溶剂回流,azeotroping refluxing
1)azeotroping refluxing溶剂回流
1.Starting from lactic acid and using stannous octoate as catalyst, polylactic acid w ith different molecular weight was synthesized through direct polymerization of lactic acid, ring-opening polymerization of lactides, melt-solid state polymerization andazeotroping refluxing.以乳酸为原料,辛酸亚锡为催化剂,采用乳酸直接聚合(一步法)、丙交酯开环聚合(两步法)、熔融-固相聚合、溶剂回流脱水等不同的实验方法分别合成出了不同相对分子质量的聚乳酸。
英文短句/例句
1.Microwave Irradiation Coupled to Solvent Reflux Extraction of Monocrotaline in Crotalaria Sessiliflora L微波辐射-溶剂回流提取农吉利中农吉利甲素
2.Study on the Extraction of Zein by Ultrasonic Wave and Solvent Refluxing超声强化溶剂回流法提取玉米醇溶蛋白工艺的研究
3.Clove Essential Oil Extracting by SFE-MD or Refluxing and Its GC-MS Analyzed丁香精油的超临界CO_2和溶剂回流萃取及其GC-MS分析
4.Granular activated carbon from coal for solvent recoveryGB/T7701.2-1997回收溶剂用煤质颗粒活性炭
5.To be economical these processes will require efficient solvent recovery operations.若要经济，就要有有效的溶剂回收工序。
6.Study on the Recovery of Xylene from Abolished Industrial Solvent Oil;工业废溶剂油中二甲苯回收试验研究
7.Rcovery Zinc from Low-Grade Zinc Oxide Ore with Solvent Extraction;溶剂萃取法从低品位氧化锌矿回收锌
8.single well backflow tracer test单井示踪剂回流试验
9.There is reflux of barium into the terminal ileum.钡剂反流进入回肠末端。
10.recovery technique for evaporated gas of organic solvent in industrial production工业用生产中有机溶剂挥发气体回收技术
11.Don"t clean it with chemic reagent, such as solvent and thinner.不要用化学试剂清洗，否则回引起溶解或稀释。
12.Study on the Liquid-Liquid and Solid-Liquid Equilibria for Recovery of Maleic Anhydride Using Organic Solvent;顺酐有机溶剂回收中液液和固液平衡研究
13.Study of Recovery of Chromium from Electroplating Wastewater by Solvent Extraction;溶剂萃取法回收高浓度电镀废水中的铬
14.Study on Recycling Waste Foamed Plastics of Polystyrene by Natural Solvent;天然溶剂回收废聚苯乙烯泡沫塑料的研究
15.Study on Solvent Recovery of Polyphenylene Sulfide Production and Self-lubricating Polyphenylene Sulfide Alloys;PPS生产中溶剂的回收以及PPS自润滑合金的研究
16.The Control System Design and Research on Modeling of Organic Solvent Recovery;有机溶剂回收控制系统的设计和建模研究
17.The Progress on Obsolete Energetic Material Recycle by Solvent Extraction Method溶剂萃取法回收废弃含能材料的研究现状
18.Study on the Collection and Reuse of Cleaning Solvent from Coating Plant涂装车间清洗溶剂回收在线利用的研究
相关短句/例句
solvent refluxing method溶剂回流法
1.Synthesis of PLA catalyzed by SO_4~(2-)/ZrO_2-CeO_2 throughsolvent refluxing method;SO_4~(2-)/ZrO_2-CeO_2催化剂溶剂回流法合成聚乳酸
3)heating and circumfluence method in the organic solvent有机溶剂回流法
4)Solvent reflux extraction溶剂回流提取法
5)solvent recovery溶剂回收
1.Improvement and status of active carbon fiber basket equipment forsolvent recovery;笼式活性炭纤维溶剂回收装置现状与进展
2.Polysulfone/polyacrylamide alloy membrane and its application in organicsolvent recovery;聚砜/聚丙烯酰胺合金膜及其在有机溶剂回收中的应用
3.Analysis and adopted countermeasure for corrosion existed in the BRsolvent recovery system;顺丁橡胶装置溶剂回收系统腐蚀问题分析及对策
6)solvent reclaim溶剂回收
1.In the DMF (Dimethyl Formamide)solvent reclaim system, the percentage of formic acid is about from 0.同时 ,在传统的 DMF回收工艺的基础上 ,设计了第一溶剂回收塔顶的二甲胺污水精馏塔 ,以回收第一溶剂回收塔顶的二甲胺 ;该方法只需对原始流程稍加修改就可达到降低“第二回收塔进料中甲酸浓度过高”和“减少第二回收塔底 DMF损失量”的目的。
2.The inhibition effect of DMAM in DMFsolvent reclaim system was studied.简介二甲基甲酰胺 ( DMF )溶剂回收工艺 ,研究了二甲胺在 DMF溶剂回收系统中对甲酸生成的抑制作用 ,得到了 DMF焦油酸度随二甲胺加入比例的变化规律 ,提出了 DMF溶剂回收过程的工艺流程改造方
延伸阅读
不完全性肺静脉异位回流不完全性肺静脉异位回流partial anormalous pulmonary venous return为肺静脉异位回流的一种类型。常发生于一侧肺脏的部分或全部肺静脉，多见于右侧，约半数与上腔静脉相连，其次与右房、下腔静脉、奇静脉或冠状静脉窦相连。如左肺静脉回流异位，大多与左无名静脉相连，血液经左侧上腔静脉
