INFLUENCE OF TEMPERATURE AND PRESSURE ON THE KINETICS OF Mg-6mol%LaNi PREPARED BY HYDRIDING COMBUSTION SYNTHESIS

2006 ◽  
Vol 19 (2) ◽  
pp. 124-132 ◽  
Author(s):  
Q LI ◽  
K CHOU ◽  
K XU ◽  
L JIANG ◽  
J ZHANG ◽  
...  
1991 ◽  
Vol 56 (3) ◽  
pp. 663-672 ◽  
Author(s):  
Curtis B. Anderson ◽  
Rade Marković

The influence of temperature and carbon monoxide pressure on the course of oxidative carbonylation reaction of 1,5-cyclooctadiene in the presence of the palladium(II) salts as a catalyst, was investigated.


2013 ◽  
Vol 634-638 ◽  
pp. 541-545 ◽  
Author(s):  
Jun Seong Park ◽  
Dae Hee Yun ◽  
Tae Won Ko ◽  
Yong Sung Park ◽  
Je Wan Woo

The kinetics of the Diels-Alder reaction of cyclopentadiene with bis(2-ethylhexyl) maleate has been studied at temperatures between 25 and 100 °C and at atmospheric pressure. The influence of temperature on the kinetic constants was determined by fitting the results to the Arrhenius equation. As a result, fitting line similar with the linear curve of the Arrhenius equation at 25, 30 and 40 °C. However, the fitting curve, at 60, 80 and 100 °C, tended towards the outside of the curve in the form of Arrhenius equation. The ratio of endo/exo was a slight change from increase of the reaction temperature.


2014 ◽  
Vol 955-959 ◽  
pp. 2306-2309
Author(s):  
Shu Bin Zhao ◽  
Pan Zhang ◽  
Xiao Tong Cai ◽  
Dong Fu

The absorption rates of CO2 in diethanolamine (DEA) promoted N-methyldiethanolamine (MDEA) aqueous solution were measured at normal pressure with temperatures ranging from 303.15-323.15K. The influence of temperature and the mass fraction of DEA on the absorption rate of CO2 was illustrated.


1998 ◽  
Vol 54 (3-4) ◽  
pp. 131-145 ◽  
Author(s):  
Fenwei Su ◽  
K Hanumantha Rao ◽  
K.S.E Forssberg ◽  
P.O Samskog

1967 ◽  
Vol 9 (8) ◽  
pp. 626-628
Author(s):  
L. V. Zaretskaya ◽  
E. I. Antonovskaya ◽  
A. V. Markevich ◽  
S. L. Lobychin ◽  
Yu. I. Archkov

2015 ◽  
Vol 228 ◽  
pp. 237-241
Author(s):  
Magdalena Popczyk ◽  
B. Łosiewicz

The Ni+MoS2composite coatings were prepared by electrodeposition under galvanostatic conditions from the Ni-plating bath containing suspended MoS2powder (100 mesh). Investigations of hydrogen evolution reaction (HER) were carried out using steady-state polarization measurements and electrochemical impedance spectroscopy (EIS) in 5 M KOH solution on the coatings obtained at 30, 40, and 50°C. It was found that the kinetics of the HER on the Ni+MoS2coatings decreases with the increase in the electrodeposition temperature of the coatings. This effect is attributed to decreasing content of MoS2(from 26.4 to 18.0 wt.%) embedded into the Ni matrix as composite crystalline component having the electrocatalytic properties towards the HER and/or surface development of the coatings. The higher amount of MoS2was embedded, the more porous electrodes containing pear-shape pores on the surface were produced what was detected by EIS.


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