检索结果-南通市图书馆

Effectivenes. and time-cours. adaptation of res.s.ance training vs. plyometric training in prepubertal s.ccer players

引用

Journal of s.ort and h.alth.s.ience 2020年第6期9卷 620-627页

作者： Yas.ine Negra h.lmi Ch.abene Th.mas.s.öggl Meh.éz h.mmami Moh.med s.uh.iel Ch.lly youn.s h.ch.na Res.arch.Unit“s.ort Performance Health&Society”Higher Institute of Sport and Physical Education of Ksar SaidTunis 2009Tunisia Tunis.an Res.arch.Laboratory“s.orts.Performance Optimization” National Center of Medicine and Science in Sports(CNMSS)Tunis 1003Tunisia Department of s.ort s.ience and Kines.ology University of SalzburgSalzburg 5400Austria h.gh.r Ins.itute of s.orts.and Ph.s.cal Education Manouba UniversityTunis 2009Tunisia

Purpos.:Th.s.s.udy aimed to as.es. th. effectivenes. and time cours. for improvements.in explos.ve actions.th.ough.res.s.ance training(RT)*** training(PT)in prepubertal s.ccer ***:Th.rty-four male s.bjects.were as.igned to:a control group(n=11);an RT group(5 regular s.ccer training s.s.ions.per week,n=12);a PT group(3 s.ccer training s.s.ions.and 2 RT s.s.ions.per week,n=11).Th. outcome meas.res.included tes.s.for th. as.es.ment of mus.le s.rength.e.g.,1 repetition maximum h.lf-s.uat tes.),jump ability(e.g.,countermovement jump,s.uat jump,s.anding long jump,and multiple 5 bounds.tes.),linear s.eed(e.g.,20m s.rint tes.),and ch.nge of direction(e.g.,Illinois.ch.nge of direction tes.).Res.lts.Th. RTG s.owed an improvement in th. h.lf-s.uat(△=13.2%;d=1.3,ph.reas.improvements.in th. 20-m s.rint(△=4.2%;d=1.1,ph.nge of direction(CoD)(△=3.8%;d=2.1,ps.△=5.1%;d=1.5,ps.anding long jump(△=7.2%;d=1.2,ps.uat jump(△=19.6%;d=1.5,ps.owed improvements.in CoD(△=2.1%;d=1.3,ps.anding long jump(△=9.3%;d=1.1,ps.uat jump(△=16.7%;d=1.4,ph.reas.improvements.in th. 20-m s.rint(△=4.1%;d=1.3,ps.△=7.4%;d=2.4,ps.s.owed improvements.in all s.rint,CoD,and jump tes.s.ph.lf-s.uat performance,for wh.ch.improvement was.only s.own with.n th. RTG(ps.on:RT and PT conducted in combination with.regular s.ccer training are s.fe and feas.ble interventions.for prepubertal s.ccer *** addition,th.s. interventions.were s.own to be effective training tools.to improve explos.ve actions.with.different time cours.s.of improvements.wh.ch.manifes.ed earlier in th. RTG th.n in th. *** outcomes.may h.lp coach.s.and fitnes. trainers.s.t out clear and concis.

关键词： Ch.nge of direction Jump performances Plyometric training Res.s.ance training s.ccer Time cours.

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

s.rong enh.ncement of magnetic order from bulk to s.retch.d monolayer Fes. as.h.nd’s.metals

引用

npj Computational Materials 2020年第1期6卷 448-453页

作者： Ch.ng-youn Moon Advanced Ins.rumentation Ins.itute Korea Research Institute of Standards and ScienceYuseongDaejeonRepublic of Korea

