简介：TodevelopaNaI(Tl)detectorforinsituradioactivitymonitoringinthemarineenvironmentandenhancetheconfidenceoftheprobabilityofthegamma-spectrumanalysis,MonteCarlosimulationsusingtheMonteCarloN-Particle(MNCP)codewereperformedtoprovidetheresponsespectraofsomeinterestedradionuclidesandthebackgroundspectraoriginatingfromthenaturalradionuclidesinseawaterrecordedbyaNaI(Tl)detector.Anewlydeveloped75mm×75mmNaI(Tl)detectorwascalibratedusingfourreferenceradioactivesources137Cs,60Co,40Kand54Mninthelaboratorybeforethefieldmeasurementsinseawater.Asimulationmodelwasestablishedforthedetectorimmersedinseawater.ThesimulatedspectrawereallbroadenedwithGaussianpulsestoreflectthestatisticalfluctuationsandelectricalnoiseintherealmeasurement.Thesimulatedspectrashowthatthesingle-energyphotonsintothedetectoraremostlyscatteringlow-energyphotonsandthehighbackgroundinthelowenergyregionmainlyoriginatesfromtheComptoneffectofthehighenergyγ-raysofnaturalradionuclidesinseawater.Thesimulatedbackgroundspectrumwascomparedwiththeexperimentalonerecordedinfieldmeasurementandtheyseemtobeingoodagreement.Thesimulationmethodandspectracanbeusedfortheaccurateanalysisofthefiledmeasurementresultsoflowconcentrationradioactivityinseawater.

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简介：Inthispaper,IwilldiscussthebackgroundofGharungpaLhavirgyalmtshan(1319-1403),theauthoroftheChosdbyingsgsalsgron(LamptoIlluminatetheExpanseofReality).Todate,Gharungpa,astudentofthefamousDolpopaShesrabrgyalmtshan(1292-1361),hasbeenlittlestudiedoutsideofTibet,andhisnamehasrarelycomeupeveninTibetanscholarship.Inordertohaveaclearunderstandingandafullerpictureofhiswrittings,wemustexplorethelifeoftheauthorhimselfaswellasthescholarlyenvironmentinwhichhelivedandwaseducated.

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简介：SystemoptimizationplaysacrucialroleindevelopingVRsystemafter3Dmodeling,affectingthesystem'sImmersionandInteractionperformanceenormously.Inthisarticle,severalkeytechniquesofoptimizingavirtualminingsystemwerediscussed:optimizing3DmodelstokeepthepolygonnumberinVRsystemwithintargethardware'sprocessingability;optimizingtexturedatabasetosavetexturememorywithperfectvisualeffect;optimizingdatabasehierarchystructuretoacceleratemodelretrieval;andoptimizingLODhierarchystructuretospeeduprendering~

简介：在有颠倒(TR)技术是investigated.TR的柔韧的时间的不明确的环境的目标察觉和本地化是物理进程以及信号processing.Therefore的一个方法，经由TR执行beamforming是自然的，即，TRbeamforming(TRBF).To还原剂TR上的环境无常的效果时间空间的集中，播送TRBF与当模特儿而不是物理探查来源被学习，有斜装载的柔韧的最小变化的收到TRBF被放forward.Both

简介：Wereportonthetransmissionspectraofasausage-likemicroresonator(SLM)inaqueousenvironment,whereafibertaperisusedasalightcoupler.ThetransmissionspectrashowaninterestingdependenceonthecouplingpositionbetweentheSLMandthefibertaper.WhentheSLMismovedalongthefibertaper,thelineshapecanevolveperiodicallyamongsymmetricdips,asymmetricFano-likeresonancelineshapes,andsymmetricpeaks.Acoupled-modetheorywithfeedbackisdevelopedtoexplaintheobservation.TheobservationofFano-likeresonanceinaqueousenvironmentholdsgreatpotentialinbiochemicalsensing.

简介：华南海在深海的区域包含巨大的油和煤气的资源。然而，为深海的探索的钥匙之一，深海的漂浮平台的调查，是很不适当的。在这份报纸，作者在华南海环境学习了并且比较水动力学和典型深海的平台的全球运动行为。水动力学漂浮的平台的三种主要类型当模特儿，例如半能沉入水中，紧张腿站台(TLP)，并且捆绑海岸警卫队女子后备队队员，它能潜在地在华南海被利用，被使用3-D潜力理论建立。另外，显著地影响水动力学的一些重要考虑被给。在及时，在在100-y，10-y，和1-y的变化时间的风，随机的波浪，和电流下面的领域归还时期环境条件的频率领域以及全球运动的RAO被预言，比较，并且分析。结果显示举和TLP的特别沥青运动是有利的。当随机的波浪的高峰时期是低的时，Truss海岸警卫队女子后备队队员的举反应与TLP的完美、可比较。然而，沥青运动捆绑海岸警卫队女子后备队队员比的非常地大半能沉入水中并且TLP。

