烷基纖維素 的英文怎麼說
中文拼音 [wánjīxiānwéisù]
烷基纖維素
英文
alkyl cellulose-
Ethyl cellulose was synthesized successfully in one - step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent
摘要採用纖維素與過量的氯乙烷及氫氧化鈉反應，以甲苯為稀釋劑，用一步法成功地合成了乙基纖維素。Cellulose acetates with different substitution degrees were synthesized with wood pulp as raw material and dodecylbenzenesulfonic acid as catalyst
摘要以木漿為纖維素原料、十二烷基苯磺酸為催化劑，制備了一系列不同取代度的纖維素醋酸酯。The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation, the violet visible spectrophotometer, the laser particle size analyzer and scanning electron microscopy ( sem ). the following aspects of the production technique were carefully studied : 1. the effects of surfactants, poly ( vinyl alcohol ) ( pva ), poly ( vinyl pyrrolidone ) ( pvp ), sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated
本研究的主要內容有以下三個方面: 1 、研究了陰離子表面活性劑、非離子表面活性劑、聚乙烯醇（ pva ） 、聚乙烯基吡咯烷酮（ pvp ） 、海藻酸鈉（ sa - na ） 、聚丙烯酸鈉（ pa - na ）對石墨在水中分散性和穩定性的影響; 2 、研究了分散方法、分散介質、 ph值及羧甲基纖維素鈉（ cmc ）含量對石墨在水中分散性和穩定性的影響; 3 、研究了聚乙烯醇（ pva ） 、聚乙烯基吡咯烷酮（ pvp ） 、海藻酸鈉（ sa - na ） 、聚丙烯酸鈉（ pa - na ）四種助分散劑與羧甲基纖維素鈉（ cmc ）復配對石墨在水中分散性和穩定性的影響。In order to hold more epoxy groups for subsequent ionization, several factors affecting the efficiency of activation reaction, such as the amount of epichlorohydrin, the concentration of naoh solution, and the contents of tio2 and cellulose in matrix, were investigated emphatically
此後，為了得到足夠的環氧基團用於功能基化，詳細考察了一些影響活化反應的因素，如環氧氯丙烷的用量、 naoh溶液的濃度、纖維素和鈦白粉的含量等。In the boron medium of ph = 4. 5, the complex of mo ( vi ) - ars - cpc, can be collected on nitrocellulose membrane. the complex and the filter are dissolved in a small volume of dmso, and the absorbance of the resulting solution is measured by means of spectrophotometric method at 490 nm wavelength against the reagent blank. the detection limits better than 1. 2ug / l can be achieved
5的hac寸aac緩沖溶液中， mo （ vi ）與酋素紅s （ ars ）以及澳代十六烷基毗陡（ cpc ）形成的三元絡合物能夠被硝化纖維微孔濾膜定量富集，富集膜溶解在小體積的二甲亞礬中，於490run處以試劑空白為參比測定吸光度。分享友人