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Meta-analysis of stapled hemorrhoidopexy vs LigaSure hemorrhoidectomy

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World Journal of Gastroenterology 2013年第29期19卷 4799-4807页

作者： Jun Yang Pei-Jing Cui hua-zhong han Da-Nian Tong Department of Surgery Sixth People's Hospital Shanghai Jiao Tong University Department of Geriatrics Ruijin Hospital Shanghai Jiao Tong University

AIM: To compare outcome of stapled hemorrhoidopexy (SH) vs LigaSure hemorrhoidectomy (LH) by a meta-analysis of available randomized controlled trials (RCTs). METHODS: Databases, including PubMed, EMBASE, the Cochrane Library, and the Science Citation Index updated to December 2012, were searched. The main outcomes measured were operating time, early postoperative pain, postoperative urinary retention and bleeding, wound problems, gas or fecal incontinence, anal stenosis, length of hospital stay, residual skin tags, prolapse, and recurrence. The meta-analysis was performed using the free software Review Manager. Differences observed between the two groups were expressed as the odds ratio (OR) with 95%CI. A fixedeffects model was used to pool data when statistical heterogeneity was not present. If statistical heterogeneity was present (P han for LH (P han in the SH group [2/111 (1.8%) vs 16/105 (15.2%); P = 0.0004; OR= 0.17, 95%CI: 0.06-0.45). The incidence of recurrence after the procedures was significantly lower in the LH group than in the SH group [2/173 (1.2%) vs 13/174 (7.5%); P = 0.003; OR= 0.21, 95%CI: 0.07-0.59]. CONCLUSION: Both SH and LH are probably equally valuable techniques in modern hemorrhoid surgery. However, LigaSure might have slightly favorable immediate postoperative results and technical advantages.

关键词： Stapled hemorrhoidopexy Ligasure hemorrhoidectomy Hemorrhoids Meta-analysis

Does hyoscine butylbromide really improve polyp detection during colonoscopy? A meta-analysis of randomized controlled trials

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World Journal of Gastroenterology 2014年第22期20卷 7034-7039页

作者： Pei-Jing Cui Jing Yao hua-zhong han Yi-Jun Zhao Jun Yang Department of Geriatrics Ruijin HospitalShanghai Jiao Tong University School of Medicine Department of Surgery Sixth People’s HospitalShanghai Jiao Tong University

AIM: To investigate the benefits of hyoscine butylbromide in polyp detection during colonoscopy by a meta-analysis of available randomized controlled trials (RCTs).

关键词： Hyoscine butylbromide Polyp detection Adenoma detection Colonoscopy

Biliary stenting with or without sphincterotomy for malignant biliary obstruction:A meta-analysis

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World Journal of Gastroenterology 2014年第38期20卷 14033-14039页

作者： Pei-Jing Cui Jing Yao Yi-Jun Zhao hua-zhong han Jun Yang Department of Geriatrics Ruijin HospitalShanghai Jiao Tong University School of Medicine Department of Surgery Sixth People’s HospitalShanghai Jiao Tong University

AIM: To investigate the benefits of endoscopic sphincterotomy (EST) before stent placement by meta-analysis of randomized controlled trials (RCTs).

关键词： Biliary stent Endoscopic sphincterotomy Endoscopic retrograde cholangiopancreatography Malignant biliary obstruction

High-dimensional aerodynamic data modeling using a machine learning method based on a convolutional neural network

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Advances in Aerodynamics 2022年第1期4卷 845-875页

作者： Bo-Wen Zan zhong-hua han Chen-Zhou Xu Ming-Qi Liu Wen-Zheng Wang Institute of Aerodynamic and Multidisciplinary Design Optimization National Key Laboratory of Science and Technology On Aerodynamic Design and ResearchSchool of AeronauticsNorthwestern Polytechnical UniversityXi’an710072China Aircraft Swarm Intelligent Sensing and Cooperative Control Key Laboratory of Sichuan Province School of Aeronautics and AstronauticsUniversity of Electronic Science and Technology of ChinaChengdu611731China

