1·Phthalic anhydride is irritant to tissue and should be handled with care.
邻苯二甲酸酐对细胞组织有刺激性,使用时要小心。
2·OBJECTIVE To study the feasible synthesis method of poly-sebacic anhydride.
目的研究聚癸二酸酐适宜的合成方法。
3·Succinic acid dehydration is one of industrial methods to produce succinic anhydride.
丁二酸脱水法是工业生产丁二酸酐的方法之一。
4·Phthalic anhydride residue is the by product from oxidation of naphthalene oro xylene.
苯酐渣系萘氧化或邻二甲苯氧化的副产物。
5·The kinetics of polyesterification of phthalic anhydride with diethylene glycol was investigated.
对邻苯二甲酸酐和二甘醇的聚酯化动力学进行了研究。
6·In this subject, gluten was modified by both wet heat treatment and succinic anhydride acylation.
本文主要研究了湿热—琥珀酸酐酰化对小麦面筋蛋白进行复合改性。
7·This paper introduced different kinds of preparation methods and applications of isatoic anhydride.
本文介绍了合成靛红酸酐的各种方法和靛红酸酐的应用。
8·However, the application of epoxy cured by anhydride in other fields is limited as its brittleness.
然而质脆、抗冲击性差等缺点限制了环氧树脂在其它领域的应用。
9·Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 May be obtained.
而由混合酸酐或双烯酮代替酰氯,中间体也可能是烯酮或烯醇5。
10·Hardness and temperature, current density, chromium content of sulfuric acid anhydride and are closely related.
铬层软度与温度、电流密度、铬酐及硫酸的含量都有紧密亲密的干系。
1·Succinic acid dehydration is one of industrial methods to produce succinic anhydride.
丁二酸脱水法是工业生产丁二酸酐的方法之一。
2·Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 May be obtained.
而由混合酸酐或双烯酮代替酰氯,中间体也可能是烯酮或烯醇5。
3·Phthalic anhydride is irritant to tissue and should be handled with care.
邻苯二甲酸酐对细胞组织有刺激性,使用时要小心。
4·All these drawbacks, however, could be effectively overcome in a semi batch reaction system into which propionic anhydride was continuously fed.
然而,在连续流加丙酸酐的半批式反应系统中,所有这些缺点均可有效地克服。
5·The kinetics of polyesterification of phthalic anhydride with diethylene glycol was investigated.
对邻苯二甲酸酐和二甘醇的聚酯化动力学进行了研究。
1·Production: monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid , Yean , ammonia water.
生产: 单体硼, 氮化硼, 硼酐, 无水硼砂; 盐酸,液氨, 氨水。
2·The regioselective nitration of toluene and chlorobenzene with nitrates and supported nitrates on solid acid catalysts and supports in the presence of acetic anhydride is studied.
该文讨论了应用固体酸催化剂和载体,在醋酐存在下,采用硝酸盐和载体硝酸盐硝化甲苯和氯苯的选择性。
3·Introduced the market demand of anhydride of domestic and international benzene and price case and development trend.
介绍了国内外苯酐的市场需求和价格情况以及发展趋势。
4·Hardness and temperature, current density, chromium content of sulfuric acid anhydride and are closely related.
铬层软度与温度、电流密度、铬酐及硫酸的含量都有紧密亲密的干系。
5·In this paper, natural cotton cellulose was modified by the steam explosion, modified cellulose, acetic anhydride and fatty acids have been used to synthesize the long chain cellulose ester.
采用蒸汽闪爆技术对天然纤维素进行改性,并利用改性后的纤维素、乙酸酐和脂肪酸合成长支链纤维素酯。