检索结果-南通市图书馆

TightRope弹性固定联合下胫腓韧带功能性全修复治疗下胫腓联合损伤

在线全文

学校读者我要写书评

暂无评论

中国修复重建外科杂志 2023年第8期37卷 964-969页

作者：薛阳赵永杰邓明明付炳金尹刚刘颖孙广超滨州医学院附属医院足踝外科山东滨州256603

目的研究TightRope弹性固定联合下胫腓韧带功能性全修复治疗下胫腓联合损伤的临床疗效。方法回顾性分析2020年1月—2022年1月收治且符合选择标准的34例下胫腓联合损伤患者临床资料,按照手术方式分为改良组(采用TightRope弹性固定联合下... 详细信息

目的研究TightRope弹性固定联合下胫腓韧带功能性全修复治疗下胫腓联合损伤的临床疗效。方法回顾性分析2020年1月—2022年1月收治且符合选择标准的34例下胫腓联合损伤患者临床资料,按照手术方式分为改良组(采用TightRope弹性固定联合下胫腓韧带功能性全修复)和对照组(采用下胫腓螺钉固定修复),每组17例。两组患者年龄、性别、身体质量指数、骨折分型等基线资料比较差异均无统计学意义(P>0.05)。记录两组患者手术时间、术中出血量及并发症发生情况;术后采用美国矫形足踝协会(AOFAS)评分、踝关节跖屈和背伸活动度评价患者踝关节功能恢复情况;末次随访时进行患者满意度调查。结果两组患者均获随访,随访时间8~20个月,中位时间13个月。改良组手术时间及术中出血量均显著多于对照组(P0.05)。末次随访时改良组AOFAS评分及踝关节跖屈、背伸活动度均明显优于对照组(P<0.05)。改良组和对照组患者满意度分别为94.1%和82.4%,差异有统计学意义(P<0.05)。结论Tight-Rope弹性固定联合下胫腓韧带功能性全修复方法治疗下胫腓联合损伤,固定强度足够,与传统螺钉固定相比可取得更好临床疗效。

关键词：弹性固定 Tightrope 下胫腓关节损伤下胫腓韧带修复

在线全文

学校读者我要写书评

暂无评论

全孔深大孔径插接花管瓦斯抽采技术

煤矿安全 2018年第10期49卷 69-71,75页

作者：邓明明淮南矿业集团朱集东煤矿安徽淮南232087

为了解决顶板钻孔无法做到全程下套管护孔和瓦斯抽采通道堵塞问题,研究出全孔深大孔径插接花管抽采瓦斯技术,充分利用ZDY-3200S型全液压钻机结构特点,采用全程下套管封孔技术,使套管可以与钻孔的轨迹保持一致,能够下到孔深的90%以上,实... 详细信息

为了解决顶板钻孔无法做到全程下套管护孔和瓦斯抽采通道堵塞问题,研究出全孔深大孔径插接花管抽采瓦斯技术,充分利用ZDY-3200S型全液压钻机结构特点,采用全程下套管封孔技术,使套管可以与钻孔的轨迹保持一致,能够下到孔深的90%以上,实现"管到位"。大孔径插接花管大大增加了瓦斯流通的通道,有效解决了顶板钻孔在抽采过程中的堵塞现象,提高了套管的透气性,增加了瓦斯抽采流量,延长了钻孔有效抽采时间,实现瓦斯连续抽采。结果表明:该技术实现全孔深下套管连续抽采瓦斯,瓦斯抽采浓度基本不变,单孔抽采混合流量由1.4m^3/min提高到5 m^3/min,增加了3.5倍,有效地提高了顶板钻孔的抽采效果。

关键词：全孔深连续抽采大孔径插接花管瓦斯流通通道安全下套管工艺顶板钻孔

Surface plasmon decorated InGaO deep-UV photodetector array for image sensing and water quality monitoring via highly effective hot electron excitation and interfacial injection

在线全文

学校读者我要写书评

暂无评论

Science China Technological Sciences 2024年第8期67卷 2449-2460页

作者： SHU LinCong SHA ShuLin XI ZhaoYing LI Lei YAO SuHao ZHANG JiaHan JI XueQiang ZHANG ShaoHui BIAN Ang JIANG mingming GUO YuFeng TANG WeiHua LIU Zeng Innovation Center of Gallium Oxide Semiconductor (IC-GAO) College of Integrated Circuit Science and EngineeringNanjing University of Posts and Telecommunications College of Science MIIT Key Laboratory of Aerospace Information Materials and Physics Nanjing University of Aeronautics and Astronautics School of Electronic Information Engineering Inner Mongolia University Collaborative Innovation Center of Advanced Microstructures School of Electronic Science and Engineering Nanjing University School of Integrated Circuits Beijing University of Posts and Telecommunications Institute of Biological and Medical Engineering Guangdong Academy of Sciences School of Science Jiangsu University of Science and Technology

