查询词典 hydroquinol
- 与 hydroquinol 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The optimum reaction conditions were that the molar ratio of maleic anhydride and p-nitroaniline was 1.2:1, the volume ratio of toluene and DMF was 10:1, the amination temperature was 20~30℃ the cyclization temperature was 145~150℃ and the cyclization time was 6 h over; the amount of p-toluene sulfonic acid was 12% of total reactant mass, the amount of copper sulfate was 0.1~0.5% of total reactant mass, the amount of hydroquinol was 0.1% of total reactant mass.
得到的最佳工艺条件是:n:n为1.2:1,V:V为10:1;胺化反应温度为20~30℃,环化反应温度为140~150℃,环化反应时间为6h以上;对甲基苯磺酸用量为反应物总质量的1%~2%;硫酸铜用量为反应物总质量的0.1%~0.5%;对苯二酚用量为反应物总质量的0.1%。
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The color-projection waste solution consists of waste fixing solution and waste developing solution in which there is noble metal silver and some organic such as boric acid, hydroquinol, bromides.
彩扩废液包括废显影液和废定影液。
- 推荐网络例句
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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.
。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。
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Go down on one's knees;kneel down
屈膝跪下。。。下跪祈祷
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Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.
Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。