Des.ite of th. importance of magnetis. in pos.ible relation to oth.r key properties.in iron-bas.d s.perconductors.its.unders.anding is.s.ill far from complete es.ecially for Fes. *** one h.nd,th. origin of th. abs.nce of magnetic orders.in bulk Fes. is.yet to be *** th. oth.r h.nd,it is.s.ill not clear h.w clos. monolayer Fes. on s.TiO_(3),with.th. h.gh.s. trans.tion temperature among iron-bas.d s.perconductors.is.to a magnetic *** we inves.igate magnetic properties.of bulk and monolayer Fes. us.ng dynamical mean-field th.ory combined with.dens.ty-functional *** find th.t s.ppres.ed magnetic order in bulk Fes. is.as.ociated with.th. reduction of interorbital ch.rge fluctuations.an effect of h.nd’s.coupling,enh.nced by a larger crys.al-field ***,s.atial is.lation of Fe atoms.in expanded monolayer Fes. leads.into a s.rong magnetic order,wh.ch.is.completely des.royed by a s.all electron *** work provides.a compreh.ns.ve unders.anding of th. magnetic order in iron-bas.d s.perconductors.and oth.r general multi-orbital correlated s.s.ems.as.h.nd’s.metals.

关键词： th.ory monolayer orbital

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

Proactive eviction of flow entry for s.N bas.d on h.dden Markov model

引用

Frontiers.of Computer s.ience 2020年第4期14卷 107-116页

作者： Gan h.ANG h.e Yong youn College of s.ftware Sungkyunkwan UniversitySuwon440746Korea

With.th. fas. development of s.ftware defined network(s.N),numerous.res.arch.s.h.ve been conducted for maximizing th. performance of ***,flow tables.are utilized in OpenFlows.witch.for *** to th. s.ace limitation of flow table and s.itch.capacity,various.is.ues.exis. in dealing with.th. *** exis.ing s.h.mes.typically employ reactive approach.s.ch.th.t th. s.lection of evicted entries.occurs.wh.n timeout or table mis. *** th.s.paper a proactive approach.is.propos.d bas.d on th. prediction of th. probability of match.ng of th. *** eviction occurs.proactively wh.n th. utilization of flow table exceeds.a th.es.old,and th. flow entry of th. lowes. match.ng probability is.*** match.ng probability is.es.imated us.ng h.dden Markov model(h.M).Computers.mulation reveals.th.t it s.gnificantly enh.nces.th. prediction accuracy and decreas.s.th. number of table mis.es.compared to th. s.andard h.rd timeout s.h.me and Flow mas.er s.h.me.

关键词： s.N OpenFlow flow entry eviction h.M match.ng probability

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

Th. Climate Variabilities.of Air Temperature Around th. Korean Penins.la

引用

Advances.in Atmos.h.ric s.iences 2005年第4期22卷 575-584页

作者： Yong-h.on youn Meteorological Res.arch.Ins.itute/Korean Meteorological Adminis.ration Seoul Korea

In th.s.s.udy, ch.nges.in climatological conditions.around th. KoreanPenins.la are es.imated quantitatively us.ng various.types.of h.gh.order s.atis.ical analys.s. Th.temperature data collected from Inch.on s.ation h.ve been analyzed for th. as.es.ment of th. climatevariation. According to our analys.s. th. climate ch.nges.obs.rved over th. Korean Penins.la forth. las. century are s.milar to th. global obs.rvational data in many res.ects. Firs. of all, th.warming trend [+1.5℃ (100 yr)^(-1)] and th. overall evolving pattern th.ough.ut th. century axequite s.milar to each.oth.r. Th. temperature ch.nge in th. Korean Penins.la is.about two to th.eetimes.larger th.n th.t of th. global s.ale wh.ch.may partially be as.ribed to th. influence ofurbanization at mid and h.gh.latitudes. In th.s.work, a new Winter Mons.on Index (WMI) is.s.gges.edbas.d on th. European continental s.ale circulation index (EU1) pattern. Our WMI is.defined as.th.normalized s.a level pres.ure (s.P) difference in th. winter period between th. centers.of th. Eas.s.a and wes. of Lake Baikal in s.beria, th. two eas.ern centers.of th. EU1 action patterns. A s.rongs.milarity is.found between th. time s.ries.of th. WMI and s.rface air temperature at Inch.on. Th.WMI h.s.decreas.d gradually s.nce th. 1920s.but h.s.s.ifted to a rapid increas.ng trend in th. las.two decades. it was.in fact accompanied by a weakening of th. s.berian h.gh.and a decreas.ng of th.north.rly during winter. Our findings.of th. clos. correlations.between th. s.rface air temperatureat Inch.on and th. WMI s.rongly indicate th.t our newly s.gges.ed index is.unique and can be us.d as.n efficient tool to predict climate variability in Korea.

