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Fracture sealing performance of granular lost circulation materials at elevated temperature:A theoretical and coupled CFD-DEM simulation study

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Petroleum Science 2024年第1期21卷 567-581页

作者： Chong Lin Qi-Cong Xu Lie-Xiang Han Gao Li Hai He Hong-Ling Zhou ji-ping She CCDC Drilling&Production Technology Research Institute Guanghan618300SichuanChina State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Southwest Petroleum UniversityChengdu610500SichuanChina College of Materials Science and Engineering Chongqing UniversityChongqing400044China State Key Lab of Oil and Gas Reservoir Geology and Exploitation(Chengdu University of Technology) Chengdu610059SichuanChina College of Energy Chengdu University of TechnologyChengdu610059SichuanChina

Lost circulation is a common downhole problem of drilling in geothermal and high-temperature,high-pressure(HTHP)*** circulation material(LCM)is a regular preventive and remedial measure for lost ***,conventional LCMs seem ineffective in high-temperature *** may be due to the changes in the mechanical properties of LCMs and their sealing performance under high-temperature *** understand how high temperature affects the fracture sealing performance of LCMs,we developed a coupled computational fluid dynamics-discrete element method(CFD-DEM)model to simulate the behavior of granular LCMs in *** summarized the literature on the effects of high temperature on the mechanical properties of LCMs and the rheological properties of drilling *** conducted sensitivity analyses to investigate how changing LCM slurry properties affected the fracture sealing efficiency at increasing *** results show that high temperature reduces the size,strength,and friction coefficient of LCMs as well as the drilling fluid ***,softer,and less frictional LCM particles have lower bridging probability and slower bridging *** particles tend to form dual-particle bridges rather than single-particle *** result in a deeper,tighter,but unstable sealing *** drilling fluid viscosity leads to faster and shallower sealing zones.

关键词： Geothermal well drilling HTHP formationLost circulation material CFD-DEM Fracture sealing

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Design and application of copper/lithium composite anodes for advanced lithium metal batteries

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Rare Metals 2024年第3期43卷 942-970页

作者： Bin Zhang ji-ping Ma Yang Zhao Tong Li jin-Lin Yang Zhan-Ling Zhang Shi-Zhong Wei Guang-Min Zhou School of Materials Science and Engineering Henan University of Science and TechnologyLuoyang 471003China Shenzhen Geim Graphene Center Tsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen 518055China School of Physical and Mathematical Sciences Nanyang Technological UniversitySingapore 637371Singapore Shenzhen Geim Graphene Center Tsinghua-Berkeley Shenzhen InstituteTsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen 518055China

Lithium(Li)is a promising candidate for nextgeneration battery anode due to its high theoretical specific capacity and low reduction ***,safety issues derived from the uncontrolled growth of Li dendrite and huge volume change of Li hinder its practical application.C onstructing dendrite-free composite Li anodes can significantly alleviate the above ***(Cu)-based materials have bee n widely used as substrates of the composite electrodes due to their chemical stability,excellent conductivity,and good mechanical ***/lithium(Cu/Li)composite anodes significantly regulate the local current density and decrease Li nucleation overp otential,realizing the uniform and dendrite-free Li *** this review,Cu/Li composite methods including electrodeposition,melting infusion,and mechanical rolling are systematically summarized and ***,design strategies of Cu-based current collectors for high performance Cu/Li composite anodes are *** challenges and future development for Cu/Li composite anodes are presented and *** hope that this review can provide a comprehensive understanding of Cu/Li composite methods of the latest development of Li metal anode and stimulate more research in the future.

关键词： Lithium metal batteries Cu/Li composite anode Electrodeposition Thermal melting infusion Mechanical rolling

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Clinical practice guideline for acupuncture and moxibustion: Female urinary incontinence

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Journal of Integrative Medicine 2024年第3期22卷 258-269页

作者： Chao Yang Shan-ze Wang Sheng Chen Shuo Du Guan-qun Wang Wei Guo Xiao-long Xie Bi-hui Peng Shi-hao Du ji-ping Zhao Department of Acupuncture and Moxibustion Dongzhimen HospitalBeijing University of Chinese MedicineBeijing 100700China Department of Acupuncture and Moxibustion Guangdong provincial hospital of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina Shanghai Ninth People’s Hospital Shanghai Jiao Tong University School of MedicineShanghai 200011China Institute of Acupuncture and Moxibustion China Academy of Chinese Medical SciencesBeijing 100700China

