研制开发了新型碱性催化剂制备丙二醇单甲醚。
Synthesis of Propylene Glycol Monomethyl Ether with Novel Alkaline catalyst is developed and manufactured.
它是酚与甲醛在一种碱性催化剂作用下缩聚的聚合物。
It is a condensation polymer of phenol and formaldehyde activated with an alkaline catalyst.
六亚甲基双氰基胍的形成在碱性催化剂的存在下在有 机溶剂中进行。
The formation of the hexamethylenebiscyanoguanidine proceeds under base catalysis in an organic solvent.
研究了甲醇与环氧丙烷在碱性催化剂TA存在下均相合成丙二醇甲醚的过程。
A process of reacting propylene oxide with methanol using basic catalyst ta is investigated.
结论：碱性催化剂优于路易斯酸性催化剂，金属氧化物催化适合于工业化生产。
CONCLUSION: Basic catalysis is superior to Lewis acid catalysis. Using metal oxide is suitable for industrialization.
在碱性催化剂的存在下，甲醛和丁醛经羟醛缩合反应合成2,2—二羟甲基丁醛。
Respectively using barium hydroxide and a basic anion exchanger as a catalyst, 2, 2-bis (hydroxymethyl) butyraldehyde is prepared from the Aldol condensation of butyraldehyde with formaldehyde.
以双酚a，甲醛水溶液为原料，在碱性催化剂的作用下，合成双酚a型甲阶酚醛树脂。
A phenolic resin was synthesized from bisphenol a and aqueous formaldehyde in the presence of basic catalyst.
结果表明，酸性和碱性催化剂由于活性中心的存在，加快了反应速度和降低了反应活化能。
The results indicate that acid and alkali catalysts can increase the tar cracking reaction speed and reduce the activation energy due to the activated center.
研究在碱性催化剂存在下，噻唑碘乙烷盐与芳香醛的反应动力学，实验结果表明此类反应符合二级反应。
The reactions of thiazole ethiodide with aromatic aldehydes in the presence of pipcridine as catalyst were investigated. It is found that the reaction is of second order.
通过桐油与苯酚在酸性催化剂存在下反应，然后再在碱性催化剂存在与甲醛反应制得了一种热固性桐油改性酚醛树脂。
A new thermosetting modified phenolic resin by tung oil has been made through reaction between tung oil and phenol in condition of acid and then react to formaldehyde in condition of basicity.
通过桐油和本酚在催化剂存在下反应，然后再在碱性催化剂存在下与甲醛反应成功地制得了一种桐油改性甲阶酚醛树脂。
To obtain Successfully the PF resin, reaction of phenol with tung oil in the presence of catalyst was followed by the reaction with formaldehyde in the presence of alkaline catalyst.
六组分过渡金属氧化物催化剂的表面酸碱性测定。
The surface acidity or basicity of six-component transition metal catalyst was studied.
报道了合成碱性绿-4的最佳条件：在醋酸介质中，尿素、氯化锌为催化剂，四氯苯醌和重铬酸钾为氧化剂；
The optimal conditions for synthesis of alkali green 4 are reported, including the carbamide and zinc chloride as catalyst, chloranil and bichrome as oxidation agent in the acetic acid medium.
报道了一种新的碱性燃料电池氧电极的非贵金属催化剂。
A new kind of non noble metal catalyst for the oxygen electrode of alkaline fuel cells was investigated.
催化剂的酸碱性可能是影响催化活性的关键因素。
The acidity and basicity of catalyst might be the key factors that influenced the catalytic activities.
采用KOH为催化剂，正丁醇为溶剂，碱蓬籽油通过碱性异构化反应制备共轭亚油酸(CLA)。
The conjugated linoleic acids (CLA) were prepared by alkali isomerization with KOH as catalyst, butyl alcohol as solvent and suaeda salsa seed oil as raw material.
碱性燃料电池(afc)具有启动温度低、性能可靠、可用非贵金属作催化剂等优点。
Alkaline fuel cell (AFC) had the advantages of low start-up temperature, good reliability and the possibility of using non-precious metal as catalyst.
产生上述的差异主要与煅烧对催化剂颗粒度、分散性及酸碱性的改变有关。
That the calcination process will change the graininess, dispersity and acidity-basicity of the catalyst can explain the discrepancy of the above phenomena.
结果表明，三种催化剂上表面碱性的类型、强度和数目分布不同。
It was shown that the distribution of the type, number and strength of surface base of the three catalysts were different.
本发明公开了一种碱性电化学电池，其具有包含锌的阳极以及包括催化剂和碘酸盐的阴极。
An alkaline electrochemical cell having an anode containing zinc and a cathode that includes a catalyst and an iodate is disclosed.
本文研究了落叶松碱性亚硫酸盐蒸煮中，蒽醌及其几种衍生物作为氧化还原性催化剂对蒸煮反应的影响。
The effect of anthraquinone and some derivatives as oxido reductive additives on the cooking result of alkaline sulfite anthraquinone pulping is studied.
结果表明，保护床催化剂失活的主要原因是原料中的有机碱性氮化物引起的树脂催化剂交换容量的损失。
It was found that loss of exchange capacity of the resin catalyst caused by basic nitrates was the main cause behind the deactivation.
采用KOH为催化剂，丙二醇为溶剂，天然植物油为原料，碱性异构法转化为共轭亚油酸。
Conjugated linoleic acids (CLA) were prepared by alkali isomerization using KOH as catalyst, 1, 2propanediol as solvent and natural vegetable oils as raw material.
本发明以大环化合物修饰的石墨烯作为催化剂，应用于电池的酸性、中性和碱性条件下氧还原的催化。
The grapheme modified by a macrocyclic compound is used as the catalyst and is used for catalyzing the oxygen reduction of batteries under acidic, neutral and alkaline conditions.
结果表明，催化剂的碱性，氧扩散速率等对催化剂的活性均有影响。
It was demonstrated that both the lattice oxygen mobility and Surface basicity affected the performance of the catalyst.
选用氨水溶液代替醋酸作为新型催化剂用于硫磷双辛基碱性锌盐（T203）的皂化反应。
Hartshorn(NH_(4)OH) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate (T203).
采用添加含硅助剂的方法，可有效抑制碱性体系中分子筛的溶解流失，大幅度延长催化剂稳定运转周期。
Adding an additive into the solution could inhibit the dissolution erosion of silicon from the catalyst, and the stable running period of the catalyst was prolonged.
以对氯苯乙腈为原料 ，苄基三甲基氯化铵为相转移催化剂 ，在碱性条件下进行水解反应制备对氯苯乙酸。
Preparation of trimethylsilyl quaternary ammonium salt phase transfer catalysts and their application in the synthesis of esterified carbon functional groups organic silicone monomers;
制备了负载型镍催化剂，并加入碱性和过渡金属氧化物助剂，各种氧化物总负载量低于催化剂质量的30 %。
The supported nickel catalyst was prepared in which basic oxides and transition metal oxides were added as promoter, and all the oxides in amount were less than 30% of the mass of catalyst.
制备了负载型镍催化剂，并加入碱性和过渡金属氧化物助剂，各种氧化物总负载量低于催化剂质量的30 %。
The supported nickel catalyst was prepared in which basic oxides and transition metal oxides were added as promoter, and all the oxides in amount were less than 30% of the mass of catalyst.
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