direct synthesis是什么意思

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用法例句

The advances in preparing AES resin by direct synthesis and blend were reviewed,containing the technology of solution polymerization,emulsion polymerization,suspension polymerization,application of compatilizer and chemical reaction during the mixture for compatibilization.

概述了直接合成法和共混法制备AES(丙烯腈/三元乙丙橡胶/苯乙烯共聚物)树脂方面的研究进展,包括溶液聚合、乳液聚合、悬浮聚合、加入相容剂增容和利用混合过程中的化学反应来增容等工艺和技术,并提出了关于今后AES树脂制备和应用发展建议。

Recent progress in research of direct synthesis of hydrogen peroxide from H_2 and O_2 was reviewed.

介绍了国内外近年来在氢氧直接合成法合成H2O2方面的研究进展。

The latest progresses in studies on preparing dimethyl carbonate including direct synthesis from CO2 and methanol,ester interchange and direct alcoholysis of urea were reviewed,under homogeneous catalysis system,non-homogeneous catalysis system,ionic liquids catalysis system,supercritical reaction system and phot.

综述了国内外CO2和甲醇直接合成法、酯交换法和尿素醇解法合成碳酸二甲酯的研究进展,在均相催化体系、非均相催化体系、离子液体催化体系、超临界反应体系以及光催化反应体系下概述了上述方法的研究概况。

Catalyst system influence on direct synthesis methylchlorosilane;

催化体系对直接法合成甲基氯硅烷的影响

Study on technique of direct synthesis of methyl tin chloride

直接法合成甲基氯化锡的工艺研究

The powders of Ba_1xSr_xTiO_3 consisting of solid solutions were synthesized by HPDS(homogeneous phase direct synthesis) process using a stoichiometrical mixture of the soluble salt of titanium,barium and strontium as the reactants while MOH(M=Na,K) as precipitant and temperature is below 100 ℃ and reaction time is about 4~5 hours.

以钛、钡和锶的可溶性盐分别作为钛、钡和锶的前驱体,以MOH(M=Na、K)为沉淀剂,温度在100℃以下,反应时间为45 h,采用均相直接合成法获得Ba1-xSrxTiO3一系列的固溶体粉体。

Studies on Direct Synthesis of Poly (Lactic Acid) and Its Co-polymer;

聚乳酸及其共聚物直接法合成的研究

Study on the Direct Synthesis of Triethoxysilane;

直接法合成三乙氧基硅烷工艺的研究

Study on the Direct Synthesis of Methylchlorosilanes and the Evaluation of the Catalysts;

直接法合成二甲基二氯硅烷及对催化剂的评价

Research on the Direct Synthesis of Dimethyldichlorosilane;

直接法合成二甲基二氯硅烷的实验研究

Study on the Direct Synthesis of Methylchlorosilanes Using the Fixed-bed Reactor;

固定床直接法合成甲基氯硅烷的实验研究

Synthesis of Poly(lactic acid-co-valine) via Direct Melt Copolycondensation

直接熔融聚合法合成聚(乳酸-缬氨酸)

Study on Synthesis of p-Aminophenol by Direct Electroreduction of Nitrobenzene;

直接电还原法合成对氨基苯酚的研究

Synthesis of 3,4-Difluorobenzonitrile by Fluorodenitration from 4-Fluoro-3-nitrobenzonitrile

硝基直接氟化法合成3,4-二氟苯腈

Direct synthesis of poly(L-lactic acid) by melt polycondensation

熔融缩聚法直接合成聚L-乳酸的研究

It is mainly synthesized by two chemical ways: ring-opening polymerization and direct polycondensation.

合成聚苹果酸的化学方法主要有开环聚合法与直接聚合法。

Studies on Synthesis of m-Chlorobenzaldehyde from Benzaldehyde by Direct Chlorination;

苯甲醛直接氯化法合成间氯苯甲醛的研究

Research on The Method of DDS s Precision;

直接数字频率合成器(DDS)精度提高方法研究

Effect of pH on the preparation of BaTiO_3 by direct precipitation method

体系酸度对直接沉淀法合成钛酸钡的影响

Direct Synthesis of Poly(L-Lactic Acid) by Melt Polycondensation Under Continuous Microwave Irradiation

连续微波辐射直接熔融缩聚法合成聚L-乳酸

direct digital frequency synthesizer

直接式数字频率合成器

Recent progress and synthesis methods on direct hydroxylation of benzene to phenol are systematically introduced.

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。

Direct Melt Polycondensation and Characterization of Polylactic acid Modified by Diethanolamine

二乙醇胺改性聚乳酸的直接熔融聚合法合成及其表征

Haber-Bosch process(Haber ammonia process,synthetic ammonia process):First economically feasible method of directly synthesizing ammonia from hydrogen gas and atmospheric nitrogen.

哈伯－博施法(亦称哈伯制氨法或合成氨法):用氢和空气中氮直接合成氨的方法。