【化】 亚硫酸。
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The use of sulphurous acid in the manufacture of apple juice is prohibited.
硫磺酸,是不是目前在使用,硫磺酸在制造苹果汁的中是禁止的。
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The result shows that after the plants were sprayed with phosphate buffer, they had an obvious protective function to the harm caused by sulphurous acid.
结果表明,植物经磷酸缓冲液处理后,对亚硫酸伤害具有明显的防护作用。
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The chromatropic acid and magenta sulphurous acid methods for the formaldehyde determined by spectrophotometry are studied in this paper, and the two methods are compared.
本文研究了分光光度法测定甲醛中的变色酸法和品红亚硫酸法,同时对这两种方法进行了比较。