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- By the positron annihilation life spectrum (PALS) technique, the free volumes of chitosan and its N alkyl derivatives membranes were measured. 用正电子湮灭寿命谱(PALS)法,研究了N-烷基化壳聚糖膜的自由体积。
- High oil absorption resins (OAR) of crosslinked poly(n alkyl methacrylates were synthesised by means of suspension polymerization. 以甲基丙烯酸酯为单体，双烯化合物为交联剂，采用悬浮聚合方法合成高吸油性树脂。
- N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization. 以邻氯苯甲酸和对乙氧基苯胺为原料,经过胺的苯基化、二芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。
- Keywords microwave irradiation;N alkyl o nitroaniline;building block;synthesis; 烷基化邻硝基苯胺;微波辐射;构建单元;合成;
- Keywords N alkyl N benzylene phosphonic acid;thermochromism;synthesis; 烃基-N-苄叉基膦酸;热致变色;合成;
- N-alkyl pyridimium halide 卤化-N-烷基吡啶鎓
- Keywords flocculation;triazone;starch triazone derivatives;N alkyl methylol triazone; 絮凝作用;三嗪酮;淀粉三嗪酮衍生物;N-烷基羟甲基三嗪酮;
- Keywords polyvinyl chloride bound N alkyl N methyl aminopyridine;linalool linalyl acetate; 聚氯乙烯支载N-烷基-N-甲基氨基吡啶;乙酰化反应;芳樟醇;
- Keywords lyotropic liquid crystalline;chitosan;N alkyl chitosan;polyelectrolyte;critical concentration;salt effect; 溶致液晶;壳聚糖;N烷基壳聚糖;聚电解质;临界浓度;盐效应;
- This reaction, called the Hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl halide. 这个反应称为Hofman消除反应，它很像卤代烷的脱卤化氢反应。
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- Suitable for mercury vapor lamp, metal halide lamp. 可配装汞灯、金卤灯。
- He fought in the N African campaign during the last war. 在上次战争中他在北非战役参战。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- To add one or more alkyl groups to(a compound. 使烷基化在（一种化合物）中添加一个或多个烷基团
- To add one or more alkyl groups to(a compound). 使烷基化在（一种化合物）中添加一个或多个烷基团
- Grignard reagents react with ethylene oxide to yield primary alcohols containing two more carbon atoms than the alkyl halide from which the organometallic compound was prepared. 格氏试剂与乙撑氧发生反应，产生含有比配置有机金属化合物的烷基卤多两个碳原子的伯醇。
- That will be a total of eighty N T. 那总共八十台币。
- Rock-'n'-roll was started in the 1950s. 摇滚乐发源于20世纪50年代。
