Burning gases for welding and cutting . propene 焊接切割用燃气.丙烯
2.
Study on synthesis of 2 - propene - 1 - thiol 烯丙硫醇的合成研究
3.
Propylene . determination of the propene and propadine . gas phase chromatographic method 丙烯.丙烯和丙二烯含量的测定.气相色谱法
4.
Liquefied petroleum gases ; propane , propene , butane , butene and their mixtures ; requirements 液化石油气.丙烷丙烯丁烷丁烯及其混合物.要求
5.
Preparation and performance of cu2 - ti - pillared montmorillonite modified by so2 - 4 for selective reduction of no by propene under lean - burn condition 改性钛交联蒙脱催化剂的制备与性能
6.
First in an 150 - 550 temperature range , the influence of oxygen concentration , space velocity and propene concentration on the no conversion was investigated and then also the macro kinetics of propene oxidization and no reduction 本文研究了在pt al _ 2o _ 3催化剂上进行的hc - scr反应，用以稀燃发动机尾气的治理。首先在150 - 550温度范围内考察了氧气浓度、空速及还原剂浓度对no转化的影响。