关键词： winter mons.on index climate variability

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

Th.rmodynamic model for deoxidation of liquid s.eel cons.dering s.rong metal-oxygen interaction in th. quas.ch.mical model framework

引用

International Journal of Minerals.Metallurgy and Materials 2024年第5期31卷 988-1002页

作者： Yong-Min Ch. youn-Bae Kang Graduate Ins.itute of Ferrous.and Eco Materials.Tech.ology Pohang University of Science and TechnologyPohangKyungbuk37673Rep.of Korea N.EX.T h.b POSCO HoldingsPohangKyungbuk37673Rep.of Korea Department of Materials.s.ience and Engineering Pohang University of Science and TechnologyPohangKyungbuk37673Rep.of Korea

h.rein,a th.rmodynamic model aimed at des.ribing deoxidation equilibria in liquid s.eel was.*** model provides.explicit forms.of th. activity coefficient of s.lutes.in liquid s.eel,eliminating th. need for th. minimization of internal Gibbs.energy preliminarily wh.n s.lving deoxidation *** elimination of internal Gibbs.energy minimization is.particularly advantageous.during th. coupling of deoxidation equilibrium calculations.with.computationally intens.ve approach.s.s.ch.as.computational fluid *** model enables.efficient calculations.th.ough.direct embedment of th. explicit forms.of activity coefficient in th. computing *** propos.d th.rmodynamic model was.developed us.ng a quas.ch.mical approach.with.two key approximations.random mixing of metallic elements.Fe and oxidizing metal) and s.rong nonrandom pairing of metal and oxygen as.neares. *** th.s. approximations.th. quas.ch.mical approach.yielded th. activity coefficients.of s.lutes.as.explicit functions.of compos.tion and temperature with.ut requiring th. minimization of internal Gibbs.energy or th. coupling of s.parate *** model was.s.cces.fully applied in th. calculation of deoxidation equilibria of various.elements.Al,B,C,Ca,Ce,Cr,La,Mg,Mn,Nb,s.,Ti,V,and Zr).Th. limitations.of th. model aris.ng from th.s. as.umptions.were als. dis.us.ed.

关键词： deoxidation equilibria th.rmodynamics quas.ch.mical approach computational fluid 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

Bi-directional and concurrent proof of owners.ip for s.ronger s.orage s.rvices.with.de-duplication

引用

s.ience Ch.na(Information s.iences. 2018年第3期61卷 84-94页

作者： Taek-young youn Ku-young Ch.NG Electronics.and Telecommunications.Res.arch.Ins.itute

In s.orage s.rvice, data de-duplication is.a s.ecialized tech.ique for eliminating duplicate copies.of repeating data in s.orage. Es.ecially, client-s.de de-duplication h.s.more merits.th.n s.rver-s.de deduplication s.nce th.y can improve both.th. s.ace efficiency and th. communication bandwidth. For s.cure client-s.de de-duplication, we need a way to prove th. owners.ip of a file to be s.ored. In th. upload s.ep,th. s.rver s.ould verify th. owners.ip of a client to give th. righ. of th. file with.ut uploading it. On th. contrary, th. client als. want to verify th. retrievability for th. file s.nce h. will delete it from h.s.s.orage after protocol execution. Exis.ing proof of owners.ip tech.iques.h.ve been des.gned for s.rver's.need. In th.s.paper, we firs. point out th.t we need th. s.cond property in client's.view point, and give a very s.mple and practical s.lution wh.ch.can s.pport th. s.rver and th. client to prove th.t th.y h.ve th. s.me file. We firs. des.ribe a generic s.rategy wh.ch.can h.lp us.to cons.ruction a bi-directional and concurrent proof of owners.ip tech.ique from an ordinary proof of owners.ip tech.ique, and th.n give an efficient h.s.-bas.d s.h.me with.s.curity proof in th. random oracle model.

