環二烯烴 的英文怎麼說
中文拼音 [huánèrxītīng]
環二烯烴
英文
cyclodiolefin-
Studies on the synthesis of imide - functionalized, - unsaturated ketones and their cycloaddition reaction
不飽和酮的合成及與二烯烴環加成反應的研究A series of copoly ( olefin - co - ester ) s were synthesized and characterized by starting from cyclooctene, cyclooctadiene or nobornene with ethanediol di ( 10 - undecenoate ) via metathesis copolymerization and hydrogenation reaction
摘要通過環辛烯、環辛二烯和降冰片烯-十一烯酸乙二醇二酯的易位共聚合及氫化反應合成了烯烴共聚酯。The compounds are prepared by the epoxidization of dinitrofluoromethyl olefins with peroxytrifluoroacetic acid.
這種化合物,由二硝基氟甲基烯烴與過氧化三氟醋酸進行環氧化反應而得到。The feed reactants can be alkadienes, cycloalkadienes.
所加的反應物可以是二烯烴、環二烯烴。Methods of test for petroleum and its products - determination of polycyclic aromatics in unused lubricating base oils and asphaltene free petroleum fractions - dimethyl sulphoxide extraction refractive index method
石油和石油產品試驗方法.第102部分:未用的潤滑基油和不含瀝青烯的石油餾分物中多環芳香族環烴的測定.二甲硫析取物折射指數法Abstract : seven major methods and their reaction characteristics for the synthesis of primary vicinal diamines starting from epoxides, and alkenes etc. are given in detail
文摘:詳細綜述了從環氧化合物、烯烴等為起始原料合成一系列一級鄰二胺的七條主要路線,並比較了各條反應路線的特點。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 recent advances in olefins oligomerization catalyzed by metallocene catalyst have been reviewed. emphasis is given to the catalytic reactions, cyclization and prospect of application of metallocene catalyst
摘要本文介紹近年來國內外在茂金屬催化劑烯烴劑聚與環化方面的研究進展,主要側重於茂金屬催化劑烯烴劑聚, , -二烯的環化及應用前景。During 2003, the department embarked on risk assessment projects on acrylamide in food, dietary exposure to mercury of secondary school students salmonella in egg and egg products, polycyclic aromatic hydrocarbons in barbecued meat, patulin in apple juices and 3 - monochloropropane - 1, 2 - diol in savoury products other than soy sauce. the last two projects were conducted in collaboration with the consumer council
年內,本署進行的風險評估研究有: 「食物的丙烯胺含量」 「中學生從食物攝取到汞的情況」 「蛋及蛋製品內的沙門氏菌」 「烤肉內的多環芳香烴」 「蘋果汁含黴菌毒素」及「調味醬料不包括豉油的氯丙二醇含量」 。分享友人