thiourea

Diphenyl thiourea is an important intermediate of medicine and dyestuff.

二苯硫脲是重要的醫藥和染料的中間體.

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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從銅陽極泥中浸取金的方法.

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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.

通過4-氯苯氧乙酸 、 2,4-二氯苯氧乙酸與硫氰酸鉀反應合成取代苯氧異硫氰酸酯,再分別與 5- 氨基 -1,2, 3, 4- 四氮唑發生親核加成反應,合成了2種未見報道的?；螂逖苌?

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

利用尿素和硫化氫等原料制備硫脲, 提出了尿素 - 氰氨化鈣法新工藝.

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

另外,沉積層的擇優取向不隨硫脲濃度的變化而改變.

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

實驗結果表明:硫脲分子傾斜吸附在銀表面.

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

研究了硫脲與雙氧水水溶劑法制備甲脒亞磺酸的反應.

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

研究了金在堿性硫脲溶液中陽極溶解的電化學行為及動力學.

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

在此基礎上,進一步優化維綸基牛奶纖維雙漂工藝,發現雙氧水→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.

雙氧水氧化硫脲合成二氧化硫脲的反應是一強放熱反應,副反應多,收率不高.

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