In addition to the plasmon-mediated resonant coupling mechanism, the excitation of hot electron induced by plasmon presents a promising path for developing high-performance optoelectronic devices tailored for various applications. This study introduces a sophisticated design for a solar-blind ultraviolet（UV） detector array using linear In-doped Ga2O3（InGaO） modulated by platinum（Pt） nanoparticles（PtNPs）. The construction of this array involves depositing a thin film of Ga2O3through the plasmonenhanced chemical vapor deposition（PECVD） technique. Subsequently, PtNPs were synthesized via radio-frequency magnetron sputtering and annealing process. The performance of these highly uniform arrays is significantly enhanced owing to the generation of high-energy hot electrons. This process is facilitated by non-radiative decay processes induced by PtNPs. Notably,the array achieves maximum responsivity（R） of 353 mA/W, external quantum efficiency（EQE） of 173%, detectivity（D*） of approximately 1013Jones, and photoconductive gain of 1.58. In addition, the standard deviation for photocurrent stays below17% for more than 80% of the array units within the array. Subsequently, the application of this array extends to photon detection in the deep-UV（DUV） range. This includes critical areas such as imaging sensing and water quality monitoring. By leveraging surface plasmon coupling, the array achieves high-performance DUV photon detection. This approach enables a broad spectrum of practical applications, underscoring the significant potential of this technology for the advancement of DUV detectors.

关键词： InGaO PECVD surface plasmon solar-blind UV photodetector array optoelectronic applications

同方期刊数据库

Research on the Upper Limit of Accuracy for Predicting Theoretical Tandem Mass Spectrometry

在线全文

学校读者我要写书评

暂无评论

Journal of Computer and Communications 2024年第3期12卷 184-195页

作者： Changjiu He Xiaoyu Wang mingming Lyu Xinye Bian School of Computer Science and Technology Shandong University of Technology Zibo China

In recent years, numerous theoretical tandem mass spectrometry prediction methods have been proposed, yet a systematic study and evaluation of their theoretical accuracy limits have not been conducted. If the accuracy of current methods approaches this limit, further exploration of new prediction techniques may become redundant. Conversely, a need for more precise prediction methods or models may be indicated. In this study, we have experimentally analyzed the limits of accuracy at different numbers of ions and parameters using repeated spectral pairs and integrating various similarity metrics. Results show significant achievements in accuracy for backbone ion methods with room for improvement. In contrast, full-spectrum prediction methods exhibit greater potential relative to the theoretical accuracy limit. Additionally, findings highlight the significant impact of normalized collision energy and instrument type on prediction accuracy, underscoring the importance of considering these factors in future theoretical tandem mass spectrometry predictions.

关键词： Tandem Mass Spectrometry Spectral Prediction Theoretical Limit

Bioinspired mineral-in-shell nanoarchitectonics:Functional empowerment of mineral precursors for guiding intradentinal mineralization

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nano Research 2024年第5期17卷 4338-4349页

作者： Xiaoran Zheng Yang Liu Mingjing Li Yuyan Li Wanshan Gao Rongmin Qiu Jiaqi Xing Jiaojiao Yang Yantao Chen Xinyuan Xu mingming Ding Jun Luo Jianshu Li College of Polymer Science and Engineering State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu 610065China College of Stomatology Hospital of Stomatology Guangxi Medical UniversityGuangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and ReconstructionGuangxi Clinical Research Center for Craniofacial DeformityGuangxi Key Laboratory of Oral and Maxillofacial Surgery Disease TreatmentGuangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious DiseasesNanning 530021China State Key Laboratory of Oral Diseases West China Hospital of StomatologySichuan UniversityChengdu 610041China Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation College of Chemistry and Environmental EngineeringShenzhen UniversityShenzhen 518060China Med-X Center for Material Sichuan UniversityChengdu 610041China

