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简介：DuJuemin,ateacherofCentralAcademyofFineArts,afirst-classnationallevelartist,oneofthefirstPhDsofCentralAcademyofFineArts,revealedhisoutstandingtalentsinthecontemporaryfigurepaintingindustrybythehisMasterdegree’sgraduationwork.Thegiantpainting(1800

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简介：生活就像一杯浓咖啡，如果怀着囫囵吞枣的心态去对待它，只能尝到苦苦滋味，如果用心细细品尝，则会是另一种味道：香甜，仿佛杯中盛着满满的一杯温情，使人品后更觉温暖。

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简介：AseriesofimprovementsinprolongingtheAODrefractorylininglifeinBaosteelareintroducedandanalyzedinthispaper,includingmodificationoftheAODshellshape,adjustmentofthetopslagcomponentsandselectionoftheside-blowingtuyeres.Firstly,thelayoutofside-blowtuyereswasalteredwiththeanglebetweeneachtwotuyeresbeing22.5°insteadoftheoriginal18°,andtheconnectionoftheoutsidesteelshellintheside-blowareawasmodifiedfromtheformerplatformshapewithgreatstressconcentrationintoanewsmoothcircleshape.Secondly,theslagcomponentswerechangedfromtheformerCaO-FeO-SiO2systemtotheCaO-MgO-SiO2system.Besides,thebasicityofthetopslagwaskepthigherthan1.8,andtheMgOcontentintheslagwaskeptwithintherangeof8%-12%.Finally,tuyereswithaninnerdiameter13%smallerthanthatoftheoriginaltuyereswereused.Basedontheseresearchandoptimizationwork,thethermodynamicsandkineticsintheAODrefiningbathhasbeenimprovedmarkedly,andthecampaignoftheAODhasbeenprolongedfrom45heatsatthebeginningofitsstart-uptothecurrent185heats.Meanwhile,theyieldofchromiumalloyandthedecarburizationefficiencyhavealsobeenimproved.

简介：Thefatiguebehaviorofahighstrengthsteel300Minthegigacycleregimewasinvestigated.Fullyreversedtension-compressionfatiguetestsatambienttemperaturewereperformedusinganultrasonicfatiguesystemoperatingat20kHz.Thestaircasetestmethodwasemployedtoobtainaccuratevaluesofthemeanfatiguestrengthcorrespondingtofixednumbersofcyclesupto10~9.Theseresultswerecomparedtothecurvewhichisestimatedbythedatatestedinthemid-longliferegimeonconventionalservohydraulictestmachineat20Hz.Resultsindicatethatthefatiguestrengthdeterminedfromultrasonicfatiguetestingislightlyhigherthanconventionaltestingintherangeof10~6-10~7cycles.Itisobviousthatnucleationsoffracturestendtooccurbelowthesurface,iffractureshappenaftermorethan10~7cycles.AllthefracturedspecimensfailsfrominternalSiO_2inclusionsorsmallercarbidesandcarbideclusters.

简介：作为一种干净、可更新的精力，潮汐的当前的精力与变得越来越严重的精力和环境问题的缺乏在整个世界正在变得日益普及。漂浮潮汐的当前的发电站是能支撑大量风，波浪，和水流的潮汐的当前的力量变压器的一种典型类型，并且弄平台风的极端状况。因此，系在的系统一定是足够可靠的让车站通常操作并且处于极端状况幸存。在这份报纸检验的发电站在40m的深度被安装。44公里直径R4-RQ4链被选择，与2147kN最小裂缝力量和50kN虚荣。普通无饰钉的连接链在这份报纸被使用。把累积损坏统治，链的S-N曲线，和摩西软件基于矿工疲劳，一个高度可靠的绳索系统被设计并且分析。系在的系统设计了的计算结果表演在整个一个10年的时期是可靠的。它能完全满足美国石油机构(API)的设计要求。因此，介绍研究为推进这种发电站的设计是重要的。

