The test result shows clearly that reaction rate of Zn and H_2SO_4,when composing of Zn-Cu cell, is faster.

The two synthesis routes were compared from the reaction rate,prepolymers structure and prepolymer’s properties such as viscocity, molecular weight distribution, glass transition temperature.

According to effective collision and transition state theory, the rate constant k is regarded as the reaction rate under thermodynamic normal concentrations,and the k may have the same unit as reaction rate.

Use of concept in green chemistry, with the improvement of experiment equipment and calculation pattern, determining decomposition reaction speed of H_2O_2 can be conducted without measuring the volume(V_∞) of released dioxygen .

The discussion of oxidation-reduction reaction is often limited to the orientation and limit of reaction and neglects the study of reaction speed.

The results showed that the reaction was of second order, and the ratio of the number of N to Si of the silicon-nitrogen compounds, as well as the ring tensile force, had effect on the reaction velocity of the bulk reaction.

Using the improve wet wall tower measure the reaction velocity coefficient of NH_3-CO_3.

In the substitution reaction of nucleophilic, whatever we use S_N1 or S_N2 reaction course, the rate of reaction is the most rapid.

Study on explicit integration formula for dynamic acceleration response;

Field monitoring on vibration acceleration response of railway in seasonal frozen region of Daqing induced by train-steering in winter