简介：Thispaperaddressestheproblemofcoordinatingmultiplemobilerobotsinsearchingforandcapturingamobiletarget,withtheaimofreducingthecapturetime.Comparedwiththepreviousalgorithms,weassumethatthetargetcanbedetectedbyanyrobotandcapturedsuccessfullybytwoormorerobots.Inthispaper,weassumethateachrobothasalimitedcommunicationrange.Wemaintaintherobotswithinamobilenetworktoguaranteethesuccessfulcapture.Inaddition,themotionofthetargetismodeledandincorporatedintodirectingthemotionoftherobotstoreducethecapturetime.Acoordinationalgorithmconsideringbothaspectsisproposed.Thisalgorithmcangreatlyreducetheexpectedtimeofcapturingthemobiletarget.Finally,wevalidatethealgorithmbythesimulationsandexperiments.

简介：Background:Neighborhoodbuiltenvironmentmayprofoundlyinfluencechildren’sphysicalactivity(PA)andbodyweight.ThisstudysystematicallyreviewedscientificevidenceregardingtheimpactofbuiltenvironmentonPAandobesityamongchildrenandadolescentsinChina.Methods:AkeywordandreferencesearchwasconductedinActiveLivingResearch,CochraneLibrary,PubMed,andWebofScience.Studiesthatmetallofthefollowingcriteriawereincludedinthereview:(1)studydesigns-experimentalstudies,observationalstudies,andqualitativestudies;(2)studysubjects-Chinesechildrenand/oradolescentsaged≤17years;(3)exposures-neighborhoodbuiltenvironment;(4)outcomes-PAand/orbodyweightstatus;(5)articletype-peer-reviewedpublications;(6)timewindowofsearch-fromtheinceptionofanelectronicbibliographicdatabasetoMay31,2018;(7)country-China;and(8)language-articleswritteninEnglish.Results:Atotalof20studies,including16cross-sectionalstudies,3longitudinalstudies,and1descriptivestudy,metthepredeterminedselectioncriteriaandwereincludedinthereview.Atotalof13studiesadoptedsubjectivebuiltenvironmentmeasuresreportedbyparentsand/orchildren,2adoptedobjectivemeasures(e.g.,geographicalinformationsystem,fieldobservations),and5adoptedbothobjectiveandsubjectivemeasures.PAbehaviorsincludedPA,physicalinactivity,sedentarybehavior,active/passivecommutingfrom/toschool,andparkvisits.Amongthe16studiesthatprovidedsomequantitativeestimatesoftheinfluenceofbuiltenvironmentonPAandbodyweightstatus,allreportedastatisticallysignificantrelationshipintheexpecteddirection.Availabilityandaccessibilityinproximitytogreenspaces,parks,recreationalfacilities,andsidewalkswerefoundtobeassociatedwithincreasedPAlevels,reducedsedentarybehaviors,and/oractivecommutingamongChinesechildrenandadolescents.Incontrast,theabsenceofbikelanesandlivinginhigherdensityresidentialareaswer

简介：在两倍旋涡(SODV)和台风的形成的组织工会之间的关系与大气的Research/Penn州的Mesoscale模型(MM5)的第五产生的国家中心基于六个数字实验被讨论，进一步的讨论与结果显示出的真实台风case.The被做有批评距离dc为在baroclinicatmosphere.When的SODV，在分开的旋涡之间的距离比小或等于dc，进自我组织的双旋涡

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简介：为了在量的特征和人的解决的空间模式探索地理差别，在三的环境适用性(HSES)塞满水库区域(TGRA)，地面，气候，水文学，植被和另外的天赋因素被选择造过得去的环境评估，并且定量分析通过遥感(RS)和地理参考系统(GIS)被进行揭示地理特征和HSES的空间模式。结果如下被获得：(1)重庆的TGRA的居民与中等高HSES在区域被集中，它是在48%学习区域散布的78%全部的人口；(2)HSES是仔细与地面有关，并且它形成一个弧乐队空间继任模式：在东北和东南相对低当时在西方和南方比较地高；(3)大量人与低适用性在区域被散布(与更高的人口密度比西方的中国的一般水准)，但是在这些区域的经济发展水平是相当低的。而且，这些区域是生态的敏感、易碎，许多种eco环境的问题被人的活动引起了。因此，人口移植和布局是为这些区域的发展的合理选择。