Modeling high-dimensional aerodynamic data presents a significant challenge in aero-loads prediction, aerodynamic shape optimization, flight control, and simulation. This article develops a machine learning approach based on a convolutional neural network (CNN) to address this problem. A CNN can implicitly distill features underlying the data. The number of parameters to be trained can be significantly reduced because of its local connectivity and parameter-sharing properties, which is favorable for solving high-dimensional problems in which the training cost can be prohibitive. A hypersonic wing similar to the Sanger aerospace plane carrier wing is employed as the test case to demonstrate the CNN-based modeling method. First, the wing is parameterized by the free-form deformation method, and 109 variables incorporating flight status and aerodynamic shape variables are defined as model input. Second, more than 7000 sample points generated by the Latin hypercube sampling method are evaluated by performing computational fluid dynamics simulations using a Reynolds-averaged Navier-Stokes flow solver to obtain an aerodynamic database, and a CNN model is built based on the observed data. Finally, the well-trained CNN model considering both flight status and shape variables is applied to aerodynamic shape optimization to demonstrate its capability to achieve fast optimization at multiple flight statuses.

关键词： Aerodynamic data modeling High-dimensional problem Machine learning Convolutional neural network Computational fluid dynamics

Alternative splicing of VEGFA,APP and NUMB genes in colorectal cancer

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World Journal of Gastroenterology 2015年第21期21卷 6550-6560页

作者： Yi-Jun Zhao hua-zhong han Yong Liang Chen-Zhang Shi Qing-Chao Zhu Jun Yang Department of Surgery Shanghai Jiao Tong UniversityAffiliated Sixth People’s Hospital Department of Gastrointestinal Surgery the Affiliated Hospital of Xuzhou Medical College

AIM:To investigate alternative splicing in vascular endothelial growth factor A(VEGFA),amyloid beta precursor protein(APP),and Numb homolog(NUMB) in colorectal cancer(CRC).METHODS:Real-time quantitative reverse transcriptase polymerase chain reaction(q RT-PCR) and PCRrestriction fragment length polymorphism analyses were performed to detect the expression of VEGFA,APP,and NUMB mR NA in 20 CRC tissues and matched adjacent normal tissues,as well as their alternative splicing ***:q RT-PCR analysis revealed that the expression of APP,NUMB,and VEGFA 165 b m RNA were significantly downregulated,while VEGFA m RNA was upregulated,in CRC tissues(all P han in adjacent normal tissues(P < 0.05).Compared with adjacent normal tissues,the expression of NUMB-PRRS in CRC tissues was significantly decreased(P < 0.05),and the expression of NUMB-PRRL was increased(P < 0.05).CONCLUSION:Alternative splicing of VEGFA,APP,and NUMB may regulate the development of CRC,and represent new targets for its diagnosis,prognosis,and treatment.

关键词： Alternative splicing Amyloid beta precursorprotein Colorectal cancer Numb homolog Vascular endothelial growth factor A

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引丹灌区某渡槽数值计算分析及病险处理

长江科学院院报 2008年第6期25卷 58-61,66页

作者：钟汉华冷涛郑玲湖北水利水电职业技术学院建筑工程系武汉430070

针对灌区中渡槽普遍存在的病害现象,以引丹灌区某渡槽为研究对象,利用有限元软件对渡槽的实际使用状态进行分析,模拟渡槽在各种工况下的的运行状态。结合现场检测手段,分析渡槽产生病险的原因,为渡槽的使用状态做出科学的鉴定。分析结... 详细信息

针对灌区中渡槽普遍存在的病害现象,以引丹灌区某渡槽为研究对象,利用有限元软件对渡槽的实际使用状态进行分析,模拟渡槽在各种工况下的的运行状态。结合现场检测手段,分析渡槽产生病险的原因,为渡槽的使用状态做出科学的鉴定。分析结果表明考虑到渡槽防渗抗裂的要求,建议研究使用预应力混凝土渡槽。同时对碳纤维布加固混凝土渡槽的工艺要求做了简要的介绍。

