简介：<正>Manypeoplehurttheirbackswhentheytrytoliftheavythingsfromthefloor.Itiseasytohurtyourbackmuscleswhenyoupickupaheavyobject.However,thereisacorrectwaytoliftthingsfromthefloor.Ifyoupickupbigorheavyobjectscorrectly,youprobablywillnothurtyourback.

简介：Thisarticlegivesareviewonheavymetalpollutionpreventionandcontrol,anditalsodiscussesheavymetalpollutantdischarge,predictionandevaluationofenvironmentalimpact,andpollutionpreventionandmonitoring.

简介：<正>下面有两组英语词语,(A)组含有形容词heavy,(B)组含有动词play。你知道它们的汉语对应语吗?

简介：由最近的伦敦穿入深度大小激发了[H。Kim，等，Phys。加快。Lett。114，027003(2015)]并且新奇合成配对情形[O。Erten，R.弗林特，和P.科尔曼，Phys。加快。Lett。114，027002(2015)]做Yb的重费米子超导体CeCoIn5,，我们在显微镜的重费米子格子模型重游超流体反应的问题。从文学，然而，为在重费米子超导体的超流体反应函数的一个明确的表达式是稀罕的。在这份报纸，我们在庆祝Kondo-Heisenberg模型调查超流体密度反应功能。特定，我们从有效fermioniclarge-N导出相应形式主义谁的吝啬地的配对Hamiltonian配对相互作用被假定从有效本地antiferromagnetic交换相互作用发源。有趣地，我们发现身体上正确，如果外部电磁的地直接被联合到重费米子伪粒子而非赤裸的传导电子或本地时刻，温度依赖者超流体密度公式能仅仅被获得。如此的一个唯一的特征为low-temperature/energy热力学和运输行为强调Kondo-screening-renormalized重伪粒子的关键角色。作为重要应用，理论结果与在重费米子超导体CeCoIn5和做Yb的Ce1xYbx有相当好的同意和在后者材料的配对的对称的转变的硬币5作为简单的做效果被解释。另外，为通常遇到的无磁性的杂质的需要的形式主义和非局部的电力学的效果被开发。在向经典115系列解释重费米子超导体由成功启发了，我们期望现在的理论将被使用理解象CeCu2Si2和更通用的多乐队超导体。

简介：Meltsofleadbismuthgallatecompositionsarehighlycorrosiveandattackoncruciblesofdifferentmaterials.Inthepresentstudy,corrosionbyabaseglass(50PbO-30Bi2O3-20Ga2O3inmolefraction)meltedusingdifferentcruciblesandtheeffectonUV-VISandIRedgeswerestudied.Bymeltingthebaseglassinplatinum/2%rhodium,goldzirconiaandaluminacruciblesshowedlesseffectontheIRedgeandthereforeshiftedtheinfrarededgetolongerwavelength,whereassilicacruciblecontaminatedtheglass,causingaseveredeteriorationintheinfraredandhenceshiftedinfrarededgetomuchshorterwavelength.IntheUV-VISregion,baseglassmeltedinplatinum/2%rhodiumcrucibleshiftedtheedgetothelongestwavelengthwhereassilicacrucibleshiftedtheedgetoshorterwavelength.Thecontaminantsfromgold,zirconiaandaluminacruciblescausedtheUV-VISedgeofthebaseglasstoliebetweenthetwoextremesofPt/2%RhandSiO2crucibles.Theglassesmeltedinabovementionedcrucibleswerealsocharacterizedwithinductivelycoupledplasmaspectroscopy(ICP)analysistomeasurethelevelofcontaminationfromthecrucibles.Dependinguponcrucibleused,thecolorsofglassesobtainedrangedfromredtoyellow.

简介：ThesurvivalprobabilityofsuperheavynucleiproducedincoldfusionreactionsisstudiedbyusingthestandardFermigasleveldensityformulaandanalyzedwithfissionandneutronevaporationcharacteristicspredictedindifferenttheoreticalmodels.Theleveldensityformulausedinthislettersuppressestheratioofneutronemissionwidthtofissionwidth,Гn/Гf.ThedependenceofГn/Гfonthesaddlepointleveldensityparameterandexcitationenergyisalsoinvestigated.

