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The optimal stent pusher position to achieve successful ureteral stent insertion under fluoroscopic guidance

Asian Journal of Urology 2024年第2期11卷 311-315页

作者： Makoto Taguchi Kaneki Yasuda Hidefumi Kinoshita Department of Urology Osaka Saiseikai Izuo Hospital Based on Social Welfare Organization“Saiseikai”Imperial Gift Foundation Inc.OsakaJapan Department of Urology and Andrology Kansai Medical UniversityHirakataOsakaJapan

Objective: To examine factors to predict the optimal stent pusher position when inserting ureteral stents under ***: We retrospectively reviewed 327 patients who underwent ureteral stent insertion. We considered the pubic bone as a useful anatomical landmark to insert ureteral stents under fluoroscopic guidance. Thus, we categorized patients into three groups (proximal, middle, and distal groups) according to the position of the radiopaque tip of the push catheter when inserting the ureteral stent. Success was defined as a completely curled ureteral stent tail. We compared stent insertion success rates among the three groups. A multivariate analysis was performed to identify the factors affecting stent insertion ***: In men, 36 (63.2%) cases were deemed successful in the proximal group compared with 40 (80.0%) cases in the middle group and 12 (20.7%) cases in the distal group (p<0.001). In women, 26 (45.6%) cases were deemed successful in the proximal group compared with 54 (98.2%) cases in the middle group and 38 (76.0%) cases in the distal group (p<0.001). With the multivariate analysis, the stent pusher position was the most significant factor influencing successful stent insertion (men: odds ratio 6.00, 95% confidence interval 2.66-13.51, p<0.001;women: odds ratio 37.80, 95% confidence interval 4.94-289.22, p<0.001).Conclusion: The position of the stent pusher affects stent insertion success. The middle of the pubic symphysis is the optimal position for the radiopaque tip of the pusher when inserting ureteral stents under fluoroscopic guidance.

关键词： Stent Cystoscopy Fluoroscopy Ureter

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Efficiency improvement by using metal–insulator‑semiconductor structure in InGaN/GaN micro‑light‑emitting diodes

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Frontiers of Optoelectronics 2024年第1期17卷 77-84页

作者： Jian Yin David Hwang Hossein Zamani Siboni Ehsanollah Fathi Reza Chaji Dayan Ban Department of Electrical and Computer Engineering Waterloo Institute NanotechnologyUniversity of WaterlooWaterlooON N2L 3G1Canada Vuereal inc. 440 Philip StreetUnit 100WaterlooON N2L 5R9Canada

InGaN/GaN micro-light-emitting diodes(micro-LEDs)with a metal–insulator-semiconductor(MIS)structure on the sidewall are proposed to improve *** this MIS structure,a sidewall electrode is deposited on the insulating layer-coated sidewall of the device mesa between a cathode on the bottom and an anode on the ***(EL)measurements of fabricated devices with a mesa diameter of 10μm show that the application of negative biases on the sidewall electrode can increase the device external quantum efficiency(EQE).In contrast,the application of positive biases can decrease the *** band structure analysis reveals that the EQE is impacted because the application of sidewall electric fields manipulates the local surface electron density along the mesa sidewall and thus controls surface Shockley–Read–Hall(SRH)*** suggested strategies,reducing insulator layer thickness and exploring alternative materials,can be implemented to further improve the EQE of MIS micro-LEDs in future fabrication.

关键词： Micro-LED GaN EQE improvement Micro-fabrication

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From Digital Human Modeling to Human Digital Twin: Framework and Perspectives in Human Factors

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Chinese Journal of Mechanical Engineering 2024年第1期37卷 1-14页

作者： Qiqi He Li Li Dai Li Tao Peng Xiangying Zhang Yincheng Cai Xujun Zhang Renzhong Tang State Key Laboratory of Fluid Power Components and Mechatronic Systems Zhejiang UniversityHangzhou 310027China ZJU-Sunon Joint Research Center for Smart Furniture Zhejiang UniversityHangzhou 310027China PICO-Lab Bytedance Inc.Shanghai 200233China Sunon Technology Co. Ltd.Hangzhou 311215China

