• 采用乙醚萃取提取大蒜,并研究了大蒜油抑菌作用

    In this paper, the garlic oil was prepared by extraction with aether as solvent. At the same time, the antibacterial effect of garlic oil on Trichoderma spp. and Rhizopus spp. was studied.

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  • 本品为黄色油状液体燃烧溶于乙醇乙醚有机溶剂,搅拌乳状。

    Yellow and oily liquid. It can be ignited. Easy soluble in liquid solvent such as ethanol and ether. Under strong stirring it looks like emulsion when mixing with water.

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  • 方法收集活体达乌尔黄鼠及其窝巢,置乙醚汽油将鼠一并熏,捡蚤;

    Methods:To collect living Citellus dauricus with nest, placed in the fuming-mouse tank, rats and fleas were fumed to the death in ther or petrol without exception, and then collected the fleas.

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  • 讨论了硝化棉脱水酒精水分含量以及乙醚加入药粒收缩率的影响

    The effects of NC dry weight, the water contents of dehydrated NC and centrifugal alcohol dehydrated NC and ether added quantity on the contracting percentage of grains have also been discussed.

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  • 确立有机溶剂提取海藻中的生长素乙醚萃取层析法对生长素进行分离纯化方法

    The method of extracting the auxin in seaweeds with organic solvent, separating and purifying the auxin by ether extraction method and column chromatography has been established.

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  • 方法头红石油乙醚乙酸乙酯、乙醇热水粗提取物分别进行体外抗氧化和抑菌试验

    Method the extracts of petroleum ether, ether, ethyl acetate, ethanol and hot water from the whole plant were used to determine the in vitro miti-oxidant and antibacterial activity.

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  • 通过乙醚乙酸乙酯萃取可得到极性不同组分。分析表明,各级分的分子量分布范围不同相对较

    Various fractions of tannins with different polarities and relatively narrow molecular weight distribution were obtained by extractions using ether and ethyl acetate sequently .

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  • 乙醚溶液制得聚苯乙烯甲基甲基丙烯酸甲酯反应不能分离出聚甲基丙烯酸甲酯及它的接共聚物。

    Neither polymethylmethacrylate nor polymethylmethacrylate-grafted copolymer could be isolated by the reaction of polystyrene methylene lithium prepared in ether solution with methyl methacrylate.

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  • 性状深绿色结晶结晶粉末青铜光泽气味,溶于乙醇氯仿;不溶于乙醚水溶液蓝色

    Porperties:Bottle green crystal or crystalline powder, with gunmetal shine, without smell, solve in water, ethanol and chloroform, insolve in aether, water liquor is blue.

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  • 密苏里州立大学外部官员认为乙醚燃料可能使美国农业产生最大变化因为已经有农民开始种植大豆了。

    The university of Missouri extensional offical says enthanol could bring the biggest change in the American agriculture since farmers began planting soybeans.

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  • 不同有机溶剂(乙醚丙酮乙醇)处理苦瓜叶片,用超敏感sds - PAGE电泳进行蛋白质分析。

    The leaves of Balsam pear were disposed with different organic solutions, which were ether, acetone and ethanol, after that, analyse of proteins by supersensitive silver stain SDS-PAGE method.

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  • 研究采用石油乙醚甲醇溶剂梯度提取多种柱法,对栽培橘黄裸伞子实体进行了化学研究

    The cultural fruiting bodies of the Gymnopilus spectabilis were phytochemical investigated using layer extracts with petroleum ether, diethyl ether, methanol and water and silica gel chromatography.

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  • 乙醚提取能量所谓'乙醚物理学',基于宇宙'物质充满著',固定不变、永久运转

    Extracting energy from the aether, and the so called 'aether physics', is based on the cosmos being' all filled with substance ', which is in constant, perpetual motion.

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  • 沥青属于憎水性材料不透水也几乎溶于丙酮乙醚乙醇溶于二硫化四氯化碳氢氧化钠

    Asphalt is hydrophobic material, it impermeable, almost insoluble in water, dilute ethanol, acetone, ether, soluble in carbon disulfide, carbon tetrachloride, sodium hydroxide.

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  • 本品白色浅黄色结晶粉末,易溶于乙醚氯仿二甲苯甲苯氢氧化钠水溶液,溶于乙醇,微溶于水。

    DBM is white or light yellow crystalline powder, soluble in ether, chloroform, xylene, toluene and sodium hydroxide solution, slightly soluble in ethanol, very slightly soluble in water.

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  • 白色易吸湿粉末愉快气味可燃无毒比重1.095,溶于乙醇乙醚,溶于普通溶剂

    It is white flammable nontoxic powder with good smell and with specific gravity of 1.095. It can dissolve in hot common solvent and acid, but not in water, ethanol or aether.

