查询词典 ethyl acetate
- 与 ethyl acetate 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Dioxane was selected as solvent. The linear range for methanol was 6-54mg/L for ethanol and ethyl acetate both were 10-90mg/L. The average recovery of them was 99, 36, 101.26% and 101.57% respectively.
在上述色谱条件下，甲醇的线性范围为6-54mg/L，乙醇和乙酸乙酯的线性范围为10-90mg/L；平均加样回收率分别为99.36、10l.26%和101.57%。
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Results The average recovery of Dracaena's major components reached 80% after precipitated by acetonitrile first and then extracted by ethyl acetate.
结果通过乙腈沉淀蛋白，采用乙酸乙酯进行提取，可使含药血清中龙血竭特征成分的提取率达到80%以上。
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Results The average recovery of Dracaena major components reached 80% after precipitated by acetonitrile first and then extracted by ethyl acetate.
结果 通过乙腈沉淀蛋白，采用乙酸乙酯进行提取，可使含药血清中龙血竭特征成分的提取率达到80%以上。
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Object: The antimicrobial effects of the water, 60% alcohol, 90% alcohol extract and petroleum ether, ethyl acetate, n-butanol components from Pomegranate rind against 3 kind of pathogenesis bacterial and 14 kind of epiphyte were accomplished.
目的：对石榴皮的水、60%乙醇、90%乙醇提取物以及石油醚、乙酸乙酯、正丁醇萃取物对3种细菌和14种真菌的体外抗菌试验进行了研究。
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It is the first time that the petroleum ether extract and ethyl acetate extract of Nerviliafoadii.
首次确定了青天葵的石油醚和乙酸乙酯部位是体内抗肿瘤作用的有效部位。
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ResultsPetroleum ether extract and ethyl acetate extract both had some anticancer effects in vitro.
结果青天葵石油醚和醋酸乙酯部位具有一定的体外抗肿瘤作用。
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ConclusionIt is the first time that the petroleum ether extract and ethyl acetate extract of Nervilia foadii Schltr. are proved to be the effective anticancer fractions in vitro.
结论首次确定了青天葵的石油醚和醋酸乙酯部分是体外抗肿瘤作用的有效部位。
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Results: The extracts of ethanol, petroleum ether and ethyl acetate of Rhizoma Amorphophalli have inhibitory effect on the proliferation of cell SGC-7901, and the extract of petroleum ether has much more evident effect, showed a dose-effect curve.
结果：蛇六谷醇提取物、石油醚萃取物和乙酸乙酯萃取物均具有一定的抑制人胃癌SGC-7901细胞增殖的作用，以石油醚萃取物的抑制作用最为明显，呈现较好的剂量－效应曲线。
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Objective:To study the anti tumor effects of Sorbaria sorbifolia ethyl acetate extract and its mechanism.
目的：探讨珍珠梅醋酸乙酯提取物对S180荷瘤小鼠体内的肿瘤抑制作用及机理。
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Reactive distillation for synthesizing ethyl acetate was taken as an example to demonstrate the proposed simulation and optimization methods.
以合成乙酸乙酯的反应精馏过程为例说明上述模拟和优化方法。
- 推荐网络例句
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It seems likely that Kraft will return with a better offer.
看起来卡夫要重新考虑一个更好的出价了。
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But he'd rather burn off my feelers and watch me squirm.
可他却放任那个家伙对我为所欲为！
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He consistance of the population dissociation coefficient method andthe sample dissociation coefficient method for the calculation of structural reliabilityin solid rocket motors was reviewed.
依据结构强度－工作应力理论模型，应用数理统计方法和对某团体发动机大量试验数据的实例计算，证明了总体变异系数法和样本变异系数法在结构可靠性计算中的一致性。