关键词： cloud s.orage s.cure de-duplication data out-s.urce proof of owners.ip bi-directional and concurrent proof

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

Probabilis.ic s.is.ic performance as.es.ment of lap-s.liced RC columns.retrofitted by s.eel wrapping jackets

引用

Earth.uake Engineering and Engineering Vibration 2016年第2期15卷 223-238页

作者： Euns.o Ch.i h.ejung youn Baik-s.on Ch. Department of Civil Engineering Hongik University Department of Civil Engineering CTRCInje University

In th.s.s.udy, th. s.is.ic fragility curves.of two reinforced concrete（RC） columns.th.t were lap-s.liced at th. bottom and retrofitted with.s.eel wrapping jackets.were generated. Th.ir s.is.ic performance was.probabilis.ically as.es.ed in comparis.n to th.t of lap-s.liced or continuous.reinforcement RC columns. Th.s.s.udy us.d two types.of s.eel wrapping jackets. a full jacket and a s.lit jacket. Analytical models.of th. four types.of columns.were developed bas.d on th. experimental res.lts.of th. columns.us.ng Open s.Es. wh.ch.is.effective in conducting nonlinear time h.s.ory analys.s. A s.ite of ten artificial ground motions. modified from recorded ground motions. was.us.d to perform nonlinear time h.s.ory analys.s.of th. analytical models.with.s.aling of th. peak ground acceleration from 0.1 g to 1.0 g in increments.of 0.1 g. Th. s.eel wrapping jackets.did not increas. th. medians.for yield（s.igh. damage s.ate） of th. lap-s.iced column and did not exceed th. corres.onding median of th. continuous.reinforcement column. h.wever, th. two s.eel jackets.increas.d th. medians.for failure by 1.872 and 2.017 times. res.ectively, and exceeded th. corres.onding median of th. continuous.reinforcement column by 11.8% and 20.5%, res.ectively.

关键词： columns.reinforcement reinforced exceed acceleration s.aling median as.es.ed s.lit probabilis.ic

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

Analytical analys.s.of pullout res.s.ance of th. h.draulic expans.on rockbolts.on a frictionally coupled model

引用

Journal of Mountain s.ience 2016年第12期13卷 2249-2259页

作者： s.jin KIM h.ejung youn Kyoungch.l KIM Department of Civil Engineering Hongik University R&D Center Kolon Global Corporation

Th.s.paper propos.s.an empirical formula to es.imate th. s.ear s.rength.of h.draulic expans.on *** field experimental res.lts.were obtained from eleven pullout tes.s.to evaluate th. res.lts.computed by th. propos.d *** was.found th.t s.ear res.s.ance of h.draulic expans.on rockbolts.s.gnificantly depends.on th. uniaxial compres.ive s.rength.and elas.ic modulus.of rock,with.h.gh.correlation coefficients.of 0.7651 and0.8587,*** developed formula enables.es.imation of th. maximum pullout load in an analytical proces. with.ut pullout tes.s.in th. ***,due to th. poor interlocking at th. initial pullout load,th. meas.red dis.lacements.were h.gh.r th.n th. es.imated *** reduce th. interlocking effects.between bolt and rock,we recommend preloading of 29.4 *** allows.reducing th. dis.ance between th. meas.red and es.imated dis.lacement and making two load-dis.lacement curves.practically identical with.marginal differences.of 1.1 to 1.5 mm at th. maximum pullout load.

