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Acute Appendicitis Pathways: A Systemic Review

Surgical Science 2021年第5期12卷 143-159页

作者： haifaa Malaekah Fahad Makhdoom haifa almedbal Rajesh Aggarwal General Surgery Department Dr. Soliman Fakeeh Hospital Fakeeh College of Medical Sciences Jeddah KSA General Surgery Department Imam Abdulrahman bin Faisal University Riyadh KSA Thoracic Surgery Department King Saud Medical City Riyadh KSA Division of Minimally Invasive Metabolic and Bariatric Surgery General Surgery Department Thomas Jefferson University and Jefferson Health Philadelphia USA

Background: Clinical pathways are effective in reducing healthcare cost and standardizing management protocol for diseases and conditions. However, there are no standardized pathways for appendicitis. This study aims to determine whether implementation of a standardized clinical pathway for managing appendicitis may lead to improved patient care. Materials and Methods: We searched for articles published in PubMed, MEDLINE, and Cochrane library between 1974 and 2015. Thirty-seven papers published in English that met inclusion criteria were included and analyzed in this review. A total of 37 studies met inclusion criteria and were analyzed for the purpose of this study. Results: A clear definition for appendicitis pathway was observed in 30 articles. Appendicitis was diagnosed based on clinical and laboratory findings;however, 34% of the studies included radiological investigations. Sixteen studies provided clear definitions for discharge criteria. Time of follow-up (5 - 28 days) was reported in 10 studies. Operative time was the most commonly used outcome measure. The mean length of stay for non-complicated appendicitis was 1.3 days, and 6.26 days for complicated appendicitis. Most of the studies concluded that the accuracy of a clinical pathway for appendicitis diagnosis can be achieved by assessing the incidence of a normal appendix. The mean cost for patient care was $4874.14 (SAR 18,278.03). Conclusion: There was no standardized definition for appendicitis clinical pathway components. Studies suggested that establishing a clinical pathway for appendicitis improves the outcome and minimizes the cost.

关键词： Acute Appendicitis Pathway Cost Patient Care

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Multiple scales method for analyzing a forced damped rotational pendulum oscillatorwithgallows

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Communications in Theoretical Physics 2024年第5期76卷 58-67页

作者： haifa A Alyousef Alvaro H Salas B M Alotaibi S A El-Tantawy Department of Physics College of SciencePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh 11671Saudi Arabia Department of Mathematics and Statistics Universidad Nacional de ColombiaFIZMAKO Research GroupColombia Department of Physics Faculty of SciencePort Said UniversityPort Said 42521Egypt Research Center for Physics(RCP) Department of PhysicsFaculty of Science and ArtsAl-MikhwahAl-Baha UniversityAl-Baha 1988Saudi Arabia

This study reports the analytical solution for a generalized rotational pendulum system with gallows and periodic excited *** multiple scales method(MSM)is applied to solve the proposed *** types of rotational pendulum oscillators are studied and talked about in *** include the forced damped rotating pendulum oscillator with gallows,the damped standard simple pendulum oscillator,and the damped rotating pendulum oscillator without *** MSM first-order approximations for all the cases mentioned are derived in *** obtained results are illustrated with concrete numerical *** first-order MSM approximations are compared to the fourth-order Runge-Kutta(RK4)numerical ***,the maximum error is estimated for the first-order approximations obtained through the MSM,compared to the numerical approximations obtained by the RK4 ***,we conducted a comparative analysis of the outcomes obtained by the used method(MSM)and He-MSM to ascertain their respective levels of *** proposed method can be applied to analyze many strong nonlinear oscillatory equations.

关键词： rotational pendulum system multiple scales method approximate solution damped oscillations forced pendulum with gallows he-multiple scales method

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Comparative analysis of jet and underlying event properties across various models as a function of charged particle multiplicity at 7 TeV

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Chinese Physics C 2024年第9期48卷 122-129页

作者： Maryam Waqar haifa I.Alrebdi Muhammad Waqas K.S.Al-mugren Muhammad Ajaz Department of Physics Abdul Wali Khan University Mardan Department of Physics College of Science Princess Nourah bint Abdulrahman University School of Nuclear Science and Technology University of Chinese Academy of Sciences

In this study,a comprehensive analysis of jets and underlying events as a function of charged particle multiplicity in proton-proton（pp） collisions at a center-of-mass energy of s1/2=7 TeV is *** Monte Carlo（MC） event generators,including Pythia8.308,EPOS 1.99,EPOSLHC,EPOS4Hydro,and EPOS4noHydro,are employed to predict particle *** predictions from these models are compared with experimental data from the CMS *** charged particles are categorized into those associated with underlying events and those linked to jets,and the analysis is restricted to charged particles with |η| 0.25 GeV/*** comparing the MC predictions with CMS data,we find that EPOS4Hydro,EPOSLHC,and Pythia8 consistently reproduce the experimental results for all charged particles,underlying events,intrajets,and leading charged *** charged jet rates with ***> 5 GeV/c,EPOS4Hydroand Pythia8 perform exceptionally *** the case of charged jet rates with ***→30 GeV/c,EPOSLHC reproduces satisfactorily good results,whereas EPOS4 Hydro exhibits good agreement with the data at higher charged particle multiplicities compared to the other *** can be attributed to the conversion of energy into flow when "Hydro=on" leading to an increase in *** EPOSLHC model describes the data better owing to the new collective flow effects,correlated flow treatment,and parameterization compared to EPOS ***,the examination of the jet pTspectrum and normalized charged pTdensity reveals that EPOS4Hydro,EPOS4noHydro, and EPOSLHC exhibit good agreement with the experimental results,whereas Pythia8 and EPOS 1.99 do not perform as well owing to the lack of correlated flow treatment.

