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modified silica gel
相关语句
  改性硅胶
     Determination of a New “Chuan Hua 018” Pesticide by Normal Phase Liquid Chromatography on Dynamically Modified Silica Gel
     用动态改性硅胶的液相色谱法分析新杀菌剂“川化018”
短句来源
     Preparation and Performance of Novel Al~(3+) Modified Silica Gel Adsorptive Materials
     新型铝改性硅胶吸附材料的制备与性能
短句来源
     The immobilization method for glucose oxidase bound to modified silica gel wasdescribed.
     本文报导将葡萄糖氧化酶固定在改性硅胶上的最适宜条件及用此固相化酶测定葡萄糖的条件。
短句来源
     THE PHOTOPHYSIS OF PYRENE ON MODIFIED SILICA GEL——INVESTIGATION OF SILICA GEL SURFACE CHARACTER BY PYRENE FLUORESCENCE PROBE
     芘在改性硅胶上的光物理研究——以芘为探针研究改性硅胶的表面特性
短句来源
     Hydration of Ethylene Oxide over Modified Silica Gel
     改性硅胶上的环氧乙烷水合反应(英文)
短句来源
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  “modified silica gel”译为未确定词的双语例句
     The essential feature of this method involved the use of a prefractionator column of one metre long packed with 13% hexadecane/fire brick,and the analyzer column composed of a column of 2 metres long packed with 16% diethyl phthalate/fire brick in series with a 2 metres long column packed with 3% hexadecane +0.5% polyethylene glycol/chemically modified silica gel.
     以2米长的16%苯二甲酸二乙酯/保温砖柱串联2米长的3%十六烷+0.5%聚乙二醇/变质硅胶柱作气体烃的分析柱; 以1米长的13%十六烷/保温砖柱作切割柱;
短句来源
     Three kinds of chemical modified silica gel, Si-O-C_(10)H_(21)-n(Ⅰ), (Ⅱ)and Si-O-SiMe_3 (Ⅲ), were prepared. Fluorescence and lifetime of pyrene on these silica, gel were investigated. Exeimer emission of pyrene was formed from two pathways, excited groud state aggregate and excited monomer with groud state monomer.
     在这二种硅胶上,激基缔合物是由基态聚积体直接受光和受激发的单分子和基态的单分子所形成、在硅胶≡Si—O—C_(10)H_(21)-n上比在硅胶≡Si—O—SiMe_3上所形成的聚积体较少。
短句来源
     Study on the Composition, Structures and Properties of Organic Modified Silica Gel Matrix
     有机改性SiO_2凝胶基质组成、结构与性能的研究
短句来源
     DETERMINATION OF TRACE MERCURY IN WATER BY CHEMICALLY MODIFIED SILICA GEL PRECONCENTRATION AND ELECTROTHERMAL ATOMIC ABSORPTION SPECTROMETRY
     化学修饰硅胶预富集—石墨炉原子吸收法测定水中痕量汞
短句来源
     The preparation of chemically modified silica gel with dithiocarbamate and the experimental conditions are discussed.
     本文提出了用化学修饰硅胶预富集-石墨炉原子吸收法测定水中痕量汞的方法,讨论了二硫氨基甲酸修饰硅胶的制作和方法的测试条件。
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  相似匹配句对
     PREPARATION OF MODIFIED ACTIVATED SILICA
     改性活化硅酸的研制
短句来源
     of modified P.R.
     R.
短句来源
     Structure of Modified Silica Sol
     改性微粒硅溶胶的结构和形态
短句来源
     Hydration of Ethylene Oxide over Modified Silica Gel
     改性硅胶上的环氧乙烷水合反应(英文)
短句来源
     Two fractal structures of methyl-modified Silica gels by SAXS
     小角x射线散射法研究甲基改性氧化硅凝胶的双分形结构
短句来源
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  modified silica gel
It was found that 2,6-DMN could be separated from 2,7-DMN in the ODS-modified silica gel by using methanol and water as the mobile phase.
      
Based on the analysis of the isotherms of N2 adsorption, the fractal dimension and other texture geometric parameters were determined for silica gel, modified silica gel, and relevant composite materials.
      
Bacterial metabolites were isolated from spent culture broth by chloroform extraction as well as by closed-loop stripping and adsorption of volatile components on surface-modified silica gel.
      
A vanadium(II) Schiff base ligand, [1,4-bis (salicylidene amino)-phenylene] vanadium oxo complex bonded on carbamate-modified silica gel, has been synthesized.
      
