Search Results - "Zhan, Weijia"

Facies and petrophysical modeling of Triassic Chang 6 tight sandstone reservoir, Heshui Oil Field, Ordos Basin, China by Iltaf, Khawaja Hasnain, Yue Dali, Yue Dali, Wang Wurong, Wang Wurong, Wan Xiaolong, Wan Xiaolong, Li Shixiang, Li Shixiang, Wu Shenghe, Wu Shenghe, Liu Ruijing, Liu Ruijing, Weijia Zhan, Weijia Zhan, Mehboob, Siraj, Shah, Sajjad Ahmad, Awan, Rizwan Sarwar, Tahir, Muhammad

“…Tight sandstone reservoirs are widely distributed worldwide. The Upper Triassic Chang 6 member of the Yanchang Formation is characterized by low permeability…”
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Reservoir characteristics in the Cretaceous volcanic rocks of Songliao Basin, China: A case of dynamics and evolution of the volcano-porosity and diagenesis by Sun, Haitao, Zhong, Dakang, Zhan, Weijia

“…To explain the strong spatial heterogeneity of volcanic reservoirs porosity in the Songliao Basin and provide new ideas for predicting good volcanic reservoirs…”
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Responses of the wintertime auroral E-region neutral wind to varying levels of geomagnetic activity by Zhan, Weijia, Keappler, Stephen R.

“…Introduction: The auroral E-region is an important interface where forces from the magnetosphere and the lower atmosphere converge and have a significant…”
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A High-Precision and Lightweight Prediction Model for Global Total Electron Content by Yan, Xu, Cai, Hongtao, Xu, Chen, Yang, Lubing, Zhan, Weijia

“…Precise prediction of the global spatial–temporal distribution of total electron content (TEC) is a challenge in space weather. Existing models are generally…”
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Characterization of local time dependence of equatorial spread F responses to substorms in the American sector by Gao, Shunzu, Cai, Hongtao, Zhan, Weijia, Wan, Xin, Xiong, Chao, Zhang, Hong, Xu, Chen

“…Substorms have been found to play an important role in ionospheric electrodynamics at low and equatorial latitudes. In this study, we have investigated the…”
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Multi-instrumented observations of the equatorial F-region during June solstice: large-scale wave structures and spread-F by Rodrigues, Fabiano S., Hickey, Dustin A., Zhan, Weijia, Martinis, Carlos R., Fejer, Bela G., Milla, Marco A., Arratia, Juan F.

“…Typical equatorial spread- F events are often said to occur during post-sunset, equinox conditions in most longitude sectors. Recent studies, however, have…”
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Revealing Inconsistencies in ROTI Index Using Multi‐GNSS Constellation Measurements: Impact of Sampling Rates and Time Window by Sui, Yi, Yang, Zhe, Zhan, Weijia

“…Understanding ionospheric irregularities and their dynamics is crucial, with the rate of change of the total electron content index (ROTI) serving as a…”
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On the Genesis of Postmidnight Equatorial Spread F: Results for the American/Peruvian Sector by Zhan, Weijia, Rodrigues, Fabiano S., Milla, Marco A.

“…Previous studies of the Earth's low‐latitude ionosphere using in situ measurements made by sensors on the Communication/Navigation Outage Forecasting System…”
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Seasonal and Solar Cycle Dependence of Energy Transfer Rates in the Auroral E‐Region by Zhan, Weijia, Kaeppler, Stephen R., Reimer, Ashton, Varney, Roger

“…We report one of the first comprehensive ground‐based investigations of energy transfer rates in the E‐region ionosphere compared relative to geomagnetic…”
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An Investigation of Auroral E Region Energy Exchange Using Poker Flat Incoherent Scatter Radar Observations During Fall Equinox Conditions by Zhan, Weijia, Kaeppler, Stephen R., Larsen, Miguel F., Reimer, Ashton, Varney, Roger

“…We present new results using data collected by the Poker Flat Incoherent Scatter Radar (PFISR) of energy transfer rates, which include the effects from neutral…”
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June Solstice Equatorial Spread F in the American Sector: A Numerical Assessment of Linear Stability Aided by Incoherent Scatter Radar Measurements by Zhan, Weijia, S. Rodrigues, Fabiano

“…Previous studies have suggested that weakening downward plasma drifts can produce favorable conditions for the ionospheric Generalized Rayleigh‐Taylor (GRT)…”
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Energy Deposition by Mesoscale High‐Latitude Electric Fields Into the Thermosphere During the 26 October 2019 Geomagnetic Storm by Meng, Xing, Ozturk, Dogacan S., Verkhoglyadova, Olga P., Varney, Roger H., Reimer, Ashton S., Semeter, Joshua L., Kaeppler, Stephen R., Zhan, Weijia

“…Mesoscale high‐latitude electric fields are known to deposit energy into the ionospheric and thermospheric system, yet the energy deposition process is not…”
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Reservoir characteristics in the Cretaceous volcanic rocks of Songliao Basin, China: A case of dynamics and evolution of the volcanoporosity and diagenesis by Sun, Haitao, Zhong, Dakang, Zhan, Weijia

“…To explain the strong spatial heterogeneity of volcanic reservoirs porosity in the Songliao Basin and provide new ideas for predicting good volcanic reservoirs…”
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Age, origin and tectonic implications of Late Carboniferous-Early Permian felsic magmatic rocks from central Inner Mongolia, south-eastern Central Asian Orogenic Belt by Tang, Jianzhou, Cheng, Jian, Zhang, Zhicheng, Xue, Jinzhuang, Liu, Bo, Duan, Tiejun, Zhan, Weijia, Ding, Cong, Wang, Qi, Zhang, Huaihui, Meng, Yunxi

“…Permo-Carboniferous felsic magmatic rocks are widely exposed on the northern half of the south-eastern Central Asian Orogenic Belt. However, their origin and…”
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Radar Studies of Atypical Equatorial Spread F Events in the American Sector by Zhan, Weijia

“…Equatorial spread F (ESF) is the name given, for historical reasons, to the manifestation of a broad range of ionospheric F-region irregularities observed at…”
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MELISSA: System description and spectral features of pre‐ and post‐midnight F‐region echoes by Rodrigues, Fabiano S., Zhan, Weijia, Milla, Marco A., Fejer, Bela G., Paula, Eurico R., Neto, Acacio C., Santos, Angela M., Batista, Inez S.

“…Most of the low‐latitude ionospheric radar observations in South America come from the Jicamarca Radio Observatory, located in the western longitude sector…”
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The Frictional‐Viscous Transition in Experimentally Deformed Granitoid Fault Gouge by Zhan, W., Niemeijer, A. R., Berger, A., Nevskaya, N., Spiers, C. J., Herwegh, M.

“…In crustal faults dominated by granitoid gouges, the frictional‐viscous transition marks a significant change in strength constraining the lower depth limit of…”
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E layer dominated ionosphere observed by EISCAT/ESR radars during solar minimum by Cai, Hongtao, Li, Fei, Shen, Ge, Zhan, Weijia, Zhou, Kangjun, McCrea, Ian Willian, Ma, Shuying

“…According to the study by Mayer and Jakowski (2009), periods of E layer dominated ionosphere (ELDI) are defined as being characterized by vertical electron…”
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[3＋3] Formal Cycloadditions of Nitrones from Isatins and Azaoxyallyl Cations for Construction of Spirooxindoles by Lin, Weijia, Zhan, Gu, Shi, Minglin, Du, Wei, Chen, Yingchun

“…A [3＋3] formal cycloaddition reaction between in situ formed azaoxyallyl cations and nitrones from isatins has been developed, furnishing a spectrum of…”
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