查询词典 basic anhydride

Radiation-induced grafting of binary vinyl monomers of styrene/maleic anhydride, St/dimethylamino ethyl methacrylate and St/vinyl acetate onto cotton cellulose was carried out by γ-radiation from a 60Co source at room temperature under nitrogen.

闫宇，伊敏，彭金粉，翟茂林*，哈鸿飞摘要：在氮气气氛下用γ射线辐照的方法在棉纤维上接枝苯乙烯/马来酸酐、苯乙烯/甲基丙烯酸二甲胺乙酯、苯乙烯/醋酸乙烯酯二元单体。

As a part of a search for new antitumor agents from Chinese medicinal plants, the roots of Salvia prionitis, collected in Jiangxi Province, was investigated. From the roots of this plant, a new diterpene, saprirearine (95), a new anhydride-type compound, saprionide (96), a new 7, 8-seco-abietane diterpene derivative, 7, 8-seco-paraferruginone (99), and a new 4, 5- seco-5, 10-friedo-abietane diterpenoids, 3-keto-4-hydroxysaprorthoquinone (102), have been isolated along with 6 known compounds. Their structures were established by spectroscopic methods and chemical transformation.

在对红根草的乙酸乙酯提取物进行分离，纯化和结构研究中，共得到10个化合物，其中4个是新化合物，3个新化合物具有新颖的重排松香烷型二萜骨架，新化合物99为首次从本属植物中分得的7，8-开环的松香烷型二萜醌类化合物。

Diethyl maleate was synthesized from maleic anhydride and ethyl alcohol in the presence of ammonium ferric sulfate dodecahydrate.

在十二水合硫酸铁铵存在下，由马来酸酐与乙醇合成了马来酸二乙酯，研究了反应的影响因素和催化剂的重复使用性能。

Dibutyltin maleate,dioctyltin maleate,N-phenyl maleimide, N-(p-chlorophenyl) maleimide,N-(p-nitrophenyl) maleimide with unsaturated groups were synthesized using dibutyltin oxide,dioctyltin oxide,maleic anhydride, aniline,p-chloroaniline,p-nitroaniline as raw materials,respectively.Then dibutyltin male,ate/styrene bipolymer,dibutyltin maleate/styrene/methyl acrylate terpolymer,dibutyltin maleate/styrene/N-phenyl maleimide terpolymer ,dibutyltin maleate/styrene/N-(p-chlorophenyl) maleimide terpolymer ,dibutyltin maleate/styrene/N-(p-nitrophenyl) maleimide terpolymer ,dioctyltin maleate/styrene biopolymer,dioctyltin maleate/styrene/methyl acrylate terpolymer,dioctyltin maleate/styrene/ N-phenyl maleimide terpolymer,dioctyltin maleate/styrene/ N-(p-ehlorophenyl) maleimide terpolymer[P(DOTM/St/NC1PMI)],dioctyltin maleate/styrene/N-(p-nitrophenyl) maleimide terpolymerwere synthesized using DBTO,DOTO,PMI,N-p-ClPMI,N-p-NOPMI,styrene and methyl acrylate as monomers,respectively.

再以DBTO，DOTO，PMI，N-p-ClPMI，N-p-NOPMI，苯乙烯，丙烯酸甲酯等为单体，合成了马来酸二丁基锡/苯乙烯二元共聚物{P}，马来酸二丁基锡/苯乙烯/丙烯酸甲酯三元共聚物{P}，马来酸二丁基锡/苯乙烯/N-苯基马来酰亚胺三元共聚物{P(DBTM/St/NPMI)}，马来酸二丁基锡/苯乙烯/N-对氯苯基马来酰亚胺三元共聚物{P(DBTM/St/NClPMI)}，马来酸二丁基锡/苯乙烯/N-对硝基苯基马来酰亚胺三元共聚物{P(DBTM/St/NNOPMI)}，马来酸二辛基锡/苯乙烯二元共聚物{P}，马来酸二辛基锡/苯乙烯/丙烯酸甲酯三元共聚物{P}，马来酸二辛基锡/苯乙烯/N-苯基马来酰亚胺三元共聚物{P(DOTM/St/NPMI)}，马来酸二辛基锡/苯乙烯/N-对氯苯基马来酰亚胺三元共聚物{P(DOTM/St/NClPMI)}，马来酸二辛基锡/苯乙烯/N-对硝基苯基马来酰亚胺三元共聚物{P(DOTM/St/NNOPMI)}。