In general, supported catalysts are more efficient than non-modified silica gel.
      
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A gas chromatographic procedure has been developed for the determination of dissolved gaseous hydrocarbons in petroleum products.Silica gel used as support was chemically modified with dimethyldichlorosilane.The essential feature of this method involved the use of a prefractionator column of one metre long packed with 13% hexadecane/fire brick,and the analyzer column composed of a column of 2 metres long packed with 16% diethyl phthalate/fire brick in series with a 2 metres long column packed with 3% hexadecane...

A gas chromatographic procedure has been developed for the determination of dissolved gaseous hydrocarbons in petroleum products.Silica gel used as support was chemically modified with dimethyldichlorosilane.The essential feature of this method involved the use of a prefractionator column of one metre long packed with 13% hexadecane/fire brick,and the analyzer column composed of a column of 2 metres long packed with 16% diethyl phthalate/fire brick in series with a 2 metres long column packed with 3% hexadecane +0.5% polyethylene glycol/chemically modified silica gel. Sixteen components of C_1—C_5 gaseous hydrocarbons dissolved in a ~200℃ petroleum fraction could be completely separated within 1 hour.The accuracy of the method expressed as meximum absolute error is 0.61%.

针对石油二次加工油品中溶解气体烃组成的分析,试制了一种以二甲基二氯硅烷处理的化学变质硅胶担体。以2米长的16%苯二甲酸二乙酯/保温砖柱串联2米长的3%十六烷+0.5%聚乙二醇/变质硅胶柱作气体烃的分析柱;以1米长的13%十六烷/保温砖柱作切割柱;配合六通阀切换的反吹流程,在1小时内可分离200℃馏分油中溶解的C_1—C_5气体烃的16个组分,定量最大绝对误差为0.61%,基本满足了石油加工工艺的分析要求。

A scries of silica gel packing materials are prepared by bonding organic silane on the silica gel surface with different concentrations of γ-glycidoxypropyltrimethoxy silane water solutions. The graft degree of the bonded phase on these silica gelssurface arc determined by using three methods--Thermal Analysis, ElementAnalysis, and absorption in solution. The results indicate that TA is a suitable method for characterizing the graft degree of the bonded phase of these modified...

A scries of silica gel packing materials are prepared by bonding organic silane on the silica gel surface with different concentrations of γ-glycidoxypropyltrimethoxy silane water solutions. The graft degree of the bonded phase on these silica gelssurface arc determined by using three methods--Thermal Analysis, ElementAnalysis, and absorption in solution. The results indicate that TA is a suitable method for characterizing the graft degree of the bonded phase of these modified silica gels.

本文用热分析、元素分析及溶液吸附三种方法,对不同浓度的γ-GOPS水溶液与硅球表面接枝键合相的系列样品进行接枝度的测定。认为热分析方法是测定硅胶表面接枝度的适用方法。元素分析误差大,数值偏高。溶液吸附法只能作为比较对硅胶表面接枝量大小的相对方法。

The determination of trace mercury in Water by Chemically modified Silica gel preconcentration and electrother mal,ato mic-absorption Spectrophot-ometry Is descrabed. The preparation Of Chemically modified Silica gel by dithio-carba mate and the experimental conditions are discussed. This method is Simple, rapid and sensitive. The detection limit of this method is 0.10 ng/ml, When 100 ml ofsample solution is taken and the relative standard deviations is 4.1%. Four Water samples Were analysed and...

The determination of trace mercury in Water by Chemically modified Silica gel preconcentration and electrother mal,ato mic-absorption Spectrophot-ometry Is descrabed. The preparation Of Chemically modified Silica gel by dithio-carba mate and the experimental conditions are discussed. This method is Simple, rapid and sensitive. The detection limit of this method is 0.10 ng/ml, When 100 ml ofsample solution is taken and the relative standard deviations is 4.1%. Four Water samples Were analysed and the recoveries are in the range of 96.5%-107.5%

本文提出了用化学修饰硅胶预富集一石墨炉原子吸收法测定水中痕量汞的方法,讨论了二硫氨基甲酸修饰硅胶的制作和方法的测试条件。该法操作简便、快速、灵敏。100毫升水样经预富集后,最低检出限为0.10ng/ml,其变异系数为4.1%。对四种不同水样的测定,回收率在96.5~107.5%之间。

 
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