探讨了以异丙醇-水作溶剂，通过一次醚化，制备高取代度、高粘度羧甲基淀粉醚的最佳条件。
This paper discusses the optimum condition for preparing carboxymethyl starch with high degree of substitution and high viscosity by using the solution isopropanol-water through etherification.
本发明提供一种包含着色剂、EDTA、1，1，3，3-四甲基脲、二硫代氨基甲酸钠、异丙醇和硼砂的喷墨打印机墨水。
The present invention provides a kind ink for ink jet printer and containing coloring agent, EDTA, 1, 1, 3, 3-tetramethyl urea, sodium dithiaamino formate, isopropanol and borax.
报道了一类1，1-二取代炔丙醇（1）氯代产物与4-甲基-7-羟基香豆素反应的异常缩合产物。
This paper reported a kind of unusual products from the reaction of chlorides of 1,1-disubstitutedpropargyl alcohols with 4-methyl-7-hydroxycoumarin.
乙酸丁酯、乙酸3 -甲基丁酯、乙酸丙酯、乙酸乙酯、1 -丙醇、1 -丁醇、2 -甲基丁醇和2 -甲基丁酸乙酯为新红星苹果果实的主要香气成分。
Starkrimson fruit aroma comprised butyl acetate, 3-methyl-butyl acetate, propyl acetate, ethyl acetate, 1-butanol, 1-propanol, 2-methyl-butanol and ethyl 2-methyl-butanoate.
验证了吲哚、喹啉和异喹啉的降解中间产物，发现了2-甲基喹啉缺氧降解的中间产物2-异丙醇-6-甲苯。
The intermediate products of indole, quinoline, and isoquinoline were proved, and 2-isopropyl-6-methylaniline were originally detected in the degradation of 2-methylquinoline.
验证了吲哚、喹啉和异喹啉的降解中间产物，发现了2-甲基喹啉缺氧降解的中间产物2-异丙醇-6-甲苯。
The intermediate products of indole, quinoline, and isoquinoline were proved, and 2-isopropyl-6-methylaniline were originally detected in the degradation of 2-methylquinoline.
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