脫烷 的英文怎麼說
中文拼音 [tuōwán]
脫烷
英文
dealkylation-
This reaction, called the hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl halide.
這個反應稱為Hofman消除反應，它很像鹵代烷的脫鹵化氫反應。Manufacturing technique of wax microcrystalline : with crude oil vacuum residua fractions as material, it is made from propane taking off asphaltum, furfural refining, ketone benzene taking off oil, and argil refining
微晶蠟的生產工藝流程:本產品以天然原油的減壓渣油為原料，經丙烷脫瀝青、糠醛精製、酮苯脫油、白土補充精製及加氫補充精製冷卻后成型而制得該系列產品。After the decarboxylation process the alkane produced can be degraded or "cracked" =to lower carbon number alkanes.
脫羧基作用后，所形成的烷烴能被降解或「裂解」成低碳數烷烴。Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid, with the help of clay minerals catalytic effect, which comes from bacteria, seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions
長鏈烷基苯主要是細菌、藻類和高等植物類脂化合物中脂肪酸在粘土礦物催化下發生環化脫羧再芳構化或單環芳烴與脂肪酸烷基化反應形成的產物。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This reaction, called the hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl halide
這個反應稱為hofman消除反應，它很像鹵代烷的脫鹵化氫反應。Synthesis and industrial production of five hydrogenolysis - debenzylation compounds from hexabenzylhexaazaisowurtzitane
六芐基六氮雜異伍茲烷五種氫解脫芐化合物的合成及工業制備The current situation of utilizing isobutane and isobutylene in china were introduced, the reaction mechanism, reaction process and types of catalyst for preparing isobutylene via dehydrogenation of isobutane were narrated emphatically
摘要介紹我國異丁烷和異丁烯資源的利用現狀，重點對異丁烷脫氫制備異丁烯的反應機理、反應流程和催化劑類型進行了論述。Finally, based on summarization of development status on catalyst for isobutylene preparation from isobutane through dehydrogenation, the suggestion was given that the great effort should pay to the development, utilization reasonably of abundant isobutane resource in china
最後，通過對我國異丁烷脫氫制異丁烯催化劑開發現狀的總結，指出我國應大力合理開發利用豐富的異丁烷資源。05. 01 test method for depentanization of gasoline and naphthas
汽油和石腦油的脫戊烷的試驗方法Standard test method for depentanization of gasoline and naphthas
汽油和石腦油脫戊烷的標準試驗方法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。Abstract : the authers has studied the phase cha racteristics and phase equilibri um of sda ( solvent - deasphalting ) of dagang residue - ic4 and dagang residue m ixed w ith some ccdo ( catalytic cracking decant oil ) - ic4 system under subcritical condit ions systematically
文摘:系統地研究了大港渣油-異丁烷體系及混有催化裂化澄清油的大港渣油-異丁烷體系在亞臨界條件下，溶劑脫瀝青過程的相特性及相平衡。Study of the decolorization property of polyamine flocculants
有機絮凝劑聚環氧氯丙烷胺的脫色性能研究And the main factors which influence modification of montmorillonite, were thoroughly studied and summarized in detail. then an optimum modifying scheme was made out. x - ray diffraction ( xrd ) results illustrate that the crystallized interlayer space of montmorillonite was expanded from 1. 5nm to 1. 7nm
以烷基胺作為有機改性劑，詳細研究了影響粘土有機改性的主要因素，總結出了一套經濟、實用的改性蒙脫土的方案，在國內首次達到中試水平， xrd和ir結果表明：蒙脫土的改性取得成功。However, when aa content exceeded 10wt. - %, the increment of the extent of grafting level off and the grafting efficiency decreased remarkably. afterward hdpe - g - aa / mmt composites and hdpe / mmt composites were prepared via melt compounding
然後用十八烷基季胺鹽處理過的鈉基蒙脫土（ mmt ）分別與hdpe以及hdpe - g - aa熔融插層后制備了兩種復合材料。分享友人