Zobrazeno 1 - 10
of 1 719
pro vyhledávání: '"LI Jianghua"'
Publikováno v:
Shuitu Baochi Xuebao, Vol 38, Iss 4, Pp 354-361 (2024)
[Objective] To investigate the effects of long-term application of controlled-release urea on soil acidity, acid-base buffering capacity and fertility of northern calcareous tidal soils. [Methods] Based on a long-term field trial of positioning ferti
Externí odkaz:
https://doaj.org/article/1bdd635ea47546a895d3cf877f69cdb3
Publikováno v:
Meikuang Anquan, Vol 54, Iss 2, Pp 181-188 (2023)
Collapse columns which can usually destroy the integrity of strata are widespread in the Carboniferous and Permian coalfields for North China type. The incubation and development process of collapse column could change the mechanical property and aco
Externí odkaz:
https://doaj.org/article/32a087c47b284767ad02f1addee7aaef
Publikováno v:
矿业科学学报, Vol 4, Iss 6, Pp 515-523 (2019)
Water and sand inrush is one of the principal factors that restrict safe and effective production of mining under water body.The threat to soft strata mines with extremely thick coal seam is especially more serious.Caving zone and fissure zone(joint
Externí odkaz:
https://doaj.org/article/09066875166e4deb9fdecf1c28dfc077
Publikováno v:
Meikuang Anquan, Vol 51, Iss 1, Pp 22-25, 29 (2020)
To study the mesoscopic pore structure of coal shale rock under different temperatures, Micron CT scanning test was carried out on coal and rock samples at thermal fracture temperatures of 20, 100, 300 and 500 ℃. Based on the threshold segmentation
Externí odkaz:
https://doaj.org/article/70304429600747d5ab17a0fb834114b0
Publikováno v:
Jixie qiangdu, Vol 39, Pp 307-310 (2017)
Low cycle fatigue tests were carried for 316 L stainless steel and the material cyclic property was simulated by finite element method. The test results show that the significant cyclic additional hardening can be observed in different strain ranges
Externí odkaz:
https://doaj.org/article/4bddf1c0b5754173b35bef5e85cf1f59
Publikováno v:
E3S Web of Conferences, Vol 194, p 04040 (2020)
Some coal seams located in the shallow area belong to Jurassic system strata in Inner Mongolia, China. There may be some effect on the rivers and earth dam on the earth surface of coal field after large height mining. Hydraulic connection was analyze
Externí odkaz:
https://doaj.org/article/648ac364abe246ce884057c970e66fd4
Publikováno v:
E3S Web of Conferences, Vol 53, p 04024 (2018)
Some coal seams belong to cretaceous strata in the east of Inner Mongolia, China. There are obvious differences of rock characteristics and mechanical properties between Cretaceous and Carboniferous- Permian strata. The overburden failure characteris
Externí odkaz:
https://doaj.org/article/57750eaf7f25485e80d8d54d9a063a55
Publikováno v:
In International Journal of Hydrogen Energy 19 September 2024 83:604-613
Autor:
Chen, Bing, Ai, Taotao, Li, Wenhu, Dong, Hongfeng, Wei, Jian, Li, Jianghua, Zhang, Lizhai, Huang, Qing
Publikováno v:
In Journal of Power Sources 1 September 2024 613
Autor:
Guo, Haoyu, Tian, Rongzhen, Wu, Yaokang, Lv, Xueqin, Li, Jianghua, Liu, Long, Du, Guocheng, Chen, Jian, Liu, Yanfeng
Publikováno v:
In Synthetic and Systems Biotechnology September 2024 9(3):577-585