查询词典 anhydride

The Chemical method is based on the Diels-Alder reaction of conjugated dienes with maleic anhydride and the chromatographic analysis use a packed column with SE-30 as stationary phase.

建立了用共轭二烯烃与马来酸酐Diels-Alder特性反应和非极性固定液SE-30填充柱1m×1。

In this paper,the effect of stoichiometric ratio of anhydride/epoxide on thermal properties of curing products of epoxy resin was discussed.

研究了酸酐/环氧当量比 r对双酚A型E-44环氧树脂固化物耐热性能的影响。

The result showed that the degradation of polyitaconic anhydride in phosphate buffer solutions was the first-order reaction, and its degradation apparent constants were 0.0498, 0.0576 and 0. 1382h~(-1) in ph...

结果表明，聚衣康酸酐在磷酸缓冲溶液中的降解符合一级反应动力学规律，在pH值为5、7.4和8.8的缓释溶液中的表观速率常数分别为0.0498、0.0576和0.1382h~(-1)。

By the means of chemical modification, a series of reactive maleic anhydride terminated polyethylene glycols with different molecular weight have been synthesized.

合成了一系列含有反应活性端基的改性聚乙二醇，并对其结构与特性进行了表征和讨论。

The polyesters are obtained by the polymerization of maleic anhydride and polyethylene glycols.

多元酯被 maleic 醋酐和聚乙烯乙二醇的聚合获得。

The seven units at the complex include capacity for acetic acid, vinyl acetate monomer, acetic anhydride, vinyl acetate emulsions, Celstran long fiber-reinforced thermoplastic, GUR ultra-high molecular weight polyethylene and a polymer compounding unit.

该基地包含醋酸、醋酸乙烯单体、醋酐、醋酸乙烯-乙烯共聚乳液、超高分子量聚乙烯和长纤加强热塑性塑料的生产安装以及特种功效高技术复合材料安装。

The seven units at the complex include capacity for acetic acid, vinyl acetate monomer, acetic anhydride, vinyl acetate emulsions, Celstran long fiber-reinforced thermoplastic, GUR ultra-high molecular weight polyethylene and a polymer compounding unit.

该基地包含醋酸、醋酸乙烯单体、醋酐、醋酸乙烯-乙烯共聚乳液、超高分子量聚乙烯和长纤加强热塑性塑料的生产安装以及特种功效高技巧复合材料安装。

It can also be seen as a mixed anhydride, its structure can be used RCOX (R on behalf of alkyl, X on behalf of halogens) said.

它也可看作是一种混合酸酐，其结构可用RCOX（R代表烃基，X代表卤素）表示。

Then, the hapten LBc and LBs was conjugated to bovine serum albumin with CDI method to form immuno-antigen; the haptens LBc, LBs and LBy was conjugated to ovalbumin with mixed anhydride method to form the the coating antigens.The new zealand rabbits were immunized by conjugate of LBc-BSA and LBs-BSA, and titres of anti-bifenthrin serum (5.12×10~4, 3.2×10~5) were determined by non-competitive indirect enzyme-linked assay procedure.

通过碳二亚胺法将LBc和LBs交联于牛血清蛋白作为免疫抗原，通过活泼酯法将分别LBc、LBs和LBy交联于卵清蛋白作为包被抗原，LBc-BSA和LBs为免疫原制备了联苯菊酯的兔抗血清，非竞争间接酶联免疫吸附分析方法测得其效价达5.12×10~4和3.2×10~5。

Two types of haptens, the earboxylated propyl amino derivative of the acid moiety (HCA1) that is the hydrolyzed product of cyhalothrin, and the carboxylated ethyl carbonyl derivative of the alcohol moiety (HCB2) were synthesized, and conjugated with the carrier proteins bovine serum albumin and ovalbumin respectively by the active ester method and the mixed anhydride method. The polyclonal antibodies were obtained after immuning to the New Zealand rabbits.

通过对氯氟氰菊酯分子结构中的酸部分接4-氨基丁酸(HCA1)和醇部分接丁二酸酐(HCB2)，合成两种不同的半抗原，并通过碳二亚胺法将HCA1和HCB2分别与牛血清蛋白偶联制备了人工抗原HCA1-BSA和HCB2-BSA，通过活泼酯法将HCA1、HCAS和HCB2分别与卵清蛋白偶联制备包被抗原，两种人工抗原通过免疫新西兰大白兔来制备相应的多克隆抗体。

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。