11. The condensation compound was synthesized by 2 butene 1, 4 diol and iso butyric aldehyde, and was characterized by elemental analysis and IR.
将异丁醛与1,4丁烯二醇缩合得到产物二氧七环，对产物进行了元素分析和IR分析。
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12. An acidic aqueous electrolyte solution for production of a nickel cathode is provided which includes nickel ions, and 2, 5-dimethyl-3-hexyne-2, 5-diol.
13. A series of novel chiral ligands derived from (9,10)-dihydrophenanthrene-9,10-diol were designed , synthesized and applied in some asymmetric catalysis.
14. The results showed that using solvent ethyl diol dimethyl ether, biflavone content in crude extractings is higher than that obtained by using other solvents.
结果表明：乙二醇二甲醚为提取剂，粗产品中双黄酮类成分较高；
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15. METHODS The title compound was synthesized from 2-butene-1,4-diol, via esterification, epoxidation, amination, then amidation with tetraiodoterebenzoyl chloride.
方法以1，4-丁烯二醇为原料，经过酯化、环氧化、氨解开环，再与四碘对苯二甲酰氯反应合成目标产物。
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16. One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .
合成了以羟基封端的脂肪族聚碳酸酯-聚乙基醚碳酸酯二醇（PEECD），并用于环氧（EP）树脂的增韧。
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17. These results are significant because PAH diol epoxides react readily with DNA, induce mutations, and are considered to be ultimate carcinogens of multiple PAH in cigarette smoke.
18. Alkyl diol silica (ADS) is a kind of restricted access media, which can be used for direct injection and analysis of complex biological samples containing bio macromolecules.
烷基二醇基硅胶(ads)系限进介质的一种，可用于含生物大分子的复杂生物样品的直接进样与分析。
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19. The moisture cured polyurethane was synthesized with mixing polyether diol, toluene diisocyanate (TDI) as main raw materials, epoxy resin and hydroxy acrylic resin as modifiers.
20. The experiments show that in the new diol boric acid and the proportion of different circumstances, different forms of its response, the proportion of three different reaction there.
实验表明，在硼酸与新戊二醇的比例不同的情况下，其反应形式不同，有三种不同比例的反应存在。
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21. The synthesis of oxyethylene oxypropylene copolyethers used for quenchant was studied by using anionic ring opening polymerization, diol or triol as the starting agent and KOH as the catalyst.
22. "These results are significant because PAH diol epoxides react readily with DNA, induce mutations, and are considered to be ultimate carcinogens of multiple PAH in cigarette smoke, " the study said.
23. "These results are significant because PAH diol epoxides react readily with DNA, induce mutations, and are considered to be ultimate carcinogens of multiple PAH in cigarette smoke, " the study said.
According to the theory that similarities can be solvable easily in each other,nonpolar ethyl diol dimethyl ether is used to extract nonpolar compounds in ginkgo biloba leaves. 根据银杏叶内不同有效成分极性不一样和相似相溶原理，选用乙二醇二甲醚这一非极性溶剂提取银杏叶中非极性成分。
