脫甲烷的 的英文怎麼說
中文拼音 [tuōjiǎwánde]
脫甲烷的
英文
demethanizing-
Prepar1ng po1 ypropy1ene / montmori l lon 1 te nanocomposi tes ( pcn ). ma1 ei c anhydride ( mah ) / styrene ( st ) was app1 ied to graft wi th pp and montfnori 1lo - nite was interca1ated by ppalg - - mah / st in the same t1me. effects of intercalat ion agent htab on the basal spaci ng ( d., . )
首先考察了插層劑對蒙脫土片層間距的影響,小角x -衍射表明在插層劑十六烷基三甲基溴化銨( htab )的作用下,無機土片層間距最大可被撐至4 . 0nm ,並且d _ ( 001 )值與插層劑的濃度大小有密切的關系。Polybenzoxazine / vermiculite hybrid nanocomposites were prepared from two kinds of polybenzoxazine precursors and two kinds of organically modified - vermiculite minerals and expanded - vermiculite which were consisted of vermiculite, hydrobiotite and phlogopite. after treatment of vermiculite minerals by hexadecyl trimethylam monium bromide ( ctab ), the d001 of vermiculite layers of vermiculite mineral increased from 1. 43nm to 2. 67nm and developed a d002 = 1. 34nm
本文分析了蛭石精礦和膨脹蛭石的組成和結構,用十六烷基三甲基溴化銨( ctab )進行了有機化處理,再通過熔融或溶液混合插層苯並嗯嗪樹脂( ben )制備了ben插層蛭石納米復合材料,並採用蒙脫土進行了對照實驗。The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute
本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液均苯三甲酰氯正己烷溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等,結果發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾比為某一比值時,通過控制界面聚合時間(有機相處理時間) ,可以形成超低壓高通量高脫鹽的緻密功能層,如復合膜( ) ,水相濃度為0 . 4 ,有機相濃度為0 . 1 ,聚合時間1min 。The investigation of catalytic activity of la - sr - fe - co perovskite - type - oxide
甲烷在鈣鈦礦型催化劑上脫硫脫氮的研究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。Study on the optical properties of transparent epoxy / clay nanocomposites a new type transparent epoxy based nanocomposites has been prepared by the reaction of alkylammonium exchanged montmorillonite ( amt ) with diglycidyl ether of bisphenol a ( dgeba ) and triethylamine as the curing agent. the morphology of amt in the epoxy matrix was characterized with x - ray diffraction ( xrd ), scanning electron microscopy ( sem ) and transmission electron microscopy ( tem )
光學透明環氧樹脂粘土納米復合材料光學性能採用十八烷基伯胺鹽、十六烷基三甲基溴化胺處理na基蒙脫土製備出兩種不同的有機土,以三乙胺為固化劑,有機土與雙酚a型環氧樹脂熔融插層聚合后制備出剝離型和插層型兩種結構的環氧樹脂粘土納米復合材料。An ambient - temperature iodomethane sorbent was developed. adsorption kinetic equation for the sorbent via was obtained via experiment in fixed bed reactor, with good fittings between calculated and experimental values
摘要制備了一種常溫脫碘劑,在固定床反應器中研究了該脫碘劑與碘甲烷氣體的床層反應動力學,並在此基礎上推導出了床層動力學方程。研究結果發現,實驗值與計算值十分吻合,可用於實際計算。This article analyze the condition of demethanizer after revamping. the operation state afterwards the revamp is summarized and further optimization of the demethanizer is given in the paper
摘要通過乙烯裝置脫甲烷塔系統改造后的運行狀況的分析,對脫甲烷塔改造后的運行狀態進行了總結,並為更進一步的優化工藝條件提出措施。Organophilic montmorillonite was obtained by cation exchange on montmorillonite surface, which was modified from hydrophilic to hydrophobic and led to the increase in the basal distance between silicate layers of about 1nm. the intercalation and exfoliation behavior of organophilic montmorillonite in dgeba - montmorillonite system have been investigated by x - ray diffraction and transmission electron microscopy and the properties of nanocomposites were tested
在環氧樹脂蒙脫土納米復合材料的制備中,用十六烷基三甲基氯化銨通過陽離子交換的方法對蒙脫土進行了有機化處理,使蒙脫土由親水性變成親油性,其層間距也由原來的1 . 2nm擴大到2 . 2nm 。Natural gas purification plants must remove co2 because the methane is heading for a liquefied natural gas tanker and must be kept free of cold, solid carbon dioxide ( dry ice ) that could clog the system or because the co2 concentration is too high ( above 3 percent ) to be allowed on the natural gas distribution grid
天然氣純化廠中,由於甲烷要導入液化天然氣槽,必須嚴防冰冷堅硬的二氧化碳(乾冰)可能堵塞系統,或二氧化碳濃度過高(超過3 % )導致無法用於天然氣供配網,因此必須脫去二氧化碳。分享友人