An alicyclolic epoxy resin with endocyclic structure,namely hydrogenated terpinene-maleic ester type epoxy resin, was synthesized from the raw material hydrogenated terpinene-maleic anhydride.

以氢化萜烯马来酸酐为原料与环氧氯丙烷反应合成一种含桥环结构的饱和脂环基环氧树脂——氢化萜烯酯型环氧树脂。

In this research, we used Trifluoroacetic anhydride as a derivatizing agent to esterify the trace glycerol in biodiesel, followed by the determination of trace glycerol using microwave assisted headspace SPME extraction technique combined with GC-ECD.

本研究利用三氟醋酸酐与生质柴油中的微量甘油进行酯化反应，反应后的衍生物以本实验室开发的微波辅助顶空固相微萃取装置采样，并以气相层析仪搭配电子捕捉侦测器作分析。

Supersonic wave disperse research indicated, ethanediol as the disperse medium, it could got suspending liquid about for firve days, but relatively large in grain size. However, combined use of lauryl sodium sulfate and maleic anhydride as disperse medium, the disperse result among water was better than the former, and it would be steady for two days.

超声分散研究表明，使用聚乙二醇作为分散介质，可得到分散五天左右的悬浮液，但分散后粒度较大，使用十二烷基硫酸钠和顺丁烯二酸酐混合作为分散介质在水中分散效果较好，可稳定两天左右。

Ib was synthesized by condensation of phthalic anhydride with 2-methylresorcinol in fused AlCl〓/NaCl (5∶1), followed by selective acetylation, methylation, NBS bromination and condensation with sodium ethoxide.

邻苯二甲酸酐在熔融的三氯化铝-氯化钠(5：1)中和-2，6-二羟基甲苯环合得1，3-二羟基-2-甲基蒽醌〓后经选择性乙酰化、甲基化、NBS溴化、乙醇钠缩合得1-甲氧基-2-乙氧甲基-3-羟基蒽醌。

The low phosphate scale and corrosion inhibitor consists of hydroxyl ethylidene bisphosphoric acid in 0.5-1 mg/l, hydrolyzed polymaleic anhydride in 0.5-2 mg/l and polyasparic acid in 1-2 mg/l, with the total concentration being 3 mg/l.

还含有0.5～2mg/L的水解聚马来酸酐和1～2mg/L的聚天冬氨酸，低磷阻垢缓蚀剂的总质量分数之和为3mg/L。

2A series of alternating polyamide-imideswith fluorenyl cardo structure was synthesized by "one-pot" polycondensation of cardo diamines,trimellitic anhydride and various aromatic diamines including p-phenylene diamine,m-phenylene diamine, 4,4\'-oxydianiline,3,4\'-oxydianiline,2,2-bis[4-(4-aminophenoxy)phenyl]propane, 2,2-bis[4-(3-aminophenoxy)phenyl]propane respectively using triphenyl phosphite as condensing agents.

采用&一锅法&(One—pot Synthesis)，由Cardo二胺、偏苯三酸酐和不同二胺包括对苯二胺、间苯二胺、4，4\'—二氨基二苯醚、3，4\'—二氨基二苯醚、2，2—双[4—(4—氨基苯氧基苯基]丙烷和2，2—双[4—(3—氨基苯氧基)苯基]丙烷合成了一系列含有芴基Cardo结构的交替聚酰胺酰亚胺。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

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