您要查找的是不是:
- chelate extractive agent 螯合萃取剂
- The recovery of the extraction agent can reach 85%. 萃取剂回收利用率可达85%25。
- The extractive agent will effectively increase the relative voatility between active amyl alcohol and isoamyl alcohol, and is easy to be recovered bo isoamyl alchohol. 该萃取剂能有效增加原溶液中组份的相对挥发度,且回收容易。
- A new extracting agent of piperidine derivant was synthesized. 合成了一种新萃取剂哌啶多氮衍生物。
- We abstracted chlorophyll from spinash using acetone as the extractive agent, and seperated the extract with chromatography column.We studied the physical chemical property of chlorophyll. 本实验采用丙酮为提取剂从菠菜中提取叶绿素,将提取液用层析柱进行分离,并对所提取的叶绿素进行理化性质研究。
- A temperature sensitive gel as extraction agent which is a copolymer of N-isopropy-lacrylamide (NIPA) with sodium methacrylate has been synthesized. 本工作合成了一种温敏萃取凝胶,即N-异丙基丙烯酰胺与甲基丙烯酸钠的共聚物凝胶。
- Cupperron and 8 - hydroxyquinoline were used as the extraction agent for the purification of calcium lactate from ferric salt. 选定铁盐作为除杂对象,用铜铁试剂和8-羟基喹啉2种萃取剂分别对乳酸钙进行精制。
- The effects of adding glycol+K2SO4,glycol+KAc,and glycol+ZnCl2 as extractive agents on the reflux ratio and solvent ratio in the batch extractive distillation of isopropanol have been investigated. 采用间歇加盐的萃取方式,散堆玻璃填料塔,优化选取了回流比,溶剂比等相关工艺参数。
- The preparation of anhydrous acetaldoxime from an aqueous solution by gaseous extraction using methylene chloride as extracting agent was studied. 研究以二氯甲烷为萃取剂,利用汽相萃取由乙醛肟水溶液制备无水乙醛肟的工艺过程,所得乙醛肟贮存稳定性好,含量在99%25以上,收率达93%25。
- This pape studies a new kind of teChnology of exracting thea saponin, which combines the prendums of organic compounds with water as extracting agent. 提出了综合水浸法和有机溶剂法优点的茶皂素提取新工艺。
- Abstract: A temperature sensitive gel as extraction agent which is a copolymer of N-isopropy-lacrylamide (NIPA) with sodium methacrylate has been synthesized. 摘要: 本工作合成了一种温敏萃取凝胶,即N-异丙基丙烯酰胺与甲基丙烯酸钠的共聚物凝胶。
- Compared with extraction using water as extracting agent, the method of air flow aided volatilization-condensation process has the advantage of not forming a new azeotrope. 与水萃取法相比,空气辅助挥发冷凝法分离环己烷-乙醇具有不形成新的共沸物的优点。
- The principle,affecting factors and new progress of supercritical CO2 chelating extraction are discussed in the paper. 在总结国内外文献的基础上,介绍了超临界CO2络合萃取重金属的原理、影响因素以及最新进展情况。
- A process for the preparation of anhydrous acetaldoxime from an aqueous solution by gaseous extration with methylene chloride as extracting agent was studied. 研究了以二氯甲烷为萃取剂,利用气相萃取由乙醛肟水溶液制备无水乙醛肟的工艺过程,所得乙醛肟贮存稳定性好,含量在99%25以上,收率达93
- A kind of optimal extraction agent is determined for extraction distillation of propane-propene process,based on the simulation results by the ASPEN PLUS software. 借助ASPEN PLUS软件,对丙烷?丙烯体系萃取精馏过程所用的溶剂进行了筛选,得到一种最佳的萃取剂。
- Finally, several problems about supercritical chelating extraction have been discussed and the future development directions have also been suggested. 最后指出了它目前存在的问题,并对未来研究方向进行了展望。
- With the interaction of an organic extraction agent, the 2 products of technical potassium dihydrophosphate and feed-grade dicalcium phosphate, can be obtained from WPA. 研究开发了一种湿法磷酸在有机萃取剂的作用下,制取工业级磷酸二氢钾、饲料级磷酸氢钙的方法,介绍试验原理;
- Using acetone as extraction agent,Hypocrellin A is seperated and purified from Shiraia bambusicola by acid-alkaline precipatation combined with Soxhlet extraction. 以丙酮作为提取剂,采用索氏提取法与酸碱沉淀法相结合,从竹黄中分离、纯化竹红菌甲素。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人预先安排的度假事宜。
- The results showed that the main compositions of the recovered extracting agent had no significant difference from the crude phenol and the extracting agent could be reused. 采用盐析萃取工艺对焦化精苯废酸进行治理回收利用,以粗酚作萃取剂,向萃取相中掺入3%25-5%25的阻垢剂,成功地解决了萃取剂蒸馏再生时起泡、结渣的问题。