简介：Asanimportantapplicationresearchtopicoftheintelligentaviationmulti-station,collaborativedetectingmustovercometheproblemofscoutingmeasurementwithstatusof“fragmentation”,andtheNP-hardnessproblemofmatchingassociationbetweentargetandmeasurementintheprocessofscoutingtodata-link,whichhascomplicatedtechnicalarchitectureofnetworkconstruction.Inthispaper,takingadvantageofcooperationmechanismonsignallevelintheaviationmulti-stationsympatheticnetwork,amethodofobtainingtargettimedifferenceofarrival(TDOA)measurementusingmulti-stationcollaborativedetectingbasedontime-frequencyassociationisproposed.Themethodcannotonlyachievematchingbetweentargetanditsmeasurement,butalsoobtainTDOAmeasurementbyfurtherevolutionarytransactionthroughrefreshingsequentialpulsetimeofarrival(TOA)measurementmatrixformatchingandcorrelating.SimulationresultsshowthattheaccuracyofTDOAmeasurementhassignificantsuperiorityoverTOA,anddetectionprobabilityoffalseTDOAmeasurementintroducedbynoiseandfakemeasurementcanbereducedeffectively.

简介：Anopticalfibertransmittingphotoelectriccouplingcurrenttransformerhasbeendeveloped.Intheenvironmentofhighvoltageandelectromagneticfields,thisdeviceischaracterizedbyhighinsulation,highreliability,smallmassandhighanti-interference.Thestructuredesignandopertingprincipleofthesystemareintroduced,measurementerrorsareanalyzedandexperimentalresultsaregiven.

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简介：MengxiMagneticIndustryCompanyofBaotouResearchInstituteofRareEarths,foundedinJune2000,istheonlyenterpriseprovidingSmComagnetfornationaldefenseindustryinInnerMongolia.BasedonsolidscientificstrengthandabundantresourceadvantageofBaotouResearchInstituteofRareEarths,MengxiMagneticIndustryCompanyhasanannualproductioncapacityof200-tonSmComagnets.SmComagnetcanbewidelyusedinaviation,navigation,aerospace,weapons,

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简介：ChinaRareEarthHoldingsLimitedChinaRareEarthHoldingsLimitedisalargeproducerofrareearthandrefractorymaterialsinChina.ItwaslistedinHongKongStockExchangeon15thOctober1999.Ithas6solelyinvestedandstockcontrolledsubsidiarieswithindependentlegalpersonality.

简介：ChinaRareEarthHoldingsLimitedisalargeproducerofrareearthandrefractorymaterialsinChina.ItwaslistedinHongKongStockExchangeon15thOctober1999.Ithas6solelyinvestedandstockcontrolledsubsidiarieswithindependentlegalpersonality.YixingXinweiLeeshingRareEarthCo.,LtdhasbeendevelopedintoaleadingrareearthenterpriseinChinaandalargerareearthseparationenterpriseintheworld.

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简介：BaotouNationalRareEarthHi-techIndustrialDevelopmentZoneistheonlyonerankedafterrareearthin54nationallevelhi-techzonesinChina.Itistheonlynationallevelhi-techzoneinInnerMongolia.

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简介：FoundedinMarch2001,BaotouXinyuanRareEarthHiTechandNewMaterialsCo.,Ltdisajoint-stockcompanywithtotalassetsofmillionand170staff.ThecompanyspecializesinproducingvarioushighpurityREoxides.REchlorides,REsaltsanddifferentREmetals.MainproductsofdifferentspecificationsareLa2O3,CeO2,Pr6O11,Nd2O3,(SmEuGd)2O3,(PrNd)2O3,Eu-leachREO,(LaCe)2O3,LaCl3,CeCl3,(LaCe)Cl3,Eu-leachRECl3,lowZnandlowMgRECl3andLa2(CO)3,Ce2(CO)3,Ce(NO3)3,(LaCe)2(CO3)3,Eu-leachRE2(CO3)3,REF3,andLa,Ce,Pr-Nd...

