检索结果-南通市图书馆

Radial nerve recovery following closed nailing of humeral shaft fractures without radial nerve exploration: A retrospective study

引用

World Journal of Clinical Cases 2021年第27期9卷 8044-8050页

作者： Kuei-Lin Yeh chen-kun liaw Tai-Yin Wu Chung-Pei chen Department of Orthopedics Shin Kong Wu-Ho Su Memorial HospitalTaipei City 111Taiwan Department of Orthopedics School of MedicineCollege of MedicineTaipei Medical UniversityTaipei City 11031Taiwan Department of Orthopedics Shuang Ho HospitalTaipei Medical UniversityNew Taipei City 23561Taiwan Graduate Institute of Biomedical Optomechatronics College of Biomedical EngineeringResearch Center of Biomedical DeviceTaipei Medical UniversityTaipei City 11301Taiwan Department of Family Medicine Zhongxing BranchTaipei City HospitalTaipei City 10341Taiwan Institute of Epidemiology and Preventive Medicine National Taiwan UniversityTaipei City 10055Taiwan National Taipei University of Nursing and Health Science Taipei City 11219Taiwan Department of Orthopedics Cathay General HospitalNew Taipei City 221Taiwan

BACKGROUND Radial nerve palsy due to humeral shaft fracture is the most common peripheral nerve injury associated with long bone *** antegrade nailing surgical technique is becoming popular for the fixation of these fractures with minimal *** analyzed nerve recovery in patients with humeral shaft fracture and radial nerve palsy treated with humeral nail fixation without nerve *** To assess the radial nerve recovery rate and time from humeral shaft fracture with surgical treatment using close *** We retrospectively collected data of patients who underwent undergone surgical nail fixation for humeral shaft fractures between October 1,2016,and March 31,***,we analyzed the primary or secondary radial nerve palsy recovery rate and radial nerve motor function recovery *** The study included 70 patients who underwent surgical treatment for closed-or Gustilo type I open humeral shaft fractures using a nail fixation technique without radial nerve *** patients suffered from primary(n=5)and secondary(n=5)radial nerve palsy.A 100%radial nerve recovery rate was *** mean recovery time was 4.3 *** The study results indicate full recovery of radial nerve palsies from humeral shaft fracture using close nailing *** need not be concerned about the occurrence of permanent nerve palsies.

关键词： Humeral shaft fracture Radial nerve palsy Close nailing fixation Nerve exploration

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Outcomes of different minimally invasive surgical treatments for vertebral compression fractures:An observational study

引用

World Journal of Clinical Cases 2021年第31期9卷 9509-9519页

作者： Kuei-Lin Yeh Szu-Hsien Wu chen-kun liaw Sheng-Mou Hou Shing-Sheng Wu Department of Orthopedics Shin Kong Wu Ho-Su Memorial HospitalTaipei 11101Taiwan Department of Physical Medicine and Rehabilitation Taipei Veterans General HospitalTaipei 11217Taiwan Department of Orthopedics School of MedicineCollege of MedicineTaipei Medical UniversityTaipei 11031Taiwan Department of Orthopedics Shuang Ho HospitalTaipei Medical UniversityNew Taipei 23561Taiwan Graduate Institute of Biomedical Optomechatronics College of Biomedical EngineeringResearch Center of Biomedical DeviceTaipei Medical UniversityTaipei 11301Taiwan