关键词： charged particle multiplicity jets Monte Carlo models underlying event

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Multiplicity dependence of the freezeout parameters in high energy hadron-hadron collisions

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Chinese Physics C 2024年第5期48卷 124-133页

作者： Muhammad Ajaz Majid Shehzad Muhammad Waqas haifa I.Alrebdi Mohammad Ayaz Ahmad Antalov Jagnandan Shawn Jagnandan Murad Badshah Jalal Hasan Baker Abdul Mosawir Quraishi Department of Physics Abdul Wali Khan University MardanMardan 23200Pakistan School of Mathematics Physics and Optoelectronic EngineeringHubei University of Automotive TechnologyShiyan 442002China Department of Physics College of SciencePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh 11671Saudi Arabia Department of Mathematics Physics and StatisticsFaculty of Natural SciencesUniversity of Guyana101110 GeorgetownGuyananSouth America Department of Physics Faculty of ScienceUniversity of TabukTabukKingdom of Saudi Arabia Department of Electrical Engineering College of EngineeringQassim UniversityUnaizahSaudi Arabia

We examined the transverse momentum(pT)spectra of various identified particles,encompassing both light-flavored and strange hadrons(π++π−,K++K−,p+p¯,ϕ,K0s,Λ+Λ¯,Ξ−+Ξ¯+,andΩ−+Ω¯+),across different multiplicity classes in proton-proton collisions(p-p)at a center-of-mass energy of s√=7 *** the Tsallis and Hagedorn models,parameters relevant to the bulk properties of nuclear matter were *** models exhibit good agreement with experimental *** our analyses,we observed a consistent decrease in the effective temperature(T)for the Tsallis model and the kinetic or thermal freeze-out temperature(T0)for the Hagedorn model,as we transitioned from higher multiplicity(class-I)to lower multiplicity(class-X).This trend is attributed to the diminished energy transfer in higher multiplicity ***,we observed that the transverse flow velocity(βT)experiences a decline from class-I to *** normalization constant,which represents the multiplicity of produced particles,was observed to decrease as we moved toward higher multiplicity *** the effective and kinetic freeze-out temperatures,as well as the transverse flow velocity,show a mild dependency on multiplicity for lighter particles,this dependency becomes more pronounced for heavier *** multiplicity parameter for heavier particles was observed to be smaller than that of lighter particles,indicating a greater abundance of lighter hadrons compared to heavier *** particle species were observed to undergo decoupling from the fireball at distinct temperatures:lighter particles exhibit lower temperatures,while heavier ones show higher temperatures,thereby supporting the concept of multiple freeze-out ***,we identified a positive correlation between the kinetic freeze-out temperature and transverse flow velocity,a scenario where particles experience stronger collective motion at a higher freeze-out *** reason for this positive correlation is th

关键词： multiplicity dependence collective properties thermal energy

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我国大理石瓷砖市场的发展前景探讨

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陶瓷 2024年第9期 9-11,47页

作者：黄海发广东简一(集团)陶瓷有限公司广东佛山528041

笔者综合分析了我国大理石瓷砖市场的发展现状、技术进步以及环境因素对市场的影响,探讨了市场所面临的问题与挑战,并提出了相应的建议,最后展望了未来发展趋势。

关键词：大理石瓷砖技术进步发展前景

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浅析我国大理石陶瓷砖烧结防污技术

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陶瓷 2024年第8期 9-11页

作者：黄海发广东简一(集团)陶瓷有限公司广东佛山528000

大理石陶瓷砖作为一种高档建筑装饰材料,广泛应用于室内地面和墙面装饰。由于大理石陶瓷砖表面的微孔和毛细孔结构容易吸附污垢和液体,导致砖面污染难以清洁,因此,研究大理石陶瓷砖烧结防污技术具有重要的理论和实际意义。笔者通过阐述... 详细信息

大理石陶瓷砖作为一种高档建筑装饰材料,广泛应用于室内地面和墙面装饰。由于大理石陶瓷砖表面的微孔和毛细孔结构容易吸附污垢和液体,导致砖面污染难以清洁,因此,研究大理石陶瓷砖烧结防污技术具有重要的理论和实际意义。笔者通过阐述大理石陶瓷砖烧结防污技术的的特点以及存在的问题,分析了烧结防污技术对大理石陶瓷砖的影响、大理石陶瓷砖防污效果的评估、大理石陶瓷砖烧结防污技术数据,展望了大理石陶瓷砖烧结防污技术的应用,促进了建筑行业的可持续发展。

