查询词典 Isopropyl

The synthesis, characterization and polymerization of a new cyclic 6-(N-isopropyl acylamine ethylidene)-ε-caprolactone were reported.

研究了官能团化新型己内酯单体的合成及其与丙交酯无规共聚物的降解性能。

Aminonocyclobutanecarboxylic acid is prepared according to above route, starting from 1-bromocyclobutanecarboxylic acid, which uses hexamethylenamine as catalyst in isopropyl alcohol.

再以1-溴代环丁甲酸为原料，以异丙醇作溶剂，乌洛托品为催化剂，与氨气反应，制备出1-氨基环丁甲酸，并优化了中间产物及最终产品的制备工艺。

HMT general synthesis is aluminum chloride as a catalyst, isopropyl - toluene right with the new hexene, or 2 January 2 3 1 2 1-butene six-olefins reaction.

HMT的合成一般是以三氯化铝为催化剂，由对异丙基甲苯与新己烯、或2，3一二甲基一2一丁烯等六碳烯烃反应生成。

Isopropyl 1,3 benzodioxolane was synthesized from catechol and isobutyric aldehyde using the phosphotungstic acid supported on activated carbon as catalyst.

以邻苯二酚和异丁醛为原料，活性炭固载磷钨酸为催化剂合成了杀虫剂呋喃丹的中间体2 -异丙基- 1，3-苯并二氧五环。

Several routes for synthesizing methyl isopropyl ketone were introduced, including the main methods based on isobutyl aldehyde-acetic acid, isobutyric acid -acetic acid, methyl ethyl ketone-formaldehyde and isoprene.

介绍了甲基异丙酮的多种合成路线，主要有异丁醛-乙酸法、异丁酸-乙酸法、甲基乙基酮-甲醛法和异戊二烯法。

Fourteen new pyrethroids containing isoxazole were designed and synthesized from 4-isopropyl-3-substituted phenyl-5-hydroxyl isoxazoles as major material, whose structures were also characterized by IR, 1H NMR and elemental analysis.

以4-异丙基-3-取代苯基-5-羟基异噁唑和3-苯氧基苄基溴为原料，三乙胺为缚酸剂，设计并合成了14个未见报道的4-异丙基-3-取代苯基-5-异噁唑基-(3'-苯氧基)苄基醚。通过红外光谱、核磁共振、元素分析等手段，确证了它们的化学结构。

E. coli cells harboring the recombinant plasmid was cultured with Laria broth medium and induced with isopropyl β-D-thiogalactopyranoside and detected from supernatant and precipitate of culture lysates by using SDS-PAGE.

将重组菌培养并经IPTG诱导后用超声波裂解菌体，取上清和沉淀同时作SDS-PAGE电泳后显示，上清中没有热休克蛋白A的表达，在沉淀中有热休克蛋白A的表达。

Under alkaline conditions, carboxymethyl konjac glucomannan with different degree of substitution was prepared through reaction of monochloroacetic acid and konjac glucomannan using isopropyl alcohol as dispersing agent.

以异丙醇为分散剂，在碱性介质中一氯乙酸和魔芋葡甘聚糖反应制备了系列羧甲基魔芋葡甘聚糖。

Gel consists of: Testosterone, ethanol, purified water, sodium hydroxide, Carbomer 940 and isopropyl myristate.

凝胶组成：睾酮，乙醇，纯净水，氢氧化钠，卡波姆940和十四酸异丙酯。

Methods: The filtration method was used to inhibit the residual antimicrobial activity when the isopropyl myristate was firstly used as solvent and then the solubilizer was added into the solution.

采用薄膜过滤并在冲洗液中加入增溶剂的方法，去除舒筋健络油的抗菌活性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。