Effective mineralization of biological structures poses a significant challenge in hard tissue engineering as it necessitates overcoming geometric complexities and multistep biomineralization *** this regard,we propose“mineral-in-shell nanoarchitectonics”,inspired by the nanostructure of matrix vesicles,which can influence multiple mineralization *** nanostructural design empowers mineral precursors with tailorable properties through encapsulating amorphous calcium phosphate within a multifunctional tannic acid(TA)and silk fibroin(SF)*** bioinspired nanosystem facilitates efficient recruitment of mineral precursors throughout the dentin structures,followed by large-scale intradentinal mineralization both in vitro and in vivo,which provides persistent protection against external *** simulations combined with experimental studies attribute the success of intradentinal mineralization to the TA-SF nanoshell,which exhibits a strong affinity for the dentin structure,stabilizing amorphous precursors and thereby facilitating concomitant mineral ***,this bioinspired mineral-in-shell nanoarchitectonics shows a promising prospect for hard tissue repair and serves as a blueprint for next-generation biomineralization-associated materials.

关键词： mineral-in-shell nanohybrids self-assembly biomineralization dentinal tubule occlusion dental hypersensitivity

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

有机无机复合锂离子电池固态电解质专利分析

储能科学与技术 2024年第3期13卷 1096-1105页

作者：孙明明国家知识产权局专利局专利审查协作天津中心天津300304

随着新能源汽车产业的飞速发展,传统液态电解质已经不能满足市场需求,固态电解质因其安全和能量密度优势已经成为未来发展的理想方向。然而由于无机电解质界面性能差和聚合物电解质材料离子电导率低的固有缺陷,严重阻碍了其实际应用,兼... 详细信息

随着新能源汽车产业的飞速发展,传统液态电解质已经不能满足市场需求,固态电解质因其安全和能量密度优势已经成为未来发展的理想方向。然而由于无机电解质界面性能差和聚合物电解质材料离子电导率低的固有缺陷,严重阻碍了其实际应用,兼具无机电解质离子电导率高、力学性能好以及有机电解质柔韧性好且不与锂金属反应的复合体系固态电解质已经成为当前研究热点。为了解有机无机复合锂离子电池固态电解质发展态势,本文基于智慧芽Patsnap专利数据库检索结果,总结了全球及中国专利申请数量变化趋势和法律状态,对比了专利主要来源国和主要申请人情况,梳理了技术手段和技术效果之间的关系,重点从有机、无机、添加剂等材料组成,物理共混、三维、多层等复合方式以及特定制备工艺三个维度总结分析了专利技术发展情况。研究发现,我国在有机无机复合锂离子电池固态电解质专利布局方面具有数量优势,但目前申请人较为分散,且技术保护更多限于材料本身,建议加强合作交流,以及对上下游产业的整体技术保护,技术发展方向方面,高无机相用量的三维复合体系具有更佳的综合性能,但从产业化角度,聚合物填充无机颗粒体系可能发展得更快。

关键词：锂离子电池有机无机复合固态电解质专利

同方期刊数据库

Research on the Assessment System of Computational Mechanics Courses Based on the TOPSIS Entropy Weight Model

在线全文

学校读者我要写书评

暂无评论

Journal of Contemporary Educational Research 2024年第6期8卷 166-182页

作者： Huijun Ning Ruhuan Yu Qianshu Wang mingming Lin Institute of Science and Technology Development Henan University of Science and TechnologyLuoyang 471000Henan ProvinceChina School of Civil Engineering and Architecture Henan University of Science and TechnologyLuoyang 471000Henan ProvinceChina International Education College Henan University of Science and TechnologyLuoyang 471000Henan ProvinceChina

This paper takes the assessment and evaluation of computational mechanics course as the background,and constructs a diversified course evaluation system that is student-centered and integrates both quantitative and qualitative evaluation *** system not only pays attention to students’practical operation and theoretical knowledge mastery but also puts special emphasis on the cultivation of students’innovative *** order to realize a comprehensive and objective evaluation,the assessment and evaluation method of the entropy weight model combining TOPSIS(Technique for Order Preference by Similarity to Ideal Solution)multi-attribute decision analysis and entropy weight theory is adopted,and its validity and practicability are verified through example *** method can not only comprehensively and objectively evaluate students’learning outcomes,but also provide a scientific decision-making basis for curriculum teaching *** implementation of this diversified course evaluation system can better reflect the comprehensive ability of students and promote the continuous improvement of teaching quality.

