采用乙醚萃取法提取了大蒜油,并研究了大蒜油对木霉和根霉的抑菌作用。
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.
本品为黄色油状液体,可燃烧,溶于乙醇、乙醚等有机溶剂,与水强搅拌下易呈乳状。
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.
方法:收集活体达乌尔黄鼠及其窝巢,置熏鼠桶用乙醚、汽油将鼠蚤一并熏死,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.
讨论了硝化棉干量、脱水棉及酒精驱水棉的水分含量以及乙醚加入量对药粒收缩率的影响。
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.
确立了以有机溶剂提取海藻中的生长素,以乙醚萃取法和柱层析法对生长素进行分离纯化的方法。
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.
方法对楮头红的石油醚、乙醚、乙酸乙酯、乙醇和热水的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.
通过乙醚和乙酸乙酯萃取可得到极性不同的组分。分析表明,各级分的分子量分布范围不同,且相对较窄。
Various fractions of tannins with different polarities and relatively narrow molecular weight distribution were obtained by extractions using ether and ethyl acetate sequently .
在乙醚溶液制得的聚苯乙烯次甲基锂与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枝共聚物。
Neither polymethylmethacrylate nor polymethylmethacrylate-grafted copolymer could be isolated by the reaction of polystyrene methylene lithium prepared in ether solution with methyl methacrylate.
性状:深绿色结晶或结晶性粉末,带青铜光泽,无气味,溶于水、乙醇、氯仿;不溶于乙醚,水溶液为蓝色。
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.
密苏里州立大学的外部官员认为乙醚燃料可能使美国农业产生最大的变化,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.
不同有机溶剂(乙醚、丙酮、乙醇)处理苦瓜叶片,用超敏感银染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.
本研究采用石油醚、乙醚、甲醇、水溶剂梯度提取法和多种柱层析法,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.
从乙醚提取能量,和所谓的'乙醚物理学',是建基于宇宙是全被'物质充满著',那是固定不变、永久的运转。
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.
沥青属于憎水性材料,它不透水,也几乎不溶于水、丙酮、乙醚、稀乙醇,溶于二硫化碳、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.
本品为白色或浅黄色结晶粉末,易溶于乙醚,氯仿,二甲苯,甲苯及氢氧化钠水溶液,微溶于乙醇,极微溶于水。
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.
白色易吸湿粉末,有愉快气味,可燃、无毒,比重1.095,不溶于水、乙醇、乙醚,溶于热的普通溶剂和酸。
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.
结果RP - HPLC法测定乙醚萃取的血浆中冬凌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.
采用80%的酸性乙醇提取、硅胶柱层析分离、乙醚分级沉淀、丙酮重结晶的工艺方法,从苦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.
菜油脚经离心分离出中性油,再通过真空脱水,乙醚提取制得某油磷脂,其磷脂含量达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%.
测得其包封率分别为22.7%和21.6%,结论乙醚注入法和薄膜分散法两种制备工艺所得的利多卡因脂质体无明显区别。
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.
止咳、祛痰与平喘作用。小鼠腹腔注射白桦树皮的水、甲醇、乙醚及酸性乙醇的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.
本实验利用三种不同提取方法,分别是改良CTAB法、CTAB -乙醚萃取法、简易法提取板栗不同部位的基因组dna。
Three methods including modified CTAB, CTAB-aether extraction and simplification were used to extract genome DNA from different tissues of chestnut.
研究人员使用的方法是将咖啡渣隔夜使其干燥,然后放入一些常见的化学溶剂中,例如正己烷、乙醚和二氯甲烷,来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.
物理性能:硬脂酸钙,为白色轻质粉末,不溶于水,溶于热的乙醇和乙醚,在空气中吸收水分,遇强酸分解成硬脂酸和相应的钙盐。
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.
首先,对雪里蕻腌菜卤汁的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,醇类组分4个,腈类组分2个,酯类组分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.
为研究硫醇烯光固化组成物的反应机理,选用安息香双甲醚、安息香乙醚、安息香正丁醚、二苯甲酮和噻吨酮为光敏剂,用红外光谱法研究了硫醇烯的光化学反应动力学。
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.
采用台盼蓝法研究了桔黄裸伞的乙醚提取物、乙醇提取物和液体培养的菌丝及培养液的混合物对人乳腺癌细胞(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.
结果:在色谱条件下,11份不同丹参药材中乙醚有效部位的RP-HPLC指纹图谱中可检出11个相对位置稳定的色谱峰,其中确定出9个共有峰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.
结果:在色谱条件下,11份不同丹参药材中乙醚有效部位的RP-HPLC指纹图谱中可检出11个相对位置稳定的色谱峰,其中确定出9个共有峰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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