简介：Objective:Population-basedcancerregistrationdatawereusedtoanalyzetheepidemiologyandtrendofmalignantmesotheliomainChina,andtheresultwouldprovidebasicdataforitspreventionandcontrol.Methods:Malignantmesotheliomadatain2013wereretrievedfromthedatabaseofNationalCancerRegistry.Malignantmesotheliomaincidenceandmortalitywereestimatedusingage-specificratebyurban/ruralandgenderaccordingtothenationalpopulationin2013.Malignantmesotheliomadatafrom22cancerregistrieswereusedfortrendanalysisduring2000–2013.Results:Itisestimatedthattherewere2,041newmalignantmesotheliomacasesand1,659malignantmesotheliomadeathsoccurredin2013.ThecrudeincidencerateinChinawere1.50/106(males1.67/106,females1.32/106),age-standardizedincidenceratesbyChinesestandardpopulation(ASIRC)andbyworldstandardpopulation(ASIRW)were1.03/106and1.02/106,respectively.ThecrudemortalityrateinChinawas1.22/106(males1.67/106,females1.32/106),age-standardizedmortalityratesbyChinesestandardpopulation(ASMRC)andbyworldstandardpopulation(ASMRW)were0.83/106and0.81/106,respectively.TherewasanincreasingtrendofincidencerateformalignantmesotheliomainregistrationareasofChinaduring2000–2013withannualpercentagechange(APC)of2.5%[95%confidenceinterval(95%CI):0.6%–4.5%].Afteragestandardization,nosignificantdifferenceswereobserved.Nomatterforcrudemortalityratesorage-standardizedmortalityrates,nosignificantdifferenceswereobservedduring2000–2013.Conclusions:Malignantmesotheliomaisthemajoroccupationalandenvironmentalneoplasmassociatedwithasbestosexposure.Theincreasingincidencetrendsuggeststhatmoreattentionshouldbepaidonthisdisease.

简介：WeanalyzedthestatusanddevelopmentoftheweldingconsumablesindustryinChinaduringthe12thFive-YearPlan(2011-2015)period,andidentifiedthemajorproblemsintheindustry.Wepredictedthedevelopmenttrendsthatareexpectedforthe13thFive-YearPlan(2016-2020)period.Wesuggestsomespecificcountermeasuresandpractices,whichtheChineseweldingindustryshouldacceleratethetransformation-upgradingandcoordinateddevelopmentoftheindustryanditsfirms,shouldworkonimprovingtheiroverallqualitytoimprovethebrand'sinfluence,enlargetheirinputintoresearchandtechnologyupgrading,anddevelopalow-carbongreenproductionmodethatcouldbeputinplacetopromotethedevelopmentoftheChineseweldingconsumablesindustry.

简介：EpidemiologicalstudiesshowedtheincidencemortalityratesofcancerwereincreasinginrecentdecadesinChinesepopulation.Nationalandregionalpreventiveprogramsaimtoreducethehealthhazardsofcancerandfocusethepopulationathighrisksforspecificcancer,particularlyinruralareasandtooffertheaccesstoearlydetectionformultlplecancersinurbanareas.Theearlyscreening,earlydetectionandtreatmenthavebeenputintooperationforthepopulationatrisksinruralareasatfirst,andintheurbanareasinrecentyears.Tounderstandtheepidemicpatternsandtrendsofcancer,andtheexperiencesinapplyingearlydetectionstrategiesinChina,selectedliteratureswerereviewedforbriefsummary.

简介：Inthisstudy,weexaminealong-termincreasingtrendinsubtropicalpotentialvorticity(PV)intrusioneventsoverthePacificOceaninrelationtotheglobalmeantemperaturerise,basedonmultiplereanalysisdatasets.ThefrequencyofthePVintrusionsiscloselyrelatedtotheupper-troposphericequatorialwesterlyductandthesubtropicaljet(STJ).AnoverallstrengtheningofthewesterlyductandweakeningoftheSTJarefoundtobedrivenbythewarming-inducedstrengtheningofWalkercirculationandregionalchangesinHadleycirculationonmulti-decadaltimescale,leadingtoanincreaseinthePVintrusionfrequencyoverthetropics.Theresultsarerobustinalldatasets.Themulti-decadalstrengtheninginthePacificWalkercirculationisconsistentwiththeglobalmeantemperaturerise.Inthisway,thePVintrusionsarecorrelatedwiththewarmingrelatedglobalmeantemperuaterise.WhentheinterannualvariabilityofENSOisremovedfromtheintrusiontimeseries,thelong-termtrendinPVintrusionsduetoexternalforcingassociatedwithanthropogenicwarming(globalmeantemperaturerise)becomesclearer.Thelinkbetweentheglobalmeantemperatureriseandintrusionfrequencyisfurtherverifiedbyperformingacorrelationanalysisbetweenthetwo.Thesignificant(>95%)correlationcoefficientis0.85,0.94,0.84,0.83,and0.84forERA-40,ERA-Interim,NCEP-NCAR,JRA-55,andJRA-25,respectively.Thisunequivocallyindicatesthattheglobalmeantemperaturerisecanexplainaround69%–88%ofthevariancerelatedtothelong-termincreaseinPVintrusionfrequencyoverthePacificOcean.