结果表明，三种包装袋对抑制酸价升高的作用不大。
Results show that three materials have little effect of inhibiting the raise of acid number.
从磺基水杨酸与三价铁离子配合物的组成及稳定常数测定实验入手，探讨了化学实验中的教学技巧问题。
By determining the composition and stable constants of sulphuric iron salicylate, this article probes into the teaching skills in chemistry experiments.
一般油炸食品企业，在使用煎炸油两三天后，油已变黑变稠，酸价超标，不得不废弃。
Generally Fried food enterprises, in the use of two or three days later, the frying oil has thickened oil has black, acid value exceeds bid, have to be scrapped.
三价甲基胂酸可能是导致砷遗传毒性的关键物质，砷的代谢转化过程可能存在遗传毒性和致癌的早期关键事件。
Critical incident at early stage that causes genotoxicity and cancer may exist in the process of metabolism of inorganic arsenic.
三价甲基胂酸可能是导致砷遗传毒性的关键物质，砷的代谢转化过程可能存在遗传毒性和致癌的早期关键事件。
Critical incident at early stage that causes genotoxicity and cancer may exist in the process of metabolism of inorganic arsenic.
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