查询词典 diamine

Two kinds of di aniline derivative s connected with oxamethylene bridge or azamethylene bridge were synthesizied by condensation of o nitrophenol and ethylene dibromide (1,4 dibromobutane)or 4 chloro 3,5 dinitrobenzotyifluoride and ethylene diamine(1,6 hexandiamine)and consequent reduction.

由邻硝基苯酚和二溴乙烷以及由4－氯－3， 5－二硝基三氟甲苯和乙二胺为原料通过桥接、还原合成两类由氧亚甲基或氮亚甲基桥联的双苯胺衍生物。

Activity of Diamine oxidase: DOA is the highly active endoenzyme in the microvilli of small intestine of human and other mammal, which activity has crucial correlation with nucleic acids and protein synthesize within mucous cells and also reflects the completion or trauma level of small intestinal mucosa.

二胺氧化酶活性：DAO是人类和哺乳动物小肠粘膜上层绒毛中具有高度活性的细胞内酶，其活性与粘膜细胞的核酸和蛋白合成密切相关，可反映小肠粘膜的完整性和损伤程度。

The invention relates to a fluoric polymer with the principle chain comprising both an amide bond and a sulfonic acid amide bond, the polymer is prepared by the reaction of poly monomers containing dual functional groups and various diamine interfaces or solution.

本发明涉及一种主链同时含有酰胺键和磺酰胺键的含氟聚合物，这类聚合物是通过含有双官能团的聚合单体与各种二胺界面反应或者溶液反应而制备得到。

A novel carbonyl transposition led by anilines'nucleophilic addition to methyl 2-keto α-D-glucopyranoside was discovered. And the mechanism of the reaction concerned to an enol rearrangment was provided through tracing the change of 〓H-NMR and 〓C-NMR of a hemiacetal intermediate which was obtained in the reaction of o-phenylene diamine with 2-keto glycoside. Both the intermediate and the converting product were identified by 〓H-NMR,〓C-NMR,〓H-〓H COSY and HMQC.

一、发现了2-位氧化α-甲基D-葡萄糖苷的芳胺亲核加成引起羰基转位的新方法，利用核磁共振氢谱及碳谱对邻苯二胺与2-位氧化α-甲基D-葡萄糖苷加成生成的稳定中间体半缩酮化合物在氘代丙酮中的变化进行跟踪，结合对转化产物的氢氢相关谱和HMQC结构确证，提出了该反应中2-位羰基通过烯醇化互变而转至3-位的机理并得到了验证。

From the result of CV, it can be concluded that azomethine diamine and p-amino-phenyl-9-ethyl- carbazolyl azomethine possess electrochemical activity, and the electrochemical activity arised from the heteroatom of molecules.

我们用循环伏安表征了化合物的电化学性质，从循环伏安的结果来看，偶氮甲碱二胺和对氨基苯基-9-乙基咔唑基偶氮甲碱具有一定的电化学活性，并且这些电化学活性主要来自分子中的杂原子。

The clean synthesis of 1,6-dicarbamate hexane from dimethyl carbonate and 1,6-diamine hexane is studied.

对由1，6-己二胺和碳酸二甲酸合成1，6-六亚甲基二氨基甲酸甲酯的洁净化工艺过程进行了初步研究。

Take CdS for account, hexagonal spherical CdS with average particle size of 50nm was formed in pyridine, cubic rod-like in 1,6 hexyl diamine, mixtures of cubic and hexagonal spherical particles in biethylamine .

以CdS为例，在吡啶中形成六方相球形CdS纳米晶，平均粒径约为50nm；在1-6已二胺中得到的是棒状立方纤锌矿的CdS；在二乙胺中，得到的是立方和六方的混合相，产物形貌为球形粒子。

High iron diamine/alcian blue staining and Hematoxylin and Eosin staining was used to classify IM and gastric carcinoma, and the expression of COX-2 protein detected in different subtypes of IM and gastric cancer by using immunohistochemistry.

分别用高铁二铵／爱先蓝及HE染色对IM及胃癌进行分型，免疫组化检测不同亚型IM及胃癌中COX一2蛋白的表达。

Irradiative injury was induced using 60Coγ ray. EbD polysaccharide was administered by clyster once a day for two weeks. Fourteen days later, the mice were sacrificed and about 2-cm segment of duodenum, jejunum and ileum were dissected respectively for crypt survival assay. The contents of intestinal mucosal protein, DNA and diamine oxidase were determined.

采用60Coγ射线一次性全身均匀照射建立小肠辐射损伤模型，相应灌胃用药2wk后，测定小鼠肠段的肠腺存活率百分比和二胺氧化酶含量，检测肠黏膜蛋白质和DNA含量，肠组织中SOD活性和MDA含量，血清中TNF、IL-4、IL-6水平。

The general formula of said soluble fluorine- containing aromatic medlin is as follows: the substituent group on side phenyl group in diamine monomer Ar includes methyl, trifluoromethyl, two trifluoromethyls or chlorine and trifluoromethyl.

可溶性含氟芳香聚酰亚胺具有如下通式：二胺单体Ar中苯侧基上取代基为甲基、三氟甲基、两个三氟甲基或者氯和三氟甲基。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。