乙醇溶液
- 网络Ethanol solution;Alcohol;LA-EtOH
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为制备出适用于电子墨水的白色电泳颗粒,采用控制正硅酸乙酯在氨水-乙醇溶液中的水解来合成SiO2颗粒。
In order to prepare white electrophoretic particles , SiO_2 particles were prepared by hydrolysis of ethyl orthosilicate in ammonia / alcohol solution .
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新鲜或烘干的荠菜用75%的乙醇溶液,加入4%的NaOH,在80℃下提取总黄酮为最理想的条件。
The optimum extracting condition of total flavone was : fresh or drying leaf was added 75 % alcohol , then 4 % NaOH , at 80 ℃ .
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无氧黄芩甙乙醇溶液辐解产物的HPLC分离
HPLC separation of radiolysis products of deaerated baicalin ethanolic solution
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乙醇溶液中ZnO纳米粒子的形成机理研究
Mechanism Study on the Formation of ZnO Nanoparticle in Ethanol Solution
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结果表明,在中性乙醇溶液中,铬蓝黑R和Yb3+离子可形成配比为2∶1的配合物。
It was found that Yb 3 + forms 1 ∶ 2 complex with CBR in natural ethanol solution .
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采用乙醇溶液中溶解脂肪酸和超声波分散的方法研究微米级CaS∶Eu荧光粉颗粒表面均匀包覆硬脂酸(SA)。
CaS ∶ Eu phosphor surface were coated by method of solution stearic acid and ultrasonic dispersed in ethanol solvent .
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随着酚醛树脂-乙醇溶液的浓度的提高,C/C复合材料的电阻率不断减小,最小值可达0.569Ω·mm。
The resistibility of C / C composites decreased with the concentration of phenolic resin-ethanol increased , and the minimum of resistibility was 0.569 Ω· mm .
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万氏牛黄清心丸中黄芩甙及小檗碱的高效液相色谱条件优化及分离测定无氧黄芩甙乙醇溶液辐解产物的HPLC分离
Optimization and Determination of Berberine and Baicalin in Wanshi Niuhuang Qingxin Wan by High Performance Liquid Chromatography HPLC SEPARATION OF RADIOLYSIS PRODUCTS OF DEAERATED BAICALIN ETHANOLIC SOLUTION
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后者黄芩的鉴别:硅胶G薄层板,正丁醇-冰乙酸-水(7:1:2)为展开剂,1%三氯化铁乙醇溶液为显色剂;
The identification of Radix scutellariae was silica gel G plate , n-butanol-glacial acetic acid-water ( 7:1:2 ) as the development reagent , chloride ferric ( 1 % ) as color developing reagent .
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结果表明:乙醇溶液浸泡、加入β-CD、白砂糖能较好地减轻辣椒汁辣味,并保留维生素C含量。
The results indicated that it was able to abate hot taste and keep vitamin C well to soak hot pepper in ethyl alcohol solution and to add β - CD and white sugar to hot pepper juice .
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采用TiO2和SiO2的金属烃氧基在乙醇溶液中进行水解反应,制成胶状非晶态物质溶液。
The colloidal coating solution of amorphous state was prepared via metal alkoxides of TiO2 and SiO2 producing hydrolysis in alcoholic solution .
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采用液料等离子喷涂法,在不同电弧功率条件下,用钛酸丁酯的乙醇溶液作为喷涂原料,制备出了纳米TiO2颗粒。
TiO2 powders were synthesized by plasma spraying with liquid feedstock at different arc powers . An ethanol solution of butyl titanate was used as liquid feedstock .
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LiV3O8电极在硫酸锂-水-乙醇溶液电解质中的电化学性能
Electrochemical characteristics of LiV_3O_8 electrode in Li_2SO_ ( 4 - ) water-ethanol electrolytes
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苯乙醇溶液是以苯乙醇作为主要有效成分第一种获FDA许可用于治疗头虱的制剂。
Benzyl Alcohol Lotion , 5 % , is the first head lice product approved by the FDA with benzyl alcohol as the active pharmaceutical ingredient .
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表四:从水文酒精介质中的氧化聚乙烯矩阵F2为药物释放曲线值相比,非接触乙醇溶液。
Table IV : f2 values for drug release profiles from polyethylene oxide matrices in hydro-alcoholic media compared with non-exposure to ethanol solutions .
