- 推荐网络例句
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In this dissertation, the major innovative conclusions are as follows: 1. Three new methods were developed for separation and determination of some active compounds in several kinds of medicines with NACE.
在水相中加入表面活性剂和有机溶剂可使被分析物范围拓宽,但仍需要求分析物在水中有足够的溶解度,这就限定了分析对象的范围。
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We must act!- Death to all defilers!
给污染者以致命一击!
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When completed before 7 weeks of pregnancy, injected methotrexate is effective in 95% to 99% of cases.
2当完成前7周的妊娠,注入甲氨蝶呤是有效的在95 %至99 %的病例 2