Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Junli Qiu"'
Autor:
Yanhong Liu, Junli Qiu, Yanqing Xia, Xilong Zhang, Wenqiang Gao, Xiangxian Ma, Wang Xu, Yingqin Wu
Publikováno v:
Journal of Natural Gas Geoscience, Vol 8, Iss 1, Pp 17-33 (2023)
Water, in ultra-deep layers of the earth and in layers receiving abnormally high heat, can exist in a supercritical state. Supercritical water (SCW) can participate in the transformations of organic compounds not only as a solvent but also as a react
Externí odkaz:
https://doaj.org/article/e702fdc7747749e7a9d4304693a7dc31
Publikováno v:
Adsorption Science & Technology, Vol 2023 (2023)
The uptake of radiocesium (RCs) by plants is key to the assessment of its environmental risk. However, the transfer process of RCs in the water-vegetable system still remains unclear. In this work, the uptake and accumulation processes of Cs+ (0-10 m
Externí odkaz:
https://doaj.org/article/5900f5ded7bb4660b31790e092265a00
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Ooids are coated carbonate grains, which exist in shallow water marine and lacustrine environments. There is an ongoing debate about whether the origin of ooids is inorganic or organic. Qinghai Lake is the largest inland lake in China, and ooids are
Externí odkaz:
https://doaj.org/article/90c79a59b6574a08970b5621030a5c89
Publikováno v:
Frontiers in Earth Science, Vol 9 (2021)
The provenance study of the sediments from Qinghai Lake is of great significance for the understanding of geological and climatic evolution processes of the Tibet Plateau on the one hand and for evaluating the controlling factors of the sediment comp
Externí odkaz:
https://doaj.org/article/f1486f37f57e44e5a549a8375a598eb6
Autor:
Bihong He, Wei Wang, Rongyue Geng, Zhe Ding, Dongxia Luo, Junli Qiu, Guodong Zheng, Qiaohui Fan
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 207, Iss , Pp 111234- (2021)
The activity and fate of heavy metals (HMs) from mining and smelting activities in farmland soil is of great significance to effectively prevent the excessive enrichment of HMs in crops. This study focuses on Baiyin area, a typical mining city in nor
Externí odkaz:
https://doaj.org/article/de93e0e7d68e421cae26080505378676
Autor:
Yongchao Wang, Yanqing Xia, Zihui Feng, Hongmei Shao, Junli Qiu, Suping Ma, Jiaqiang Zhang, Haoyuan Jiang, Jiyong Li, Bo Gao, Lingling Li
Publikováno v:
Energies, Vol 14, Iss 15, p 4580 (2021)
Pore network modeling based on digital rock is employed to evaluate the mobility of shale oil in Qingshankou Formation, Songliao Basin, China. Computerized tomography technology is adopted in this work to reconstruct the digital rock of shale core. T
Externí odkaz:
https://doaj.org/article/c7dfec68a6e74c99a54514c6b5ed9452
Publikováno v:
Petroleum Exploration and Development, Vol 44, Iss 1, Pp 48-57 (2017)
Crushing, acid treatment and step wise separation and oil extraction were employed to obtain the different occurrence state hydrocarbons. All these fractions have been analyzed by Gas Chromatography-Mass Spectrometer (GC-MS). The fractions relationsh
Externí odkaz:
https://doaj.org/article/53bcc98df9634025be1230c44aadaeb3
Publikováno v:
Energy Exploration & Exploitation, Vol 35 (2017)
Lower Palaeozoic organic-rich shales are widely distributed in southern China. In this study, the organic matter contents of Lower Cambrian, Upper Ordovician, and Lower Silurian shales were analysed, and a high degree of vertical heterogeneity was fo
Externí odkaz:
https://doaj.org/article/6746436b0cdc42e9be9e9a743b72ceb6
Publikováno v:
Metals, Vol 9, Iss 9, p 952 (2019)
Corrosion is among the most critical factors leading to the failure of reinforced concrete (RC) structures. Less work has been devoted to nondestructive tests (NDT) to detect the corrosion degree of steel bars. The corrosion degree was investigated i
Externí odkaz:
https://doaj.org/article/4719fa7880e74367bfab2308c28f15f7
Publikováno v:
Sensors, Vol 18, Iss 8, p 2635 (2018)
This paper presents a nondestructive test method to evaluate the residual bending strength of corroded reinforced concrete beam by analyzing the self-magnetic flux leakage (SMFL) signals. The automatic scanning device was equipped with a micromagneti
Externí odkaz:
https://doaj.org/article/2f374ccba35749cba498620a22173be3