Dr.George Chiou is Professor and Director of the Institute of Ocular Pharmacology and Professor of Neuroscience and Experimental Therapeutics at Texas A&M University System Health Science Center.He has served as H...Dr.George Chiou is Professor and Director of the Institute of Ocular Pharmacology and Professor of Neuroscience and Experimental Therapeutics at Texas A&M University System Health Science Center.He has served as Head of Department of Medical Pharmacology and Toxicology for 27.5 years until the department was reorganized in 2006.He also is an Adjunct Professor of Surgery and Ophthalmology at Texas A&M University College of Medicine,展开更多
Published by The WJG Press and Elsevier Inc．,PO Box 23451 Beijing 100023,China Fax:+86-(0)10-85381893 E-mail:wjg@wjgnet．com http://www．wjgnet．com The World Journal of Gastroenterology Editorial Board consists of 5...Published by The WJG Press and Elsevier Inc．,PO Box 23451 Beijing 100023,China Fax:+86-(0)10-85381893 E-mail:wjg@wjgnet．com http://www．wjgnet．com The World Journal of Gastroenterology Editorial Board consists of 519 members,representing a team of worldwide experts in gastroenterology and hepatology．They are from 51 countries,including Albania(1),Algeria(1),Argentina(1),Australia(8), Austria(5),Belarus(1),Belgium(6),Brazil(1),Bulgaria(1),Canada(7),China(50),Costa Rica(1),Croatia(1),Denmark(6), Egypt(1),Finland(1),France(18),Germany(35),Greece(2),Hungary(2),Iceland(1),India(5),Iran(1),Ireland(1),Israel(2),Italy(41),Japan(132),Lithuania(1),Macedonia(1),Malaysia(3),Monaco(1),Netherlands(13),Norway(2),Pakistan(1),Philippines(1),Poland(2),Portugal(1),Russia(3),Singapore(2),Slovakia(1),South Africa(2),South Korea(6),Spain(20), Sri Lanka(1),Swaziland(1),Sweden(4),Switzerland(4),Turkey(3),United Kingdom(20),United States(90),Yugoslavia(1)． HONORARY EDITORS-IN-CHIEF Ke-Ji Chen,Professor Xiyuan Hospital,Chinese Tranditional Medicine University,Beijing 100091,China. kjchen@public．bta．net．展开更多
Aluminum alloy thin-walled structures are widely used in the automotive industry due to their advantages related to light weight and crashworthiness.They can be produced at room temperature by the electrohydraulic for...Aluminum alloy thin-walled structures are widely used in the automotive industry due to their advantages related to light weight and crashworthiness.They can be produced at room temperature by the electrohydraulic forming process.In the present study,the influence of the related parameters on the forming quality of a 6063 aluminum alloy sinusoidal corrugation tube has been assessed.In particular,the orthogonal experimental design(OED)and central composite design(CCD)methods have been used.Through the range analysis and variance analysis of the experimental data,the influence degree of wire diameter(WD)and discharge energy(DE)on the forming quality was determined.Multiple regression analysis was performed using the response surface methodology.A prediction model for the attaching-die state coefficient was established accordingly.The following optimal arrangement of parameters was obtained(WD=0.759 mm,DE=2.926 kJ).The attaching-die state coefficient reached the peak value of 0.001.Better optimized wire diameter and discharge energy for a better attaching-die state could be screened by CCD compared with OED.The response surface method in CCD was more suitable for the design and optimization of the considered process parameters.展开更多
文摘Dr.George Chiou is Professor and Director of the Institute of Ocular Pharmacology and Professor of Neuroscience and Experimental Therapeutics at Texas A&M University System Health Science Center.He has served as Head of Department of Medical Pharmacology and Toxicology for 27.5 years until the department was reorganized in 2006.He also is an Adjunct Professor of Surgery and Ophthalmology at Texas A&M University College of Medicine,
文摘Published by The WJG Press and Elsevier Inc．,PO Box 23451 Beijing 100023,China Fax:+86-(0)10-85381893 E-mail:wjg@wjgnet．com http://www．wjgnet．com The World Journal of Gastroenterology Editorial Board consists of 519 members,representing a team of worldwide experts in gastroenterology and hepatology．They are from 51 countries,including Albania(1),Algeria(1),Argentina(1),Australia(8), Austria(5),Belarus(1),Belgium(6),Brazil(1),Bulgaria(1),Canada(7),China(50),Costa Rica(1),Croatia(1),Denmark(6), Egypt(1),Finland(1),France(18),Germany(35),Greece(2),Hungary(2),Iceland(1),India(5),Iran(1),Ireland(1),Israel(2),Italy(41),Japan(132),Lithuania(1),Macedonia(1),Malaysia(3),Monaco(1),Netherlands(13),Norway(2),Pakistan(1),Philippines(1),Poland(2),Portugal(1),Russia(3),Singapore(2),Slovakia(1),South Africa(2),South Korea(6),Spain(20), Sri Lanka(1),Swaziland(1),Sweden(4),Switzerland(4),Turkey(3),United Kingdom(20),United States(90),Yugoslavia(1)． HONORARY EDITORS-IN-CHIEF Ke-Ji Chen,Professor Xiyuan Hospital,Chinese Tranditional Medicine University,Beijing 100091,China. kjchen@public．bta．net．
基金supported by National Natural Science Foundation of China(Grant Nos.51975202(Junjia Cui received the grant)and 52175315(Guangyao Li received the grant)).
文摘Aluminum alloy thin-walled structures are widely used in the automotive industry due to their advantages related to light weight and crashworthiness.They can be produced at room temperature by the electrohydraulic forming process.In the present study,the influence of the related parameters on the forming quality of a 6063 aluminum alloy sinusoidal corrugation tube has been assessed.In particular,the orthogonal experimental design(OED)and central composite design(CCD)methods have been used.Through the range analysis and variance analysis of the experimental data,the influence degree of wire diameter(WD)and discharge energy(DE)on the forming quality was determined.Multiple regression analysis was performed using the response surface methodology.A prediction model for the attaching-die state coefficient was established accordingly.The following optimal arrangement of parameters was obtained(WD=0.759 mm,DE=2.926 kJ).The attaching-die state coefficient reached the peak value of 0.001.Better optimized wire diameter and discharge energy for a better attaching-die state could be screened by CCD compared with OED.The response surface method in CCD was more suitable for the design and optimization of the considered process parameters.
