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Search Results: 1 - 10 of 77080 matches for " TANG Wei-qi "
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A New Approach to the Approximation of Common Fixed Points of an Infinite Family of Relatively Quasinonexpansive Mappings with Applications
Wei-Qi Deng
Abstract and Applied Analysis , 2012, DOI: 10.1155/2012/437430
Abstract: By using a specific way of choosing the indexes, we propose an iteration algorithm generated by the monotone CQ method for approximating common fixed points of an infinite family of relatively quasinonexpansive mappings. A strong convergence theorem without the stronger assumptions of the AKTT condition and the ∗AKTT condition imposed on the involved mappings is established in the framework of Banach space. As application, an iterative solution to a system of equilibrium problems is studied. The result is more applicable than those of other authors with related interest.
Wei-Qi Li
Acta Crystallographica Section E , 2010, DOI: 10.1107/s160053681001514x
Abstract: In the title complex, [Mn(C6H4NO2S)2(C12H8N2)] or [MnL2(phen)] (L = 2-mercaptonicotinate and phen = 1,10-phenanthroline), the central MnII atom is coordinated by two carboxylic O atoms and two thiolate S atoms of two L ligands and two N atoms from one phen molecule, giving a distorted octahedral geometry. The pyridyl H atoms form strong N—H...O hydrogen bonds with the carbonyl O atoms of the adjacent molecules, generating a chain structure propagating in [100].
A New Iterative Method for Solving a System of Generalized Mixed Equilibrium Problems for a Countable Family of Generalized Quasi- -Asymptotically Nonexpansive Mappings
Wei-Qi Deng
Abstract and Applied Analysis , 2013, DOI: 10.1155/2013/573583
Converging Parallel Plate Flow Chambers for Studies on the Effect of the Spatial Gradient of Wall Shear Stress on Endothelial Cells  [PDF]
Yiling Lu, Wei-Qi Li, Ilias Oraifige, Wen Wang
Journal of Biosciences and Medicines (JBM) , 2014, DOI: 10.4236/jbm.2014.22008

Many in vitro studies focus on effects of wall shear stress (WSS) and wall shear stress gradient (WSSG) on endothelial cells, which are linked to the initiation and progression of atherosclerosis in the arterial system. Limitation in available flow chambers with a constant WSSG in the testing region makes it difficult to quantify cellular responses to WSSG. The current study proposes and characterizes a type of converging parallel plate flow chamber (PPFC) featuring a constant gradient of WSS. A simple formula was derived for the curvature of side walls, which relates WSSG to flow rate (Q), height of the PPFC (h), length of the convergent section (L), its widths at the entrance (w0) and exit (w1). CFD simulation of flow in the chamber is carried out. Constant WSSG is observed in most regions of the top and bottom plates except those in close proximity of side walls. A change in Q or h induces equally proportional changes in WSS and WSSG whereas an alteration in the ratio between w0 and w1 results in a more significant change in WSSG than that in WSS. The current design makes possible an easy quantification of WSSG on endothelial cells in the flow chamber.

Oil-gas prediction method with sandbody reservoir and its application

SONG Wei-qi,TANG Xue-qin,ZHANG Chun-xiao,ZHU Wei-xing,

地球物理学进展 , 2008,
Abstract: On the bases of researching structure and deposit in oil-gas field,we study the new method of prediction oil and gas by seismic data.We research the approach of calculating high order spectrum utilizing high order accumulation through analyses actual seismic data.When the non-Gauss distribute information is collected by means of analyzing the high order spectrum utilizing high order accumulation,the geological condition and reason of coming into Gauss and non-Gauss distributes is discussed.We clarify the mechanism of prediction oil and gas using seismic lower frequency data.The method is approved through theory model ,finally the bearing gas well according high order spectrum results of being calculating with researched the method is analyzed.On the base,we conduct to predict the better gas layers.
An Implicit Iteration Process for Common Fixed Points of Two Infinite Families of Asymptotically Nonexpansive Mappings in Banach Spaces
Wei-Qi Deng,Peng Bai
Journal of Applied Mathematics , 2013, DOI: 10.1155/2013/602582
A Noise Analysis Method to Evaluate Image Quality of Optical Satellites

