聚本孔烯 的英文怎麼說
中文拼音 [jùběnkǒngxī]
聚本孔烯
英文
polystyrene-
The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm
本論文以開發無機?有機復合納濾膜為出發點，首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜；選用聚乙烯醇和聚酰胺為表面功能層材料，分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑，採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜；以均苯二甲酰氯、哌嗪和二胺為單體，採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜，並對影響膜性能的諸多因素進行系統研究。The dual - bath coagulation method suggested by j. a. va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically. therefore it may be applied in the field of hemofiltration. to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf, here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material, dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1
為了改善和優化聚醚碸超濾膜（單浴法）在血液過濾實際應用中的性能，本論文以j . a . van ' thof等提出的雙凝固浴法為基礎，以聚醚碸（ pes ）為主要成膜材料，以二甲基亞碸為溶劑，並添加一定分子量的致孔劑（ pvp ，聚乙烯吡咯烷酮）以及一定分子量的添加劑（ peg ，聚乙二醇）按照一定配比在一定溫度下製成透明均一的鑄膜液，靜置脫泡后在一定的工藝條件下製成聚醚碸平板膜和中空纖維膜，然後通過測試膜的結構和性能來評估其用於血液過濾中的前景。In this paper, a positively charged composite nanofiltration membrane was developed by using poly ( n, n - dirnethylaminoethyl methacrylate ) ( pdmaema ) as the active layer material and polysulfone ( psf ) macrofiltration membrane as the support layer
本文以聚甲基丙烯酸二甲氨基乙酯（ pdmaema ）為表層材料，以聚碸（ psf ）微孔濾膜為基膜，制備了荷正電復合納濾膜。Finally, the reason that the performances of new construction putty were improved was analyzed from the point of micro by sem, edxa and mip. the result and phenomena were explained in the course of experiment, the mechanism about shrinkage at early age and anti - cracking of polypropylene fiber were discussed elementary
最後，本文藉助掃描電鏡（ sem ）和能譜分析（ edxa ）及汞壓力測孔法（ mip ）等現代測試分析手段，從細觀的角度分析了新型外墻膩子粉性能改善的原因，並初步探討了聚丙烯纖維膩子的塑性收縮及阻裂增韌機理。This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )
本文主要對聚丙烯腈（ pan ）二甲基甲酰胺（ dmf ） 、 pan二甲基已酰胺（ dmac ）體系進行電紡絲，調節靜電壓（ 20 50kv ） 、噴頭孔徑（ 0 . 5 0 . 8mm ） 、接收距離（ 15 25cm ） 、溶液濃度（ 6wt 14wt ）等過程參數，制得pan納米纖維，纖維平均直徑在200 1000nm ；詳細分析了過程參數對纖維細度、形態等的影響，認為高聚物溶液濃度及靜電壓對纖維細度有決定性影響，其它過程參數如接收距離、噴射孔徑、紡絲溶液溫度、溶液電導率等的調整應以這兩參數為基礎進行。In this thesis, a system of supported liquid membrane selected composed of tbp as carrier, kerosene as the solvent and polypropylene as membrane support material
本工作採用的支撐液膜體系，是以磷酸三丁酯（ tbp ）為載體，煤油作為膜溶劑，多孔性聚丙烯膜為支撐膜材料。Elements of the system include latex - impregnated and synthetic bonded forms, spiral and perfect - bound notebooks, esd - safe transplex and polypropylene clipboards, three - ring binders and tabs, refills, document holders, cleanroom pens, labels and self - binders and tabs, refills, document holders, cleanroom pens, labels and self - adhesive notepads
該系列產品包括用乳膠和合成材料處理過的紙張、筆記本、防靜電聚丙烯書寫板、三孔裝訂夾、分頁紙、文件夾、專用筆、標簽和自粘邊箋紙。This article is about the polymer separator full of holes, we research the performance of the separator, including making two kinds separters that produce wth complete different methods : spreading the separator, pvdf as the basic material, dbp as the plasticizing agent, nm sio2 as the inorganic addition and acetone as the solvent, and make separator on the special machine ; dipping in the separator so that intensify the seprater, its dip liquor is as the liqure as the spreading separator, and dip the base material pp / pe / pp into the liquor for more than 2 hours
本文對多孔聚合物電解質隔膜進行了綜合研究。以聚偏氟乙烯（ pvdf ）為基體，鄰苯二甲酸二丁酯（ dbp ）為增塑劑，納米sio2為無機添加劑，丙酮為溶劑，在流延機上塗布得到了聚合物電解質隔膜。以流延法制備隔膜的漿料為處理液，將基體材料pp / pe / pp浸泡在處理液中2h以上，制備出強化電解質隔膜。In addition, the bioactivity of the composites greatly depends on their morphology, the composite with surface open pores demonstrats excellent bioactivity, and the composite with interconnected pores shows potentially good bioactivity, while the dense composite shows ordinary bioactivity. this work provides an effective way to prepare high quality ha / pmma composites, and enriches the understanding of bioactive behavior of the composites
在該懸浮液中加入聚甲基丙烯酸甲酯（ pmma ）能形成ha pmma復合材料，該復合材料制備技術對有機母相中ha顆粒的大小、分散性、 ha含量及復合材料形貌（緻密、多孔、孔徑大小及連通性）能夠進行有效的調控；本工作中獲得的harpmma復合材料表現出較好的生物活性和力學性能。The stomatal diffusion model was adopted to describe the gas diffusion through the microporous membrane
本文借鑒葉孔擴散理論，建立了氣體通過聚丙烯微孔膜擴散的模型。Two kinds of fluorinated polymer were abstained in that ctfe and tfe served as the main monomers separately, the short name are f - oh and f4 - ss inceptively, which not only can be dissolved in normal solvents, but also are suited for the conservation purpose of cultural object
本研究選用了三氟氯乙烯、四氟乙烯兩種含氟單體和其它共聚單體為原料，合成了兩種能溶解于常規有機溶劑的低粘度並適合於多孔文物保護的含氟共聚物加固劑：以三氟氯乙烯為主的含氟聚合物f - oh和以四氟乙烯為主的含氟聚合物f4 - ss 。分享友人