Results 31 to 40 of about 60,050 (341)

Spatial distributions and the main driving factors of soil total nitrogen in Zhejiang Province, China

Geoderma
Nitrogen is an indispensable element in the growth and development stages of various crops, as well as an important component of soil nutrients. It plays an important role in farmland ecosystems.
Mi Tian, Binbin Sun, Chao Wu, Xiaomeng Cheng, Guohua Zhou, Chunlei Huang, Yining Zhou, Qinghai Hu, Longxue Li   +8 more
doaj   +1 more source

Influence of Volcanic Ash on Organic Matter Enrichment in the Late Permian Wuchiaping Formation, Eastern Sichuan Basin: Multiproxy Evidence and Implications for Shale Gas Exploration [PDF]

ACS Omega
Huijun Wang, Zhiguo Shu, Taohua He, Jiayi He, Yuanzhen Zhou   +4 more
doaj   +2 more sources

Cadmium sulfide in a Mesoproterozoic terrestrial environment [PDF]

, 2014
Peer ...
Bowden, S., Parnell, J., Spinks, S., Still, J., Thayalan, W.   +4 more
core   +1 more source

Significance of source rock heterogeneities: A case study of Mesoproterozoic Xiamaling Formation shale in North China

Petroleum Exploration and Development, 2017
Taking Mesoproterozoic Xiamaling Formation, Northern China as an example, the heterogeneities of source rock in different scales and hydrocarbon microscopic occurrence are studied based on observation of outcrops and observation with microscopy, and ...
Xiaomei WANG, Shuichang ZHANG, Huajian WANG, Jin SU, Kun HE, Yu WANG, Xiaoqi WANG   +6 more
doaj   +1 more source

Integrated Assessment of Marine-Continental Transitional Facies Shale Gas of the Carboniferous Benxi Formation in the Eastern Ordos Basin

Energies, 2021
In the Benxi Formation of the Carboniferous system of the Upper Paleozoic in the Ordos Basin, there are many sets of coal measures dark organic-rich shale, being marine continental transitional facies, with significant unconventional natural gas ...
Weibo Zhao, Zhigang Wen, Hui Zhang, Chenjun Wu, Yan Liu, Huanxin Song, Liwen Zhang, Yingyang Xi, Lu Sun   +8 more
doaj   +1 more source

Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China

Petroleum Exploration and Development, 2019
Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial.
Yunyan NI, Fengrong LIAO, Deyu GONG, Lixin JIAO, Jinliang GAO, Limiao YAO   +5 more
doaj   +1 more source

Isotopic geochemical characteristics and identification indexes of shale gas hydraulic fracturing flowback/produced water

Journal of Natural Gas Geoscience, 2022
China is rich in shale gas resources, which are mainly distributed in densely populated southern marine carbonate areas. The geological and surface conditions are complex, the ecological environment is fragile, and water resources are scarce or unevenly ...
Yunyan Ni, Limiao Yao, Jianli Sui, Jianping Chen   +3 more
doaj   +1 more source

Are spherulitic lacustrine carbonates an expression of large-scale mineral carbonation? : A case study from the East Kirkton Limestone, Scotland [PDF]

, 2018
BP Exploration Co. is thanked for funding, and particularly the Carbonate Team for supporting this research and for fruitful discussions. West Lothian Council and Scottish Natural Heritage are thanked for allowing access and permission for sampling the ...
Billing, Ian, Brasier, Alexander T, Fellows, Simon M., Matthews, Anna, McClymont, Erin L., McGill, Rona A.R., Mercedes-Martín, Ramon, Pedley, Martyn, Prior, Tim J., Reijmer, John J. G., Rogerson, Mike, Vonhof, Hubert   +11 more
core   +1 more source

Mantle contributions to global tungsten recycling and mineralization

Communications Earth & Environment
Tungsten deposits are typically associated with crust-derived evolved granitoids. Whether the mantle has contributed to tungsten mineralization, however, is unknown.
Jie-Hua Yang, Jing-Hua Wu, Mei-Fu Zhou, Rui-Zhong Hu, Jun-Hong Zhao, Anthony E. Williams-Jones, Qian Hu, Run-Sheng Yin   +7 more
doaj   +1 more source

Problems with the application of heptane and isoheptane values as light hydrocarbon parameters

Petroleum Exploration and Development, 2010
The light hydrocarbon data from 772 oil samples in 25 oilfields, together with GC/MS data from 338 saturated hydrocarbon samples were used to discuss the relationship between kerogen types, using the heptane value, isoheptane value and C29 sterane 20S/(S+
Wang Peirong, Xu Guanjun, Zhang Dajiang, Xiao Tingrong, Ren Dongling   +4 more
doaj   +1 more source