The human digital twin(HDT)emerges as a promising human-centric technology in Industry 5.0,but challenges remain in human modeling and *** human modeling(DHM)provides solutions for modeling and simulating human physical and cognitive aspects to support ergonomic ***,it has limitations in real-time data usage,personalized services,and timely *** emerging HDT concept offers new possibilities by integrating multi-source data and artificial intelligence for continuous monitoring and ***,this paper reviews the evolution from DHM to HDT and proposes a unified HDT framework from a human factors *** framework comprises the physical twin,the virtual twin,and the linkage between these *** virtual twin integrates human modeling and AI engines to enable model-data-hybrid-enabled *** can potentially upgrade traditional ergonomic methods to intelligent services through real-time analysis,timely feedback,and bidirectional ***,the future perspectives of HDT for industrial applications as well as technical and social challenges are *** general,this study outlines a human factors perspective on HDT for the first time,which is useful for cross-disciplinary research and human factors innovation to enhance the development of HDT in industry.

关键词： Human digital twin Digital human modeling Human factors Human-centric technology

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The Axiology of Consciousness in Mocombeian Consciousness Field Theory

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Philosophy Study 2024年第4期14卷 168-185页

作者： Paul C.Mocombe West Virginia State University West VirginiaUSA The Mocombeian Foundation Inc.FloridaUSA

This work explores the axiology of consciousness in Mocombe’s consciousness field in the material *** paper critically assesses Mocombe’s consciousness field theory(CFT)within the larger body of contemporary ontological debates regarding the nature,origin,and constitution of consciousness in the *** work goes on to highlight the manifestation of Mocombe’s consciousness field in the material resource framework that is the earth,and the nature and origins of ethics and values.

关键词： structuration theory phenomenological structuralism structure/agency mythopraxis quantum mechanics social class language game Haitian epistemology Haitian/Vilokan idealism consciousness field theory

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Burden of gallstone disease in the United States population:Prepandemic rates and trends

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World Journal of Gastrointestinal Surgery 2024年第4期16卷 1130-1148页

作者： Aynur Unalp-Arida Constance E Ruhl National Institute of Diabetes and Digestive and Kidney Diseases National Institutes of HealthBethesdaMD 20892-5458United States Social&Scientific Systems Inc.DLH Holdings Corp CompanySilver SpringMD 20910United States

BACKGROUND Gallstone disease is one of the most common digestive disorders in the United States and leads to significant morbidity,mortality,and health care *** To expand on earlier findings and investigate prepandemic rates and trends in the gallstone disease burden in the United States using national survey and claims *** The National Ambulatory Medical Care Survey,National Inpatient Sample,Nationwide Emergency Department Sample,Nationwide Ambulatory Surgery Sample,Vital Statistics of the United States,Optum Clinformatics®Data Mart,and Centers for Medicare and Medicaid Services Medicare 5%Sample and Medicaid files were used to estimate claims-based prevalence,medical care including cholecystectomy,and mortality with a primary or other gallstone *** were age-adjusted(for national databases)and shown per 100000 *** Gallstone disease prevalence(claims-based,2019)was 0.70%among commercial insurance enrollees,1.03%among Medicaid beneficiaries,and 2.09%among Medicare beneficiaries and rose over the previous ***,in the United States population,gallstone disease contributed to approximately 2.2 million ambulatory care visits,1.2 million emergency department visits,625000 hospital discharges,and 2000 deaths *** had higher medical care rates with a gallstone disease diagnosis,but mortality rates were higher among *** had higher ambulatory care visit and hospital discharge rates compared with Whites,but not mortality *** had lower ambulatory care visit and mortality rates,but similar hospital discharge rates compared with *** the study period,ambulatory care and emergency department visit rates with a gallstone disease diagnosis rose,while hospital discharge and mortality rates *** commercial insurance enrollees,rates were higher compared with national data for ambulatory care visits and hospitalizations,but lower for emergency department ***

关键词： Gallstone disease Burden Cholecystectomy Mortality Health care use Cholelithiasis Gallstones Epidemiology

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Comparative study of univariate and multivariate strategy for short-term forecasting of heat demand density:Exploring single and hybrid deep learning models

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Energy and AI 2024年第2期16卷 53-68页

