硫代

Ex -cept the normal group, the mice in other three groups received sensitizat -ion by intraperitoneal injection of ovalbuminand challenge by inh -alation of OVA to induce bronchial asthma, The mice models of asthmaerwent with different therapy.

干预完成后，采用ELISA方法检测血清中IFN-γ水平，黄嘌呤氧化酶法检测肺组织中SOD活性，硫代巴比妥酸法测定肺组织中MDA含量。并对各组小鼠肺组织进行病理形态学观察。

In order to examine the catalytic activity of the new catalysts, we have carried out the direct asymmetric Aldol reaction of tetrahydro-4H-thiopyran-4-one with aldehydes.

催化剂的基本结构单元如下：为了检验新型有机催化剂的催化活性，我们研究了硫代四氢吡喃酮和各种醛的直接不对称Aldol反应。

High performance liquid chromatography was used to detect concentration of BP in the air of working sites and level of urinary 1-hydroxypyrene (1-OH-Py) of workers. Contents of acetylcholine in blood filtrate and activities of erythrocyte acetylcholinesterase were determined by Alky hydroxylamine chromatometry and DTNB methods, respectively.

用高效液相色谱法测定各组工作场所空气中BP的浓度，并对工人尿中1-羟基芘(1-OH-Py)的水平进行检测；分别用碱性羟胺比色法和二硫代二硝基苯甲酸法测定全血滤液中乙酰胆碱的含量和红细胞乙酰胆碱酯酶的活性。

Alkylamine reaction with dialkyl cyanodithioiminocarbonate was catalyzed by quaternary ammonium salts at room temperature to yield 3-alkylamine-5-amino-1,2,4-triazole in good quality and high yields. After imidization and reaction with an α,β-unsaturated acid derivative, the reaction intermediate was hydrolyzed in the presence of a Lewis acid to obtain the target product.

烷基胺与氰基亚胺硫代二甲酯在季氨盐催化作用下得到质量好、收率高的3-烷氨基-5-氨基-1，2，4-三氮唑，进一步经过亚胺中间体并与α，β-不饱和酸酯作用后，中间产物在Lewis酸催化作用下水解得到三唑嘧啶酮。

Starting form chitosan,amidogen protecting,cross linking,etheration,amination,amidogen release and addition reaction with CS_2,and chitosan derivative containing dithiocarbamate group was firstly prepared.

本文在课题组前期关于淀粉改性重金属捕集剂研究工作的基础上，参考国内外的相关文献，建立了以壳聚糖为主要原料制备二硫代氨基甲酸改性壳聚糖重金属捕集剂的合成工艺。

A reaction pathway for ammonolysis of O,O-dimethylphosphorochloridothioate without catalyst was proposed,based on the reaction mechanism of acyl halide ammonolysis ,and the pseudo-homogeneous reaction kinetics were founded.

模型表明：在反应前期，O，O-二甲基硫代磷酰氯浓度对速率影响很小，反应速率呈拟一级反应特征；但在反应后期，反应速率呈明显的二级反应特征。

ABSTRACT AIM: to study the antidotal mechanism of sodium dimercaptopropanesul fonate on ethyl thioethylsulfonate.

目的：研究二巯丙磺钠对乙基硫代磺酸乙酯(抗菌剂402， ethy l thioethylsulfonate，简称ET)解毒机制。

Objective To observe the effects of Astragalus injection of different doses on TAA-induced acute liver injury in rats.

目的 观察不同剂量黄芪注射液对硫代乙酰胺所致大鼠急性肝损伤的影响。

The volunteers also swallowed 11 vegetables that are bitter but lack glucosinolates, including aubergine, bitter melon and spinach.

自愿者们还吃了 11 种有苦味但不含硫代葡萄糖苷的蔬菜，包括茄子、苦瓜、菠菜。

Methods The changes of brain tissue ET, malonicaldehyde and excitatory amino acids and possible actions of anti-ET serum in 7 neonatal rats with hypoxic-ischemia and 8 control rats were observed by RIA, TBA and amino acid autoanalysis.

应用放射免疫法、硫代巴比妥法及氨基酸自动分析法观察：（1）正常鼠（n=7）及低氧缺血新生鼠（n=8）不同脑组织内皮素的变化。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