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- Keywords acetal homopolymer;acetal copolymer;acid catalysis;base catalysis;chemical degradation; 均聚甲醛;共聚甲醛;酸催化;碱催化;化学降解;
- Keywords polyoxymethylene;production;acetal homopolymer;acetal copolymer;technology;development; 聚甲醛;生产;均聚甲醛;共聚甲醛;技术;发展;
- Keywords acetal;ferric chloride;polyaniline;dope; 缩醛;三氯化铁;聚苯胺;掺杂;
- This paper describes modified mechanism of high molecular chain of ethyleneembedden vinyl acetate homopolymer and the research on structure and properties of modifiedcopolymer molecues. 论述了乙烯嵌入醋酸乙烯均聚物高分子链中的改性机理,研究了对改性共聚物的分子结构及牲能。
- Keywords acetal;ketal;synthesis;catalysis;P-toluene sulphonic acid; 缩醛;缩酮;合成;催化;对甲苯磺酸;
- acetal homopolymer 缩醛类均聚物
- Keywords acetal copolymer;ring opening polymerization;trioxane;ethylene oxide;dioxolane; 共聚甲醛;开环聚合;三聚甲醛;环氧乙烷;二氧五环;
- Keywords acetals;ketals;catalyst;synthesis; 缩醛;缩酮;催化剂;合成;
- Keywords acetic acid;methanol;OXO synthesis; 醋酸;甲醇;羰基合成;
- Keywords Acetals;ketal;catalysis;systhesis; 缩醛;缩酮;催化;合成;
- Keywords acetic acid;ferment;riddling; 醋酸;发酵;筛选;
- Keywords acetate fabric;finish;final set;batchwise dyeing; 醋酸纤维织物;整理;定型;卷染;
- Keywords Acetic acid unit Crotonaldehyde Crotonic acid Sorbic acid; 醋酸装置;巴豆醛;巴亚酸;山梨酸;
- Keywords acetic acid;esterification;extraction;reutilization; 乙酸;酯化;萃取;回收利用;
- Keywords acetalization;iodine;polyaniline;catalysis; 缩醛;碘;聚苯胺;催化;
- Keywords Acetic acid;Hydrobromic acid;Ion-chromatography;Air; 乙酸;溴化氢;离子色谱法;空气;
- Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
- Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。
- Some keywords in SQL are also reserved words. SQL中的一些关键字也是保留字。
- Are reserved keywords in Office projects. 是Office项目中的保留关键字。