作者： Sajad Salehi Miroslava Kavgic Hossein Bonakdari Luc Begnoche Civil Engineering Department University of Ottawa161 Louis PasteurOttawaON K1N 6N5Canada Advisors inc 525-38 Place du CommerceMontrealQC H3E 1TBCanada

Accurate short-term forecasting of heating energy demand is needed for achieving optimal building energy management,cost savings,environmental sustainability,and responsible energy ***,short-term heating energy prediction contributes to zero-energy building performance in cold *** the critical importance of short-term forecasting in heating energy management,this study evaluated six prevalent deep-learning algorithms to predict energy load,including single and hybrid *** overall best-performing predictors were hybrid models using Convolutional Neural Networks,regardless of whether they were multivariate or ***,while the multivariate models performed better in the first hour,the univariate models often were more accurate in the final 24 ***,the best-performing predictor of the first timestep was a multivariate hybrid Convolutional Neural Network–Recurrent Neural Network model with a coefficient of determination(R^(2))of 0.98 and the lowest mean absolute ***,the best-performing predictor of the final timestep was the univariate hybrid model Convolutional Neural Network–Long Short-Term Memory with an R^(2)of ***,the prediction accuracy of the best-performing multivariate hybrid models reduced faster per hour compared to the univariate *** findings suggest that multivariate models may be better suited for early timestep predictions,while univariate models may be better suited for later time ***,combining the models can enhance accuracy at various timesteps for achieving high fidelity in forecasting and offering a comprehensive tool for energy management.

关键词： Short-term heat demand forecasting Multiple-step output strategy Deep learning Cold climates Commercial buildings

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Interdigital MnO_(2)/PEDOT Alternating Stacked Microelectrodes for High-Performance On-Chip Microsupercapacitor and Humidity Sensing

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Energy & Environmental Materials 2024年第2期7卷 257-267页

作者： Muhammad Tahir Lihong Li Liang He Zhongyuan Xiang Zeyu Ma Waqas Ali Haider Xiaoqiao Liao Yanlin Song Key Laboratory of Green Printing CAS Research/Education Centre for Excellence in Molecular SciencesInstitute of Chemistry Chinese Academy of Sciences(ICCAS)Beijing 100190China School of Mechanical Engineering Sichuan UniversityChengdu 610065China A.S.Chemical Laboratories inc. Concord L4K 4M4ON Canada

For microelectronic devices,the on-chip microsupercapacitors with facile construction and high performance,are attracting researchers'prior consideration due to their high compatibility with modern ***,we proposed interchanging interdigital Au-/MnO_(2)/polyethylene dioxythiophene stacked microsupercapacitor based on a microfabrication process followed by successive electrochemical *** stacked configuration of two pseudocapacitive active microelectrodes meritoriously leads to an enhanced contact area between MnO_(2)and the conductive and electroactive layer of polyethylene dioxythiophene,hence providing excellent electron transport and diffusion pathways of electrolyte ions,resulting in increased pseudocapacitance of MnO_(2)and polyethylene *** stacked quasi-solid-state microsupercapacitors delivered the maximum specific capacitance of 43 mF cm^(-2)(211.9 F cm^(-3)),an energy density of 3.8μWh cm^(-2)(at a voltage window of 0.8 V)and 5.1μWh cm^(-2)(at a voltage window of 1.0 V)with excellent rate capability(96.6%at 2 mA cm^(-2))and cycling performance of 85.3%retention of initial capacitance after 10000 consecutive cycles at a current density of 5 mA cm^(-2),higher than those of ever reported polyethylene dioxythiophene and MnO_(2)-based planar *** from the favorable morphology,bilayer microsupercapacitor is utilized as a flexible humidity sensor with a response/relaxation time superior to those of some commercially available integrated *** strategy will be of significance in developing high-performance on-chip integrated microsupercapacitors/microsensors at low cost and environment-friendly routes.

