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- grafting of silica gel 硅胶接枝
- Electronics stepless speed regulation,conveyer utilized rotated bar with heatproof tube made of silica gel. 电子无级调速,输送机构采用自转式输送棒,并加耐热硅胶管。
- Then the extracted material was sequently filtered and sperated by means of silica gel column chromatography. 提取物通过硅胶柱层析分离,得到无辣味的红色色素。
- The Guangzhou good profit rubber Limited company mainly produces each kind of silica gel product. 广州良益橡胶有限公司主要生产各种手机按键和硅橡胶制品。
- In conclusion,the separation method of silica gel column chromatography applied in this experiment can be used to gain highly purified prod... 结论:采用的硅胶柱层析分离纯化可得到纯度较高的分离组分。
- Very hungry, see a double Miss Gao Ting, was a fierce bite into Tou Zha, found her mouth full of silica gel, so Yangtianchangtan: "Alas! 饿极,见一小姐双乳高挺,遂一头扎入猛咬,发现嘴里全是硅胶,于是仰天长叹:“唉!
- The equilibrium adsorption test results show that the hygroscopic capacity of new composite desiccant is two times bigger than that of silica gel. 实验结果显示与常用硅胶干燥剂相比,前者的吸湿能力约是后者的2倍以上。
- The filter cake of silica gel used as the carrier of polyolefine catalyst was dried by compartment drying and centrifugal spray drying respectively. 采用厢式干燥和离心喷雾干燥2种干燥方法,对聚烯烃催化剂用载体硅胶滤饼的干燥效果进行了比较,并研究了干燥过程对硅胶物性的影响。
- Objective To elucidate the mechanism of silica gel membrane(SGM) with bone morphogenetic protein (BMP) and hydroxyapatite (HA) in repairing segmental bony defect. 目的 探讨硅胶膜 (SGM )管与骨形态发生蛋白 (BMP) /羟基磷灰石 (HA)复合物联合修复兔长骨缺损的机制。
- Objective: To study the efficacy of Silica Gel Membrane (SGM) with Bone Morphogenetic Protein (BMP) and Hydroxyapatite (HA) in repairing segmental bony defect. 目的 :探讨硅胶膜 (SGM)管与骨形态发生蛋白 (BMP)和羟基磷灰石 (HA)复合后修复兔长骨缺损的效果。
- A reversed phase stationary phase of HPLC made by covering a porous copolymer of ethyl-styrene with divinylbenzene on the surface of silica gel is reported. 当代应用最广的HPLC固定相中,硅胶基质填料化学稳定性较低,并且由于残存硅羟基而表现所谓第二效应,特别使碱性化合物的峰形拖尾;
- Methods Artemisinin is extracted with petroleum ether and pass column of silica gel and gradient elution with ethyl acetate,then it is tracked with TLC and detected with UV-VIS. 方法青蒿经石油醚提取浓缩,浸膏经过硅胶柱,用不同配比的乙酸乙酯洗脱,用TLC法跟踪,UV法检测。
- It is the graft of the pointed upon the round arch. 这是尖拱式样嫁接于开阔穹窿的一种风格。
- The unsaponifiables from mentioned corn oil rich in selenium were separated by designed TLC of silica gel G into 7 fractions. The sterol,4-methylsterol and triterpene alcohol were analyzed quantitatively by GC. 用制备薄层层析法将富硒玉米油的不皂化物分成 7个部分 ,然后用气相色谱法分别测定甾醇、4 -甲基甾醇和三萜醇的组成。
- After column chromatography of silica gel,the total flavonoids of the extractum was 70.94%.[Conclusion] The fineness of total flavonoids extracted from propolis increases consume... 采用硅胶柱层析对蜂胶浸膏进一步纯化;最终得到含量达70.;94%25的蜂胶总黄酮。结论醇提酯萃法结合硅胶柱层析;可大大提高蜂胶总黄酮的纯度。
- This paper introduces some applications of silica gel as catalyst support in catalysis reactions, mainly including oxidation, hydrogenation, dehydrogenation, hydroformylation and alkylation, etc. 本文主要介绍了硅胶载体在催化反应中的一些应用。文中所说的催化反应主要有氧化反应、加氢反应、脱氢反应、氢甲酰化反应、烷基化反应等等。
- Sensible heat efficiency,latent heat efficiency and dehumidification coefficient of performance(DCOP) were employed to evaluate the performance of silica gel wheel and lithium chloride wheel. 以显热效率、潜热效率和除湿性能系数作为评价指标,通过实验比较了硅胶和氯化锂转轮的除湿性能,研究了运行参数(处理空气进口湿度、温度,再生温度,处理风量)对转轮除湿性能的影响。
- Methods The extract of Viola yedoensis was isolated and purified by means of silica gel column chromatography and identified by spectroscopic experiments to determine the structure of compounds. 方法采用柱层析对紫花地丁植物中的提取物进行分离提纯,并利用现代波谱方法分析鉴定,确定化合物的结构。
- Firstly, the HAP was isolated by the adsorption characteristics of silica gel, and purified by Gel filtration column (Sephadex G-75) secondly, removing the protein fragment of 10-25kDa. 本研究首先利用硅胶对混浊蛋白的吸附特性而初步分离出HAP,再通过凝胶过滤(Sephadex G-75)柱纯化,去除10-25kDa的少量连续蛋白片段,经SDS-PAGE电泳纯度鉴定,最终获得纯度较高的HAP(MW约40kDa)。