...便保护毛皮毛皮浸泡盐水中使皮变软阻止细菌作工人些工人称削肉工(fleshers)皮革里附皮上肉脂肪刮掉毛皮放装钾矾(potash alum)铵铝矾(ammonia alum)盐酸洗槽(pickling bath)中再加上盐酸(hydrochloric acid)硫磺酸(sulfuric acid)分解盐使毛皮不透明...
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A ... polyvinyl alcohol(PVA) floccule 聚乙烯醇絮状物 potash alum 碳酸钾铝 potassium acetate 醋酸钾 ...
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同义词: alum potassium alum
以上来源于: WordNet
The principle and process of producing potassium-nitrogen compound fertilizer and aluminium hydroxide from potash alum are studied. Some problems are solved through the pilot test.
利用四川某含钾岩石制得的钾明矾进一步制备硫酸型钾氮肥和氢氧化铝,从原理、工艺等方面进行探讨,并通过中试解决了工业化生产所出现的问题。
In potash it turns black, but in alum nothing happens until you bring it to the boil, then purple colour comes flooding out.
在碳酸钾中,它变成黑色,而在明矾中一开始却什么反应都没有,直到煮沸后紫色都溢出来了。
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