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Study on Optimal Water ControlMethods for Horizontal Wells in Bottom Water Clastic Rock Reservoirs

Fluid Dynamics & Materials Processing 2024年第10期20卷 2377-2392页

作者： Xianghua Liu Hai Song Lu Zhao Yan Zheng neng yang Dongling Qiu Sinopec Northwest Oilfield Branch Northwest Oilfield Branch of China Petroleum and Chemical CorporationUrumqi830011China School of Petroleum and Natural Gas Engineering Southwest Petroleum UniversityChengdu610500China

The segmented water control technology for bottom water reservoirs can effectively delay the entry of bottom water and adjust the production *** clarify the impact of different methods on horizontal well production with different reservoir conditions and to provide theoretical support for the scientific selection of methods for bottom water reservoirs,a numerical simulation method is presented in this study,which is able to deal with wellbore reservoir coupling under screen tube,perforation,and ICD(Inflow Control Device)*** the geological characteristics of the bottom-water conglomerate reservoir in the Triassic Formation of the Tahe Block 9 as a test case,the three aforementioned completion methods are tested to predict the transient production *** impact of completion parameters,reservoir permeability,bottom-water energy,and individual well control on the time to encounter water in horizontal wells(during a water-free production period)is discussed.A boundary chart for the selection of completion methods is introduced *** results show that the optimized ICD completion development effect for heterogeneous reservoirs is the best,followed by optimized perforation *** is the main factor affecting the performances of completion methods,while bottom water energy and single well controlled reserves have a scarce *** average permeability of the reservoir is less than 500 mD,and ICD has the best water control *** the permeability is greater than 500 mD,the water control effect of perforation completion becomes a better option.

关键词： Completion method bottom water low-permeability oil reservoir horizontal well development effect

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《清代四川南部县衙门档案》俗语词考释五则

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平顶山学院学报 2024年第1期39卷 26-31页

作者：杨小平阳能西华师范大学文学院四川南充637009

《清代四川南部县衙门档案》被称为“一座内容极其丰富的地方文献宝库”,内容丰富,但存有较多的俗语词,给读者的阅读和学者的研究带来一定的障碍。根据传世文献,结合语境,对其中五则俗语词进行考释,得出释义。“耗伐”即“砍伐损害”,... 详细信息

《清代四川南部县衙门档案》被称为“一座内容极其丰富的地方文献宝库”,内容丰富,但存有较多的俗语词,给读者的阅读和学者的研究带来一定的障碍。根据传世文献,结合语境,对其中五则俗语词进行考释,得出释义。“耗伐”即“砍伐损害”,“弹收”即“验收”,“向问”即“询问、理论、指责”,“压佃钱”即“租借时所付的作抵押用的钱,俗称押金”,“战哨船只”即“战船和哨船,分别用于作战打仗和警戒巡逻”。

关键词：《清代四川南部县衙门档案》俗语词考释

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“银”字俗体演变考

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湖北理工学院学报（人文社会科学版） 2024年第3期41卷 51-56页

作者：杨小平阳能西华师范大学文学院四川南充637009

“银”字在南部档案、巴县档案、徽州文书等清代写本文献中有不同俗体,类型较多,影响文献的阅读理解与整理研究。本文考辨“艮”“■”“■”“■”“■”“■”等俗体,理清“银”字俗体的演变关系。

关键词：银俗字考释

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《三国志》裴注词语例释二则

语言与文化研究

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语言与文化研究 2024年第5期32卷 56-59页

作者：阳能陈子祎西华师范大学文学院南充637009

《三国志》作为“前四史”之一,其语言晦涩难懂,难以理解。裴松之所作注解多引用六朝史书、文献,对今人的阅读也有一定的阻碍。现选取“桀恶”“赠送”两个词语,根据上下语境,结合相关辞书、历史文献等对其进行考释。“桀恶”即“杰出... 详细信息

《三国志》作为“前四史”之一,其语言晦涩难懂,难以理解。裴松之所作注解多引用六朝史书、文献,对今人的阅读也有一定的阻碍。现选取“桀恶”“赠送”两个词语,根据上下语境,结合相关辞书、历史文献等对其进行考释。“桀恶”即“杰出人才、勇猛之人”之义;“赠送”即“赠别送行”之义,指“生者对死者的送行、送葬”。

关键词：《三国志》裴注桀恶赠送考释

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Trajectory tracking for an autonomous airship using fuzzy adaptive sliding mode control

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Journal of Zhejiang University-Science C(Computers and Electronics) 2012年第7期13卷 534-543页

作者： Yue-neng yang Jie WU Wei ZHENG College of Aerospace and Materials Engineering National University of Defense TechnologyChangsha 410073China

We present a novel control approach for trajectory tracking of an autonomous ***,the dynamics model and the trajectory control problem of an airship are ***,the sliding mode control law is designed to track a time-varying reference *** achieve better control performance,fuzzy adaptive sliding mode control is proposed in which the control gains are tuned according to fuzzy rules,and an adaptation law is used to guarantee that the control gains can compensate for model uncertainties of the *** stability of the closed-loop control system is proven via the Lyapunov ***,simulation results illustrate the effectiveness and robustness of the proposed control scheme.

