查询词典 benzo-tHiophene

CALORIMETRIC TITRATION FOR COORDINATION REACTION OF 2, 3-BENZO-8, 11, 15-TRIMETHYL-18-CROWN-6 WITH ALKALI AND ALKALINE EARTH METAL IONS

若干碱金属及碱土金属离子与2，3-苯并-8，11，15-三甲基-18-冠-6配位反应的量热滴定研究

Objective To study the contents of benzo pyrene in barbecued meat foods in the market in order to provide some data for hygiene studying in food and protect security of consumers.

目的 了解烧烤肉类食品中苯并芘残留的含量水平，为食品卫生学研究和保护食用者安全提供实验数据。

Benzene nitriles studied included parent benzene nitriles(cinnamonitrile,benzo nitrile,benzeneacetonitrile,isopropyl benzeneacetonitrile) and para-chloro ben zene nitriles(para-chloro cinnamonitrile,para-chloro benzonitrile,para-chloro be nzeneacetonitrile,para-chloroisopropyl benzeneacetonitrile).

所研究的苯腈类化合物包括苯腈类母体化合物(苯丙烯腈、苯甲腈、苯乙腈、异丙基苯乙腈)和对氯苯腈类化合物(对氯苯丙烯腈、对氯苯甲腈、对氯苯乙腈、对氯异丙基苯乙腈)。

To study the effect of occupational exposure to benzo pyrene on cholinergic system of coke oven workers.

［目的］探讨职业性接触苯并芘对焦炉作业工人胆碱能系统的影响。

Stable pharmaceutical compositions containing 8-chloro-6,11-dihydro-11-(4-piperidylidene)-5H-benzo[5,6] cycloheptic [1,2-b] pyridine and a DCL protective amount of a pharmaceutically acceptable basic salt such as calcium dibasic phosphate and an amount of at least one disintegrant, preferably two disintegrates such as microcrystalline cellulose and starch sufficient to provide dissolution of at least about 80% by weight of the pharmaceutical composition in about 45 minutes and suitable for oral administration to treat allergic reactions in mammals such as man are disclosed.

本发明公开了含有8－氯－6，11－二氢－11－（4－亚哌啶基）－5H－苯并［5，6］环庚三烯并［1，2－b］吡啶和DCL保护量的可药用碱性盐如磷酸氢钙以及其含量足以使至少约80％的药物组合物在约45分钟内溶解的至少一种崩解剂、优选两种崩解剂如微晶纤维素和淀粉并且适于口服给药以治疗哺乳动物、例如人的过敏反应的稳定的药物组合物。

Objective To explore the effects of N -Has gene over expression on malignantly transformed human bronchial epithelial cell induced by anti-benzo pyrene-trans-7,8 dihydrodiol-9,10-epoxide (16HBE-T) using small hairpin RNA. Methods The recombinant plasmid pGPU6/GFP/Neo-NRas-566 including N-Has shHNA was transfected to 16HBE-T cells.

目的 用小发卡RNA(small hairpin RNA， shRNA)干扰技术沉默N-Ras基因表达，探讨N-Ras基因表达对二羟环氧苯并花转化人支气管上皮细胞(16HBE-T)恶性性状的影响。

The extraction of scandium picrate by benzo-15-crown-5 (B15C5) and dibenzo-18-crown-6(DB18C6) has been studied.

研究了苯并15冠5(B15C5)和二苯并18冠6(DB18C6)萃取苦味酸钪的萃取平衡。

Two ligands L~Ⅵand L~Ⅶhave been designedand synthesized containing different terminal groups and using benzo-12-crown-4 as theskeleton, and their 18 rare earth nitrate and picrate complexes also have been synthesizedand characterized.

第二章：以五种不同种类水杨酰胺为功能末端基设计合成出以苯并-15-冠-5为骨架的配体L~Ⅰ～L~Ⅴ，并合成了其稀土硝酸盐和苦味酸盐的10个系列共51个稀土配合物。

In this study, new benzo[l,2,3]thiadiazole derivatives were designed according to relationship of structure and efficacy. The 9 novel compounds were synsthesized with following reactions. The chlorine atom in 2-chloro-3,5-dinitro-benzoic acid as beginning raw material was substituted by 2-methylpropane-2-thiol, esterified then with bromoethane, reduced by iron powder and cyclized to obtain ethyl benzo[l,2,3]thiadiazole-7 after diazonation reation.

本论文根据苯并噻二唑诱导剂的构效关系设计了新的苯并噻二唑的结构，并合成了9个未见文献报道的化合物，合成步骤如下：采用2-氯-3，5-二硝基苯甲酸为起始原料，苯环上的氯原子被叔丁基硫醇置换，羧酸由溴乙烷酯化，硝基由铁粉还原，随后经重氮化关环生成苯并[1，2，3]噻二唑-7-羧酸乙酯。

In this master thesis work, I synthesized two new highly soluble and strongly visible-light absorbing alternating polymers using Suzuki coupling polymerization method that are based on 4,7-Bis-(3,4-dimethoxy-thiophen-2-yl)-benzo[1,2,5]thiadiazole monomers: poly2,7-(9,9-dihexylfluoren)-alt-5,5-4,7-Bis-(3,4-dimethoxy-thiophen-2-yl-benzo

在本篇硕士论文中，藉由Suzuki连结聚合法成功合成出施体与受体交替式之高分子PF-co-DMOTB及PC-co-DMOTB，合成之两种高分子对一般溶剂具良好的溶解性，UV吸收光谱亦可发现其对可见光有良好的吸收。

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。