alkenes
美 ['ælk?nz] 
英 ['ælk?nz]
詞形變化
復數：alkenes
英漢解釋
英英解釋
例句
This article reviews recent methods used in organic synthesis for the stereoselective reduction of alkynes to Z or E alkenes .
綜述了在有機合成領域中，通過炔烴立體選擇性還原制備Z-或E-烯烴的近期方法。
The photosensitized coupling reaction of halogenated aromatic compounds with arenes and alkenes is a key reaction in constructing C-C bonds.
鹵代化合物的光敏化脫鹵及與烯烴或芳烴的偶聯反應是構建C-C鍵的重要手段。
A lower LHSV benefited the conversion of the alkanes, but a further decrease of LHSV would reduce the selectivity of the alkenes .
較低的空速有利于十二烷的轉化，但進一步減小空速將造成十二烯的選擇性明顯降低。
Main ingredients : aloe, collagen, vitamins silicon-alkenes-alcohol.
主要成分：蘆薈，膠原蛋白，硅烷醇，維生素等.。
There are 12 Terpenoids and alkenes compounds being main allelochemicals. It was 45. 04% of the total substances detected.
被認為是主要他感物質的萜烯類物質有12種，占揮發油總量的45.
As evidence, he points to studies showing that Alzheimer's patients have large amounts of type-2 alkenes in their brains.
他還出示了能夠證明阿爾茲海默患者腦中含有大量2型烯烴的研究作為證據。
The synthesis and application of vinylic tellurides in stereoselective synthesis of alkenes were reviewed. 49 reference are quoted.
綜述了近年來烯碲化合物的合成及其在立體選擇合成中的應用。參考文獻49篇。
But he disagreed with the argument that type-2 alkenes in the environment are part of the story.
但他不同意環境中的2型烯烴會導致阿爾茲海默癥。
Alkenes have one or more double bonds between carbon atoms, where two pairs of electrons are shared.
鏈烯有一個或多個共價鍵，即碳原子分享兩對電子。
Exposure to type-2 alkenes in the environment has already been linked with cancer, heart disease, and other problems.
科學家已經將癌癥、心臟病及其他疾病與暴露在含有2型烯烴的環境里關聯起來。
The 1, 3dipolar cycloaddition of pyridinium ylides with alkenes in the presence of TPCD, a mild bimetallic oxidant, was studied.
研究了吡啶钅翁鹽生成的葉立德與烯烴在一種溫和的雙金屬氧化劑TPCD存在下的1,3-偶極環加成反應。
And cigarette smoking increases the risk of Alzheimer's by more than 150 percent, possibly because of the type-2 alkenes in tobacco smoke.
二手煙將罹患阿爾茲海默癥的風險提高1.5倍，很可能是因為煙草中含有2型烯烴。
Alkene Bromination Used for Detailed Hydrocarbon and Bulk Hydrocarbon Group-Type Analysis of Gasolines Containing Alkenes
溴加成脫烯反應用于含烯汽油單體烴及族組成的分析
QSPR Models of Thermodynamic Properties of Alkenes with Principal Quantum Number Topological Index and Its Converse Index
主量子數拓撲指數及其逆指數與烯烴熱力學性質的定量關系
Correlation between the Addition Reactivity and Alkyl Polarizability Effect for Alkenes
烯烴加成反應活性與烷基極化效應的關系
Molecular Topological Research into the Dissolving Solubility and Cofficiency of the Distribution of Alkenes
烯烴化合物的溶解度和分配系數的分子拓撲研究
Conjugated Polarizability Potential of Conjugated Alkenes
共軛烯烴的共軛極化勢
Study on Thermodynamics of Balanceable Reaction System for Hydrogenation of Carbon Dioxide to Light Alkenes
二氧化碳加氫合成低碳烯烴反應平衡體系熱力學研究
Study on Production of Light Alkenes by Gas Phase Oxidative Cracking of Cyclohexane
環己烷氣相氧化裂解制低碳烯烴
Static Synthesis of Zeolites MCM-56 and its Catalytic Performance in Alkylation of Benzene with Long-chain Alkenes
MCM-56分子篩的靜態合成及對苯與長鏈烯烴烷基化反應的催化性能
Progress in Investigation on the Asymmetric Hydrocyanation Reaction of Alkenes
烯烴不對稱氫氰化的研究進展
Advances in Light Alkenes Production by Hydrocarbon Selective Oxidation
烴類選擇氧化制低碳烯烴的研究進展
Research progress in alkylation reaction of benzene with long chain alkenes
苯與長鏈烯烴烷基化反應技術的研究進展
Conversion of light alkanes to alkenes under the action of non-equilibrium plasma
非平衡等離子體作用下低碳烷烴無氧烯烴化反應研究
Research on the Alkylation of Benzene with Long Chain Alkenes in Ultrasonic Field
超聲場中苯與長鏈烯烴烷基化反應的初步研究
Atmospheric particle formation from the ozonolysis of alkenes in the presence of SO
存在時來自烯烴臭氧分解的大氣微粒形成
Calculating the Refractive Index of Alkenes Using the Group Bond Contribution Method
應用基團鍵貢獻法計算烯烴的拍光指數
Progress in direct amination of alkenes to aliphatic amines
由烯烴直接胺化合成脂肪胺的研究進展
The Correlation between a New Topological Index and the Properties of Alkenes
一種新的拓撲指數與烷烴物性關聯
Study on correlativity between alkyl benzene thermody-namics properties and topological indices of alkenes
烷基苯的熱力學性質與價鍵拓撲指數的相關性研究
Technology on the Reduction of Alkenes from FCC Gasoline
FCC汽油改質降烯烴技術綜述
A Discussion on the Mechanism of Addition to Alkenes
關于烯烴加成反應歷程的討論
Alkenes in the Arctic boundary layer at Canada
加拿大北極邊界層的鏈烯
The Nature of NMR Chemical Shifts of Proton and Carbon in Alkenes
烯氫和烯碳化學位移的本質
