炔烃

acetylene series

炔烃

acetylene route 乙炔路线 | acetylene series 炔烃 | acetylene welding outfit 乙炔焊设备

acetylene

炔

乙炔(acetylene)是最简单的炔烃,又称电石气. 分子式HC≡CH,化学式C?H?,无色有芳香气味的易燃气体. 乙炔分子量26.4,气体比重0.91(Kg/m3),热值12800(千卡/m3)在氧气中燃烧速度7.5 ,纯乙炔在空气中燃烧2100度左右,在氧气中燃烧可达3100℃,

alkine

炔烃

alkide resin 醇酸树脂 | alkine 炔烃 | alkone 酮

alkine,alkyne

炔烃

"alkide resin","酸醇树脂" | "alkine; alkyne","炔烃" | "alkoxide","烷氧化物"

alkyne

炔烃

C=C大于C―C单键,但又小于C―C键能的2倍,由此推断,π键的键能小于σ键的键能.π键不如σ键牢固,比较容易断裂,易发生化学反应,从而表现出π键比σ键活泼,烯烃比烷烃易发生加成反应.炔烃(alkyne)的结构特征是C≡C中的碳原子均为sp杂化,

alkyne

炔; 链炔烃

alkylphosphonothio dihalide 烷基硫代膦酰二卤 | alkyne 炔; 链炔烃 | alleviating measures 缓和措施; 减轻措施

acetylenic hydrocarbon

炔烃

,"acetylenic halide","炔属卤化物" | ,"acetylenic hydrocarbon","炔烃" | ,"acetylenic ketone","炔酮"

alkenes alkenyl

烯烃

烷烃:hydrocarbon alkyl | 烯烃:alkenes alkenyl | 炔烃:alkynes alkynyl

Alkynes

烯/炔 烃

? Polymers聚合物 | ? Alkynes 烯/炔 烃 | ? Aromatic Acid Halides. 芳香酸卤化物

alkynes alkynyl

炔烃

烯烃:alkenes alkenyl | 炔烃:alkynes alkynyl | 卤代烃:alkyl halides

antiquated law：兩- 過時的法例

anti-fraud 兩- 打擊欺詐 港- 打擊詐騙 台- 制止背信 | antiquated law 兩- 過時的法例 | anti-trust 兩- 反托拉斯;反壟斷 台- 反托拉斯;反獨佔;反壟斷

permutable：可排列

permutability 转置性 可置换性 换排性 | permutable 可排列 | permutate 重排列