propene造句

例句与造句

1. 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. It's difficult to find propene in a sentence. 用propene造句挺难的
7. 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。