Urinary incontinence (UI) is a common problem *** has a major impact on physical and social activities and interpersonal *** is common in women,but is under-reported and *** affects the quality of life of female patients *** and moxibustion have been proposed as potentially effective interventions for female ***,for the benefit of acupuncture practitioners around the world,the World Federation of Acupuncture-moxibustion Societies initiated a project to develop a clinical practice guideline (CPG) for the use of acupuncture and moxibustion to treat female *** CPG was developed according to the Grading of Recommendations Assessment,Development,and Evaluation (GRADE) methodology,referring to the principles of the World Health Organization Handbook for Guideline *** the development of the CPG,the guideline development group (GDG) played an important *** clinical questions,recommendations and therapeutic protocols were all formulated by GDG using the modified Delphi *** CPG contains ten recommendations about the use of acupuncture and moxibustion interventions for ten clinical questions,which include nine conditional recommendations for the intervention and one conditional recommendation for either the intervention or the *** CPG also provides one protocol for conventional filiform needle therapy,two therapy protocols for deep needling stimulation on lumbosacral acupoints,and four moxibustion therapy protocols,based on the protocols presented in randomized controlled trials reviewed by the GDG.

关键词： Acupuncture Clinical practice guideline Female urinary incontinence Moxibustion GRADE

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Clinical practice guideline for acupuncture and moxibustion:Allergic rhinitis

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Journal of Integrative Medicine 2024年第3期22卷 245-257页

作者： Shi-hao Du Sheng Chen Shan-ze Wang Guan-qun Wang Shuo Du Wei Guo Xiao-long Xie Bi-hui Peng Chao Yang ji-ping Zhao Institute of Acupuncture and Moxibustion China Academy of Chinese Medical SciencesBeijing 100700China Department of Acupuncture and Moxibustion Dongzhimen HospitalBeijing University of Chinese MedicineBeijing 100700China Department of Acupuncture and Moxibustion Guangdong Provincial Hospital of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina Department of Traditional Chinese Medicine Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai 200011China

Acupuncture is one of the most effective complementary therapies for allergic rhinitis(AR)and has been recommended by several clinical practice guidelines(CPGs)for ***,these CPGs mentioned acupuncture without making recommendations for clinical implementation and therapeutic protocols,therefore limiting the applicability of acupuncture therapies for ***,for the benefit of acupuncture practitioners around the world,the World Federation of Acupuncture-moxibustion Societies have initiated a project to develop the CPG for the use of acupuncture and moxibustion to treat *** CPG was developed according to the Grading of Recommendations Assessment,Development,and Evaluation(GRADE)methodology,referring to the principles of the World Health Organization Handbook for Guideline *** the development of the CPG,the guideline development group(GDG)played an important *** clinical questions,recommendations and therapeutic protocols were all formulated by the GDG using the modified Delphi *** CPG contains recommendations for 15 clinical questions about the use of acupuncture and moxibustion *** include one strong recommendation for the intervention based on high-quality evidence,three conditional recommendations for either the intervention or standard care,and 11 conditional recommendations for the intervention based on very low quality of *** CPG also provides one filiform needle acupuncture protocol and five moxibustion protocols extracted based on the protocols presented in randomized controlled trials reviewed by the GDG.

关键词： Clinical practice guideline Allergic rhinitis Acupuncture Moxibustion GRADE

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Predictive value of diaphragm ultrasound for mechanical ventilation outcome in patients with acute exacerbation of chronic obstructive pulmonary disease

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World Journal of Clinical Cases 2024年第26期12卷 5893-5900页

作者： Lei-Lei Qu Wen-ping Zhao ji-ping Li Wei Zhang The First Department of Respiratory and Critical Care Medical Center The First People's Hospital of Baiyin CityBaiyin 730900Gansu ProvinceChina Department of Nursing The First People's Hospital of Baiyin CityBaiyin 730900Gansu ProvinceChina

BACKGROUND Acute exacerbation of chronic obstructive pulmonary disease(AECOPD)is often combined with respiratory failure,which increases the patient's morbidity and *** ultrasound(DUS)has developed rapidly in the field of critical care in recent *** with DUS monitoring diaphragm-related rapid shallow breathing index have demonstrated important results in guiding intensive care unit patients out of the *** prediction of the indications for withdrawal of non-invasive ventilator and early evaluation of patients to avoid or reduce disease progression are very *** To explore the predictive value of DUS indexes for non-invasive ventilation outcome in patients with *** Ninety-four patients with AECOPD who received mechanical ventilation in our hospital from January 2022 to December 2023 were retrospectively analyzed,and they were divided into a successful ventilation group(68 cases)and a failed ventilation group(26 cases)according to the outcome of *** clinical data of patients with successful and failed noninvasive ventilation were compared,and the independent predictors of noninvasive ventilation outcomes in AECOPD patients were identified by multivariate logistic regression *** There were no significant differences in gender,age,body mass index,complications,systolic pressure,heart rate,mean arterial pressure,respiratory rate,oxygen saturation,partial pressure of oxygen,oxygenation index,or time of inspiration between patients with successful and failed mechanical ventilation(P>0.05).The patients with successful noninvasive ventilation had shorter hospital stays and lower partial pressure of carbon dioxide(PaCO_(2))than those with failed treatment,while potential of hydrogen(pH),diaphragm thickening fraction(DTF),diaphragm activity,and diaphragm movement time were significantly higher than those with failed treatment(P<0.05).pH[odds ratio(OR)=0.005,P<0.05],PaCO_(2)(OR=0.430,P<0.05),and