BACKGROUND Osteoporosis with vertebral compression fractures is increasingly common in the elderly *** augmentation is one of the effective surgical treatments for these ***,there are several different types of cement augmentation *** studies have compared the safety and efficacy of different cement augmentation types for the treatment of such fractures;thus,we retrospectively compared vertebroplasty,balloon kyphoplasty,and kyphoplasty with SpineJack or an intravertebral expandable *** To compare the postoperative safety and efficacy of each surgical intervention in treating vertebral compression *** We retrospectively analyzed 354 patients with acute vertebral compression fractures,defined as signal changes in the T1 weighted magnetic resonance imaging,and randomly divided the patients into five *** visual analog scale scores for pain,kyphotic angle,average body height,rate of cement leakage,and occurrence of adjacent vertebral compression fractures were followed for 1 ***-way analysis of variance,the post hoc Bonferroni test,and Fisher exact probability test were used for statistical *** All pain scores significantly improved 12 mo postoperatively;however,there was no significant difference between the groups(P=0.325).Kyphoplasty with SpineJack significantly reduced the kyphotic angle(P=0.028)and restored the height of the vertebral body(P=0.02).The rate of adjacent compression fractures was the highest in the vertebroplasty group,with a statistically significant difference according to the Fisher exact probability test(P=0.02).The treatment with the lowest cement leakage rate cannot be identified because of the small sample size;however,kyphoplasty with SpineJack,an IVEP,and vesselplasty resulted in lower rates of cement leakage than balloon kyphoplasty and *** Kyphoplasty with SpineJack has good outcomes in kyphotic angle reduction and body height restora

关键词： Vertebral compression fracture Vertebroplasty Kyphoplasty Osteoporosis Observational study

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nanoscale fluctuation of stacking fault energy strengthens multi-principal element alloys

引用

Journal of Materials Science & Technology 2023年第27期158卷 218-225页

作者： Zongrui Pei Markus Eisenbach Peter K.liaw Mingwei chen New York University New York 10012USA Oak Ridge National Laboratory Oak RidgeTennessee 37831USA Department of Materials Science and Engineering The University of TennesseeKnoxvilleTN 37996USA Department of Materials Science and Engineering Johns Hopkins UniversityBaltimoreMaryland 21218USA Engineering and Hopkins Extreme Materials Institute Johns Hopkins UniversityBaltimoreMaryland 21218USA

Chemical randomness and the associated energy fluctuation are essential features of multi-principal ele-ment alloys(MPEAs).Due to these features,nanoscale stacking fault energy(SFE)fluctuation is a natural and independent contribution to strengthening ***,existing models for conventional alloys(i.e.,alloys with one principal element)cannot be applied to *** extreme values of SFEs required by such models are unknown for MPEAs,which need to calculate the nanoscale volume relevant to the SFE *** the present work,we developed an analytic model to evaluate the strengthening ef-fect through the SFE fluctuation,profuse in *** model has no adjustable parameters,and all parameters can be determined from experiments and ab initio *** model explains available experimental observations and provides insightful guidance for designing new MPEAs based on the SFE *** generally applies to MPEAs in random states and with chemical short-range order.

关键词： Nanoscale energy fluctuation Staking fault energy Chemical short-range order Multi-principal element alloy Mechanism

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chemical short-range-order induced multiscale strengthening in refractory medium entropy alloys

引用

Acta Mechanica Sinica 2024年第6期40卷 41-49页

作者： Weizheng Lu Yang chen Jia Li Peter K.liaw Qihong Fang State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body College of Mechanical and Vehicle EngineeringHunan UniversityChangsha410082China Department of Materials Science and Engineering The University of TennesseeKnoxvilleTN37996USA

High/medium entropy alloys(H/MEAs)are generally possible to exhibit chemical short-range order(SRO).However,the complex role of SRO on mechanical properties from nano-scale to meso-scale is still challenging so ***,we study the strengthening mechanism and deformation behavior in a model body-centered-cubic HfNbTa MEA by using atomic-scale molecular dynamics,micro-scale dislocation dynamics,and meso-scale crystal plasticity finite *** SRO inhibits dislocation nucleation at the atomic scale,improving the flow *** SRO-induced ultrastrong local stress fluctuation greatly improves the micro-scale dislocation-based strength by the significant dislocation forest ***,the Ta-rich locally ordered structure leads to an obvious heterogeneous strain and stress partitioning,which forms a strong strain gradient in the adjacent grain interiors and contributes to the strong back-stress-induced strain hardening.

