Search Results - "Lv, Zhengxiang"

Sandstone Porosity Evolution and Reservoir Formation Models of the Paleogene Huagang Formation in Yuquan Structure of West Lake Sag, East China Sea Basin by Yonghuang Cai, Zhengxiang Lv, Yuanhua Qing, Cheng Xie, Bingjie Cheng, Zheyuan Liao, Bing Xu

“…The West Lake Sag is abundant in oil and gas reserves, primarily in the Huagang Formation reservoir which serves as the primary source of production. The level…”
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A New Quick-Response Sliding Mode Tracking Differentiator With its Chattering-Free Discrete-Time Implementation by Lv, Zhengxiang, Jin, Shanhai, Xiong, Xiaogang, Yu, Jingdong

“…This paper presents a new quick-response sliding mode tracking differentiator (new TD) for feedback control of mechatronic systems. The new TD is an extension…”
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A Chattering-Free Sliding Mode Filter Enhanced by First Order Derivative Feedforward by Jin, Shanhai, Lv, Zhengxiang, Xiong, Xiaogang, Yu, Jingdong

“…Noise reduction is one of the important issues for feedback control systems. Toward this problem, this paper proposes a new sliding mode filter, which is an…”
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Facile Preparation and Dye Adsorption Performance of Poly(N‑isopropylacrylamide-co-acrylic acid)/Molybdenum Disulfide Composite Hydrogels by Yang, Jianping, Wang, Kailun, Lv, Zhengxiang, Li, Wenjun, Luo, Keming, Cao, Zheng

“…Using N-isopropylacrylamide (NIPAM) and acrylic acid (AAc) as monomers, N,N′-methylenebisacrylamide (MBA) as a cross-linking agent, and molybdenum disulfide…”
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Origins and Geochemistry of Dolomites and Their Dissolution in the Middle Triassic Leikoupo Formation, Western Sichuan Basin, China by Shunli Zhang, Zhengxiang Lv, Yi Wen, Sibing Liu

“…Triassic dolomites occur pervasively in the Western Sichuan Basin. Although these strata have been deeply buried and affected by multiple phases of…”
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Characteristics and Genesis of Alkaline Lacustrine Tight Oil Reservoirs in the Permian Fengcheng Formation in the Mahu Sag, Junggar Basin, NW China by Yong Tang, Zhengxiang Lv, Wenjun He, Yuanhua Qing, Xiuzhang Song, Qinming Cao, Yongxin Qian, Tao Zhu, Na Li, Xiang Li

“…Through optical microscopic examination, scanning electron microscope analysis, whole rock X-ray diffraction analysis, X-ray fluorescence spectrum analysis,…”
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Formation mechanism of authigenic chlorite in sandstones of the Middle Jurassic Sha 1 Member in the northeastern central Sichuan Basin, China by Cao, Qinming, Lv, Zhengxiang, Li, Xiang, Qing, Yuanhua, Huang, Dong

“…Using thin sections, scanning electron microscopy, electron probe, X-ray diffraction, and isotopic techniques, the formation mechanisms of authigenic chlorite…”
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Carbon and Oxygen Isotopic Composition of Saline Lacustrine Dolomite Cements and Its Palaeoenvironmental Significance: A Case Study of Paleogene Shahejie Formation, Bohai Sea by Hailong Meng, Zhengxiang Lv, Zhongmin Shen, Chenhao Xiong

“…The dolomite reservoirs in the Paleogene Shahejie Formation in the Bozhong area of the Bohai Bay Basin contain a large amount of dolomite cement. Petrologic…”
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Diagenetic Evolution Mechanism of the Jurassic Tuffaceous Sandstone Reservoir in Qikou Sag, Bohai Bay Basin, East China by Xiuzhang Song, Zhengxiang Lv, Chunyan Zang, Peng Hao, Yinjun He, Wei Zhao, Yuanhua Qing, Jie Ren

“…Exploring for hydrocarbons in a pyroclastic-affected reservoir is an important research topic. Previous studies have mainly focused on laminated pyroclastic. A…”
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A Variable Gain Sliding Mode Tracking Differentiator for Derivative Estimation of Noisy Signals by Yu, Jingdong, Jin, Shanhai, Wang, Xiaodan, Xiong, Xiaogang, Lv, Zhengxiang, Jin, Yonggao

