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- Keywords hydroxypropyl methylcellulose acetate succinate(HPMCAS);enteric-coating material;structure;properties;characterization; 醋酸羟丙基甲基纤维素琥珀酸酯;肠溶包衣材料;结构;性能;表征;
- acetate succinate 乙酸琥珀酸酯
- Chloramphenicol Sodium Succinate for Inj. 注射用琥珀氯霉素钠。
- Meth ods:10%dethylenegly col succinate(DEGS)column was chosen and extractions with ethyl acetate from samples were methylated with BF 3 -ether /methanol. 方法:选用10%25丁二酸二乙二醇酯(DEGS)色谱柱,样品经乙酸乙酯提取后,用三氟化硼-乙醚/甲醇甲酯化处理。
- A kind of polymeric fatliquor PCF was synthesized via free copolymerization from amided colza oil succinate, acrylic acid and vinyl acetate. 以酰胺化菜籽油马来酸单酯、丙烯酸和醋酸乙烯酯为原料,通过乳液共聚制得了菜籽油聚合物加脂剂PCF。
- Cerium Acetate is soluble in water. 说明:醋酸铈溶于水。
- Thermal Bind -with steel spine and acetate covers. 热结合钢脊柱和醋酸覆盖。
- KGM acetate was good thermoplastic material. KGM醋酸酯具有较好的热塑性。
- Methods:10%diethyleneglycol succinate(DEGS) column was chosen. 方法 :选用丁二酸二乙二醇酯 (DEGS)色谱柱。
- Succinate was the most effective substrate in following oxygen consumption. 琥珀酸盐在以后的氧消耗中是最有效的基质。
- Cellulose acetate or any of various products, especially fibers, derived from it. 醋酸纤维素醋酸纤维素或其多种制品,尤指从中提取的纤维质
- Sodium acetate: Irritant. Handle with usual caution. 醋酸钠:刺激物。按正常程序小心处理。
- Ethyl acetate(71. 41b)was added to the slurry in the vessel. 把醋酸乙酯71.;4磅加到容器中的浆液内。
- Insoluble in water but soluble in hot ammonium acetate. 不溶于水,能溶于热的醋酸铵。
- Tetradecyl hydrogen succinate(THS) was synthesized by esterification method. 本文合成了软X射线分光晶体琥珀酸氢十四酯(THS)。
- Acetate was degraded by denitrifying activated sludge. 本文报道脱氮活性污泥降解乙酸根的过程。
- Addition of succinate buffer and Tween 80 facilitated CDH secretion. 培养基中加入琥珀酸钠缓冲液和土温80利于酶的合成。
- The yield of anhydrous plumbous acetate is also very high. 该方法操作简便,反应时间短,得到的无水醋酸铅的收率也较高。
- The sodium citrate, sodium succinate can enhance the degradation of phenol. 柠檬酸钠、琥珀酸则能促进其对苯酚的降解。
- The yield of dimethoxy methyl aceto acetate can be reached 55.3 %. 二甲氧基乙酰乙酸甲酯的收率可达53.;3%25。