| 1. | Burning gases for welding and cutting . propene
焊接切割用燃气.丙烯
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| 2. | Study on synthesis of 2 - propene - 1 - thiol
烯丙硫醇的合成研究
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| 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
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| 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
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| 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
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| 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。
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