关键词： Trajectory control Sliding mode Fuzzy system Adaptation law Uncertainty External disturbance Airship

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滇中元江栲林下土壤活性有机碳空间分布特征

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森林与环境学报 2024年第1期44卷 45-52页

作者：陈晓琴李小英陈梦婕吴思政王毅雯杨能西南林业大学生态与环境学院云南昆明650233 玉溪市玉白顶自然保护区管理局云南玉溪653199

为探究滇中元江栲林下土壤活性有机碳在垂直空间上的分布及其影响机制,以滇中地区不同海拔(2090~2490 m)、不同坡向(阴、阳坡)元江栲林为研究对象,探究林下0~60 cm土层土壤有机碳(SOC)、微生物量碳(MBC)、可溶性有机碳(DOC)、易氧化有机... 详细信息

为探究滇中元江栲林下土壤活性有机碳在垂直空间上的分布及其影响机制,以滇中地区不同海拔(2090~2490 m)、不同坡向(阴、阳坡)元江栲林为研究对象,探究林下0~60 cm土层土壤有机碳(SOC)、微生物量碳(MBC)、可溶性有机碳(DOC)、易氧化有机碳(ROC)、颗粒性有机碳(POC)含量的空间分布特征。结果表明:SOC、MBC、ROC、POC含量随海拔上升先升高再降低,DOC含量随海拔上升逐渐降低,4种活性有机碳组分含量表现为POC>ROC>MBC>DOC。4种土壤活性有机碳含量均阴坡高于阳坡,且随土层深度增加呈明显下降趋势,0~20 cm土层高于20~40、40~60 cm土层。各个土壤活性有机碳组分在土壤有机碳中的占比表现为POC/SOC>ROC/SOC>MBC/SOC>DOC/SOC,POC为4种活性有机碳库中的主要碳库,MBC/SOC比值随海拔上升无明显变化规律,ROC/SOC、POC/SOC比值随海拔上升先增大再减小。SOC、MBC、ROC、POC含量任意两者间均呈极显著正相关(P<0.01),土壤活性有机碳含量与土壤pH值呈极显著负相关(P<0.01)。海拔与土层极显著影响SOC、DOC、MBC、ROC、POC含量(P<0.001),坡向极显著影响SOC、POC含量(P<0.01,P<0.001),显著影响DOC含量(P<0.05)。

关键词：元江栲海拔坡向土壤有机碳活性碳组分滇中地区

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Light-based 3D printing of stimulus-responsive hydrogels forminiature devices:recent progress and perspective

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Bio-Design and Manufacturing 2024年第5期7卷 721-746页

作者： Chen Xin neng Xia Li Zhang Department of Mechanical and Automation Engineering The Chinese University of Hong KongHong Kong 999077China Multi-Scale Medical Robotics Center Hong Kong Science ParkShatin NTHong Kong 999077China Chow Yuk Ho Technology Center for Innovative Medicine The Chinese University of Hong KongHong Kong 999077China Department of Surgery The Chinese University of Hong KongHong Kong 999077China CUHK T Stone Robotics Institute The Chinese University of Hong KongHong Kong 999077China

Miniature devices comprising stimulus-responsive hydrogels with high environmental adaptability are now considered competitive candidates in the fields of biomedicine,precise sensors,and tunable *** and advanced fabricationmethods are critical formaximizing the application capabilities ofminiature ***-based three-dimensional(3D)printing technology offers the advantages of a wide range of applicable materials,high processing accuracy,and strong 3D fabrication capability,which is suitable for the development of miniature devices with various *** paper summarizes and highlights the recent advances in light-based 3D-printed miniaturized devices,with a focus on the latest breakthroughs in lightbased fabrication technologies,smart stimulus-responsive hydrogels,and tunable miniature devices for the fields of miniature cargo manipulation,targeted drug and cell delivery,active scaffolds,environmental sensing,and optical ***,the challenges in the transition of tunable miniaturized devices from the laboratory to practical engineering applications are *** opportunities that will promote the development of tunable microdevices are elaborated,contributing to their improved understanding of these miniature devices and further realizing their practical applications in various fields.

