简介：事件波浪的明显的速度是为与理论方法模仿旋转地面运动的一个重要参数，但是当仅仅有单个record.This时，纸在一块多层的各向同性的橡皮基于elastodynamic理论讨论一个P-SV比率方法，有效地对估计困难在SMARTI的四地震的明显的速度穿的半space.The与这method.The结果被计算接近使用旅行时间analysis.Furthermore的一个方法，因素

简介：Theprofilemethodistheprincipalmethodfirsttobechosentomeasuretheapparentopticalparametersofwaters.Thispaperfirstintroducestheprofilemethodbriefly,thenmodifiestheappliedalgorithminthelightofthepropertiesoftheclass-Ⅱwatersandlastly,analysestheeffectofapplication.

简介：Excessivenitrogen(N)fertilizerapplicationtowinterwheatisacommonproblemontheNorthChinaPlain.TodeterminetheoptimumfertilizerNrateforwinterwheatproductionwhileminimizingNlosses,fieldexperimentswereconductedfortwogrowingseasonsateightsites,inHuiminCounty,ShandongProvince,from2001to2003.TheoptimumNrateformaximumgrainyieldwasinverselyrelatedtotheinitialsoilmineralNcontent(Nmin)inthetop90cmofthesoilprofilebeforesowing.TherewasnoyieldresponsetotheappliedNatthethreesiteswithhighinitialsoilmineralNlevels(average212kgNha-1).TheaverageoptimumNratewas96kgNha-1forthefivesiteswithlowinitialsoilNmin(average155kgNha-1)beforesowing.ResidualnitrateNinthetop90cmofthesoilprofileafterharvestincreasedwithincreasingfertilizerNapplicationrate.TheapparentNlossesduringthewheat-growingseasonalsoincreasedwithincreasingNapplicationrate.TheaverageapparentNlosseswiththeoptimumNrateswerelessthan15kgNha-1,whereasthefarmers'conventionalNapplicationrateresultedinlossesofmorethan100kgNha-1.Therefore,optimizingNuseforwinterwheatconsiderablyreducedNlossestotheenvironmentwithoutcompromisingcropyields.

简介：

简介：Oxygenisotopefractionationbetweencoexistingmineralsinslowlycooledrocksconveysinformationabouttheircoolinghistory.Byusingthefastgrainboundary(FGB)modeltosimulateclosed-systemdiffusiveexchangeofoxygenisotopesbetweencoexistingminerals,Ishowthattheapparentequilibriumtemperatures(Tae)bythemineralpairwiththelargestisotopicfractionation(PLIF)alwaysliesbetweentheclosuretemperatures(Tc)ofthosetwominerals.Therefore,whentherateofoxygendiffusionandhenceTcforthePLIFchancetobecomparable(suchasinthecaseofquartzandmagnetite),TaewillserveasagoodapproximationofTcregardlessofvariationinmineralproportions.ThespecialtyofthePLIFinconstrainingTaewithintheirTcrangecanbegeneralizedtootherstableisotopesystemsandelementpartitioning.ByapproximatingTcwithTaeandinvertingDodson'sequation,thecoolingrateofplutonicormetamorphicrockscanbeinferred.

简介：

简介：剩余的理论和方程明显的极化方法在这篇文章被建议并且描述。基于存在的矿的研究，剩余明显的极化\Gh\Gasy，从全体的导致水流的中间坡度的明显的极化\Gh\Ga和在已知的深Jiaojia类型金矿上的小电极空格计算，被显示了把矿的效果与在破裂地区从强烈改变的岩石产生的异常极化分开。关键词导致水流中间坡度-剩余明显的极化-深Jiaojia类型金矿-申请第一作者NiuRubao，高级工程师，执行地球物理的调查和研究并且被同意了撤营四次的等级3和等级4科学、工艺的奖金并且出版了大约十篇论文。