关键词： TOPSIS entropy weight model Computational mechanics Course assessment and evaluation system Assessment model

Activation of NRF2 by celastrol increases antioxidant functions and prevents the progression of osteoarthritis in mice

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Journal of Natural Medicines 2024年第2期22卷 137-145页

作者： LIU mingming GUO Jiatian ZHAO Jing LI Hongye FENG Xiaoxiao LIU Haojun ZHANG Hao JIA Xuejun WEI Rushuai LI Fang CHEN Chong HOU Mingzhuang LV Nanning XU Haiyan Department of human anatomy Xuzhou Medical UniversityXuzhou 221004China Department of Orthopedic Surgery The Affiliated Lianyungang Clinical College of Xuzhou Medical University(The Second People’s Hospital of Lianyungang)Lianyungang 222003China Department of Orthopaedics The First Afliated Hospital of Soochow UniversitySoochow UniversitySuzhou 215006China Institute of Hematology Xuzhou Medical UniversityXuzhou 221004China

Excessive oxidative stress impairs cartilage matrix metabolism balance,significantly contributing to osteoarthritis(OA)***(CSL),a drug derived from Tripterygium wilfordii,has recognized applications in the treatment of cancer and immune system disorders,yet its antioxidative stress mechanisms in OA remain *** study aimed to substantiate CSL’s chondroprotective effects and unravel its underlying *** investigated CSL’s impact on chondrocytes under both normal and inflammatory *** vitro,CSL mitigated interleukin(IL)-1β-induced activation of proteinases and promoted cartilage extracellular matrix(ECM)*** vivo,intra-articular injection of CSL ameliorated cartilage degeneration and mitigated subchondral bone lesions in OA ***,it was found that inhibiting nuclear factor erythroid 2-related factor 2(NRF2)abrogated CSL-mediated antioxidative functions and exacerbated the progression of *** study is the first to elucidate the role of CSL in the treatment of OA through the activation of NRF2,offering a novel therapeutic avenue for arthritis therapy.

关键词： Osteoarthritis Celastrol Articular cartilage Extracellular matrix NRF2

两种术式治疗儿童柔韧性平足合并痛性副舟骨疗效比较

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

中国修复重建外科杂志 2023年第10期37卷 1225-1229页

作者：邓明明孙广超杜瑞付炳金赵永杰尹刚刘颖滨州医学院附属医院足踝外科山东滨州256603

目的比较分析距下关节制动术(subtalar arthroereisis,STA)联合改良Kidner术与单纯STA治疗儿童柔韧性平足合并痛性副舟骨的临床疗效。方法回顾分析2018年8月—2021年8月收治且符合选择标准的33例柔韧性平足合并痛性副舟骨患儿临床资... 详细信息

目的比较分析距下关节制动术(subtalar arthroereisis,STA)联合改良Kidner术与单纯STA治疗儿童柔韧性平足合并痛性副舟骨的临床疗效。方法回顾分析2018年8月—2021年8月收治且符合选择标准的33例柔韧性平足合并痛性副舟骨患儿临床资料。根据手术方式分为联合组(17例,行STA联合改良Kidner术)和对照组(16例,单纯行STA)。两组患儿性别、年龄、侧别、病程及术前疼痛视觉模拟评分(VAS)、美国矫形足踝协会(AOFAS)踝与后足评分、距骨-第1跖骨角(talus-first metatarsal angle,T1MT)、距骨-第2跖骨角(talus-second metatarsal angle,T2MT)、距舟覆盖角(talonavicular coverage angle,TCA)、距骨第1跖骨角(Meary角)、跟骨倾斜角(Pitch角)、跟骨外翻角(heel valgus angle,HV)等基线资料比较差异均无统计学意义(P>0.05)。记录两组手术时间、切口长度、术中出血量、术中透视次数及围术期并发症;定期复查患足正侧位及轴位X线片并测量T1MT、T2MT、TCA、Meary角、Pitch角、HV;手术前后采用VAS评分、AOFAS踝与后足评分评价疼痛及功能恢复情况。结果两组患儿均顺利完成手术,无血管、神经、肌腱损伤等手术并发症发生。对照组手术时间、切口长度、术中出血量及术中透视次数均明显优于联合组(P0.05);但两组间手术前后差值比较差异均无统计学意义(P>0.05)。结论两种术式均能有效治疗儿童柔韧性平足合并痛性副舟骨,单纯STA具有微创优势,而STA联合改良Kidner术临床疗效更佳。

关键词：柔韧性平足副舟骨距下关节制动术改良Kidner术儿童