关键词： Diaphragm ultrasound Mechanical ventilation Acute exacerbation of chronic obstructive pulmonary disease Predictive value Diaphragm thickening fraction Diaphragm activity

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Bone marrow-derived mesenchymal stem cell-derived exosomeloaded miR-129-5p targets high-mobility group box 1 attenuates neurological-impairment after diabetic cerebral hemorrhage

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World Journal of Diabetes 2024年第9期15卷 1979-2001页

作者： Yue-Ying Wang Ke Li jia-Jun Wang Wei Hua Qi Liu Yu-Lan Sun ji-ping Qi Yue-jia Song Department of Pathology The First Affiliated Hospital of Harbin Medical UniversityHarbin 150001Heilongjiang ProvinceChina Department of Endocrinology The First Affiliated Hospital of Harbin Medical UniversityHarbin 150001Heilongjiang ProvinceChina

BACKGROUND Diabetic intracerebral hemorrhage(ICH)is a serious complication of *** role and mechanism of bone marrow mesenchymal stem cell(BMSC)-derived exosomes(BMSC-exo)in neuroinflammation post-ICH in patients with diabetes are *** this study,we investigated the regulation of BMSC-exo on hyperglycemia-induced *** To study the mechanism of BMSC-exo on nerve function damage after diabetes complicated with cerebral *** BMSC-exo were isolated from mouse BMSC *** was followed by transfection with microRNA-129-5p(miR-129-5p).BMSC-exo or miR-129-5poverexpressing BMSC-exo were intravitreally injected into a diabetes mouse model with ICH for in vivo analyses and were cocultured with high glucoseaffected BV2 cells for in vitro *** dual luciferase test and RNA immunoprecipitation test verified the targeted binding relationship between miR-129-5p and high-mobility group box 1(HMGB1).Quantitative polymerase chain reaction,western blotting,and enzyme-linked immunosorbent assay were conducted to assess the levels of some inflammation factors,such as HMGB1,interleukin 6,interleukin 1β,toll-like receptor 4,and tumor necrosis factorα.Brain water content,neural function deficit score,and Evans blue were used to measure the neural function of *** Our findings indicated that BMSC-exo can promote neuroinflammation and functional *** chip analysis of BMSC-exo identified miR-129-5p as the specific microRNA with a protective role in *** of miR-129-5p in BMSC-exo reduced the inflammatory response and neurological impairment in comorbid diabetes and ICH ***,we found that miR-129-5p had a targeted binding relationship with HMGB1 *** We demonstrated that BMSC-exo can reduce the inflammatory response after ICH with diabetes,thereby improving the neurological function of the brain.

关键词： Bone marrow mesenchymal stem cells Exosome Diabetic cerebral hemorrhage Neuroinflammation MicroRNA-129-5p High mobility group box 1

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Comprehensive analysis of the gut microbiome and posttranslational modifications elucidates the route involved in microbiota-host interactions

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Zoological Research 2024年第1期45卷 95-107页

作者： Hai-Yang Wang Lan-Xiang Liu Xue-Yi Chen Yang-Dong Zhang Wen-Xia Li Wen-Wen Li Lian Wang Xiao-Long Mo Hong Wei ping ji Peng Xie NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China College of Stomatology and Affiliated Stomatological Hospital of Chongqing Medical University Chongqing 401147China Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences Chongqing 401147China Department of Neurology Yongchuan Hospital of Chongqing Medical UniversityChongqing 402160China Department of Pathology Faculty of Basic MedicineChongqing Medical UniversityChongqing 400016China Department of Neurology First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Yu-Yue Pathology Scientific Research Center Chongqing 401329China

