthesis of dimethyl carbonate (DMC) from methanol or dimethyl ether with carbon monoxide or carbon dioxide were summarized.
从催化剂的装填及催化剂的氧化还原等方面探讨了如何高效使用甲醇转化催化剂。
The effective use of transform catalyst during the methanol production is discussed in this article from the catalyst loading, oxidation, deoxidization, etc.
等氢氧化钠完全溶解后,倒入少量新鲜甲醇至250毫升,来弥补溶解过程中挥发掉的甲醇。
After ALL the NaOH has dissolved, top up to 250 ml with fresh methanol, as there may be some evaporation during mixing.
提出采用燃烧氧化偶联离子色谱法测定甲醇、碳黑中的氯和硫的含量。
A new method has been developed to determine chlorine and sulfur content in methanol and charcoal by using combustion oxidation coupled to ion chromatography.
它由甲醇或烃类气体在气相中靠催化氧化制取。
It is made by catalytic oxidation of either methanol or hydrocarbon gases in the vapor phase.
本文特别介绍了甲醇直接氧化燃料电池研究的进展。
The research status of the direct methanol oxidation fuel cell was also presented.
概述了甲醇电催化氧化机理。
The mechanism for electrocatalytic oxidation of methanol was briefly summarized.
甲醛可由甲醇在银、铜等金属催化下脱氢或氧化制得,也可由烃类氧化产物分出。
The formaldehyde can be prepared from methanol in the presence of a metal catalyst such as silver, copper and the like, and can also be separated from the oxidation products of hydrocarbons.
原料最好溶解于甲醇并加入过量氢氧化铵。
Preferably the starting material is dissolved in methanol and a stoichiometric excess of ammonium hydroxide is added.
在你加热这些油脂之后,加入氢氧化钠和甲醇。
After that you warm the oil up and add sodium hydroxide and methanol.
同时甲醇的生成是可逆吸附氢与一氧化碳作用的结果。
The reversibly adsorbed hydrogen is necessary for the formation of methanol.
同时甲醇的生成是可逆吸附氢与一氧化碳作用的结果。
The reversibly adsorbed hydrogen is necessary for the formation of methanol.
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