关键词：大理石陶瓷砖烧结防污技术研究与分析

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富氢碳循环氧气高炉碳减排能力及工业实证

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炼铁 2024年第3期43卷 1-5页

作者：许海法朱仁良毛晓明中国宝武集团中央研究院上海200126

基于高炉工艺的低碳工艺技术,中国宝武自主开发了富氢碳循环氧气高炉(HyCROF)新工艺,旨在通过碳循环来实现碳化学能的完全利用,同时使用氢替代碳还原和电替代碳加热,从而达到大幅度碳减排的目标。为了验证HyCROF工艺技术理念的可行性和... 详细信息

基于高炉工艺的低碳工艺技术,中国宝武自主开发了富氢碳循环氧气高炉(HyCROF)新工艺,旨在通过碳循环来实现碳化学能的完全利用,同时使用氢替代碳还原和电替代碳加热,从而达到大幅度碳减排的目标。为了验证HyCROF工艺技术理念的可行性和碳减排效果,在已有的430m高炉基础上,通过改造建设了工业规模级HyCROF试验平台,并持续开展了大量的工业实证研究。研究结果表明:①HyCROF工艺安全、稳定、顺行、高效,抗波动能力强,可大幅降低固体燃料消耗;②HyCROF工艺碳减排效果显著,依靠碳循环时,固体燃料消耗可下降30%,碳素比也下降了30%,再结合富氢,固体燃料消耗和碳素比可下降约37%。

关键词：氧气高炉富氢碳循环低碳炼铁碳减排 HyCROF

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华数JR603型机器人正逆运动学仿真分析

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济源职业技术学院学报 2024年第1期23卷 52-57页

作者：李小伟赵海发济源职业技术学院机电工程学院河南济源459000 济源职业技术学院汽车工程学院河南济源459000 济源职业技术学院河南省工业机器人智能交互与控制工程技术研究中心河南济源459000

以华数JR603型机器人为研究对象,从分析刚体在空间的位置和姿态入手,配置机器人坐标系,采用齐次坐标变换D-H参数法,构建了正逆运动学数学模型,运用机器人工具箱建立了机器人三维仿真模型,并进行了正逆运动学仿真分析。仿真结果表明关节... 详细信息

以华数JR603型机器人为研究对象,从分析刚体在空间的位置和姿态入手,配置机器人坐标系,采用齐次坐标变换D-H参数法,构建了正逆运动学数学模型,运用机器人工具箱建立了机器人三维仿真模型,并进行了正逆运动学仿真分析。仿真结果表明关节变量和假设关节变量相同,证明了正逆运动学求解方法的正确性和合理性,为机器人后期的使用和开展科学研究提供一种有用的分析手段和理论支持。

关键词：机器人数学模型三维仿真模型运动学

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企业ESG信息披露、分析师关注与企业声誉

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渭南师范学院学报 2024年第4期39卷 73-84页

作者：吴日中陈海发湖南工业大学经济与贸易学院湖南株洲412007

选取2010—2022年沪深A股上市公司数据,实证检验企业ESG信息披露、分析师关注与企业声誉之间的关系。研究结论表明,企业ESG信息披露能够显著提升企业声誉。机制研究表明,分析师关注在企业ESG信息披露与企业声誉之间存在部分中介效应。... 详细信息

选取2010—2022年沪深A股上市公司数据,实证检验企业ESG信息披露、分析师关注与企业声誉之间的关系。研究结论表明,企业ESG信息披露能够显著提升企业声誉。机制研究表明,分析师关注在企业ESG信息披露与企业声誉之间存在部分中介效应。进一步研究发现,企业ESG信息披露对非国有企业、委托“四大”审计和东部地区企业的声誉提升作用更加显著。

关键词： ESG信息披露企业声誉分析师关注机制研究

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针刺疗法与运动疗法的联用——以疼痛康复为例

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中国针灸 2024年第8期44卷 876-880页

作者：代表乔海法王强杨晓航王渊陕西中医药大学针灸推拿学院咸阳712046 陕西省针药结合重点实验室咸阳712046 陕西省中医药重点实验室咸阳712046 陕西中医药大学医学技术学院

探讨针刺疗法与运动疗法联用在疼痛康复中的作用机制及临床应用特点。针刺疗法和运动疗法镇痛具有多靶点、多维度的特点,总结其作用机制及二者联用的协同作用,探讨在肌骨疼痛、内脏痛以及术后疼痛等方面二者联用的现状及临床特点,以期... 详细信息

探讨针刺疗法与运动疗法联用在疼痛康复中的作用机制及临床应用特点。针刺疗法和运动疗法镇痛具有多靶点、多维度的特点,总结其作用机制及二者联用的协同作用,探讨在肌骨疼痛、内脏痛以及术后疼痛等方面二者联用的现状及临床特点,以期为临床疼痛康复方案的选择提供一定的参考。

关键词：疼痛康复针刺疗法运动疗法针灸康复

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