关键词： High/medium entropy alloys Multiscale strengthening Chemical short-range order

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Impact of battery cell imbalance on electric vehicle range

引用

Green Energy and Intelligent Transportation 2022年第3期1卷 73-80页

作者： Jun chen Zhaodong Zhou Ziwei Zhou Xia Wang Boryann liaw Department of Electrical and Computer Engineering Oakland UniversityRochesterMI 48309USA Department of Mechanical Engineering Oakland UniversityRochesterMI 48309USA Idaho National Laboratory Idaho FallsID 83415USA

Due to manufacturing variation,battery cells often possess heterogeneous characteristics,leading to battery state-of-charge variation in *** the lowest cell state-of-charge determines the useful life of battery pack,such variation can negatively impact the battery performance and electric vehicles *** research has been focused on control design to mitigate cell ***,it is yet unclear how much impacts the cell imbalance can have on electric vehicle *** paper closes this knowledge gap by using a simulation environment consisting of real-world driving speed data,vehicle longitudinal control,propulsion and vehicle dynamics,and cell level battery *** particular,each battery cell is modeled as an equivalent circuit model,and variations among cell parameters are introduced to assess their impact on electric vehicles range and to identify the most influential parameter *** results and analysis can be used to assist balancing control design and to benchmark control performance.

关键词： Electric vehicles Battery range Cel imbalance Simulation

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Microstructure evolution and deformation mechanism of amorphous/crystalline high-entropy-alloy composites

引用

Journal of Materials Science & Technology 2020年第19期54卷 14-19页

作者： Jia Li Haotian chen Hui Feng Qihong Fang Yong Liu Feng Liu Hong Wu Peter K liaw State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body Hunan UniversityChangsha 410082China State Key Laboratory of Powder Metallurgy Central South UniversityChangsha 410083China Department of Materials Science and Engineering The University of TennesseeKnoxvilleTN 37996USA

High-entropy amorphous alloys present high hardness,but low tensile ***,deformation behavior of the amorphous/crystalline Fe Co Cr Ni high-entropy alloy(HEA)composite prepared by the previous experiment is investigated using atomic *** result shows the partial dislocations in the crystal HEA layer,and the formation of shear bands in the amorphous HEA layer occurs after *** strength of the amorphous/crystalline HEA composite reduces with increasing the thickness of the amorphous layer,agreeing with the previous *** coupled interaction between the crystal plasticity and amorphous plasticity in amorphous/crystalline HEA composites results in a more homogeneous redistribution of plastic deformation to cause interface hardening,due to the complex stress field in the amorphous *** current findings provide the insight into the deformation behavior of the amorphous/crystalline HEA composite at the nanoscale,which are useful for optimizing the structure of the HEA composite with high strength and good plasticity.

关键词： High-entropy alloy Amorphous/crystalline composite Deformation behavior Strengthening mechanism Molecular dynamics

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Structure design and property of multiple-basis-element(MBE)alloys flexible films

引用

Nano Research 2022年第6期15卷 4837-4844页

作者： Hao Huang Peter K.liaw Yong Zhang Qinghai Provincial Engineering Research Center of High Performance Light Metal Alloys and Forming Qinghai UniversityXining 810016China State Key Laboratory of Advanced Metals and Materials University of Science and Technology BeijingBeijing 100083China Department of Materials Science and Engineering The University of TennesseeKnoxvilleTN 37996-2100USA Shunde Graduate School University of Science and Technology BeijingFoshan 528399China

A controlled wrinkled structure is a simple and effective approach to achieve unique properties and has been widely used in flexible *** this study,we reported a substrate prestrain method for fabricating wrinkle-structured Zr52Ti34Nb14 multiplebasis-element(MBE)alloy films as biocompatible *** in the film thickness and substrate prestraining enabled a precise control of the amplitude and wavelength of the wrinkled structures,ranging from micrometers to ***,owing to the flexibility of the wrinkled structures,the wrinkle-structure pattern could be adjusted by simply relaxing or further stretching of the substrate,leading to dynamically tunable transmittance and wetting *** result not only reveals Zr52Ti34Nb14 MBE alloy films as a potential flexible material,but also provides a new structural design approach for other MBE alloy systems.