简介：Thenitrousoxidedisposalunit,inwhichShenmaNylonChemicalsCompanyinHenanprovincehasinvestedmorethan68millionRMB,waspre-commissionedinNovember2007torealizethedetoxificationofallgasesgeneratedbythe

简介：Asmanycountrieshaveenteredanewperiodofadjustmentanddevelopmentalcompetitioninthewakeofthefinancialcrisis,someprofoundchangesandtransformationshaveinevitablytakenplaceintheinternationalstrategicconfigurationandtheinternationalorder.AstheconnotationsandconditionsofChina’snew

简介：Thispaperisconcernedwiththemodelingofrandomnessinmultiscaleanalysisofheterogeneousmaterials.Morespecifically,aframeworkdedicatedtothestochasticmodelingofrandompropertiesisfirstintroduced.Aprobabilisticmodelformatrix-valuedsecond-orderrandomfieldswithsymmetrypropertries,recentlyproposedintheliterature,isfurtherreviewed.AlgorithmsadaptedtotheMonteCarlosimulationoftheproposedrepresentationarealsoprovided.Thederivationsandcalibrationprocedurearefinallyexemplifiedthroughthemodelingoftheapparentpropertiesassociatedwithanelasticporousmicrostructurecontainingstochasticinterphases.

简介：

简介：Asglobaltemperaturesincreaseanddissolvedoxygen(DO)contentdecreasesinmarinesystems,indicesassessingsedimentDOcontentinbenthichabitatsarebecomingincreasinglyuseful.Onesuchmeasureisthedepthtotheapparentredoxpotentialdiscontinuity(aRPD),atransitionofsedimentcolorthatservesasarelativemeasureofsedimentDOcontent.WeexaminedspatiotemporalvariationofaRPDdepth,andthenatureoftherelationshipsbetweenaRPDdepthandbiotic(infaunaandepibenthicpredators)andabioticvariables(sedimentproperties),aswellastheavailabilityofresources(chlorophyllaconcentration,andorganicmattercontent)intheintertidalmudflatsoftheBayofFundy,Canada.aRPDdepthvariedsignificantlythroughspaceandtime,andacombinationofbiotic(sessileanderrantinfauna,aswellasepibenthicpredators),andabiotic(exposuretimeofaplot,sedimentparticlesize,penetrability,andwatercontent)variables,aswellastheavailabilityofresources(sedimentorganicmattercontent,andchlorophyllaconcentration)werecorrelatedwithaRPDdepth.Assuch,knowledgeofbothbioticandabioticvariablesarerequiredforaholisticunderstandingofsedimentDOconditions.AbioticvariableslikelydictateasuiteofpotentialaRPDdepthconditions,whilebiotaandresourceavailability,viabioturbationandrespiration,stronglyinfluencetheobservedaRPDdepth.AsDOconditionsinmarinesystemswillcontinuetochangeduetoglobalclimatechange,elucidatingtheserelationshipsareakeyfirststepinpredictingtheinfluencedecreasingDOcontentmayhaveuponmarinebenthos.&2017InternationalResearchandTrainingCentreonErosionandSedimentation/theWorldAssociationforSedimentationandErosionResearch.PublishedbyElsevierB.V.Allrightsreserved.

简介：BasedonthewaveformdataobservedbytheregionalseismicnetworkofGansuProvince,wecalculatedtheapparentstressof422earthquakeswithM_L≥2.0occurringinthesurroundingareaoftheMinxianearthquakefromJanuary2010toJuly2014andobtainedthetemporalandspatialvariationofapparentstressbeforeandaftertheMinxianearthquake.Resultsshowthat(1)thehighvalueofapparentstressofearthquakeswithM_L≥4.0wasconcentratedintheepicenterareabeforetheMinxianearthquakewhilethatofearthquakeswithM_L<4.0wasnot;(2)ApparentstressaroundtheepicenterareashowedanobviousincreasingprocessbeforetheMinxianearthquakeandtheincreasingprocesshascontinuedafterthemainshock,whichmeansthatthisstudyareaisstillinthedangerofstrongearthquakes.

简介：无