thiourea

Diphenyl thiourea is an important intermediate of medicine and dyestuff.

二苯硫脲是重要的医药和染料的中间体.

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This paper made study on gold extraction by leaching copper anode mud with acidic thiourea solution.

本文研究了用酸性硫脲溶液从铜阳极泥中浸取金的方法.

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Two new compounds , N � � - tetrazolyl - N - substitutedphenoxy acetyl thiourea were synthesized by addition reaction of substitutedphenoxy acetylisothiocyanates with 5 - amino - 1,2, 3,4 - tetrazole.

通过4-氯苯氧乙酸 、 2,4-二氯苯氧乙酸与硫氰酸钾反应合成取代苯氧异硫氰酸酯,再分别与 5- 氨基 -1,2, 3, 4- 四氮唑发生亲核加成反应,合成了2种未见报道的酰基硫脲衍生物.

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A new process, urea - calcium cyanamide method, for producing thiourea from urea and hydrogen sulfide is proposed.

利用尿素和硫化氢等原料制备硫脲, 提出了尿素 - 氰氨化钙法新工艺.

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The preferred orientation of settled nickel layer didn't change with the concentration of thiourea.

另外,沉积层的择优取向不随硫脲浓度的变化而改变.

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The results show that the thiourea molecules are inclined to adsorbed on the silver surface.

实验结果表明:硫脲分子倾斜吸附在银表面.

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Preparation of formamidine sulphonic acid with thiourea and hydrogen peroxide by aqueous solvent process was researched.

研究了硫脲与双氧水水溶剂法制备甲脒亚磺酸的反应.

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Electrochemical behavior and kinetics of gold dissolution in alkaline thiourea solution have been investigated electrochemical techniques.

研究了金在碱性硫脲溶液中阳极溶解的电化学行为及动力学.

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And it was found that the best combined bleaching process it is hydrogen peroxide → thiourea dioxide.

在此基础上,进一步优化维纶基牛奶纤维双漂工艺,发现双氧水→二氧化硫脲漂白法效果最佳.

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There are a quantity of heat released when preparing thiourea dioxide from thiourea and hydrogen peroxide.

双氧水氧化硫脲合成二氧化硫脲的反应是一强放热反应,副反应多,收率不高.

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