本文介绍了以天然沸石取代部分三聚磷酸钠(五钠)的浓缩洗衣粉(浓缩粉)配方的研究。
This paper describes the study of low phosphate style concentrate laundry powder prescription that part of the sodium tripolyphosphate is superseded by the natural zeolite.
比较了六水三氯化铁、五水四氯化锡和一水硫酸氢钠催化合成橙花素的催化活性。
Compared the catalytic activity of ferric chloride hexahydrate, stannic chloride pentahydrate and sodium bisulfate monohydrate for synthesis of nerolin bromelia.
比较了六水三氯化铁、五水四氯化锡和一水硫酸氢钠催化合成橙花素的催化活性。
Compared the catalytic activity of ferric chloride hexahydrate, stannic chloride pentahydrate and sodium bisulfate monohydrate for synthesis of nerolin bromelia.
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