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- The adsorptivity of N503(N, N di(sec octyl) acetamide) levextrel resin to cadmium in HBr and NaBr-H 2SO 4 media has been studied. 研究了N503（N，N?二仲辛基乙酰胺）萃淋树脂在氢溴酸、硫酸-溴化钠体系中对镉的吸附性能。
- Keywords niobic acid;di n octyl phthalate;catalyst;synthesis; 铌酸;邻苯二甲酸二正辛酯;催化;合成;
- Maleic acid ester is synthesized with the fourth sparse diacid anhydride and sec octyl alcohol as raw materials and silecon tungsten heteropoly acid as the catalyzer. 以顺丁稀二酸酐与仲辛醇为原料,以硅钨杂多酸为催化剂催化合成马来酸酯。
- 2. The adsorptivity of N503(N, N di(sec octyl) acetamide) levextrel resin to cadmium in HBr and NaBr-H 2SO 4 media has been studied. 研究了N503（N，N?二仲辛基乙酰胺）萃淋树脂在氢溴酸、硫酸-溴化钠体系中对镉的吸附性能。收藏指正
- 3.The adsorptivity of N503(N, N di(sec octyl) acetamide) levextrel resin to cadmium in HBr and NaBr-H 2SO 4 media has been studied. 研究了N503（N，N?二仲辛基乙酰胺）萃淋树脂在氢溴酸、硫酸-溴化钠体系中对镉的吸附性能。
- Syntheis and Property of Sec Octyl Alcohol Phosphate Ester Salt 仲辛醇磷酸酯盐的合成及性能研究
- Dioctyl phthalate was synthesized using di n octyl tin oxide as an aprotic acid catalyst. 用氧化二辛基锡催化合成邻苯二甲酸二辛酯。
- The swimmer was timed at 50.50 sec. 这名游泳者的成绩被测定为五十点五零秒。
- butyl octyl phthalate 邻苯二甲酸丁辛酯
- isodecyl octyl phthalate 邻苯二甲酸异癸辛酯
- capryl octyl phthalate 邻苯二甲酸仲异辛酯
- The divergence time is now greater than 30 sec. 发散时间超过30秒。
- His time of 3 min 2 sec remains unbeaten. 他那3分2秒的记录仍未打破.
- Melissa was conceived through DI 37 years ago. 37年前，梅利莎的母亲通过人工授精怀上了她。
- We never smoked marijuana; Di you smoke? 我们从来不吸烟；你吸烟吗。
- It is from, hang on a sec, oh yeh, Japan. 那是来自，等一会儿，对了，日本。
- Marco Di Vaio has pledged his future to Genoa. 迪瓦约许誓自己的未来在热那亚。
- It's the hang on a sec,yes,the 10th of May. 那是，等一会儿，对了，5月10日。
- Stay there. I'll be back in a sec. 呆着别走。我马上回来。
- Objective:To detect the subchronic toxicity of mice fed with di(2-ethylhexyl)phthalate(DEHP). 目的:探讨邻苯二甲酸二乙基己酯(DEHP)对小鼠的亚慢性毒性作用。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
