The extraction techniques are generalized under three categories : the supported liquid membrane extraction ( slme ) and microporous membrane liquid - liquid extraction ( mmlle ) based on flat membrane and the liquid phase microextraction ( hflpme ) based on hollow fiber membrane 其应用概括起来分为以下3类：以扁平膜为基础的支撑液膜萃取( slme )和微孔膜液液萃取( mmlle ) ，以中空纤维膜为基础的液相微萃取( hflpme ) 。
In this paper , the structure and properties of polyurethane ( pu ) - sio2 , polyethersulfone ( pes ) - sio2 composite membrane . including composite flat membrane and composite hollow fiber membrane , and responsivity of composite pu hollow fiber membrane pore size to pressure were studied 本文对sio _ 2填充聚氨酯( pu ) 、聚醚砜( pes )复合膜，包括平板膜和中空纤维膜的结构和性能及pu复合中空纤维膜的压力响应性进行了研究。
Concentrations , bore flow rate , dope solution temperature , coagulant bath temperature , 5 types of composite pu hollow fiber membranes were prepared . the recovery extent of different composition hollow fiber membrane pore size is different . the ability to recover of type 另外，在pu纺丝液中混入适量醋酸纤维素( ca ) ，也可有效改善pu溶液的可纺性，提高pu中空纤维膜的支撑强度和耐压强度，但压力响应性有所减弱。
In order to improve the efficiency of alga - removing by conventional water treatment process and offer referential information to the development of integrative drinking water treatment equipments , this paper mainly studied the characteristics of ultra - filtration for the raw water , raw water which adding alum , effusion of sedimentation pond and water taken from a farm lake in xingsha town utilizing hydrophilic modified pan hollow fiber ultra - filtration membrane filters 为了解决水厂传统工艺除藻效率低下的问题,同时也为了给饮用水膜处理设备的开发提供可借鉴的数据资料,本文利用pan中空纤维膜分别对水厂原水、加矾后原水、沉淀池出水、星沙某农家乐池塘水进行了超滤试验。
Extra - luminal flow hollow fiber membrane oxygenator ( elfhfmo ) has been widely applied in cardiopulmonary bypass ( cpb ) and extracorporeal membrane oxygenation ( ecmo ) or extracorporeal life support ( ecls ) because of its advantages over other types of mo . but its low hemocompatibility and durability are the major problems in clinical application that even have limited its wide application . in this paper , we reviewed the recent researches on how to improve the hemocompatibility and durability of elfhfmo 交叉流管外血流式中空纤维膜肺( elfhfmo )以其独特优点已被国内外医学界广泛使用,但临床应用中面临着血液相容性不够和耐久性不好的问题,本文以如何解决这两个问题为线索,综述了近年来的研究进展。
Yan - fang wang , tian - qing liu , ke - dong song , xiang - qin li , chun - yu bao , xue - hu ma , large - scale expansion of rabbit marrow - derived mesenchymal stem cells ( mscs ) in rotating wall vessel bioreactor ( rwvb ) , the 8th tissue engineering society international annual meeting , 2005 , oct . 22 - 25 , p235 , shanghai , china 赵虎，刘天庆，宋克东，李香琴，孙相玉，马学虎.成骨细胞在旋转壁式中空纤维膜生物反应器内的大规模扩增.第二届全国化学工程与生物化工年会. 2005年10月，北京
5 have a better recovery . the flux - transmembrane pressure curves of several kinds of pu composite hollow fiber membranes differed completely from non - deformation membranes , deviated from the linear relation obviously . this strongly indicated that , due to pu characteristics , such as good elasticity and strong recovery , pu - sio2 composite hollow fiber membranes have a comparatively good pressure - responsivity 通过调整纺丝液浓度、 sio _ 2含量、中空芯液流量、纺丝温度、凝固浴温度等参数，纺制出5种较为理想的压力响应性pu复合中空纤维膜，其中，含有20和25 sio _ 2的pu复合中空纤维膜孔径增加和孔径回复最为理想。
Secondly , the grafted membranes were prepared by grafting 2 - acrylamido - 2 - methyl propane sulfonic acid ( amps ) on pretreated membranes using cetric ammonium nitrate ( can ) as an initiator in the aqueous medium . the surface compositions of the grafted membranes were determined by fourier transform adsorption spectrum ( ftir ) and x - ray photoelectron spectroscopy ( xps ) . and the morphology of the grafted membranes was studied by scanning electron microscopy ( sem ) and atomic force microscopy ( afm ) 然后，选用硝酸铈铵作为引发剂， 2 -丙烯酰胺- 2 -甲基丙磺酸( amps )为接枝单体，在水溶液体系中进行接枝共聚反应制备pvdf ? g ? amps中空纤维膜，并利用傅立叶红外光谱( ftir ) 、 x光电子能谱( xps ) 、扫描电子显微镜( sem )及原子力显微镜( afm )等检测手段证实了接枝共聚物的存在。
The main studies of this thesis have been focused on the mass transport phenomenon in the hollow fiber membrane contactor , including the development of the model of the gas diffusion through the microporous membrane , the analytical solution of the shell side mass transfer differential equation in an orderly packed parallel flow module , the calculation of the shell side flow distribution in a randomly packed module , the estimation of the influence of the random arrangement of the fibers on the shell side mass transfer , and the experiments of the absorption of co2 into water 膜接触器是一种通过膜作为两相之间的分离界面而实现相间传质的杂化膜过程。本论文主要研究中空纤维膜接触器的传质行为，研究内容包括气体通过微孔膜扩散模型的建立、中空纤维膜均匀分布的平行流组件壳程传质微分方程的解析求解、中空纤维膜不均匀分布组件中流体分布的数学计算、中空纤维膜不均匀分布对壳程传质影响的估算以及co _ 2气体吸收实验。
For the conformation of ampsa polymeric chains , fluxes through the grafted membranes were very sensitive to the solution ionic strength and also to the solution ph . at higher ph or lower / , the flux through the grafted membranes was lower ; conversely , the flux through the grafted membranes increased as ph decreased or i increased 考察了溶液ph值和离子强度对改性膜通量的影响，实验发现，当ph值较高或离子强度较低时，改性中空纤维膜通量相对较低；相反，当ph值较低或离子强度较高时，改性中空纤维膜通量相对较高。