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简介：TheinterviewwithKongLiangwasnotsuccessfulatthebeginning.Heexplainedthathewasnotgoodathandlingstuffsotherthanartisticcreationandrarelyconductedinterviewwiththemedia,sohesoughthelpfromhiswife.Thisseldomhappenedduringmyinterviews.SoIcouldonlychatwithhiswife

简介：Shelf-lifeextensionofaquaticproductsisofsignificanteconomicalimportance.Todeterminethepotentialeffectofchitosanontheshelf-lifeoffilletedtilapia,thisstudyanalyzedthebacterialcommunitydiversityinfreshandspoiledtilapiafilletsstoredat(4±1)℃andexaminedtheantimicrobialactivityofchitosanagainstrelevantbacteriaisolates.ResultsshowedthatPseudomonas(20%)andAeromonas(16%)wereabundantinfreshtilapiafillets,whereasPseudomonas(52%),Aeromonas(32%)andStaphylococcus(12%)weredominantinthespoiledsamples.Chitosanshowedwide-spectrumantibacterialactivityagainstbacteriaisolatedfromtilapiaand5.0gL-1chitosanwasselectedforapplicationinpreservation.Wefurtherdeterminedtheshelf-lifeofchitosan-treated,filletedtilapiastoredat(4±1)℃basedonmicrobiological,biochemicalandsensoryanalyses.Resultsshowedthattheshelf-lifeofchitosan-treated,filletedtilapiawasextendedto12d,whereasthatofuntreated,controlsampleswas6d.Theseindicatethatchitosan,asanaturalpreservative,hasgreatapplicationpotentialintheshelf-lifeextensionoftilapiafillets.

简介：Twoopposingintellectualtraditionsandtheircontem-porarydevelopmentsregardingtherelationsamongpopulation,availableresources,andqualityoflifeasreflectedineconomicgrowtharereviewed.Whatisatissueiswhetherpopulationgrowthisdetrimentaltoorbeneficialforeconomicdevelopment.Neitheroftheextremeviewsgivesacompletepictureoftheinterplayamongpopulation,resources,andqualityoflife.Followingpreviousliteratureonthetopic,thispaperestablishesamorebalancedapproachthatconsidersthefunctionlinkingpopulationandqualityoflifenotconstantbutvariableandregardsthelimitednessofresourcesasnotabsolutebutrelativetoregionsandsocieties.Theproposedapproachismoreflexibleinbetterexplainingtherelationbetweenpopulationandeconomicgrowth.Chinaisexaminedasacaseinpointtoshedlightontheinteractionofpopulationgrowth,economicdevelopment,andavailableresources,anditsrecentpost-economicreformexperiencesshowcasetheappropriatenessofthesyntheticapproach.

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简介：<正>一、教材分析本课的教学内容是译林版《牛津初中英语》7AUnit2SchoollifeReading部分。Reading部分主要围绕Millie给Tommy写的一封电子邮件展开。该语篇长短适中,重难点明确,通过Millie的电子邮件这一情境展示了她的学校生活,学生在了解Millie学校生活的同时也能习得描述学校生活的方法。学生在小学高年级阶段已经接触过本课所涉及的话题,因此,他们

简介：提炼草食动物Marucavitrata赘言作家的四主人植物种的效果(鳞翅目：Crambidae)在发展时间，长寿，肥沃和parasitoidApantelestaragamaeViereck的性比率(Hymenoptera：Braconidae)在实验室条件下面被调查。幼虫被寄生于什么时候在第二中间形态。Marucavitrata幼虫用四荚的花被喂，也就是说Vignaunguiculata(豇豆)，Sesbaniarostrata，Lonchocarpussericeus和Pterocarpussantalinoides，或在parasitization前后的一本人工的食谱。parasitoid没在在L上喂的主人发展。sericeus或V。在25点的unguiculata?楤晳癡？