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简介：Thispaperdescribesthebenefits,technicaldifficultiesanddisadvantagesofthecurrentheavyreductionsolutionsforplateproduction.Forupdatedplatemills,thispapergivesabetterideafortheheavyreductioncontrolintherollingprocess.Thatistokeepthereductionamountconstantinthefront-endandback-endsectionsoftheplateandtoadopttaperedrollingwithvariablereductioninthemiddlesectionoftheplate.Thissolution(alreadyappliedforapatent)cannotonlyfullyutilizethecapacityofthemillmotors,butalsopreventdifficultiesinplatebitingcausedbytheconventionalheavyreductionsolutionswithexcessivedraft.Thistechnicalsolutionhasbeenimplementedatthe5mplatemillplantofBaosteel,andindustrialtestshaveprovedthefeasibilityofit.Thispaperpresentsandanalyzestheindustrialtestdataandprovesthatthetaperedheavyreductiontechnologycanreducethenumberofrollingpasses.Inaddition,thispaperlooksforwardtothefutureresearchinthisarea.

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简介：在轻原子核的簇结构的学习在这些年里正在延长到重原子核。至于稳定的N=Z原子核，从更轻的8，12C原子核到更重的20Ne甚至40Ca和44Ti中等原子核，簇结构好学习并且证实。在重原子核，由于统治吝啬的领域，簇结构的存在不作为轻原子核清楚，但是一些线索被作出对有利的裁决特别地，在一些原子核显示core+簇结构208在212Po。我们在重原子核关于聚类的效果的理论、试验性的探索考察某最近的进步。我们也从腐烂的看法讨论重原子核的可能的簇结构。

简介：1．aheavysky阴沉的天空2．heavyfood油腻的食物3．heavyroad泥泞的道路4．aheavysleep熟睡

简介：Thecompletesolutionsoftheuprightandobliquepermanentrotationsofasymmetricheavygyroscopewithperfectdissipationaregiven.TheasymptoticstabilitycriteriaandunstabilitycriteriafortheserotationsinthesenseofLiapunovandthesenseofMovchanarealsogivenonthebasisofexactnonlinearmotionequationsrespectively.Therelatedobliquerotationsarenon-isolated.Themainsubdomainsofthere-gionsofasymptoticstabilityareobtained.Therelatedbifurcationphenomenaarediscussedindetail.

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简介：ThepaperstudiedthedistributionlawofXinjiang’sheavyrainintime-area-depthbytheoreticalexpressiondeducedfromtheentropymaximumprincipleandfoundsomeregularitiesofheavyrainfallinXinjiangbasedonanalyzing32-yearobservationaldatafromabout400hydrologicalandmeteorologicalstations.IthaspracticalsignificanceforstudyingXinjiang’sheavyrainfall,designingwaterconservancyandreducingfloodcatastrophecausedbyheavyrain.

简介：Cu,Zn,PbandHgrunofffroyellowlimestonesoilandpurplesoilsandthereltaionshipsbetewwnthemobilityoftheheavymetalsandthesoilcharactheristicswerestudiedinlaboratoryusingarainfallsimulator.TheresultsshowedthattheconcentrationsofsolubleZninsurfacerunoffweresignifcantlynegaivelycorrelatedwiththecontentsof<0.002mmparticlesndCECofthesoils,indicatingthatZnwasmostlyadsorbedbyclaysinthesoils.THecontentsofCuandHginsurfacerunoffwerepositivelyrelatedtotheircontentsinthesoils.TheamountsofCu,Zn,Pb,andHgRemovedbysurfacerunoffwereinfluencedbytheamountsofsoilandwaterlossesandtheircontentsinthesoilsandwerecloselyrelatedtothecontentsofsoilparticles1-0.02mminsize.

