烷烴環化 的英文怎麼說
中文拼音 [wántīnghuánhuà]
烷烴環化
英文
cyclization of paraffins-
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。Scanning electron microscope ( sem ) and x - ray photoelectron spectroscopy ( xps ) studies indicated that the additive of cs _ 2 took part in the sei film - forming in the process of battery cycles. the elements of carbon, oxygen and fluorin are the main members in the compounds of sei film. sulfur is also one of the main elements of the sei film when the electrolyte included additive of cs _ 2
利用掃描電子顯微鏡和x射線光電子能譜研究表明,二硫化碳在電池的循環過程中參與了sei膜的形成, sei膜的組成物質中主要是c 、 o 、 f三種元素,加入二硫化碳后, s元素也成為主要組分, sei膜的主要組成物質有烷基氧鋰、烷基碳酸酯鋰、碳酸鋰、硫酸鹽、聚烯烴及氟化鋰等。The coal - bed gas is the one kind low pollution energy, and its major composition is methane, a small amount heavy hydrocarbon and some non - hydrocarbon gas bodies ( such as nitrogen gas, the carbon dioxide etc )
煤層氣是一種低環境污染能源,其主要成分是甲烷,少量重烴氣體和一些非烴氣體(如氮氣,二氧化碳等) 。The addition of alkyl groups to pahs enhances the carcinogenic potential of these compounds
烷烴加在多環芳烴上的系列會提高這些化合物的致癌作用。2 petroleum crude oil : refers to naturally occurring crude oil that is mixtures of hydrocarbon compounds that contain mainly paraffin hydrocarbon, cycloparafin hydrocarbon, and aromatic hydrocarbon
二石油原油:指一種源於自然界之原油,為碳氫化合物之混合物,其主要成分為石蠟烴、環烷烴、芳香烴等。The neutral bio - oi1 can be separated into three fractions : the fraction washed down by cyclohexane ( c1 ) mainly contains aromatics with up to four rings ; the fraction washed down by benzene ( c2 ) mainly contains alkyl - substituted aromatic hydrocarbons and polyphenols ; and the fraction washed down by methanol ( c3 ) mainly contains ester polar components
中性油層析分離為3個餾分:環己烷洗脫餾分( c1 )主要為四環以下純縮合化合物;苯洗脫餾分( c2 )主要由單環烷基芳烴和多酚組成;甲醇洗脫餾分( c3 )主要是酯類極性化合物。Results : some sorts of perchlorinated polycyclic aromatic hydrocarbon and methylsilsesquixane were synthesized
合成得到了全氯化多環芳烴和硅倍半氧烷。Both production development and environment protection force us to use highly purified linear paraffins, wherefore the technologies of linear paraffin purification with low cost and high efficiency are urgently needed by the market
生產與環保的發展均需使用高純度的直鏈烷烴,市場對廉價而高效的直鏈烷烴凈化工藝有著迫切的需求。分享友人