您要查找的是不是：
- Many methods for preparation of anthraquinone such as phthalic anhydride method, oxidation method and naphthaquinone method and so on were compared. 综述了重要中间体蒽醌的应用以及传统工业生产方法,评价了苯酐法、氧化法及萘醌法等各种方法的优缺点。
- phthalic anhydride method 苯酐法
- It is discussed the new method BDP of synthesizing by using catalytic agent DOOX and material phthalic anhydride and normal butanol . 本文论述了以功能树脂DOOX为催化剂，邻苯二甲酸酐和正丁醇为原料合成邻苯二甲酸二丁酯的新方法。
- Bis(polyglycol) maleate, which were obtained by solvent method, reacted with phthalic anhydride, then the double bond of maleic anhydride of polymer obtained with sodium hydrogen sulfite. 采用溶剂法制得马来酸双聚乙二醇酯,与邻苯二甲酸酐缩聚,用亚硫酸氢钠加成缩聚物中马来酸酐上的双键。
- Tetrachlorophthalic anhydride was synthesized with phthalic anhydride as raw material, compounded iodine as catalyst by direct separation of crystal from solvent on the basis of solvent method. 在溶剂法基础上,以苯酐为原料,复合碘作催化剂,产品直接结晶分离的方法合成四氯邻苯二甲酸酐。
- The endo anhydride method is the main process in chemical synthesis today. 化学合成法中的内酐法为现阶段的主要生产方法;
- Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride. 用六氢化邻苯二酸酐加入到邻苯二酸酐中,可使其放热反应减慢。
- Process for synthesizing dimethyl phthalate(DMP) for phthalic anhydride and methanol has developed. 研究以苯酐、甲醇为原料合成邻苯二甲酸二甲酯的方法。
- EBE monitored control system is an assistant to operator of 2000 TPY phthalic anhydride plant. EBE监视系统是 2 0 0 0t/a苯酐装置操作人员的有力助手
- The reaction adopted strong-acid cation exchange resin catalysed phthalic anhydride and butyl alcohol. 采用强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应。
- Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23. 以氯苯和邻苯二甲酸酐为起始原料，经四步工序合成马吲哚，总收率为23．4%25。
- Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%. 以氯苯和邻苯二甲酸酐为起始原料，经四步工序合成马吲哚，总收率为23．4%25。
- A widely used durable synthetic resin derived from glycerol and phthalic anhydride. 醇酸树脂从丙三醇和酞酸酐中提炼出的一种应用范围很广的耐用合成树脂
- The flow sheet and operation in phthalic anhydride plant system after the adding partial condensator were introduced. 介绍了苯酐装置系统中增加部分冷凝器的流程,操作讨论了加部分凝冷器前后的经济效益。
- N-phenylmaleimide was synthesized with the closing-ring dehydration catalyst of nickel diacetylacetonate(Ni(acac)2) by acetic anhydride method. 以乙酰丙酮镍为闭环脱水催化剂,运用改进的醋酐法,合成了N-苯基马来酰亚胺。
- Cetyl phthalate was prepared from phthalic anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst. 以苯酐与十六醇为原料,选用非酸催化剂,在实验室合成了增塑剂邻苯二甲酸双十六烷基酯。
- L-Alanyl-L-glutamine(Dipeptiven) was prepared in 10 t/a pilot-plant-scale by using phthalyl method and mixed anhydride method. 以邻苯二甲酰基为保护基,采用混合酸酐法接肽,中试规模制备了L-丙氨酰-L-谷氨酰胺(力肽)。
- Alkyd resins were prepared from maleopimaric acid(MPA)which consists of maleic and rosin instead of phthalic anhydride. 采用松香和顺酐反应合成的马来海松酸(MPA)代替苯酐制备醇酸树脂涂料。
- The later was conjugated as hapten to BSA or OVA by the mixed anhydride method, for animal immunization and coating plates respectively. 用混合酸酐法通过半抗原上的羧基与牛血清蛋白（BSA）和鸡卵清白蛋白（OVA）上的氨基反应，从而合成DES人工免疫原与包被原。
- Objective: To study the effects of Phthalic Anhydride on the worker's health Methods: Present survey. 目的：研究邻苯二甲酸酐对工人健康的影响。方法：现况调查。