简介：纯leptonic腐烂并且被调查。hadronic贡献例如也被探索。我们然后获得pseudoscalar介子的更新的分叉的部分到雷普顿对被很少百分比的一个因素修改。明确地，是由一个因素减少了13%。

简介：TheroleplayedbythefunctionalgroupsofLaminariajaponicatreatedbymethanolandformaldehydeinbiosorptionoftheheavymetalswasinvestigated.Infraredspectroscopyanalysisandbiosorptionexperimentsshowthatbothcarboxylandaminogroupsjoininthesorption;chemicaltreatmentdecreasedthebiosorptionefficiencyoftheheavymetals.

简介：TheeffectsofcombinedheavymetalpollutionofredsoilonthegrowthofwetlandriceandthetransferofPb,Cd,CuandZnfromsoilintoplantsweresudiedbygreenhousepotexperiment,Theresultsshowedthattheplantyieldsweremarkedlyaffectedbyheavymetals,withtheexceptionofPb,insoilsundertheexperimentalconditions,withouttakingintoconsiderationalltheinteractionsamongtheelements.Theconcentrationsoftheelemetsinplantsweremainlyaffectedbythespecificelementaddedtothesoil.Theeffectofinteractionsamongtheheavymetalswasverysignificanteitheronplantyieldsorontheconcentrationoftheelementsinplants.Theriskassessmentofacombinedpollutionbyheavymetalsinthesoilisdiscussedpreliminarilyintermsoftherelativepollutionequivalent.

简介：最近报导的结果显示起始的错误很快并且随后种的那个小振幅和小规模污染短期的确定的中央规模预报。这快速的错误生长依赖于不仅潮湿的传送对流而且流动政体。在这研究，中央规模可预测性和mei-yu的错误生长，重降雨被在东方中国在42003年7月6日上沿着mei-yu前面模仿一个特别降水事件调查。由于mei-yu前面和规模相互作用的多尺度的特性，重降雨预报的mei-yu的错误生长在中间纬度的潮湿的baroclinic系统与那显著地不同。错误的最佳的生长有一个相对宽的系列，尽管它逐渐地从小规模与时间移居到中央规模。在这个重降雨事件的整个句号期间，错误生长有三个不同阶段，它类似于6小时的积累的降水的进化。多步错误生长作为错误，错误的水平规模，或两个的振幅的增加表明。在发展的预报错误的垂直侧面对流系统显示二座山峰，它与对流不稳定性和潮湿的物理相应。为mei-yu的错误生长重降雨在mei-yu前面内被集中，并且与潮湿的对流不稳定性和规模相互作用有关。

简介：ThickenedheavyoilsinChinaaregeneticallycharacteristicofcontinenta.Astotheirphysico-chemicalproperties,theseoilsareveryhighinviscosityandlowinsulphurandtraceelementcon-tents.Inthegroupconstituents,theconcentrationsofnon-hydrocarbonsandasphalteneareveryhighbutthoseofsaturatedhydrocarbonsandaromaticsareverylow.Thegaschromatogramsofalkanesshowthattheseheavyoilshavehighabundancesofiso-alkanesandcyclichydrocarbons.Inallthesteroidsandterpenoids,bicyclicsesquiterpenoids,tricyclicditerpenoids,re-arrangedsteranesandgammaceranearestronglybildegradation-resistent.Theformationofheavyoilreservoirsiscontrolledmainlybylatebasinascendance,biodegradation,flushingbymeteoricwaterandoxidationintheoil-bearingformations.Ac-cordingtotheirformationmechanisms,heavyoilreservoirscanbeclassifiedasfourcategories:weatheringanddenudation,marginaloxidation,secondarymigrationandthickeningofbottomwater.Spacially,heavythickoilreservoirsaredistributedregularly:theyusuallyshowsomeparageneticrelationshipswithnormaloilreservoirs.Heavyoilreservoirsoftenoccurinstructuralhighsorinoverlyingyoungerstrata.Theirburialdepthisabout200m.Horizontally,mostofthemaredistributedonthemarginsofbasinsordepressions.