简介：Radiationexposureisahazardforpatientsandphysiciansduringfluoroscopically-guidedprocedures.Invasivecardiologistsareexposedtohighlevelsofscatterradiationandbothincreasingproceduralcomplexityandhigheroperatorvolumescontributetoexposureaboverecommendedthresholds.Standardshieldingdoesnotoffersufficientprotectiontotheheadandneckregionandthepotentialfornegativebiological,subclinical,andclinicaleffectsexists.Largepopulationstudiessuggestthatcranialexposuretolowdoseradiationincreasestherisksoftumordevelopment.Inaddition,modestdosesoftherapeuticcranialradiationhavebeenlinkedwiththedevelopmentofbraincancer.Althoughacausalassociationbetweenscatterradiationinthecathlabandbraincancerdoesnotcurrentlyexist,giventheknowndetrimentaleffectsofradiationexposuretotheheadandneckregionsupportafocusonpotentialmethodsofprotectionforboththepatientandtheoperator.

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简介：Chronicdiseaseshavebecomeafocalpointofpublichealthworldwidewithestimatesoftrillionsofdollarsinannualhealthcarecostandcausingmorethan36milliondeathsayear.Lifestylefactorssuchasphysicalinactivityareheavilycorrelatedwiththedevelopmentofmanychronicdiseases.Newstrategiesforprimaryandsecondarydiseasepreventionaredesperatelyneededtoaidinbluntingthenegativeeconomicandsocialimpactofthesediseases.Physicalactivity(PA)andexercisearenowconsideredprincipalinterventionsforuseinprimaryandsecondarypreventionofchronicdiseases.Currently,moreemphasisinprimarypreventionofdiseaseisnecessarytoreducediseaseriskinyouthandadults;howeverwithchronicdiseaseprevalencesohigh,similaremphasisisalsonecessaryforsecondarypreventioninthosechildrenandadultsalreadyinflictedwithchronicdiseases.Conditionssuchascardiovasculardisease,type2diabetes,obesity,andcanceraredrasticallyimprovedwhenPAandexercisearepartofamedicalmanagementplan.Inaddition,thenationalPAguidelinesinconjunctionwithPApromotiontoolslikeExerciseisMedicine?areneededtopromoteincreasedPAandexerciselevelsworldwide.

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简介：Thispaperdealswithanimportantsubjectofrejectingtheabnormaldataintelligentlyinthedynamicdatasystem.Basedontheprincipleofnearestneighboroffuz-zymathematics,anapproachofmathematicallyabstractingthehumanthinkingandphys-icalpracticeknowledgeisdiscussed,anewmethodofautomaticrejectionofabnormalda-taisthenproposed.Theexperimentalresultsshowthatthemethodisavailabletothepractice.

简介：ＮｅｗＣｏｌｏｒｉｍｅｔｒｉｃＰｙｒｏｍｅｔｅｒｗｉｔｈＯｐｔｉｃａｌＦｉｂｅｒＬｉｎｋ①ＺＨＵＧｕａｎｇｒｏｎｇ，ＬＩＵＬｉｗｅｉ（ＹａｎｓｈａｎＵｎｉｖｅｒｓｉｔｙ，Ｑｉｎｈｕａｎｇｄａｏ０６６００４，ＣＨＮ）Ａｂｓｔｒａｃｔ：Ｂａｓｅｄｏｎｔｈ...

简介：EversinceHelicobacterpylori（H.pylori）wasrecognizedasaninfectiouscauseofgastriccancer,therehasbeenincreasinginterestinexaminingitspotentialroleincolorectalcarcinogenesis.Datafromcasecontrolandcross-sectionalstudies,mostlyrelyingonhospital-basedsamples,andseveralmeta-analyseshaveshownapositivestatisticalrelationshipbetweenH.pyloriinfectionandcolorectalneoplasia.However,thepossibilityexiststhattheresultshavebeeninfluencedbybias,includingtheimproperselectionofpatientsanddisparitieswithrespecttopotentialconfounders.Whiletheevidencefallsshortofadefinitivecausallink,itappearsthatinfectionwithH.pylori/H.pylori-relatedgastritisisassociatedwithanincreased,althoughmodest,riskofcolorectaladenomaandcancer.Thepathogenicmechanismsresponsibleforthisassociationremainuncertain.H.pylorihasbeendetectedincolorectalmalignanttissues;however,thepossibilitythatH.pyloriisadirectactivatorofcoloniccarcinogenesisremainspurelyhypothetical.Ontheotherhand,experimentaldatahaveindicatedaseriesofpotentialoncogenicinteractionsbetweenthesebacteriaandcolorectalmucosa,includinginductionandperpetuationofinflammatoryresponses,alterationofgutmicrofloraandreleaseoftoxinsand/orhormonalmediators,suchasgastrin,whichmaycontributetotumorformation.