Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Jianmei Cheng"'
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 4, Pp 220-232 (2024)
The distribution of the deep geothermal field and the tectonic thermal control mode in the Yingshan area were not understood systematically, which would bring in constraints to the sustainable exploration of local geothermal resources. Based on the f
Externí odkaz:
https://doaj.org/article/22c8a61466f24dac8d861f8e81402baf
Publikováno v:
地质科技通报, Vol 43, Iss 3, Pp 301-310 (2024)
Objective In the central Yunnan region, the geological structure is complex and karst formations are prevalent. Sudden water gushing and attenuation of spring flow are among the most difficult problems in tunnel construction. The Mengkuanggou karst w
Externí odkaz:
https://doaj.org/article/908e02207f1d4250a271742750a36e4e
Publikováno v:
地质科技通报, Vol 42, Iss 4, Pp 183-193 (2023)
Objective The Kuncheng Tunnel of the Central Yunnan Water Diversion Project crosses the Heilongtan and Bailongtan areas, the major headwater regions in the Chenggong District of Kunming City. Methods Tunnel water inrush may seriously threaten the saf
Externí odkaz:
https://doaj.org/article/37bc9bc2df4a4e53b2e0bbb2ef42f380
Autor:
Jianmei Cheng, Yiming Luo
Publikováno v:
地质科技通报, Vol 41, Iss 5, Pp 220-229 (2022)
Due to the extremely heterogeneous distribution of karst and the multi-media nature of karst aquifer medium, the groundwater flow in karst water system presents complex and changeable characteristics. It follows Darcy flow law in the pores or fissure
Externí odkaz:
https://doaj.org/article/02bee59d4fd24d11bc808dcf59c9bbfe
Publikováno v:
地质科技通报, Vol 41, Iss 1, Pp 269-277 (2022)
Salt precipitation is an important issue for CO2 sequestration in deep aquifers.At present, most numerical simulations ignore the feedback effect of the changes in the porosity and permeability caused by the salt precipitation on fluid flow.In this p
Externí odkaz:
https://doaj.org/article/c3c6ac296c7f4180be451cf478b9c1d0
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 9174-9185 (2022)
Remote sensing image semantic segmentation, which aims to realize pixel-level classification according to the content of remote sensing images, has broad applications in various fields. Thanks to the superiority of deep learning (DL), the semantic se
Externí odkaz:
https://doaj.org/article/fb3e271a3dd74a199cbc22398032bfe5
Publikováno v:
地质科技通报, Vol 40, Iss 4, Pp 179-186 (2021)
The combination of the curtain and pit dewatering is the main trend of groundwater control in the deep foundation pit project.Due to the complexity and scale effect of the seepage field around the deep foundation pit, there is still no mature and acc
Externí odkaz:
https://doaj.org/article/e8c89e55268d4bff8b94da73bfc13cd2
Publikováno v:
Minerals, Vol 12, Iss 5, p 635 (2022)
The effects of CO2-water-rock interactions on the injectivity and safety of CO2 geological storage have drawn wide attention. The geochemical reaction mechanisms in carbonate formations after CO2 injection are still controversial. To better understan
Externí odkaz:
https://doaj.org/article/82cf9e21998e4713b5e495648a60f289
Publikováno v:
Geofluids, Vol 2017 (2017)
Understanding fluids migration and leakage risk along the fault zone is necessary to guarantee the safety of CO2 geological storage. The validity of Darcy’s law gets challenged in dealing with the flow in open fractures since the occurring of turbu
Externí odkaz:
https://doaj.org/article/81b1a36f4225400b9db8a218a3da9815
Autor:
Jianmei Cheng, Kuiyuan Ding, Yiming Luo, Ying Yu, Yihang Lin, Long He, Xiaowei Zhao, Kun Zheng, Yanxin Wang
United Nations Educational, Scientific and Cultural Organization (UNESCO) pointed out that about 300 million Africans live in poverty because of water scarcity. However, Africa does not lack natural water resources, but only makes insufficient use of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ffdc978ad436d9f8360c0962ce8aa51
https://doi.org/10.5194/egusphere-egu23-11481
https://doi.org/10.5194/egusphere-egu23-11481