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Mechanisms of Methane Decomposition over Ni Catalysts at High Temperatures
Methane decomposition Nickel catalyst Spherical alumina support
2009/8/4
Decomposition of methane over nickel catalyst supported on spherical alumina was investigated using a thermogravimetric apparatus. The reaction products were hydrogen and multi-walled carbon nanotube...
Measurement of heat generation in drill bits under simulated drilling conditions and estimation of temperatures in drill bits during drilling
heat generation in tri-cone bits cooling effect by circulation fluid
2009/4/24
In high-temperature formation drilling, the life of drill bits becomes shorter due to thermal damage to the O-ring seal set in the bearing part. An increase in the formation temperature has been rega...
Empirical expressions for gas hydrate stability law, its volume fraction and mass-density at temperatures 273.15 K to 290.15 K
gas hydrate stability law fraction out of pore space mass-density empirical expressions
2017/8/10
A series of empirical expressions for predicting gas hydrate stability, its volume fraction out of pore space and gas hydrate mass-density were established in different systems in consideration of gas...