The gut microbiome interacts with the host to maintain body homeostasis,with gut microbial dysbiosis implicated in many ***,the underlying mechanisms of gut microbe regulation of host behavior and brain functions remain *** study aimed to elucidate the influence of gut microbiota on brain functions via post-translational modification mechanisms in the presence or absence of bacteria without any *** conducted succinylome analysis of hippocampal proteins in germ-free(GF)and specific pathogen-free(SPF)mice and metagenomic analysis of feces from SPF *** results were integrated with previously reported hippocampal acetylome and phosphorylome data from the same batch of *** bioinformatics analyses revealed 584 succinylation sites on 455 proteins,including 54 up-regulated succinylation sites on 91 proteins and 99 down-regulated sites on 51 proteins in the GF mice compared to the SPF *** constructed a panoramic map of gut microbiota-regulated succinylation,acetylation,and phosphorylation,and identified cross-talk and relative independence between the different types of post-translational modifications in modulating complicated intracellular *** correlation analysis indicated that 13 taxa,predominantly belonging to the Bacteroidetes phylum,were correlated with the biological functions of post-translational *** correlations between these taxa and succinylation and negative correlations between these taxa and acetylation were identified in the modulation of intracellular *** study highlights the hippocampal physiological changes induced by the absence of gut microbiota,and proteomic quantification of succinylation,phosphorylation,and acetylation,contributing to our understanding of the role of the gut microbiome in brain function and behavioral phenotypes.

关键词： Gut microbiota Hippocampal protein Post-translational modifications Succinylation Acetylation Phosphorylation

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医学人工智能社会实验项目伦理审查与管理思考

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中国医学伦理学 2024年第2期37卷 210-213页

作者：祝丹娜吉萍深圳北京大学香港科技大学医学中心临床研究所广东深圳518036

医学人工智能社会实验旨在更全面了解医学人工智能技术和产品对社会带来的综合影响,具有应用场景广泛、研究类型和方法复杂、评价指标多维、学科交叉、主体多元等特点,为确保医学人工智能社会实验伦理审查质量,迫切需要政府主管部门、... 详细信息

医学人工智能社会实验旨在更全面了解医学人工智能技术和产品对社会带来的综合影响,具有应用场景广泛、研究类型和方法复杂、评价指标多维、学科交叉、主体多元等特点,为确保医学人工智能社会实验伦理审查质量,迫切需要政府主管部门、研究发起方、医疗卫生机构、高等院校、科研机构、企业及研究团队等相关方各负其责,建立医学人工智能社会实验的技术产品准入机制,提高伦理审查委员会伦理审查能力,并构建全周期监管体系。

关键词：医学人工智能社会实验伦理审查

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论中国式现代化的历史逻辑

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湘潭大学学报（哲学社会科学版） 2024年第2期48卷 132-140页

作者：王继平许锋湘潭大学历史系湖南湘潭411105

中国式现代化是中国共产党和中国人民长期实践探索的结果。近代中国早期现代化运动证明了当时的各种社会政治力量不能够推进中国的现代化;中国共产党领导的新民主主义革命为中国式现代化创造了根本的社会条件;社会主义革命和建设实践奠... 详细信息

中国式现代化是中国共产党和中国人民长期实践探索的结果。近代中国早期现代化运动证明了当时的各种社会政治力量不能够推进中国的现代化;中国共产党领导的新民主主义革命为中国式现代化创造了根本的社会条件;社会主义革命和建设实践奠定了中国式现代化的根本政治前提、宝贵经验、理论准备和物质基础;改革开放和社会主义建设新时期的实践为中国式现代化提供了充满新的活力的体制保证和快速发展的物质条件;进入新时代,中国共产党不断实现理论和实践上的创新突破,创立了习近平新时代中国特色社会主义思想,实现了马克思主义中国化时代化新的飞跃,为中国式现代化提供了根本遵循,成功推进和拓展了中国式现代化。

关键词：中国共产党中国式现代化历史逻辑实践逻辑

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基于“专创融合”的数字信号处理课程教学研究

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吉林农业科技学院学报 2024年第1期33卷 110-115页

作者：纪萍皖江工学院电气信息工程学院马鞍山243031

数字信号处理是电子信息类专业本科阶段重要的专业课程,在培养学生的专业实践应用能力方面具有重要作用。为了充分调动学生的学习潜力,本课程以学生为中心、以“专创融合”为导向,通过项目驱动,激发学生学习热情;通过探究式教学法,发掘... 详细信息

数字信号处理是电子信息类专业本科阶段重要的专业课程,在培养学生的专业实践应用能力方面具有重要作用。为了充分调动学生的学习潜力,本课程以学生为中心、以“专创融合”为导向,通过项目驱动,激发学生学习热情;通过探究式教学法,发掘学生学习潜能;通过虚拟仿真,化繁为简,抽象理论形象化,降低了理论学习难度。并进一步采用多元化课程评价方式提供教学保障。该模式在皖江工学院通信工程专业进行了实践,结果表明:通过“专创融合”课程教学改革,学生的学习热情增加,学用结合、成果显著,优秀率提高了6.6%,不及格率下降了11%,学生对课程的反馈100%满意。以期为应用型本科高校数字信号处理课程教学提供借鉴。

关键词： “专创融合” 数字信号处理项目驱动探究学习虚拟仿真

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