关键词： electrochemical polymerization microsensor microsupercapacitor stacked microelectrode

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Study on Efficacy and Safety of Lophatherum Gracile Extract

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China Detergent & Cosmetics 2024年第1期9卷 30-38页

作者： Zhou Qiuna Li Tingting Yang Meng Zhou Chunya KIM Young Heui Cosmax China inc.China Cosmax Shanghai Testing Technology Co. Ltd.China

Lophatherum gracile extract(LG)was taken as the research object,and evaluated respectively from two dimensions of efficacy and safety,so as to enhance its application prospect in the field of *** irritation and skin irritation were evaluated by chick embryo chorioallantoic membrane experiment(HET-CAM)and human patch *** transient potential receptor vanillate subtype 1(TRPV1)was highly expressed in the cell model,and the influence of the expression of interleukin 8(IL-8)and monocyte chemotactic factor(MCP-1)were *** skin stimulation models were established using sodium dodecyl sulfate,lactic acid and capsaicin and to determine its ability to relieve skin ***-CAM and human patch test show that LG has good eye safety and skin *** the cell model with over-expression of TRPV1,LG can reduce the over-expression of IL-8 and MCP-1 in a dose-dependent *** human evaluation,LG can significantly reduce the transepidermal water loss rate(TEWL)and skin erythema index(EI)increase caused by SDS(p<0.05),instantly alleviate skin irritation caused by lactic acid stimulation,significantly reduce skin discomfort and redness caused by capsaicin stimulation,indicating that LG can accelerate the repair of damaged skin and enhance the barrier function of sensitive skin(p<0.05).The results of Therefore,as an active raw material of plant origin,LG has the characteristics of high efficiency,strong effect and safety,which can be widely used in the development of skin care product.

关键词： Lophatherum gracile extract sensitivity skin safety

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Developing a Clang Libtooling-Based Refactoring Tool for CUDA GPU Programming

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Journal of Software Engineering and Applications 2024年第2期17卷 89-108页

作者： Kian Nejadfard Janche Sang Champ Titles Inc. Cleveland USA Department of Computer Science Cleveland State University Cleveland USA

Refactoring tools, whether fully automated or semi-automated, are essential components of the software development life cycle. As software libraries and frameworks evolve over time, it’s crucial for programs utilizing them to also evolve to remain compatible with modern advancements. Take, for example, NVIDIA CUDA’s platform for general-purpose GPU programming. Embracing the more contemporary unified memory architecture offers several benefits, such as simplifying program source code, reducing bugs stemming from manual memory management between host and device memory, and optimizing memory transfer through automated memory handling. This paper describes our development of a refactoring tool based on Clang’s Libtooling to facilitate this transition automatically, thereby relieving developers from the burden and risks associated with manually refactoring large code bases.

关键词： Refactoring CUDA Unified Memory Clang Libtooling

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Polymer transfer film formation from cryogenic to elevated temperatures

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Friction 2024年第9期12卷 2018-2032页

作者： Kian BASHANDEH Vasilis TSIGKIS Ahmad AMIRI Pixiang LAN Andreas A.POLYCARPOU J.Mike Walker’66 Department of Mechanical Engineering Texas A&M UniversityCollege StationTexas 77843USA ATSP Innovations Inc.HoustonTexas 77055USA Russell School of Chemical Engineering The University of TulsaTulsaOklahoma 74104USA Department of Mechanical Engineering The University of TulsaTulsaOklahoma 74104USA

This study reports on the tribological performance of aromatic thermosetting co-polyester(ATSP)and polyether ether ketone(PEEK)-based polymer composite coatings mixed with PTFE *** coatings were tested across a wide temperature range from−180 to 110℃ to simulate the environmental temperatures on Titan,Moon,and Mars,which are of particular interest for NASA’s future exploratory *** experimental setup was developed to conduct the pin-on-disk experiments under dry sliding conditions and extreme temperature and contact *** film formation and its characteristics were found to play significant roles in the tribological performance,and the characteristics of the film were *** XPS and SEM analysis indicated the increase of the PTFE content in the transfer film as the temperature decreased to cryogenic *** coefficient of friction did not follow a linear trend with temperature and was minimum at 110℃ and maximum at−180℃.ATSP coating showed superior performance with lower friction and unmeasurable wear at all temperatures,whereas PEEK coating exhibited maximum wear at 25℃ followed by−180,and 110℃.

关键词： transfer film cryogenic high temperature tribology space tribology polymer coating

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