The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.

以华鱼腥藻为材料研究6种氨基甲酯类农药对藻类的毒性效应。

The research provided the applicable functional monomer leading urethano into acrylic ester.

为将氨酯基团引丙烯树脂提供一种可用的官能单体。

The synthetic medium of optical N acylalanines was N (2,6 xylyl) alanine.It was reacted with 1 menthol and prepared into its menthol esters which were purified by TLC, resolved and determined by HPLC.

光学活性杀菌剂的合成中间体N-（2，6-二甲苯基）-丙氨与l-薄荷醇在催化剂作用下，生成非对映异构体的薄荷醇酯。

This work applied the new type capillary column modified by barium sulfate. It has completed the solubilty of high boiling ester in para-methyl-toluate with the method of chromatography.

研究钡微晶改性新型毛细管柱的应用.可用于色谱法测定完全互熔性高沸点酯类在对甲基苯甲甲酯中的溶解度.

Biocat-alytic production processes have been set up for the manufacture of special esters like cetyl ricinoleate, so-called emollient esters, used as skin caring oils in cremes and lotions.

化妆品行业已经建立生物催化过程来生产如十六烷基蓖麻醇酯等化妆品工业中应用的酯。

Xanthic ester is a kind of catcher in the floatation of minerals.Though only a very little amount of xanthic ester is discharged into water, it smells wondrously bad.

[摘要] 浮选矿捕集剂黄原酯极少量地中也能使的味道极其难闻。

Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR，1HNMR，FAB-MS and elemental analysis.

首次合成叠氮亚磷酯及叠氮磷酰胺类化合物，并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行鉴定。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强性阳离子交换树脂为催化剂,十三碳二元与乙醇为原料合成十三碳二元二乙酯,考察影响反应的因素。

Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .

研究脂肪油的衍生化、三氟化硼、3种不同方法对脂肪油的皂化、甲酯化效果,并用GC/MS法对柞蚕中脂肪的成分进行鉴定和分析。

Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.

用四溴双酚A、环氧氯丙烷和丙烯为原料合成阻燃型乙烯基酯树脂，其阻燃性能良好。

There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.

［中文文摘］通过分子结构设计,合成一种氮-硼内配位结构的硼酯偶联剂,解决硼酯解稳定性差的问题,同时分子结构中含有氨基、丁氧基等活性基团。

Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.

古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质，其连接是醚连接而不是酯连接。

It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.

实验发现加一定量的三官能团酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。

The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.

结果表明，半高丛越橘以醇类、酯类、萜类和酮类物质为主。

A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.

通过一元羧和二乙烯基醚的反应,我们得到一种新颖的酯缩醛结构分子玻璃。

The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.

该方法采用硝溶解样品,黄原酯棉富集分离,以氰盐滴定法进行测定。

Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.

阿托品是治疗由于用胆碱酯类不慎而引起的心血管性虚脱的特效解毒剂。

The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.

以它为原料的增塑剂耐寒性优于丁醇和辛醇的酯类。

Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.

KL升华剂80%，右旋炔戊菊酯2-3%，功能剂1- 3%。

The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.

用本发明方法得到的叶黄素脂肪酯含量为70～80％，其中全反式叶黄素酯达90～95％。