简介：一系列新奇的镧锶铝酸盐黄磷，Ce3+-dopedLaSr2AlO(5-0.5x)Fx(LSAF)黄磷成功地在减少空气下面用高温度的稳固的州的合成过程被综合(H2/N2=1/4)。X光检查衍射模式表明那件LSAF样品是纯LaSr2有1250的sintering温度的AlO5阶段?桰獯桰牯?祢挠湯牴汯楬杮挠祲瑳污映敩摬攠癮物湯敭瑮眠瑩?汦潵楲敮椠湯?猼灵?猯灵>

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简介：AttheinvitationofNationalStrategicInstitute(NSI)ofRepublicofKoreaandtheNaganoAssociationforJapan-ChinaExchanges(NAJCE),a6-memberCAFIUdelegationvisitedROKandJapanfrom

简介：ImpactsongrowthofyoungtreesofPinusKoraiensisof6environmentalfactorsofintensityofsunlight,directsunlight,thicknessofsoilhumus,neighboringtrees,uppercanopyspecies,herbsandshrubswereinvestigatedonyoungtreeofPinusKoraiensisand4neighboringtreeswhichareconsideredthestructuralunitofthemicroenvironment.Resultsindicatedthatthe6environmentalfactorsunderinvestigationhadeffects,tovariousextents,ongrowthoftheyoungtrees.Basedonthefindings,suitablegrowingconditionsforregeneratedyoungtreeofPinusKoraiensisunderforestwereidentifiedandcorrespondingsilviculturalmeasureswereproposedforoperationalpractice.

简介：Thispaperconstructsa4-liercomputablegeneralequilibriummodelwhichincludessuchmodulesasmodelingcarbonemissionconstraintsandcarbontrading(CT),andincorporatesthecostofcarbonemissionsintoconstantelasticityofsubstituteproductionfunction.Underscenariosettingsunderdifferentcarbonabatementtargets,basedon2007nationalsocialaccountingmatrixandrelatedstatisticaldataaboutenergyconsumptionandcarbonemission,effectsoneconomicoutputs,energyconsumption,andcarbonabatementareestimatedandanalyzedatbothmacroandsectorlevel.Bycalculatingselectednovelindicatorsthatcompromisebetweenmacroeconomicopportunitycostandachievablecarbonabatement,reasonablecarbonpriceintervalsaregivenforenhancingtherobustnessandliquidityofcarbonmarket.Further,bydecompositionandshare-weightedmethods,expectedcarbonabatementandenergypricearemeasuredandanalyzedindetails.Someresultsaremeaningfulforfundamentaldesignofthefuturecarbonmarket.Givenconstantenergyutilizationandcarbonabatementtechnologiesatthemacrolevel,thehigherthecarbonpricethemoreactualcarbonabatement;themoregrossdomesticproductloss,thelessenergyconsumption.Accwdingtotheoverallsituationestimatedfor2007inChina,theadvicegivenistointroduceacarbonabatementtargetrate(R_c)of-10%,whichishelpfultomakecarbonmarketstableagainstunexpectedcarbonpriceshocksbetween[6.9,35]/tCwithlesseconomicloss.AccordingtoKayadecomposition,afterintroductionofcarbonpricing,carbonabatementismainlycontributedbytheeffectsofenergyintensity(EI)andtechnicalprogress.Further,CTmayhelpreduceenergyconsumptionandinducetransformationtoalow-carbonenergystructure.Atthesectorlevel,theintroductionofCTcouldinduceeconomicrecessioninallsectors,especiallyenergy.However,theoveralleconomicstructureremainsunchangedtosomeextent.CTwillhelpreduceenergyconsumptioninallsectors,especiallyenergy.Overallutilizationc

简介：磁性的大小和重金属分析从Chibi的主要城市的区域在街灰尘上被执行(赤壁)城市，湖北(湖北)省，中国。结果揭示了那像磁铁矿的阶段统治的PSD/MD(pseudo-single-domain/multi-domain)街灰尘的磁性的阶段。集中相关的磁性的参数例如磁性的危险性(χ)，非滞后的残余的磁化(手臂)，并且样品的等温的残余的磁化(SIRM)在主要道路增加了，但是出现的浸透在Lushui的风景区域降低(陆水)湖并且密切与集中相关重金属Fe，Cu，和公司，和关联系数为Fe-χ是0.786，0.548为Cu-χ，并且0.580为Co-χ分别地。然而，在SIRM之间的强壮的关联和重金属的集中建议SIRM在街上是为重金属污染的更好的指示物在学习区域的灰尘。磁性的粒子在街上清扫主要从人为的活动被导出，例如车辆排出物，轮胎的磨损，煤燃烧，水泥工作，和大楼材料。这些结果使使用为在都市化估计重金属污染的简单、快速、非破坏性的工具处理的磁性的技术可能。