It is shown that, the remnant of potassium hydroxide catalytic agent in synthesis gum, different vinyl content and active substituents distribution, addition of silicon dioxide and control agent, different kind of cross linking agent and forming work have a significant effect on the compression chemical stress.

The solvent effects on the complexing reaction of nickel dithiolene and ethylene;

Modeling and analysis of oxidation reactor of ethylene coupled mass-transfer and reaction;

C_2H_4 gas photocatalysis reaction activated by TiO_2 powder immobilized on glass pipe;

C_2H_4 removal by gas photocatalysis reaction of TiO_2 film coated on glass pipe;

Ethene Adsorption on Mordenite and Modified Mordenite;

Study on production of propylene and ethene from 1-butene by catalytic cracking;

Dimerization of Ethene Catalyzed by Acidic Zeolites;

Low temperature at 0℃±1℃resulted in decrease of respiratory rate and C2H4 production significantly, and retained good quality of fruits for a longer storage period.

Experimental results showed that the activity of n-C4 and yield of alkene, especially C2H4, over acidic zeolites were higher than that of Basic zeolites.

The insulation structure, demand and method of design, selection of insulation material and testing results on physical properties of C2H4 tank are introduced.

Surface-enhanced Raman spectrum of acetylene and ethylene in the simple gas cell;

s:Hydrogenation of acetylene on 12% Ni/CNF?0.

The effect on activity of catalyst,and the influences of temperature have been investigated in the two type of hydrosilylation,we found the reaction of cyclohexene with hydrogenc-cotaining chlorosilane must need the presence of oxygen,but the acetylene with hydrogen-containing chlorosilane can react without the presence of oxygen.