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  • 结果RP - HPLC法测定乙醚萃取血浆中冬草甲素保留时间稳定标准曲线线性良好,结果准确、可靠

    Results To determine the Oridonin extracted from diethyl ether of plasma by RP-HPLC method, the retention time was stable, the linear curve fitted well, and the results were accurate and reliable.

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  • 采用80%酸性乙醇提取硅胶柱层析分离乙醚分级沉淀、丙酮重结晶的工艺方法,参中分离得到氧化槐果碱单体

    Besed on the extract with 80% acidities alcohol, separation by silica gel, precipitation by ether, oxysophocarpine was obtained from Sophora flavescens.

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  • 菜油脚经离心分离出中性油,通过真空脱水乙醚提取制得某油磷脂磷脂含量达74.90%,产率为30.87%。

    The precipitate was vacuum dehydrated, and then phospholipids were extracted with ethyl ether. having 74. 90% of the phospholipids; its productivity is 30. 87%.

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  • 测得其包封率分别为22.7%21.6%,结论乙醚注入和薄膜分散法两种制备工艺所得的利多卡因质体明显区别

    The per- centage of apparently entrapped lidocaine were 22.7% and 21.6% respectively. Conclusion There were no obvious differences between liposomes prepared through the two methods.

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  • 止咳祛痰平喘作用小鼠腹腔注射白桦树皮甲醇乙醚酸性乙醇提取物以及乙醚析出物,都有一定的止咳作用。

    Arresting cough, expectorant and anti-asthmatic effects. Intraperitoneal injection of water, methanol, ether and acid ethanol extracts of hua shu PI possesses anti-cough effect in mice.

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  • 本实验利用三种不同提取方法,分别改良CTAB法、CTAB -乙醚萃取法、简易法提取板栗不同部位基因组dna

    Three methods including modified CTAB, CTAB-aether extraction and simplification were used to extract genome DNA from different tissues of chestnut.

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  • 研究人员使用的方法是将咖啡隔夜使干燥然后放入一些常见化学溶剂中例如正己烷乙醚二氯甲烷溶解咖啡渣中的油类成分

    The researchers start off by drying their coffee grounds overnight and then pour in some common chemical solvents, such as hexane, ether and dichloromethane, to dissolve the oils.

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  • 物理性能硬脂,为白色轻质粉末,不溶于,溶于热的乙醇乙醚,在空气吸收水分,遇强酸分解硬脂酸和相应钙盐。

    Properties : white light powder, insoluble in water but soluble in ethanol and aether. absorbs moisture from the air. decompounds into stearate and calcium when meeting strong acid.

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  • 首先,对雪里蕻腌菜卤汁乙醚萃取浓缩液组分进行了鉴定结果发现有机酸组分8个,类组分4个,类组分2个,类组分1个芳香烃2个。

    The constituents from pickle brine extracted with ethyl ether and identified by GC MS. In the result, 8 acids, 4 alcohol, 2 nitriles, 2benzines and 1 ester were identified.

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  • 研究硫醇烯光固化组成物的反应机理,选用安息香双甲、安息香乙醚、安息香正醚、二苯甲酮噻吨酮光敏剂红外光谱法研究了硫醇烯光化学反应动力学

    The kinetics of thiol-ene reaction is studied by Fourier Transform Infrared when benzoin dimethyl ether, benzoin ethyl ether, benzoin butyl ether, benzophenone and ITX were used as photosensitizer.

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  • 采用台盼蓝法研究了桔黄乙醚提取物乙醇提取物液体培养菌丝及培养液混合物人乳腺癌细胞(MCF - 7)的存活率和对其DNA 合成的影响。

    Inhibition of the alcohol extract, ether extract and the mixture of liquid cultured hypha and culture liquid from Gymnopilus spectabilis to MCF-7 is studied in this paper.

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  • 结果色谱条件下11不同丹参药材中乙醚有效部位RP-HPLC指纹图谱检出11个相对位置稳定的色谱,其中确定出9个共有作为定性鉴别的指标峰;

    Results: Under the qualitative conditions, the 9 common peaks in RP - HPLC fingerprint of the effective part from 11 different samples can be used as index peaks for qualitative i-dentification.

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  • 结果色谱条件下11不同丹参药材中乙醚有效部位RP-HPLC指纹图谱检出11个相对位置稳定的色谱,其中确定出9个共有作为定性鉴别的指标峰;

    Results: Under the qualitative conditions, the 9 common peaks in RP - HPLC fingerprint of the effective part from 11 different samples can be used as index peaks for qualitative i-dentification.

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