環烴 的英文怎麼說
中文拼音 [huántīng]
環烴
英文
[化學] （閉鏈烴） cyclic hydrocarbon-
A novel method for palladium - catalyzed cyclotrimerization of alkynes in supercritical carbon dioxide ( scco2 ) has been developed
摘要研究了以超臨界二氧化碳為反應介質溴化鈀催化炔烴環三聚反應的新方法。The benzenoid hydrocarbon are all nonclassical and, thus potentially aromatic.
苯環型烴都是非經典烴，因此，可能是芳香烴。Toward this end, the olefin 51 was treated with cyanogen azide and, indeed, produced the ring expanded ketone 52.
為了證明這一看法，他用氰化迭氮處理烯烴（51）就得到擴大的環酮。Toward this end, the olefin 51 was treated with cyanogen azide and, indeed, produced the ring expanded ketone 52
為了證明這一看法，他用氰化迭氮處理烯烴（ 51 ）就得到擴大的環酮。A novel calix [ 4 ] arene - based fluorescent chemosensor bearing 2 - aminopyridine moiety and naphthalenic fluorphore was synthesized, and the chemical structure of the product was identified by ft - ir, ms - fab, nmr and elemental analyses
摘要以杯[ 4 ]芳烴為平臺、氨基吡啶基團為識別位點、蔡環為熒光基團，合成了一類新型熒光化學傳感器。The prefixes cis and trans are frequently applied to disubstituted cycloalkanes.
詞頭順和反常用於雙取代的環烷烴。6. investigate the base oil for environment friendly lubricant and then select the composition of colza oil, esters and pao2. discuss on low - temperature flowability theories of vegetable - base lubricants
對環境兼容潤滑油的基礎油進行了考察，選擇菜籽油、季戊四醇酯和聚-烯烴作為基礎油，並從理論上對植物基潤滑油的低溫流動性原理進行了探討。It can used to separate normal paraffin from branched hydrocarbon and cricoid hydrocarbons through selective adsorption
5a分子篩吸附劑可通過選擇性吸附過程而從支鏈烴及環狀烴中分離出正構烷烴。Cyclization of olefines
烯烴環化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 wide variety of natural products, e. g. alkaloids, - lactames, biotin, amino sugars has been synthesized by 1, 3 - dipolar cycloaddition reaction between nitrones and alkenes
通過硝酮與烯烴化合物的1 ， 3 -偶極環加成反應合成了許多天然?物，如生物鹼、 -內酰胺、生物素、氨基糖等。Abstract : a wide variety of natural products, e. g. alkaloids, - lactames, biotin, amino sugars has been synthesized by 1, 3 - dipolar cycloaddition reaction between nitrones and alkenes
文摘:通過硝酮與烯烴化合物的1 ， 3 -偶極環加成反應合成了許多天然產物，如生物堿、 -內酰胺、生物素、氨基糖等。The process provides a facile way of producing hydrocarbl perchlorate from alkenes, cycloalkenes, aralkenes, alkanols, cycloakanols and aralkanols.
本文介紹了從鏈烯、環烯、芳鏈烯、鏈烷醇、環烷醇、芳烷醇來制備過氯酸烴基酯的方便方法。The process provides a facile way of producing hydrocarbyl perchlorates, from alkenes, cycloalkenes, aralkenes, alkanols, cycloalknols and aralkanols.
本工藝程序提供了從鏈烯、環烯、芳鏈烯、鏈烷醇、環烷醇、芳烷醇來制備過氯酸烴基酯的方便方法。Test method for oxygenates and paraffin, olefin, naphthene, aromatic o - pona hydrocarbon types in low - olefin spark - ignition engine fules by gas chromatography
利用氣相色譜法對石蠟烯烴環烴和芳香性物質在低烯烴引擎機油中氧化性的測定方法Standard test method for oxygenates and paraffin, olefin, naphthene, aromatic o - pona hydrocarbon types in low - olefin spark ignition engine fuels by gas chromatography
用氣相色譜對低烯烴火花點火引擎燃料芳香碳氫化合物類型，環烴，烯烴，石蠟和氧化物的標準試驗方法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Test method for benzene content of cyclic products by gas chromatography
氣相色譜法對環烴產品中含苯量的試驗方法Standard practice for using field - portable fiber optics synchronous fluorescence spectrometer for quantification of field samples for aromatic and polycyclic aromatic hydrocarbons
芳烴和多環烴現場取樣合格評定用現場便攜式光纖同步熒光分光光度計標準實施規程Industrial and occupational exposure to certain chemicals or building materials, e. g. asbestos, nickel, uranium, chromium compounds, arsenic, polycyclic hydrocarbons, and chloromethyl ether
因工業及職業關系曝露于某些化學品或建築物料（如石棉、鎳、鈾、鉻化物、砷、多環、烴及氯甲基醚） 。分享友人