丙二烯

丙二烯是甲基乙炔的一种异构体。

Allene is an isomer of methyl acetylene .

所设计的滴流床反应器用于碳三馏分液相选择加氢新工艺以脱除甲基乙炔（MA）和丙二烯（PD），具有较好的适用性。

The trickle bed reactor is designed for the new process of the liquid phase selective hydrogenation of C 3 hydrocarbons to remove methyl acetylene ( MA ) and propadiene ( PD ), with an effective performance .

报道了一种以表面活性剂、丙二烯二胺和柠檬酸、EDTA为主要组分的硫化亚铁清洗剂配方和其在炼油装置应用的情况。

A detergent for cleaning iron monosulfide was formulated with surfactant , diamino-propadiene , citric and EDTA , and its cleaning mechanism was discussed .

氰基丙二烯与乙烯环加成机理的理论研究

Theoretical Study on the Cycloaddition of-CN Substituted Propadiene with Ethylene

聚合级丙烯中痕量丙二烯和丙炔的气相色谱分析

Trace Analysis of Propadiene and Propyne in Polymerization Grade Propylene by Gas Chromatography

丙二烯分子中的共轭π键

The conjugated π bonds in molecule of propadiene

联烯是含有1,2丙二烯官能团的重要化合物，具有很高的反应活性。

Allenes , which contain the functional group of 1,2-propadiene , are highly reactive .

氨基取代烯烃、炔烃、丙二烯等的氢化胺化/环化等反应在有机合成中的主要用途，这些反应在形成碳杂原子键、碳碳键、碳环和杂环等方面具有广泛的应用前景。

These reactions show potential applications in C-C bond , carbon heteroatom bond , carbon rings and carbon heteroatom rings formation .

北京化工研究院开发出新型碳三液相选择加氢除丙炔、丙二烯的工艺和催化剂，其技术特点是：（1）单段滴流床加氢；

A new process with a new catalyst for liquid phase selective hydrogenation of C_3 fractions has been developed . Its characteristics are : ( 1 ) use of single stage trickle bed ;