Tang Hai-rong,Xiang Mao-sheng,Wu Yi-rong,Zhu Min-hui,Jin Wei-qi,

电子与信息学报 , 2004,
Abstract: A new 3D noise analysis method is introduced on the basis of analyzing the radiometric performance and noise of optical satellite image. The imaging noise can be divided into seven parts according to temporal and horizontal, vertical dimensions. The paper analyses the content of 3D noise. Several satellite images are used to validate the method. This method provides a feasible way to evaluate the imaging quality and to evaluate the methods of improving image quality.
IκB kinase-beta inhibitor attenuates hepatic fibrosis in mice
Jue Wei,Min Shi,Wei-Qi Wu,Hui Xu
World Journal of Gastroenterology , 2011, DOI: 10.3748/wjg.v17.i47.5203
Abstract: AIM: To investigate the anti-fibrosis effect of IκB kinase-beta inhibitor (IKK2 inhibitor IMD0354) in liver fibrosis. METHODS: Twenty male C57BL6 mice were divided into four groups. Five high-fat fed mice were injected with lipopolysaccharide (LPS, 10 mg/kg) intraperitoneally and five high-fat fed mice were without LPS injection to build models of liver injury, and the intervention group (five mice) was injected intraperitoneally with IKK2 inhibitor (IMD 30 mg/kg for 14 d), while the remaining five mice received a normal diet as controls. Hepatic function, pathological evaluation and liver interleukin-6 (IL-6) expression were examined. Western blotting and real-time polymerase chain reaction were used to detect the expressions of nuclear factor-κB (NF-κB), alpha-smooth muscle actin (α-SMA), tumor growth factor-beta1 (TGF-β1), tumor necrosis factor-alpha (TNF-α), typeIand type III collagen proteins and mRNA. RESULTS: A mouse model of liver injury was successfully established, and IMD decreased nuclear translocation of NF-κB p65 in liver cells. In the IMD-treated group, the levels of alanine aminotransferase (103 ± 9.77 μ/L vs 62.4 ± 7.90 μ/L, P < 0.05) and aminotransferase (295.8 ± 38.56 μ/L vs 212 ± 25.10 μ/L, P < 0.05) were significantly decreased when compared with the model groups. The histological changes were significantly ameliorated. After treatment, the expressions of IL-6 (681 ± 45.96 vs 77 ± 7.79, P < 0.05), TGF-β1 (Western blotting 5.65% ± 0.017% vs 2.73% ± 0.005%, P < 0.05), TNF-α (11.58% ± 0.0063% vs 8.86% ± 0.0050%, P < 0.05), typeIcollagen (4.49% ± 0.014% vs 1.90% ± 0.0006%, P < 0.05) and type III collagen (3.46% ± 0.008% vs 2.29% ± 0.0035%, P < 0.05) as well as α-SMA (6.19 ± 0.0036 μ/L vs 2.16 ± 0.0023 μ/L, P < 0.05) protein and mRNA were downregulated in the IMD group compared to the fibrosis control groups (P < 0.05). CONCLUSION: IKK2 inhibitor IMD markedly improved non-alcoholic fatty liver disease in mice by lowering NF-κB activation, which could become a remedial target for liver fibrosis.
Quantum confinement analysis of nanostructures in oxidation of SiGe alloys

Huang Wei-Qi,Liu Shi-Rong,

中国物理 B , 2004,
Reversing bogus log data by using multi-distinguish ratio wavelet networks

SONG Wei-qi,

地球物理学进展 , 2005,
Abstract: The technology and method is researched in this paper, by using wavelet networks for seismic data reversing , at the same time, wavelet decompose learning training with networks for seismic data is studied to its SNR and distinguish ratio. we have discussed some important problems for the arithmetic, and obtained some value results. Final, we reversed the field seismic data, and get better results from distinguish ratio and credibility of the data.
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