关键词：渡槽裂缝有限元结构加固

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水下不扩散混凝土在水下建筑物修补中的应用

混凝土 2008年第2期 119-121页

作者：钟汉华桂剑平湖北水利水电职业技术学院湖北武汉430070

湖北黄龙滩水电站尾水渠由于长期受高速水流冲刷,临河侧基础形成了较大冲坑,危及尾水渠及电站的安全运行,为此对冲坑的处理分二期进行施工,一期工程用水下不扩散混凝土直接回填冲坑,二期工程是开挖深槽浇筑混凝土防冲墙。回填工程用水... 详细信息

湖北黄龙滩水电站尾水渠由于长期受高速水流冲刷,临河侧基础形成了较大冲坑,危及尾水渠及电站的安全运行,为此对冲坑的处理分二期进行施工,一期工程用水下不扩散混凝土直接回填冲坑,二期工程是开挖深槽浇筑混凝土防冲墙。回填工程用水下不扩散混凝土絮凝剂拌制混凝土拌合物,用混凝土泵通过导管将混凝土送入水下仓面浇筑,混凝土能充填冲坑孔隙,混凝土强度也较高。

关键词：水下施工不扩散混凝土基础工程加固

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Multi boron-doping effects in hard carbon toward enhanced sodium ion storage

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Journal of Energy Chemistry 2025年第1期100卷 730-738页

作者： Peng Zheng Wang Zhou Ying Mo Biao Zheng Miaomiao han Qin zhong Wenwen Yang Peng Gao Lezhi Yang Jilei Liu College of Materials Science and Engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology Hunan University Greater Bay Area Institute for Innovation Hunan University Changsha Research Institute of Mining & Metallurgy Co. LTD.

Hard carbon （HC） has been considered as promising anode material for sodium-ion batteries （SIBs）.The optimization of hard carbon’s microstructure and solid electrolyte interface （SEI） property are demonstrated effective in enhancing the Na+storage capability,however,a one-step regulation strategy to achieve simultaneous multi-scale structures optimization is highly ***,we have systematically investigated the effects of boron doping on hard carbon’s microstructure and interface chemistry.A variety of structure characterizations show that appropriate amount of boron doping can increase the size of closed pores via rearrangement of carbon layers with improved graphitization degree,which provides more Na+storage ***-situ Fourier transform infrared spectroscopy/electrochemical impedance spectroscopy （FTIR/EIS） and X-ray photoelectron spectroscopy （XPS） analysis demonstrate the presence of more BC3and less B–C–O structures that result in enhanced ion diffusion kinetics and the formation of inorganic rich and robust SEI,which leads to facilitated charge transfer and excellent rate *** a result,the hard carbon anode with optimized boron doping content exhibits enhanced rate and cycling *** general,this work unravels the critical role of boron doping in optimizing the pore structure,interface chemistry and diffusion kinetics of hard carbon,which enables rational design of sodium-ion battery anode with enhanced Na+storage performance.

关键词： X ray photoelectron spectroscopy

水下不分散混凝土在水电站尾水渠淘刷处理中的应用

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水利水电技术 2008年第3期39卷 48-51页

作者：钟汉华桂剑平冷涛湖北水利水电职业技术学院湖北武汉430070

黄龙滩水电站1、2号机尾水渠出口由于坐落在黄龙—草店大断裂上,基础岩石破碎,受大坝泄洪水流冲刷,出口沿线基础冲刷严重,尾水渠出口外侧为一跌坎,深度10m左右,下部基础向内淘刷严重,有3个淘刷洞。尾水渠出口加固采用沿外侧新浇水下不... 详细信息

黄龙滩水电站1、2号机尾水渠出口由于坐落在黄龙—草店大断裂上,基础岩石破碎,受大坝泄洪水流冲刷,出口沿线基础冲刷严重,尾水渠出口外侧为一跌坎,深度10m左右,下部基础向内淘刷严重,有3个淘刷洞。尾水渠出口加固采用沿外侧新浇水下不分散混凝土加固,在外侧及顶部配置钢筋网,下部基础采用固结灌浆,后期封孔时插入钢筋束。

关键词：尾水渠出口加固水下不分散混凝土黄龙滩水电站

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