查询词典 anhydride

With this aim, two different haptens mono- O -3-carboxypropyl- diethylstilbestrol and mono- O -carboxymethyldiethylstilbestrol with carboxylic group that preserve the molecular structure character of diethylstilbestrol were synthesized. The haptens were conjugated with the carrier proteins bovine serum albumin by mixed-anhydride method for immunogen and conjugated with ovalbumin by active ester method for coating antigen.

首先，两种保留己烯雌酚特征结构并具有活性基团的半抗原正丁酸己烯雌酚单醚、乙酸己烯雌酚单醚被合成；然后采用混合酸酐法将半抗原与BSA偶联制备成免疫原，采用活性酯法将办抗原与OVA偶联制备了包被原。

Magnesium monoperoxyphtbalate is composed using benzoic anhydride,magnesium oxide and hydrogen peroxide .

以苯酐、氧化镁和双氧水为原料，研究了均匀设计在单过氧邻苯二甲酸镁合成中的应用，考察了苯酐与氧化镁的摩尔比、反应温度和反应时间对单过氧邻苯二甲酸镁合成的影响，确定了最佳反应条件。

Four kinds of hemicyanine dyes are synthesized by condensation of the benzotellurazolium iodides with diphenylformamidine in acetic anhydride.

将苯并碲唑季铵碘盐与二苯甲脒在乙酸酐中缩合，得到了4个半菁。

The kinetics of isothermal crystallization has been studied for Na+,Mn2+ and Ca2+ ionomers based on maleic anhydride graft polypropylene by DSC,compared with pure PP and PP g MAH.

采用DSC对马来酸酐接枝聚丙烯及其3种5个离聚物的等温结晶行为进行了研究，发现在相对结晶度2％～90％的范围内符合Avrami方程。

Moreover, zinc salts of sulfonated polysulfone ionomers and maleic anhydride graft polysulfone also show better compatibilizing effects on PSF/TLCP.

此外，用磺化聚砜锌盐和马来酸酐接枝聚砜增容剂也取得了较好的增容改性效果。

The acid anhydride is firstly isomerized and esterified with castor oil on 12-hydroxyl of eastor oil acid to improve the rheological and tribological characteristic.

详细考察了合成酯和植物油的烷链结构对流变性能和摩擦特性的影响。

By using polymerizable surfactants, the stability of the latex and water resistance of the film can be improved. Sodium monoalkyl maleates polymerizable surfactants, sodium monoalkylpolyoxyethylene maleates polymerizable surfactants and N-methyl-N-monododecylfumaroyl taurine polymerizable surfactants are synthesized, by using normal fatty alcohols, alkyl poly ether and maleic anhydride.

以直链脂肪醇、脂肪醇聚氧乙烯醚和马来酸酐为起始原料，设计合成了马来酸单脂肪醇酯钠盐A系列、马来酸单脂肪醇聚氧乙烯醚酯钠盐B系列、N-甲基-N-脂肪醇单酯富马酰基-牛磺酸钠D系列的可聚合乳化剂。

The special PP material for sound box is developed with polyolefin elastomer and ethylene/propylene/diene copolymer as the tougheners, polypropylene grafted with maleic anhydride as the compatibilizer and talcum as the inorganic fillers.

以聚烯烃弹性体和共聚物为增韧剂，马来酸酐接枝聚丙烯为增容剂，滑石粉为无机填科研制音箱用聚丙烯专用料。

Piperidinecarboxylic acid is used as the raw material and acetic acid as the acylating agent, followed by the addition of some acetic anhydride in the later stage to get an important organic intermediate n-acetylpiperidine-4 carboxylic acid in the yield of 92%. Toluene is used as the solvent instead of sulfinyl chloride in the acyl chlorination to produce n-acetylpiperidine-4-carbonyl chloride with the yield of 97%.

以4-哌啶甲酸为原料、醋酸为酰化剂，后期加入少量醋酸酐反应得到中间体N-乙酰基哌啶－4-甲酸，收率92%；在甲苯溶剂中进行酰氯化得目标产物N-乙酰基哌啶－4-甲酰氯，收率97%。

Selenium dioxide;selenous acid anhydride ...

化工产品物性辞典

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。