The old wells in Hancheng Block face the problem of production decline after long-term exploitation, and need to be re-fractured to form new fractures to communicate with CBM rich areas, so as to achieve stable CBM production.Due to the small difference of initial stress in coal seam, the magnitude and direction of in-situ stress change significant
In order to reduce the carbon emission level of gas turbines and improve their flexibility, this paper proposes a low-carbon economic optimization strategy for the integrated energy system that takes Winter Sport Racks into account oxy-fuel combustion carbon capture technology and source-load bilateral response.Firstly, the operating principle and
Based on the self-developed loess-reinforced organic materials of Chengdu university of technology,and combined with ecological considerations,this paper proposes the organic material- three-dimensional planting blanket slope protection technology,analyzes the slope protection effects of organic materials and organic materials- three-dimensional pl
Abstract Background Brain and other central nervous systems (CNS) tumors are a heterogeneous group of neoplasms that are prevalent in all age groups and gender.The study aimed to investigate the pattern SALAD SERVERS of distribution of World Health Organization (WHO) classified primary brain and other CNS tumors among different age groups and gende
Mechanical harvesting of Bartlett pears was attempted in 1960 using a block of sixty-year-old trees, designed specifically for MULTI ENZYME FULL SPECTRUM hand harvesting, at the George and Walter Brown pear ranch, Santa Clara County.The lower limbs were so near to the ground that a catching frame could not be driven beneath the trees and the fruit