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Result: It has been found out that the fat-soluble nonsaponified extract from Temminck et Schlegel and the alcoholic extract from Syngnathus acus have cytotoxic activities.The nonsaponified extract from Temminck et Schlegel can inhibit the grouth of cancer cell strains KB,Hela,PAA,K562,and Bcap37,and the alcoholic extract from Syngnathus acus can inhibit the growth of cancer cell strin KB,But Bloch shows no apparent anticancer activity.
结果:尖海龙的95%乙醇提取物对KB细胞的生长具有抑制作用,并呈量效关系;粗吻海龙的脂溶性非皂化物具有不同程度的抑制人癌细胞株KB,Hela,Bcap37,K562,PAA细胞的作用,并有明显的量效关系;拟海龙的各提取物未见有明显的抑制肿瘤细胞生长的作用。
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The preparing process is described as follows:(1) the raw materials are dispersed in the solvent;(2) the solution is arranged between two electrodes;(3) alternating current with a voltage of 5 V-100V and a frequency of 10Hz-1000Hz is applied to both ends of the electrodes for 5minutes to one hour;(4) the product obtained after being washed with deionized water and pump filtrated or after centrifugal treatment is dried by being heated to 40 centigrade to 100 centigrade to get the nanometer grain, wherein the raw materials in the first step are micrometer materials or nanometer materials such as sulphide, selenide, telluride and oxide; without special requirement on shape or appearance, the materials can be in the shape of a rod, a fork, a star, a block or a sphere; the solvent in the first step can be water, ethanol, acetone, benzene or tetra chloromethane.
步骤为:1将原料分散于溶剂中;2使制成的溶液处于两电极之间;3在电极两端的加交流电,电压为5V-100V,频率为10Hz-1000Hz,时间为5min-1h;将产物用去离子水洗涤、抽滤,或进行离心处理后;4将所得到产物加热到40~100℃进行干燥,得到纳米颗粒。步骤1中原料为硫化物、硒化物、碲化物、氧化物等微米或纳米材料,其形貌不限,可以为棒状、枝状、星状、块状、球形等多种形状。步骤1中的溶剂可以为水、乙醇、丙酮、苯或四氯化碳。
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Experimental process: jing and 3- methyl -2- methyl ethyl ketonesynthesizes by the benzene zong; Again the glacial acetic acidcatalysis produces 2, 3, 3 - trimethyl - 3H - yinduo; Again has thealkylate response production yinduo iodide after the methyl iodide;The iodide takes off molecular HI under NaOH to become freejier thealkali; Adds 5 - nitryls salicylic aldehydes in the ethyl alcohol forthe solvent under if to respond finally produces 6 '- the nitryl yinduolin spiral benzene and pinan; Through the infrared spectrum andthe ultimate analysis irrevocably proved its structure, and studiedthe annulus with to open the annulus the light to send changes colorthe performance, explained in different solvent medium ultravioletabsorption spectrometry solvent effect, and the comparisondiscoloration the response speed number difference, finally mixed itadds to the methyl methacrylate, the peroxidation benzoin formyl in the plexiglass, tested 6 '- the nitryl yinduolin spiralbenzene and pinan in the glass fatigue resistance, thethermostability.
实验过程:由苯肼和3-甲基-2-丁酮合成腙;再冰醋酸催化生成2 ,3 ,3—三甲基—3H—吲哚;再经过碘甲烷发生烷基化反应生成吲哚碘化物;碘化物在NaOH下脱去一分子HI成为费歇尔碱;在乙醇为溶剂下加5-硝基水杨醛与其反应最后生成6'—硝基吲哚啉螺苯并吡喃;通过红外光谱和元素分析确证其结构,并研究了环体与开环体的光致变色性能,解释了在不同溶剂介质中紫外吸收光谱的溶剂效应,并比较褪色反应速率数的差异,最后将其掺加到甲基丙烯酸甲酯,过氧化二苯甲酰有机玻璃中,测试6'—硝基吲哚啉螺苯并吡喃在玻璃中的抗疲劳性、热稳定性。
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The optimal conditions of the process has been studied by Latin square experiments.
乙醇中采用银盐和碘化物制备碘化银纳米微粉,用拉丁方格实验法确定合成过程中的适宜条件。
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The crystal structure of 4,4'- biphenyldicarboxylic acid ethanol solvate, viz.(H2 bpa), has been determined by X-ray single-crystal diffraction technique at room temperature.
利用X-射线单晶衍射技术在室温下测定了4,4'-联苯二甲酸乙醇溶剂化物(H2 bpa)的晶体结构。
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Properties: colorless needle-like crystals, melting point 105 ~ 106 ℃, optical rotation +51 °(c = 0.978, chloroform), other reports shows that by ethanol recrystallization the melting point 104 ~ 105 ℃, methanol re - the formation of solvate crystal melting point 84 ℃.it is Soluble in acetone, chloroform, insoluble in ether, petroleum ether, insoluble in water.
性质:无色针状结晶,熔点105~106℃,旋光度+51°( c=0.978,氯仿),还有报道经乙醇重结晶熔点104~105℃,经甲醇重结晶形成的溶剂化物熔点84℃。易溶于丙酮、氯仿,难溶于乙醚、石油醚,不溶于水。
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Cycloalkylation of diethyl malonate and ethyl cyanoacetate with alkyl halide was investigated in the presence of toluene.
以甲苯为溶剂及带水剂,用粉末K2CO3代替常规使用的乙醇钠,在季铵盐和聚乙二醇混合相转移催化剂的存在下,含有活泼氢的丙二酸二乙酯和氰乙酸乙酯与二卤代物进行缩合反应,得到相应的环化物。
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Lianghe turpentine relative density, refractive index, initial boiling point, distillation range size, optical activity and chemical composition as well as the softening point, acid value, unsaponifiable matter content, ethanol insoluble matter, ash, optical activity and chemical composition and other physical and chemical characteristics of rosin gum were studied.
研究梁河脂松节油的相对密度、折光率、初馏点、馏程体积、旋光度和化学组成以及脂松香的软化点、酸值、不皂化物含量、乙醇不溶物、灰分、旋光度和化学组成等物理和化学特征。
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This work may also provide an analysis tool for the performance of anodes in DEFC as well as DBFC.
本工作也可为直接乙醇燃料电池、直接硼氢化物燃料电池阳极的理论分析提供参考。
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In this thesis, nano-scale particles of metals, metal sulfides, selenides, oxides and nano-composites of metals/polymer, semiconductor sulfides/polymer have been successfully prepared by γ-ray irradiation technique in sorts of systems including water system, alcohol system, ethylenediamine system, microemulsion and emulsion system at room temperature and under ambient pressure. The possible formation mechanisms of nano-scale materials were suggested, and some factors of affecting the formation of nano-materials were studied.
本论文使用〓Co-γ射线辐射技术,在常温常压下分别于水体系、乙醇体系、乙二胺体系、微乳液和乳液体系中,成功地制备了纳米金属、硫化物、硒化物、氧化物以及金属/聚合物、半导体硫化物/聚合物纳米复合材料,并初步探讨了纳米材料形成的可能机理和影响因素。
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ethylate:乙醇化物
乙醇胺 ethanolamine | 乙醇化物 ethylate | 乙醇脫氫酶 alcohol dehydrogenase