关键词： 3D printing Stimulus-responsive hydrogels Miniature devices Shape-morphing

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Evaluating the efficacy of endoscopic sphincterotomy on biliary-type sphincter of Oddi dysfunction: A retrospective clinical trial

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World Journal of Clinical Cases 2021年第32期9卷 9835-9846页

作者： Li-Kun Ren Zhi-Yuan Cai Xun Ran neng-Hong yang Xing-Zhi Li Hao Liu Chang-Wei Wu Wen-Ying Zeng Min Han Department of General Surgery The Second Affiliated Hospital of Guizhou University of Traditional Chinese MedicineGuiyang 550025Guizhou ProvinceChina Department of Hepatobiliary Surgery Affiliated Hospital of Guizhou Medical UniversityGuiyang 550000Guizhou ProvinceChina Department of General Surgery The First People’s Hospital of Bijie CityBijie 551700Guizhou ProvinceChina

BACKGROUND Although endoscopic sphincterotomy(EST)has a positive therapeutic effect on biliary-type sphincter of Oddi dysfunction(SOD),some patients still have little relief after EST,which implies that other functional abdominal pain may also be present with biliary-type SOD and interfere with the diagnosis and treatment of *** To retrospectively assess EST as a treatment for biliary-type SOD and analyze the importance of functional gastrointestinal disorder(FGID)in guiding endoscopic treatment of *** Clinical data of 79 patients with biliary-type SOD(type I and type II)treated with EST at Affiliated Hospital of Guizhou Medical University from January 2014 to January 2019 were retrospectively collected to evaluate the clinical therapeutic effect of *** significance of relationship between FGID and biliary-type SOD was *** Seventy-nine patients with biliary-type SOD received EST,including 29 type 1 patients and 50 type 2 *** verbal rating scale-5(VRS-5)scores before EST were all 3 or 4 points,and the scores decreased after EST;the difference was statistically significant(P0.05).Of 12 biliary-type SOD(with FGID)patients,11 had abdominal pain after EST;of 67 biliary-type SOD(without FGID)patients,0 had abdominal pain after *** difference was statistically significant(P<0.05).The 11 biliary-type SOD(with FGID)patients with recurrence of symptoms,the recurrence time was about half a year after the EST,and the symptoms were signific

关键词： Sphincter of Oddi dysfunction Endoscopic sphincterotomy Functional gastrointestinal disorders Functional dyspepsia Functional heartburn Irritable bowel syndrome Curative effect

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6RSS仿人并联咀嚼机器人的刚性动力学建模分析

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医疗卫生装备 2024年第3期45卷 16-22页

作者：程晨袁晓静阳能军侯根良曾繁琦王友才罗伟蓬赵冠火箭军工程大学保障学院维修工程教研室西安710025

目的:对设计的6RSS仿人并联咀嚼机器人进行刚性动力学建模分析。方法:首先,推导刚性动力学建模所需的运动变量(包括平动/转动速度和加速度)函数。其次,使用牛顿-欧拉法则建立机器人的刚性动力学模型。最后,在机器人受到咀嚼反力情况下,... 详细信息

目的:对设计的6RSS仿人并联咀嚼机器人进行刚性动力学建模分析。方法:首先,推导刚性动力学建模所需的运动变量(包括平动/转动速度和加速度)函数。其次,使用牛顿-欧拉法则建立机器人的刚性动力学模型。最后,在机器人受到咀嚼反力情况下,跟踪口腔健康志愿者的咀嚼运动轨迹,并开展数值计算。结果:数值计算结果表明,机器人的驱动力矩和约束力出现峰值的时刻和咀嚼反力出现峰值的时刻一致。结论:外力对机器人的逆动力学有较大影响,该研究为机器人的运动控制以及优化设计提供了理论依据。

关键词： 6RSS 咀嚼机器人仿生设计并联机器人刚性动力学牛顿-欧拉法则

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Heterogeneous Task Allocation Model and Algorithm for Intelligent Connected Vehicles

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Computers, Materials & Continua 2024年第9期80卷 4281-4302页

作者： neng Wan Guangping Zeng Xianwei Zhou School of Computer and Communication Engineering University of Science and Technology BeijingBeijing100083China School of Mechanical and Transportation Southwest Forestry UniversityKunming650224China

With the development of vehicles towards intelligence and connectivity,vehicular data is diversifying and growing dramatically.A task allocation model and algorithm for heterogeneous Intelligent Connected Vehicle(ICV)applications are proposed for the dispersed computing network composed of heterogeneous task vehicles and Network Computing Points(NCPs).Considering the amount of task data and the idle resources of NCPs,a computing resource scheduling model for NCPs is *** the heterogeneous task execution delay threshold as a constraint,the optimization problem is described as the problem of maximizing the utilization of computing resources by *** proposed problem is proven to be NP-hard by using the method of reduction to a 0-1 knapsack problem.A many-to-many matching algorithm based on resource preferences is *** algorithm first establishes the mutual preference lists based on the adaptability of the task requirements and the resources provided by *** enables the filtering out of un-schedulable NCPs in the initial stage of matching,reducing the solution space *** solve the matching problem between ICVs and NCPs,a new manyto-many matching algorithm is proposed to obtain a unique and stable optimal matching *** simulation results demonstrate that the proposed scheme can improve the resource utilization of NCPs by an average of 9.6%compared to the reference scheme,and the total performance can be improved by up to 15.9%.

关键词： Task allocation intelligent connected vehicles dispersed computing matching algorithm

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