比较了几种双烯丙脂与丙烯酸甲酯共聚的交联性能。
The crosslinking characteristics of a number of diallyl esters toward methyl acrylate is compared in this paper.
建立了一种简易、快速的声化学法测定油样中双烯值的方法。
A new method of a simple, quick is set up to determine the Conjugated Diene.
对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究。
The hydrogenation of diene compound and carbonyl group with yeasts was studied.
在实验室重点研究了工艺条件对选择性加氢脱双烯过程的影响。
The effect of process conditions on selective hydrogenation of diolefins was investigated in the laboratory.
而由混合酸酐或双烯酮代替酰氯，中间体也可能是烯酮或烯醇5。
Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 May be obtained.
考察了反应温度、空速及氢气与双烯烃的摩尔比等工艺条件对加氢效果的影响。
The effects of the operating conditions such as reaction temperature, liquid space velocity and the mol ratio of hydrogen to diolefins were investigated.
本发明的后加氢制备高质量汽油的系统和方法不仅能脱烯烃，还能脱硫醇和双烯。
The system and the method for preparing high-quality petrol by hydrogenation after recombining component oil refining hydrocarbon cannot only remove olefin, but also can remove thioalcohol and diene.
方法：以双酮为原料，结合双烯孕腈的药物结构特点对双炔失碳酯进行化学结构改造。
Methods: Referring to dienogest's construction features, we reconstructed anordrin be- ginning with diketone.
交联PV C树脂是在氯乙烯单体聚合体系中加入含有双烯和多烯的交联剂聚合而成的树脂。
The cross-linking of PVC resin is a resin comprising polymerizing dienes and polyenes cross-linker was added in the polymerization system of vinyl chloride monomer.
通过烯丙基溴化锌对手性亚胺的两次不对称加成，合成了光活性的双烯丙基化的新型手性二胺。
A novel chiral diallylic diamine has been synthesized through double addition of allyl zinc bromide to chiral imines in this contribution.
建立了高效液相色谱法测定妊娠双烯醇酮醋酸酯合成工艺中裂解和氧化、水解两部分产品的分析方法。
A method of HPLC has been established for quantitative determination of concentrations of acetolysis and hydrolysis solutions in the synthesis technology of 16 _ dehydropregnenolone acetate.
关环转换反应是形成碳碳双键的重要反应之一，即双烯化合物在金属碳烯催化下关环得到环烯类化合物。
Ring closing metathesis (RCM) of dienes to cycloalkene provides an important tool for C-C double bond formation catalyzed by metal carbene.
研究结果指出，双烯漆酚的含量与漆膜性能有关，是决定生漆质量的重要因素，这是生漆认识史上新的进展。
The results show that diolefinic urushiol content influences film properties and is an important factor affecting the quality of chinese lacquer.
乙烯装置第二轮改扩建完成后，由于原油来源多样化，使裂解原料的品质改变，造成裂解碳五产品中双烯烃含量增加。
After the 2~(nd) revamp of Ethylene Plant, the diversified feedstock changed the quality of cracking feedstock, thus inerea- sing the diolefin content in cracking C_5 product.
本文对酮的二甲硅基双烯醇醚的合成反应机理和反应条件进行了探讨，在此基础上合成了四个酮的二甲硅基双烯醇醚，产率较高。
The synthetic mechanism and conditions of dimethylsilyl bis-enol ethers of ketones were studied and four dimethylsilyl his-enol ethers of ketones were synthesized and the yields were high.
本文对酮的二甲硅基双烯醇醚的合成反应机理和反应条件进行了探讨，在此基础上合成了四个酮的二甲硅基双烯醇醚，产率较高。
The synthetic mechanism and conditions of dimethylsilyl bis-enol ethers of ketones were studied and four dimethylsilyl his-enol ethers of ketones were synthesized and the yields were high.
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