氢与氧化合成水。
氢与氧化合成水。
甲苯氧化甲基化合成苯乙烯是一种新工艺。
Oxidative methylation of toluol to styrene is a new process.
研究了对甲基苯磺酸催化合成阿魏酸单甘油酯的工艺。
The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated.
采用不同培养时间的根霉全细胞脂肪酶催化合成己酸乙酯。
Rhizopus chinensis whole-cell lipases of different culture time were used to catalyzesynthesis of ethyl hexanoate.
第一部分描述了通过非对映选择性炔丙基化合成天然产物。
The first part describes the syntheses of natural products by means of diastereoselective propargylation.
对相转移催化合成2-戊叉环戊酮及其异构化的条件进行了研究。
The synthetic conditions of 2-pentylidene cyclopentenone using PTC were stud-ied, and the conditions of isomerization were also studied.
生石灰与水化合成为消石灰。
设计正交试验优化合成二氧化钛的条件。
The process conditions were selected by using the orthogonal design.
接线代码的自动化合成。
什么化学元素化合成水?
溶剂的用量对催化合成反应的影响不明显。
不同元素的原子,以简单的整数比化合成化合物。
Atoms of different elements combine in simple whole number ratios to form compounds.
许多植物的叶子吸收二氧化碳,并使之化合成有机酸。
Leaves of many plants take up carbon dioxide and fix it in organic acids.
介绍了吡啶氯化合成2-氯吡啶的方法和应用。
The process of 2-chloropyridine chlorination synthesis by pyridine and application were introduced.
综述了巴豆醛催化氧化合成巴豆酸的研究进展。
It was used for catalytic oxidation of crotonic aldehyde to crotonic acid.
使用不同种类的催化剂,间歇法催化合成DOP。
With various different catalyst, catalyze the DOP synthesis in the intermittent method.
但用高能球磨直接氮化合成氮化铝的方法尚未报道。
However, there has not article about direct synthesis of aluminum nitride in high-energy ball mill.
总结了固载化催化剂在烯烃氧化合成醛酮中的应用。
The application of supported catalysts in the oxidation of olefins to aldehyde and ketones was reviewed.
研究了一水硫酸氢钠催化合成丙酸环己酯的反应条件。
The reaction conditions of synthesis of cyclohexyl propionate catalyzed by sodium bisulfate monohydrate were studied.
介绍了近年来苯直接羟化合成苯酚的研究进展和合成方法。
Recent progress and synthesis methods on direct hydroxylation of benzene to phenol are systematically introduced.
结果表明,腰果酚醛铁聚合物具有催化合成乙酸丁酯的性能;
The results show that the polymers have catalytic activity of n-butyl acetate.
综述了甲烷催化转化合成芳烃的方法和目前实验达到的结果。
Synthesis of aromatics by catalytic conversion of methane is reviewed and the recent results of experiment are given.
根据极化合成理论和极化特征图的概念,可以获取目标的最佳极化。
Optimum polarization of targets can be obtained based on polarization synthesis theory and polarization signatures.
苯一步氧化制苯酚,是有机物氧化合成中富有挑战性的研究课题之一。
One step oxidation of benzene to phenol has been a challenging subject in organic synthesis.
结果显示,优化合成工艺条件后,甲基橙皮甙的收率提高了4.07%。
According to the new reaction condition of technology, the yield of product increase 4.07%.
对愈疮木酚和乙醛酸缩合—氧化合成香兰素路线进行了中等规模的研究。
The manufacture of vanillin from guaiacol and glyoxylic acid was investigated in middle scale production.
综述对脂肪酶催化合成生物表面活性剂工艺路线、反应体系及操作参数。
The technical routes, reaction systems and operational parameters of producing biosurfactants with lipases were described in this review.
本文研究了四种酸催化剂用于工业混醇与乙酸酯化合成混合酯的催化性能。
The application of four acids as catalyst in the synthesis of mixing ester from mixing alcohol was studied.
本文研究了四种酸催化剂用于工业混醇与乙酸酯化合成混合酯的催化性能。
The application of four acids as catalyst in the synthesis of mixing ester from mixing alcohol was studied.
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