硫脲

Acetamide and thiouera had the parallel effect with GdnCl on the renaturation of lysozyme , both of them were able to prevent the aggregation of peptide, and at the high concentration they were able to restrain the refolding of peptide , but the structure of lysozyme under experiment condition could not be destroyed by them.

乙酰胺和硫脲则起着和盐酸胍近似的作用，能够抑制肽链间的聚集和肽链内的折叠，但是两者在本实验浓度内不能使溶菌酶变性。

Fourth new aryl acyl ureas of triazole, tetrazole and thiodiazole have been synthesized.

合成了30个新的含三唑、四唑和噻二唑的芳酰基硫脲类化合物。

For the synthesis of NHC precursors, there are also several routes: condensation of glyoxal, amines and paraformaldehyde; alkylation of imidazole or monosubstituted imidazole with alkyl halide; annulation of ortho esters and 1,2-diamines; ring closure of hydrazines or amides with acetic anhydride; reduction of thiones with Na/K in THF.

关于N-杂环卡宾前体的合成途径主要有：乙二醛、伯胺和多聚甲醛的缩合反应；卤代烷与咪唑及其取代咪唑的烷基化反应；原甲酸酯与1，2-二胺的成环反应；肼或酰胺与酸酐的环化反应；用Na/K对环硫脲化合物的还原反应。

The study has provided a theory foundation with which we could study the practical production technology of leaching Ag from argentite in acid thiourea system.

该研究为硫脲法从辉银矿中浸出银的实际生产工艺研究提供相应的理论基础。

Thiourea and its derivate have an important performance in the analyses of precious metals.Their application to photometric analysis,electrochemical methods,atomic absorption spectroscopy,separation and enrichment of precious metals have been concerned.The related research and development since 1980 have been reviewed.

马媛硫脲及其衍生物(R-NH-CS-NH-R′)以其独特的分子结构在贵金属分析中一直占有重要位置，它们在贵金属的光度分析、电化学分析、原子吸收光谱分析和分离富集等领域中的应用一直为人们所关注，本文重点评述1980年以来相关的研究与发展。

Alteration and modification on two-dimensional electrophoresis in Arabidopsis thaliana , such as improvements in protein extraction, lyses buffer, adding thiourea, provide a better separation result. This paper has an optimism of the experimental conditions on two-dimensional electrophoresis.

通过对拟南芥双向电泳技术过程中的适当改进，如蛋白质的提取与溶解方法、上样量和聚丙烯酰胺凝胶浓度，加入硫脲，硫代硫酸钠等，对拟南芥双向电泳技术进行了优化，提高了双向电泳图谱的蛋白质点数目与分辨率。

A novel polymeric organic thermal stabilizer for PVC was designed and synthesized by acryloylthiourea grafting on polystyrene which was nitrified by HNO3 and then reducted by Sn powder to amine.

以经部分硝化和还原的低分子量聚苯乙烯为母链，利用其胺基和丙烯酰基异硫氰酸酯加成，合成了一种新型有机高分子型PVC 热稳定剂——丙烯酰基硫脲接枝聚苯乙烯，其结构经IR和元素分析表征。

The method of acidothioureation leaching (with 732 resin) for the extraction of gold from ore Containing Sulfurs and concentrate of gold was Studied.

本文报导了在硫酸酸性介质中以Fe~(3+)离子为氧化剂，用硫脲浸出，732型离子交换树脂吸附回收含硫金精矿中金的方法。

METHODS: The bile was treated with 3 different methods, including the 2D-Clean-up kit group: the bile sample was dissolved with lysis buffer (contains: 7 mol/L carbamide, 2 mol/L thiourea, ammonium persulfate with mass concentration of 0.4 g/L, 65 mmol/L dithiothreitol, carrier ampholytes with mass concentration of 0.2 g/L).

将标本分别按3种不同方法进行处理：①2D-Clean-up试剂盒处理胆汁标本：用裂解液，7 mol/L尿素，2 mol/L硫脲，质量浓度为0.4 g/L的过硫酸铵，65 mmol/L二硫苏糖醇，质量浓度为0.2 g/L的载体两性电解质溶解沉淀过夜。

The micrographs of various layers of nickel sulphur coatings were investigated by SEM.

在含有柠檬酸、硫脲和少许糖精的Watt镀液中，用电沉积的方法在镍泡沫基体上制备了镍硫合金涂层。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。