脫乙烷 的英文怎麼說
中文拼音 [tuōyǐwán]
脫乙烷
英文
deethanation-
A study on cr ceo2 catalysts and their catalytic performance for dehydrogenation of ethane
2體系及其對乙烷脫氫反應催化性能的研究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。Standard specification for vapor - degreasing grade and general solvent grade 1, 1, 1 - trichloroethane
蒸氣脫脂級和普通溶劑級1 ， 1 ， 1 -三氯乙烷的標準規范After the organic modification of montmorillonite, the interplanar spacing of montmorillonite increased from 1. 21nm to 1. 78nm. up ( unsaturated polyester ) mmt ( montmorillonite ) nanocomposites were prepared by dispersing organically modified montmorillonite in prepromoted up resin and subsequently cross - linked using methyl ethyl ketone peroxide catalyst at several different clay concentrations
將有機蒙脫土分散到不飽和聚酯中，加入引發劑（過氧化甲乙酮） 、促進劑（環烷酸鈷） ，使不飽和聚酯交聯制得納米復合材料。Catalytic dehydration of n - hydroxylethyl pyrrolidone on reox and mox doped nnanozro2 catalysts
2催化劑催化羥乙基吡咯烷酮脫水反應研究Effect of preculture beads were encapsulated and incubated in culture medium containing 2 % peg and 5 % pvp respectively for 90 min before dehydration. cell viability of pavlova viridis was increased by 6 % after freezing. preculture had less effect on cell viabilities of other two algae
（ 4 ）預培養的影響將膠球在分別含有2 %聚乙二醇（ peg ）和5 %聚乙烯吡咯烷酮（ pvp ）的培養基中預培養90min后脫水。綠色巴夫藻冰凍前後的存活率都有提高，最大可提高5 % 。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。In this paper, we make use of hexadesyltrimethyl, an approximate ammonium compounding ( 15 - ch2 - number 17 ), ocatadecylaminechloried as cation exchange agents. the montorillonite is treated with these agents, which results in marked increase in their organophilic properties. the orgnic - montmorillonite has been identified by x - ray diffraction, different thermal analysis and infrared adsorption spectra
在本文中，我們分別用十六烷基三甲基溴化銨、一種混銨鹽（ 15主鏈- ch2 -數量17 ）和十八烷基氯化銨作為陽離子交換劑，對蒙脫土進行了改性，使之由親水性變成親油性，繼而採用熔融插層方法制備了聚乙烯/蒙脫土復合材料。分享友人