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简介：我们报导在与公司2激光制作的熊猫纤维摇长时期栅栏(PR-LPGs)的期刊。PR-LPGs很高完成与12个时期和3.5湩愠汬慩据?楷桴联合19dB的效率？

简介：Basedonourpreviouswork,thewinterseasurfacetemperature(SST)intheKuroshioExtension(KE)regionshowedsignificantvariabilityoverthepastcenturywithperiodsof~6abetween1930and1950and~10abetween1980and2009.HowtheactivityoftheAleutianLow(AL)inducesthisdual-periodvariabilityoverthetwodifferenttimespansisfurtherinvestigatedhere.Forthe~6aperiodicityduring1930–1950,negativewindstresscurl(WSC)anomaliesinthecentralsubtropicalPacificassociatedwithanintensifiedALgeneratepositiveseasurfaceheight(SSH)anomalies.Whenthesewind-inducedSSHanomaliespropagatewestwardstotheeastofTaiwan,Chinatwoyearslater,positivevelocityanomaliesappeararoundtheKuroshiototheeastofTaiwanandthenthemeanadvectionviathiscurrentofvelocityanomaliesleadstoastrengthenedKEjetandthusanincreaseintheKESSToneyearlater.Forthe~10aperiodicityduring1980–2009,anegativeNorthPacificOscillation-likedipoletakes2–3atodevelopintoasignificantpositiveNorthPacificOscillation-likedipole,andthisprocesscorrespondstothenorthwardshiftoftheAL.NegativeWSCanomaliesassociatedwiththisALactivityinthecentralNorthPacificareabletoinducethepositiveSSHanomalies.TheseoceanicsignalsthenpropagatewestwardintotheKEregionafter2–3a,favoringanorthwardshiftoftheKEjet,thusleadingtothewarmingoftheKESST.ThefeedbacksoftheKESSTanomalyontheALforcingarebothnegativeforthesetwoperiodicities.Theseresultssuggestthatthedual-periodKESSTvariabilitycanbegeneratedbythetwo-wayKE-SST-ALcoupling.

简介：Socialmediaandconsumerbehaviorareincreasinglyimportantinbusinessnowadays.Asanewformofadvertising,socialmediadofacilitatetheincreaseindemandandbringachallengetomanufactures.Whileresearchersdemonstratedthatinsufficientcapacitygeneratesthelossintheprocessofsales,anoppositeconclusionhasbeenobtainedthattheprofitislargerininsufficientcapacity.Thisstudyinvestigatesthissituationofamanufacturer.Wedevelopamultiperiodmodelofinsufficientcapacityconcerningwithsocialmediaandconsumerbehavior.Ancalculationofthemodelindicatesthatagreatchangeappearsinthedemandofeachperiod.Toensurethemaximumprofit,thecapacityofeachperiodiscomputed.Andtheprofitisalmost8timeslargerthanthatwedonotconsidersocialmediaandconsumerbehavior.Wediscusstheimplicationsofourfindingsforboththeoryandpractice.

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简介：为紧张和温度测量的一个光纤维传感器与纤维基于长时期纤维栅栏(LPFG)串联了布拉格栅栏(FBG)结构理论上并且试验性地被建议了并且认识到。有类似的敏感的二微观结构不能被用于的理论分析表演加倍参数测量。LPFG是由CO2激光的micromachined，并且FBG是由excimer激光的micromachined。为确认和比较，二FBG和一LPFG与三条传播山谷被串联，也就是在1536.3nm，在1551.2nm的LPFG山谷，和在1577.3nm的FBG2山谷的FBG1山谷。建议传感器的温度和紧张特征在4570椠歮愠獢牯敢獲愠敲映物瑳祬搠瑥牥業敮?桴潲杵?桰瑯慯潣獵楴?湡?灳'虪沟茲滀髷疇罐鏇V畳敲敭瑮?瑡琠敨猠浡?被测量硥楣慴楴湯?桷捩?敤潭獮牴瑡獥琠敨映慥楳楢楬祴漠?桴獩洠瑥潨d

简介：Thispaperdealswithadiscrete-timeGeo/Geo/1queueingsystemwithworkingbreakdownsinwhichcustomersarriveatthesysteminvariableinputratesaccordingtothestatesoftheserver.Theservermaybesubjecttobreakdownsatrandomwhenitisinoperation.Assoonastheserverfails,arepairprocessimmediatelybegins.Duringtherepairperiod,thedefectiveserverstillprovidesserviceforthewaitingcustomersatalowerservicerateratherthancompletelystoppingservice.Weanalyzethestabilityconditionfortheconsideredsystem.Usingtheprobabilitygeneratingfunctiontechnique,weobtaintheprobabilitygeneratingfunctionofthesteady-statequeuesizedistribution.Also,variousimportantperformancemeasuresarederivedexplicitly.Furthermore,somenumericalresultsareprovidedtocarryoutthesensitivityanalysissoastoillustratetheeffectofdifferentparametersonthesystemperformancemeasures.Finally,anoperatingcostfunctionisformulatedtomodelacomputersystemandtheparabolicmethodisemployedtonumericallyfindtheoptimumservicerateinworkingbreakdownperiod.

简介：授课对象：八年级学生指导老师：王兰英（陕西省西安市教育科学研究所中学英语教研员）陈瑞贞（陕西省西安市第七十五中学英语教研组组长）一、教学背景（一）教学内容教学内容为人教版新目标初中《英语》八年级（下）Unit1What’sthematter？TheFirstPeriodSectionA（1a—2c）。本单元主要学习谈论“健康状况”和“意外事故”,询问人们的健康状况以及如何针对不同的健康问题提出意见和建议。

简介：授课对象：七年级学生指导老师：王兰英（陕西省西安市教育科学研究所中学英语教研员）一、教学内容本堂课的教学内容为人教版新目标《英语》七年级（下）Unit8Isthereapostofficenearhere？TheFirstPeriodSectionA（1a—2c）。本单元主要围绕问路、指路的常用表达方式展开,问路指路话题与学生的日常生活联系紧密,容易激发他们的学习兴趣,这对于提高其综合语言运用能力很有帮助。

简介：授课对象：七年级学生指导老师：王兰英（陕西省西安市教育科学研究所中学英语教研员）一、教学内容本堂课的教学内容选自人教版新目标《英语》七年级（下）Unit9Whatdoeshelooklike？SectionA（1a-2c）,课型为听说课。本堂课的核心话题是谈论人的外表（appearance）,教材内容围绕描述人的外貌特点展开。本堂课的教学内容与学生生活密切相关,很容易激发学生运用简单的英语进行交际。