“…Estimating reliable signal component and its derivatives from noisy feedback signal is important in control systems. Toward this problem, this article presents…”
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Geochemical characteristics and genesis of lower Paleozoic dolomites in the central Bohai Sea by Song, Xiuzhang, Lv, Zhengxiang, Qin, Binchuan, Wang, Honghui, Qing, Yuanhua, Zang, Chunyan, Zhao, Wei, Hao, Peng, He, Yinjun

“…Dolomite diagenesis is a key issue in the evolution of dolomite reservoirs. Hence, lower Paleozoic carbonate samples from the Bonan Low Uplift are analyzed…”
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Fluid-rock interaction and dissolution of feldspar in the Upper Triassic Xujiahe tight sandstone, western Sichuan Basin, China by Liu, Sibing, Chen, Anqing, Shen, Zhongmin, Lv, Zhengxiang, Zhang, Xiaoxing

“…Secondary porosity in the Upper Triassic Xujiahe tight sandstone of the western Sichuan Basin is mainly the product of feldspar dissolution. In the Xu-4…”
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Diagenetic evolution characteristics of Paleogene lacustrine carbonate reservoirs in central Bohai sea, China by Lv, Zhengxiang, Qing, Yuanhua, Zhao, Fu, Wu, Jiayang, Wang, Xiandong

“…The distribution of high-quality reservoirs in Shahejie Formation of the Shijiutuo Uplift, Central Bohai Sea, is the key factor to determine the oil and gas…”
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Geochemical characteristics of noble gases in natural gas and their application in tracing natural gas migration in the middle part of the western Sichuan Depression, China by Wang, Peng, Shen, Zhongmin, Liu, Sibing, Lv, Zhengxiang, Zhu, Tong, Gong, Yajun

“…Noble gases in natural gas, from Xiaoquan, Xinchang, Hexingchang and Fenggu gas reservoirs in the middle part of the western Sichuan Depression, China, were…”
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Preparation and self-assembly of ionic (PNIPAM--VIM) microgels and their adsorption property for phosphate ions by Yang, Jianping, Huang, Bei, Lv, Zhengxiang, Cao, Zheng

“…Using N -isopropyl acrylamide (NIPAM) as the main monomer, 1-vinyl imidazole (VIM) containing tertiary amine groups as the functional comonomer, and…”
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Discrete-Time Sliding Mode Filter with Parameter adaptation by Yu, Jingdong, Jin, Shanhai, Lv, Zhengxiang, Xiong, Xiaogang

“…This paper presents a new sliding mode filter (SMF-N). The SMF-N is an improvement of Levant et al.'s proposed sliding mode filter (SMF-L). SMF-N improves two…”
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Pre-administration of rats with Helicobacter pylori γ-glutamyl-transpeptidase alleviates osteoarthritis by Yang, Xiaofeng, Lv, Zhengxiang, Xie, Guohua, Xue, Feng, Chen, Chao, Wang, Jianwei

“…Objective To determine the efficacy of Helicobacter pylori γ-glutamyl-transpeptidase (GGT) in osteoarthritis (OA) therapy. Results Oral administration of rats…”
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Cordycepin protected against the TNF-α-induced inhibition of osteogenic differentiation of human adipose-derived mesenchymal stem cells by Yang, Jianping, Cao, Yan, Lv, Zhengxiang, Jiang, Tao, Wang, Liming, Li, Zhong

“…Cordycepin, 3'-deoxyadenosine, is an effective component isolated from the rare Chinese caterpillar fungus Cordyceps militaris. It exerts potent…”
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MRI analysis of the ISOBAR TTL internal fixation system for the dynamic fixation of intervertebral discs: a comparison with rigid internal fixation by Gao, Jun, Zhao, Weihua, Zhang, Xi, Nong, Luming, Zhou, Dong, Lv, Zhengxiang, Sheng, Yonghua, Wu, Xingbiao

“…Using magnetic resonance imaging (MRI), we analyzed the efficacy of the posterior approach lumbar ISOBAR TTL internal fixation system for the dynamic fixation…”
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A Chattering-Free Sliding Mode Filter Enhanced by First Order Derivative Feedforward by Jin, Shanhai, Lv, Zhengxiang, Xiong, Xiaogang, Yu, Jingdong

“…Noise reduction is one of the important issues for feedback control systems. Toward this problem, this paper proposes a new sliding mode filter, which is an…”
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