关键词： multiple-basis-element alloy thin films microstructures optical transmission wetting behavior

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Ultrastrong and ductile BCC high-entropy alloys with low-density via dislocation regulation and nanoprecipitates

引用

Journal of Materials Science & Technology 2022年第15期110卷 109-116页

作者： Xuehui Yan Peter K.liaw Yong Zhang Beijing Advanced Innovation Center of Materials Genome Engineering State Key Laboratory for Advanced Metals and MaterialsUniversity of Science and Technology BeijingBeijing 100083China Department of Materials Science and Engineering The University of TennesseeKnoxvilleTN 37996United States of America

The high strength is a typical advantage of body-centered-cubic high-entropy alloys(BCC–HEAs).However,brittleness and weak strain-hardening ability are still their Achilles'***,extraordinary strength together with good tensile ductility are achieved in(Zr_(0.5)Ti_(0.35)Nb_(0.15))_(100-x)Al_(x) alloys(at.%,x=10 and 20)at room *** low densities of less than 6 g/cm^(3)are exhibited in these *** nanoprecipitates and diversifying dislocation motions are the keys to achieving such salient *** is worth noting that the tensile strength of 1.8 GPa in(Zr_(0.5)Ti_(0.35)Nb_(0.15))_(80)Al_(20)alloy is a record-high value known in reported BCC–HEAs,as well as a tensile strain over 8%.Furthermore,the maximum strain of~25%in(Zr_(0.5)Ti_(0.35)Nb_(0.15))_(90)Al_(10)alloy can challenge existing limit value,and is accompanied with a tensile strength of 1.2 *** current work does not only provide novel ultra-strong and tough structural materials with low density,but also sheds new light on designing BCC–HEAs with attractive performances and strain-hardening ability.

关键词： High-entropy alloys Mechanical properties Dislocation Nanoprecipitates Strain hardening

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A trend based investment decision approach using clustering and heuristic algorithm

引用

Science China(Information Sciences) 2014年第9期57卷 204-217页

作者： WU ChungMin CHOU ShengChun liaw HorngTwu Graduate Institute of Services and Technology Management National Taipei University of Technology Department of Information Management Shih Hsin University

This paper proposes a stock price trend clustering and trend investment decision model by using a genetic algorithm to search for optimal solutions and the best investment strategies for different stock price *** new price trend clustering model identifies three types of stock price movements:uptrends,sideways trends,and ***,trends discovered through stock price movements or technical indicator graphs are typically subjective and *** paper takes daily stock prices and trading volume data from the China Shanghai Stock Exchange Composite Index(SSECI)from January 2,1997 to August31,2012,to examine the performance of the proposed trend clustering *** proposed model is also compared to other popular stock market investment strategies to verify its *** result shows that the proposed trend clustering model correctly identifies three different trends in the stock ***,the trend investment strategy model developed by using genetic algorithm methodology performs better than other investment strategies,namely,Granville’s rule,the KD indicator strategy,the buys and holds strategy,and GMA rules,in both bull and bear market *** results prove the proposed new model to be a stable and valid investment strategy.

关键词： clustering genetic algorithms stock trend investment strategy

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Gain Flattened Raman Fiber Amplifier Using Parameter Optimization and DCF Fiber

引用

光学学报 2003年第S1期23卷 493-494页

作者： Shien-Kuei liaw Jy-Wang liaw Department of Electronic Engineering Taiwan University of Science and Technology No. 43 Section 4 Keelung Rd. Taipei 106 TaiwanAdvanced Research Division Chung-Hua Telecommunication Laboratory Yang-Mei 326 Taiwan

We investigate two configurations of Raman fiber amplifier in the 1530-1570 nm region. The gain spectrum variation is decreased from 8.31 dB to 2.48 dB when appropriately adjust the individual two pumps and optical fi... 详细信息

关键词： DCF on be as nm than Gain Flattened Raman Fiber Amplifier Using Parameter Optimization and DCF Fiber RFA that

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：