Results 51 to 60 of about 1,660,853 (148)

Clean Ocean Advocate, November 2007

open access: yes, 2007
The monthly Clean Ocean Advocate newsletter informs citizens about critical ocean pollution issues, important meeting dates, proposed legislation, special events, and other notes of interest.

core   +1 more source

Several key issues and insights in full-scale proppant-support fracturing for deep coal rock gas formations

open access: yesMeitan xuebao
Our country has abundant coal rock gas resources. Hydraulic fracturing is a key technology for effectively developing coal rock gas reservoirs. Due to the differences in the mechanical properties, microstructure, gas occurrence states, and productivity ...
Jianchun GUO   +9 more
doaj   +1 more source

Fracturing fracture propagation law of coal seam and its influencing factors in the Shizhuang North Block

open access: yesMeitan kexue jishu
It is of great significance to reveal the law of fracturing fracture propagation and influencing factors in coalbed methane (CBM) reservoirs for the formulation of fracturing technology and the efficient development of CBM resources.
Wenlong HAN   +3 more
doaj   +1 more source

Clean Ocean Advocate, July 2007

open access: yes, 2007
The monthly Clean Ocean Advocate newsletter informs citizens about critical ocean pollution issues, important meeting dates, proposed legislation, special events, and other notes of interest.

core   +1 more source

Clean Ocean Advocate, May 2009

open access: yes, 2009
The monthly Clean Ocean Advocate newsletter informs citizens about critical ocean pollution issues, important meeting dates, proposed legislation, special events, and other notes of interest.

core   +1 more source

Economic analysis of heating for an enhanced geothermal system based on a simplified model in Yitong Basin, China

open access: yesEnergy Science & Engineering, 2019
Yitong Basin is located in subfrigid zone, and it has a good prospect to use geothermal clean heating. The evaluation of economic efficiency for heating with enhanced geothermal system (EGS) is indispensable.
Yibin Huang   +5 more
doaj   +1 more source

Clean Ocean Advocate, March 2007

open access: yes, 2007
The monthly Clean Ocean Advocate newsletter informs citizens about critical ocean pollution issues, important meeting dates, proposed legislation, special events, and other notes of interest.

core   +1 more source

Progress and prospect of exploration and development of deep coalbed methane in the Junggar Basin

open access: yesMeitan xuebao
The Junggar Basin in Xinjiang is one of the six continental super oil and gas bearing basins in China. It is characterized by various types of tectonic units, the development of Jurassic middle and low rank coal seams, and the abundance of deep coalbed ...
Peng QIU   +8 more
doaj   +1 more source

Clean Ocean Advocate, September 2007

open access: yes, 2007
The monthly Clean Ocean Advocate newsletter informs citizens about critical ocean pollution issues, important meeting dates, proposed legislation, special events, and other notes of interest.

core   +1 more source

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