关键词： Expans.on rockbolt Pullout res.s.ance Pullout load s.ear s.rength

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

Inves.igation on s.atic routing and res.urce as.ignment of elas.ic all-optical s.itch.d intra-datacenter networks

引用

s.ience Ch.na(Information s.iences. 2016年第10期59卷 60-75页

作者： Limei PENG Kiejin PARK Ch.n-h.un youn Department of Indus.rial Engineering Ajou University Department of Integrative s.s.ems.Engineering Ajou University Department of Electrical Engineering Korea Advanced Institute of Science and Technology

In th.s.paper, we explore th. is.ue of s.atic routing and s.ectrum/IT res.urce as.ignment(Rs.A)of elas.ic all-optical s.itch.d intra-datacenter networks.intra-DCNs. by propos.ng anycas.- and manycas.bas.d integer linear programming(ILP) models. Th. objective is.to jointly optimize th. DCN res.urces. i.e.,network trans.is.ion bandwidth.and IT res.urces. under different s.tuations. Firs., for given s.rvice-reques. matrices.with.unknown network trans.is.ion bandwidth.and IT res.urces. we propos. anycas. and manycas. ILP models.to minimize th. maximum numbers.of required network and IT res.urces.to accommodate all th. s.rvice reques.s. For anycas. Rs.A is.ue, we propos.d two different ILP models.th.t are bas.d on node-arc and link-path.meth.ds. res.ectively. Node-arc bas.d manycas. ILP model is.als. propos.d for th. firs. time to our knowledge. s.cond, for given network trans.is.ion bandwidth.and IT res.urces.and known s.rvicereques. matrices. we propos. node-arc bas.d anycas. ILP models.to maximize th. total number of s.cces.fully s.rved s.rvice reques.s. To evaluate th. efficiency of anycas. and manycas. models. all propos.d ILP models.are evaluated and compared with.unicas. ILP models. s.mulation res.lts.s.ow th.t anycas. and manycas. ILP models.perform much.better in efficiently us.ng DCN res.urces.and s.cces.fully accommodating more s.rvice reques.s.wh.n compared to unicas. ILP models.under th. s.me network conditions.

关键词： datacenter networks.DCNs. intra-DCN Rs.A ILP models anycas. manycas.

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

PopFlow:a novel flow management s.h.me for s.N s.itch.of multiple flow tables.bas.d on flow popularity

引用

Frontiers.of Computer s.ience 2020年第6期14卷 111-122页

作者： Ch.ng WANG Kyung Tae KIM h.e Yong youn College of Electrical and Computer Engineering Sungkyunkwan UniversitySuwon 16419Korea College of s.ftware Sungkyunkwan UniversitySuwon 16419Korea

Pipeline proces.ing is.applied to mutiple flow tables.MFT)in th. s.itch.of s.ftware-defined network(s.N)to increas. th. th.ough.ut of th. ***,th. proces.ing time of each.flow increas.s.as.th. s.ze or number of flow tables.gets.*** th.s.paper we propos. a novel approach.called PopFlow wh.re a table keeping popular flow entries.is.located up front in th. pipeline,and an expres. path.is.provided for th. flow match.ng th. table.A Markov model is.employed for th. s.lection of popular entries.cons.dering th. match.latency and match.frequency,and Queuing th.ory is.us.d to model th. flow proces.ing time of th. exis.ing MFT-bas.d s.h.mes.and th. propos.d *** s.mulation reveals.th.t th. propos.d s.h.me s.bs.antially reduces.th. flow proces.ing time compared to th. exis.ing s.h.mes.and th. diference gets.more s.gnificant as.th. flow arrival rate increas.s.

关键词： edge computing s.N pipeline proces.ing PopFlow match.frequency and latency markov model-bas.d prediction

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

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：