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乙酸乙酯

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The herbicides in the sample was extracted with ethyl acetate. The extract was decanted into a flask through a filter paper, then the filtered solution was concentrated to dry. The dry sample was dissolved and added to 5 mL with acetone-n-hexane (30:70, V/V). It was cleaned up by Florisil, concentrated again. The sample was dissolved and adjusted to 1mL with acetone.

匀浆后的草莓试样用乙酸乙酯进行提取,提取液经滤纸过滤后收集,再浓缩蒸干,用丙酮:正己烷(30:70, V/V)溶液溶解至5ml,经Florisil固相萃取柱净化,吹干后用丙酮定容,供气相色谱-质谱联用仪进行测定。

The solubility, UV spectrum, heat stability, light stability and antioxidation activity of extractives extracted from the bark of Pinus yunnanensis with ethyl acetatewater were studied.

乙酸乙酯-水为溶剂对云南松树皮进行提取。

Our lycopene comes from a blend of supercritically extracted lycopene-rich herbals and a proprietary tomato extract free of ethyl acetate.

我们的番茄红素来自混合supercritically提取番茄红素丰富的草药和专有的番茄提取物免费乙酸乙酯

Ethyl acetate ; yellow iron oxide pigments ; surface modification

乙酸乙酯;铁黄颜料;表面改性

Results: The polymer taking MAA as functional monomer and acetic ether as solvent obtained higher selectivity for desloratadine.

结果:研究表明,采用MAA为功能单体,以乙酸乙酯做溶剂合成的地氯雷他定MIP对模板分子的结合性最佳。

To synthesize aryl pyrimidines by taking benzene, methyl benzene ,acetic ether,1,2-dichloroethane as solvent,the yield and purity of the product are high by taking methyl benzene as solvent.

分别选用苯、甲苯、乙酸乙酯、二氯乙烷作为溶剂合成桂皮酰哌啶,结果表明甲苯作为溶剂时产品纯度高,收率高,可用于大规模生产。

In this thesis, the design, synthesis and application of substituted 1,8-naphthalimides and napthopyrones conjugated with uridine, substituted 1,3,5-triazine, 1,2-dibromoethane, ethyl bromoacetate have been studied.

本论文研究了取代l,8-萘酰亚胺和萘并吡喃酮与尿苷、取代均三嗪、二溴乙烷、溴乙酸乙酯偶合和双l,8-萘酰亚胺之间偶合的设计、合成及应用。

Tamarillo phenolics in EA layer also exhibited stronger or compatible inhibitory activity than DL-?

乙酸乙酯层中树番茄酚类化合物在相同浓度及作用条件下,表现出比正对照组DL-?

In addition, we also can directly add n-BuLi or Mg powder into Cp2ZrCl2 THF solution, followed by addition of 1-azadiene, ethylacetate or DMF to produce pyrroles after hydrolysis.

另外,我们也可直接使用有机锂或镁粉还原Cp2ZrCl2,再加入单氮二烯,乙酸乙酯或DMF,水解后亦可直接产生比咯化合物。

Insertion of ethylacetate or DMF into 1-zircona-2-azacyclopent-3-ene complexes at 50 oC affords pyrroles in moderate yield when they quenched with KOH aqueous.

1-锆-2-氮-环戊-3-烯错合物在室温下可与乙酸乙酯或DMF进行插入反应,经由氢氧化钠水溶液水解后,可得到不错产率的比咯。

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We are in a real jam.

我们的麻烦大了。

Hey, it's Ahmet from India, that foreign exchange guy.

看,那是印度的阿曼特,国际交换生

Because you can make victims of a hypothetical, what is there for not matter.

因为你能对一个灾民作假设,还有什么作不出的事。