研究了环己烯直接水合制备环己醇的工艺条件。
The reaction conditions of the direct hydration of cyclohexene were studied.
方法制备环磷酰胺的体外细胞抑制模型及小鼠抑制模型。
Methods The in vitro (cell) and in vivo (mouse) models of immunosuppression were established.
介绍了用桐油制备环氧酯的工艺，以及桐油对树脂性能的影响。
Process to prepare epoxy ester from tung oil and influence of tung oil to resin performance are given.
对以磷钨酸为催化剂环己醇脱水制备环己烯的反应进行了研究。
The research on the dehydration of cyclohexanol to prepare cyclohexene using phosphotungstic acid as catalyst is made.
用对甲基苯磺酸为催化剂，对环己醇脱水制备环己烯反应进行了研究。
Synthetic of cyclohexene by dehydration of cyclohexanol on the catalyst ofp-Tolenesulfonic acid is studied.
以无水三氯化铝作催化剂，对环己醇脱水制备环己烯的反应进行研究。
Cyclohexyl acetate was synthesized from acetic acid and cyclohexanol with anhydrous aluminum chloride as catalyst.
对于从丙烯和过氧化氢制备环氧丙烷的反应而言本催化剂是很有价值的。
The catalysts are valuable for making propylene oxide from propylene and hydrogen peroxide.
本发明涉及一种制备环二肽，特别是涉及一种制备天冬氨脯环二肽的方法。
The invention relates to a preparation method of cyclic dipeptide, in particular to a preparation method of aspartic ammonia prolinase cyclic dipeptide.
讨论了温度、氢气压力、催化剂活性组分含量对苯部分加氢制备环己烯反应的影响。
The influence of temperature, hydrogen pressure and contents of active component in catalysts are discussed.
同时，采用分子设计与化学制备技术制备环氧胶粘剂，具有高强高韧高填充比等特点；
Moreover, the epoxy adhesive with high intensity, high toughness and high fill factor is made by molecule design and chemical production technology.
研究了采用液相热分解法由双环戊二烯（DCPD）制备环戊二烯（CPD）的实验条件。
The preparation method of cyclopentadiene (CPD) from bicyclopentadiene (DCPD) with liquid phase thermal decomposition method is studied.
经计算得到的模拟结果对过氧化氢氧化丙烯制备环氧丙烷工艺的工业化有一定的参考价值。
The result of simulation is valuable for industrialization of propylene oxide producing process by hydrogen peroxide.
本文研究了采用连续反应-精馏装置，由双环戊二烯进行液相热分解制备环戊二烯的工艺方法。
The preparation of cyclopentadiene from dicyclopentadiene by liquid phase cracking method with the device of continuous reaction-rectification was studied.
介绍了在硫酸、732阳离子交换树脂的催化作用下，制备环氧大豆油的工艺，得出了最佳工艺条件。
The preparation process of epoxy soybean oil under the catalysis of sulfuric acid and 732 type cation exchange resin is introduced, and the optimum technological conditions have been obtained.
结果表明，用微波固化制备环氧泡沫材料具有高效率的特点，所制备的环氧泡沫具有优良的压缩力学性能；
The results indicate that the epoxy foams have excellent compressive performance and the preparation of epoxy foam by microwave irradiation is high efficient and convenient.
在高温高压反应釜进行TS-1/H2O2体系催化丙烯环氧化制备环氧丙烷的研究，首先确定反应体系的超临界相行为。
The reaction of propylene with H2O2 catalyzed by TS-1 to prepare propylene oxide was carried out in an autoclave.
在环氧化反应中，利用价廉、易制备的过氧甲酸以几乎定量的收率得到了环氧化合物。
The use of performic acid, an affordable and easily prepared reagent, in epoxidation led to quantitatively the target epoxide.
制备食品时的烟熏和直接干燥工序在燃烧过程中形成的部分多环芳烃可能是人类致癌物。
Parts of PAH are possible human carcinogens formed during the combustion of fuel both in the smoking and in the direct drying processes involved in the preparation of food.
委员会通过了关于在食品最后制备过程中减少多环芳烃摄入的第一份准则。
The Commission adopted the first guidelines for reducing polycyclic aromatic hydrocarbons (PAH) intake through final food preparation.
本文以马铃薯淀粉为原料，环氧丙烷为醚化剂，氢氧化钠为催化剂对低取代度羟丙基淀粉的制备工艺进行了研究。
Synthesis technology and property of hydroxypropyl starch by using potato starch as raw material, propylene oxide as etherization reagent and sodium hydroxide as catalyst, were studied in this paper.
论述了酚醛-环氧结构胶粘剂的制备原理及工艺，讨论了影响酚醛-环氧结构胶粘剂的性能因素。
Preparation of phenolic aldehyde-epoxy structural adhesive was elaborated and the factors which effect the properties of this adhesive were primarily discussed.
咪唑并稠合碳环和杂环，它们的制备方法，含有它们的组合物以及它们的应用。
Imidazo-fused iso-and heterocycles, process for their preparation, compositions containing them and their use.
环戊烯与氢卤素加成反应制备卤代环戊烷，工艺流程简单，原料经济，收率高，易实现工业化。
Preparing cyclopentane halide by the addition reaction of cyclopentene with hydrogen halide is a simplified process with a high yield and can be used in a large scale.
我们对四环素类抗生素的化学反应和结构修饰进行了一些初步的探索，制备了一些四环素类衍生物。
Some primary research to the chemical modification of tetracyclines were carried out. Several tetracycline derivatives were prepared.
采用热模压法制备了环氧模塑料（EMC）。
The epoxy molding compounds (EMC) was prepared by hot pressing molding method.
对在非水溶剂存在下过氧化氢一步催化氧化环戊烯制备戊二醛过程中的催化体系进行了研究。
Some catalytic systems for the synthesis of glutaraldehyde by one step catalytic oxidation of cyclopentene and hydrogen peroxide in a non water solvent were studied.
催化剂的选择及制备工艺对环己烯的制备有很大的影响。
The preparation process of cyclohexene is concerned greatly with catalyst and technique.
以环氧树脂为基体，以玻璃布和碳布为增强材料，采用模压成型工艺制备了某型无人机机翼环肋复合材料结构件。
The aerofoil rib parts for pilotless aircraft was manufactured by using mold pressing process with epoxy resin as matrix materials and glass cloth as enhancement materials.
新的三环衍生物，它们的制备方法，用途和中间体。
New tricyclic derivatives, their preparation, their use and intermediates.
新的三环衍生物，它们的制备方法，用途和中间体。
New tricyclic derivatives, their preparation, their use and intermediates.
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