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研究了用3种偶联剂在水溶液、乙醇溶液和醇水溶液中对TiO2进行湿法表面处理的配方与工艺。用动态毛细管法表征处理前后TiO2表面性能的变化。
Three coupling agents were investigated to treat the titanium dioxide surface in different solutions , and the dynamic capillary law was used to ascertain the transformation of its surface .
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采集和检测了若丹明6G乙醇溶液的高信噪比荧光谱,最低检出限达到10-8mol/L。
High S / N ratio fluorescence spectrum of solution Rhodamine 6G in ethanol was collected and detected .
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NaAP·HAP晶体在乙醇溶液中的生长机理
Growth Mechanisms of NaAP · HAP Crystal in Ethanolic Solution
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最佳洗脱剂为70%乙醇溶液,洗脱液pH值为8.0,洗脱速率为2BV/h,洗脱体积为4BV。纯化得到的样品柠檬苦素类物质含量为37.26%。
And the optimum elution conditions were as follows : elute volume 4 BV , elute concentration 70 % , elute rate 2 BV / h , pH value 8.0.The purity of the obtained limonoids was 37.26 % .
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探索反相HPLC分离黄芩甙乙醇溶液辐解产物,特别探讨了酸在淋洗液中的作用,及液塞对分离的影响。
The separation of radiolysis products of deaerated baicalin ethanolic solution by reverse HPLC was studied , especially , the functions of acid in eluents and the influence of solvent strength on separation were discussed .
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采用中等浓度的乙醇溶液作为纤维素酶的反应体系可有效提高红景天总黄酮的浸出率,粗提物得率高,且DPPH清除活性较强。
The cellulose-ethanol extraction method shows high effectiveness , the crude extract has the highest yield with stronger DPPH radical scavenging activity .
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发现了用PVB甲醇溶液测定冻胶化温度较乙醇溶液更灵敏。
To use PVB methanol solution to test its gelling temperature is more sensitive than to use PVB ethanol solution .
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方法:薄层鉴别采用硅胶G薄层板,展开剂:正己烷-醋酸乙酯-冰醋酸(6:4:0.25),显色剂:10%硫酸乙醇溶液;
Methods : Qualitative analysis by TLC , a mixed solvent of n-hexane - ethyl acetate - acetic acid ( 6:4:0.25 ) was employed as the mobile phase , color developing agent was 10 % sulfuric acid and ethanol solution .
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之后,使用芦丁MIP分别在不同浓度和不同温度下对芦丁与四种物质混合乙醇溶液进行吸附实验。
Thereafter , Rutin MIP was selected to perform adsorption experiments from the respective mixture of Rutin with the above four materials in different concentrations and different temperatures .
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在本实验中NaOH的催化效果最好,在乙醇溶液中油产率达到50.58%,丙酮溶液中达到50.24%。
The catalyst effect of NaOH was the best in this experiment , which could make the yield of bio-oil up to 50.58 % in ethanol solvent and 50.24 % in acetone solvent .
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乙醇溶液电沉积La-Ni合金工艺研究
Electrodeposition of La-Ni Alloy from Ethanol Solvent
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荷叶黄酮浸提最佳工艺条件为:乙醇溶液浓度70%,浸提温度80℃,料液比1:30,浸提时间2h,浸提次数3次;
The optimal process conditions were obtained as follows : concentration 70 % , extracting temperature 80 ℃, ratio of solid to liquid 1:30 , extracting duration 2h , extracting three times .
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结论最优提取工艺是:50%乙醇溶液、8倍体积、85℃回流提取2次,每次2h。
Conclusion The optimum extraction process was achieved : the addition of 50 % alcohol ( 8 times raw herb in volume ) into materials , refluxing and extracting for 2 times at 85 ℃ .
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以无水乙醇溶液腹腔注射(13mL/kg,1次/d,连续8d)诱导大鼠脑损伤。
Brain injury was induced by intraperitoneal injection of anhydrous ethanol ( 13 mL / kg , once a day for 8 continuous days ) .
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结果最佳提取工艺条件:60%(体积分数)乙醇溶液,提取时间3h,提取次数3次,乙醇用量10倍,提取率为7.426%。
Results The optimum extraction process was as follows : 10 times the amount of 60 % ethanol , 3 times of extraction and 3 h each . The yield of extracted flavonoids reached 7.426 % .