Diphenyl thiourea is an important intermediate of medicine and dyestuff.
二苯硫脲是重要的醫(yī)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(yīng)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(fā)生親核加成反應(yīng),合成了2種未見報(bào)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(yōu)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(shí)驗(yàn)結(jié)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(yīng).
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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(xué)行為及動(dòng)力學(xué).
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And it was found that the best combined bleaching process it is hydrogen peroxide → thiourea dioxide.
在此基礎(chǔ)上,進(jìn)一步優(yōu)化維綸基牛奶纖維雙漂工藝,發(fā)現(xiàn)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(yīng)是一強(qiáng)放熱反應(yīng),副反應(yīng)多,收率不高.
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