巯基

The hepatocytes from vitamin E deficience rats were more sensitive to the toxicity of TNT, and supplement of vitamin E, treatment of desferrioxamine and dithiothreitol could prevent hepatocytes from toxicity of TNT.

明显降低TNT对肝细胞的毒性，其中尤以二硫苏糖醇的效果最为明显，这些结果从另一方面证实了，自由基反应，脂质过氧化过程和由此引起的细胞内巯基耗竭是TNT毒作用的重要环节。

Similar reaction was observed in the case of poly(N, N-dimethylaminoethyl methacrylate) and poly.

同时我们也提出了一种制备端基巯基的PMMA的实用方法。

A series of 3-naphthyl-2--1,3-thiazolidin-4-ones were synthesized by the three-component one-pot cyclocondensation of naphthylamine, aromatic aldehyde and 2-mercaptoacetic acid using a microwave-assisted method in the presence of DMAP/DCC.

利用微波促进的多组分一锅法，在封管条件下，以萘胺、芳醛和巯基乙酸为原料，4-二甲氨基吡啶/N，N'-二环已基碳二亚胺为催化剂，合成了系列新的噻唑烷酮衍生物，该反应具有时间短、操作简便等优点。

This research suggests that free radical may increase in pneumonia and diarrhea that wastes the sulfhydryl substances.

提示腹泻和肺炎时自由基产生可能增加，从而消耗了巯基物质。

Disulfide bridge In PROTEINS, a covalent bond formed between the sulfhydryl groups of different cysteine molecules.

二硫桥：在蛋白质中两个半胱氨酸残基的两个巯基之间形成的共价键。

Mercury exposure induced total sulfhydryl content a 2-fold increase in the infant liver and kidneys compared with control group.

汞暴露组仔鼠肝脏和肾脏中筑基含量比对照组升高了2倍，而脑区中汞暴露组巯基含量与对照组相比则降低至

N-bromosuccinimide and N-ethylmaleimide were used to modify the trptophan residues and sulfhydryl groups respectively in the main component α-Ⅲ of A.

4041α-淀粉酶的主要组分α－Ⅲ的色氨酸残基和巯基进行修饰。

A series of acrylic resins were synthesized by using ditertiary butyl peroxide as a free radical initiator and 2-mercaptoethanol as a chain transfer agent.

以过氧化二叔丁基为自由基引发剂、巯基乙醇为链转移剂，合成了高固体分、低粘度的羟基丙烯酸树脂，其粘度在1000mPa·s以下，固体分高达65%～70%。

Ten novel derivatives of 1-phenyl-5-[5-(substituted anilinocarbonylmethylthio)-4-phenyl-1,2,4- triazol-3-ylmethylthio]-tetrazole were synthesized rapidly in high yields by the reaction of N--2-chloryacetanilide (3) with 1-phenyl-5-(5-mercapto-4-phenyl-1,2,4-triazol-3-ylmethylthio)-tetrazo- le (2) under microwave irradiation and phase transfer catalysis conditions.

采用微波和相转移催化法通过1-苯基-5-(4-苯基-1，2，4-三唑-5-巯基-3-甲硫基)四唑(2)与2-氯乙酰芳胺(3)反应高效、快速地合成了10种尚未见文献报道的1-苯基-5-[5--4-苯基-1，2，4-三唑-3-甲硫基]四唑。其结构经IR，1HNMR，13CNMR和元素分析表征。生物活性实验结果表明，该类化合物在较低浓度下部分化合物对小麦芽有很好的促进作用

In order to obtain versatile ulitity of host molecules, three new chiral calix [4] crown ethers containing aza, thio atoms bearing two chiral sites provided by -cysteine ester were synthesized by the condensation of calix [4] arene diacid dichloride with oligoethylene glycol bridged bis-amino acid methyl ester. All new compounds were characterized by NMR, MS and elemental analysis.

以-半胱氨酸为手性源，利用多甘醇二氯醚在碱性条件下对半胱氨酸巯基进行烷基化反应，成功地合成了多甘醇醚链桥联的半胱氨酸衍生物，醚化反应后，在高度稀释条件下与对叔丁基杯[4]芳烃二乙酰氯进行双功能基缩合反应成功地合成了新型的手性杯[4]含氮、硫杂冠醚，并利用〓H NMR、MS等谱图手段对其结构进行了表征。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。