乙酸乙酯
- 与 乙酸乙酯 相关的网络例句 [注:此内容来源于网络,仅供参考]
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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。
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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.
以乙酸乙酯-水为溶剂对云南松树皮进行提取。
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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。
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Ethyl acetate ; yellow iron oxide pigments ; surface modification
乙酸乙酯;铁黄颜料;表面改性
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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。
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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。
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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。
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Tamarillo phenolics in EA layer also exhibited stronger or compatible inhibitory activity than DL-?
於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-?
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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。
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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。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力