氢与氧化合成水。
氢与氧化合成水。
过氧化氢选择氧化合成精细化学品研究进展；
Progress in synthesis of fine chemicals with hydrogen peroxide as selective oxidant;
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.
结果二乙醇胺直接清洁氧化合成亚氨基二乙酸。
Results Iminodiacetic acid was synthesized cleanly from diethanolamine.
给出了二氯苯膦直接氧化合成苯膦酰二氯的方法。
In this paper, A new and simple synthetic method of phenylphosphonic dichloride from direct oxidation of dichlorophenylphosphine was described.
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.
研究了对甲酚经空气氧化合成对羟基苯甲醛反应过程。
The experimental study on the preparation ofp hydroxybenzaldehyde by p cresol oxidation has been carried out in this work.
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.
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.
介绍了高铁酸盐在水处理、有机物氧化合成及高铁电池材料领域的研究进展。
The research progress of ferrate in water treatment, organic synthesis and super-iron batteries materials is introduced.
本文利用103型气相层析仪与电子计算机联接，分析了丙烯氨氧化合成丙烯腈的液体产物。
The liquid product from the ammoxidation of propene to acrylonitrile was analyzed by means of coupling the Type 103 gas chromatograph with a computer.
本文在研究氯甲苯混合氧化合成氯苯甲酸工艺时，采用氧气液相催化氧化法，反应压力为常压。
The method of liquid oxygen oxidation of chlorotoluene mixture was choosen to synthesize chlorobenzoic acids, and the reactions were carried out under atmospheric pressure.
为了研究催化剂的性能，改变实验参数对NTS酸氧化合成DNS酸的反应进行了一系列实验。
In order to study the catalytic performance, a series of experiments for the catalytic oxidation of NTS to DNS were carried out with varying different parameters.
本发明属于氧化合成技术领域，公开了一种邻苯二酚类物质高选择性氧化和加氧开环的化学方法。
The invention belongs to the technical field of oxidation synthesis and discloses a chemical method for high-selectivity oxidation and oxygen-adding open loop of catechol substance.
本文以松树杂酚油为原料提取4 甲基愈创木酚，然后利用4 甲基愈创木酚一步氧化合成香兰素。
This article introduces a new process of synthesizing vanillin from 2-methoxy-4-methyl benzenol, which is abstracted from pine creosote oil, via one-step oxygen method.
由2,3,6三甲基苯酚催化氧化合成了2,3,6三甲基苯醌，确定了最佳工艺条件，使产率达到了88.1%。
Trimethylbenzoquinone was synthesized by catalytic oxidation of 2, 3, 6 trimethylphenol. The optimum reaction conditions were established with yield of 88.1%.
本文利用草酸的电解液合成了4-羟基-3-甲氧基扁桃酸，经进一步电解氧化合成了香兰素，获得了满意的结果。
Vanillin is prepared by electrolytic oxidation of 4-hydroxy-3-methoxymandelic acid which is obtained by reaction of electrolytic solution of oxalic acid and guaiacol.
研究了紫苏醛*醇选择氧化合成紫苏醛*的反应，考察了氧化剂负载量、氧化剂用量和反应温度对紫苏醛*产率的影响。
Synthesis of perillaldehyde via selective oxidation of perilla alcohol by supported CrO3/SiO2 oxidant is studied in this paper.
通过填料的选择、气液流动状态的比较和反应器长径比的考察，探讨了管式填料反应器中乙醛液相氧化合成过氧乙酸的新工艺。
The structure properties of tube reactor for production of DAP by means of concentration AP slurry with secondary ammoniation are investigated on experimental equipment.
实验结果表明：重结晶法提纯工业菲效果较好，能使菲的纯度由60.34％提高到84.21％，为后续菲氧化合成菲醌提供了原料。
The results indicate that the recrystallization has a good effect , the purity increase from 60.34% to 84.21% , and it can provides the raw materials for the synthesis of phenanthrenequinone .
以叔丁基过氧化氢(TBHP)为氧化剂，四丁基溴化铵(TBAB)为相转移催化剂，有效地将乳酸乙酯氧化合成丙酮酸乙酯，产品纯度达98%以上。
Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst, the purity of product was over 98 %.
以苯酚为原料，复合金属离子为催化剂，研究用气相氧化合成苯醌，用铁粉还原苯醌制对苯二酚的两步法工艺，考察了氧化过程中的工艺条件对反应的影响。
The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.
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.
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.
近几年来，在国外它被广泛地用于催化氧化醇类以合成羰基化合物的研究。
In recent years, it was extensively used to investigate the synthesis of many carbonyl compounds by catalytic oxidation of alcohols at abroad.
通过对芦苇造纸黑液氧化、接枝磺化合成工艺，研制出具有引气性能的高效减水剂，并对其性能进行了研究。
An air entraining high range water reducing agent was synthesized by way of oxidization and grafted - sulfonation of black liquor of reed pulp (sodium lignosulfonate) and its performance was studied.
抗氧化剂，包括天然的或合成的化合物，例如某些维生素和矿物质，都能有助于减少由活性氧族带来的危害。
Antioxidants include natural and synthetic chemicals, including certain vitamins and minerals, which help to reduce the damage caused by ROS.
抗氧化剂，包括天然的或合成的化合物，例如某些维生素和矿物质，都能有助于减少由活性氧族带来的危害。
Antioxidants include natural and synthetic chemicals, including certain vitamins and minerals, which help to reduce the damage caused by ROS.
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