简介：2012年7月27日是伦敦奥运会开幕的日子。现在我们来了解一下奥运会的历史吧!

简介：中生代象鼻虫的第一个提要(Curculionoidea：翘目)被介绍。在中生代期间的家庭，类和种类丰富的变化揭示了三个分布模式。侏罗记(Karatau)动物志被Nemonychidae统治。在早白垩纪(在侏罗记/白垩纪边阶的开始)期间，Ithyceridae是流行的组，一个重要角色由Nemonychidae玩了。在迟了的白垩纪(Cenomanian和Turonian)，主要的组是Curculionidae和Brentidae。显然，象鼻虫动物志的变化在这个时期期间由于被子植物的扩大，它为象鼻虫开发在他们的植物、繁殖的机关提供了多重壁龛。

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简介：BasedonhistoricaldocumentsandrecordsthispaperanalyzesthecharacteristicsoffrequencyanddistributionofmajordisastersthattookplaceinthehistoryofChina.Thefindingsshowthatoccurrencesofdifferenttypesofdisastersvariedandspatialpatternatprovinciallevelaresignificantlydifferentaswell.Theresultsalsoindicatethatthereisastrongrelationshipbetweentypeofdisastersandspatialdistributionandthatthespatialpatternoflosseswasnotthesameasthatofthefrequency.Thereasonsare:(1)thehazard-formativeenvironmentswhich,toalargeextent,determinethespatialpatternofthedisastersaresignificantlydifferent;(2)thelossescausedbynaturaldisasterswerecloselyrelatedtotheconcentrationofeconomyandpopulation.Numberofdeathswasusuallylargeinareaswhereagriculture,cultureandbusinesswererelativelydeveloped.ThespatialpatternofdisasterlossesisanevitableresultofuneveneconomicdevelopmentinthehistoryofChina.

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简介：BackgoundEssentialhypertension(EH)isapolygenicinheritabledisease,generallyknownasacombinedresultofgeneticandenvironmentalelements.ItispossiblethatIR、AngiotensinⅡ(AngⅡ)andNOplayimportantrolesinthepathogenesisofEH.MethodsSixtynormalsubjectswithafamilyhistoryofEH,aged30to40yearsold,wererecruitedandrandomizedintotwogroups:30withoneparentand30withbothparentswithEH,and30subjectswithoutfamilyhistoryofEHascontrols.TheplasmalevelofNOwasdeterminedbyelectrophotometerwhiletheplasmaleveloffastinsulin(FINS)andAngⅡweredeterminedbyradioimmuno-assay,andinsulinresistanceindex(IRI)wascalculated.Results①TheplasmalevelsofFINS,AngⅡ,NOincreasedsignificantlyinstudygroupscomparedwiththoseinthecontrolgroup(P<0.01),whiletherewerenodifferencesinthelevelsofAngII,NObetweenthetwostudygroups(P>0.05).②TheplasmalevelofAngIIwerepositivelycorrelatedwiththatofNO(r=0.378,P<0.01).ConclusionsThehigherlevelsofIRandplasmaAngIIandNOexistbeforethedevelopmentofEHinnormaloffspringwithafamilyhistoryofEH,andmaybetheyareinitialagentsinthepathogenesisofEH.ItindicatesthatthepeoplewithIRandhighlevelsofplasmaAngⅡandNOwithafamilyhistoryofEHareathigherrisktodevelopEH.

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简介：提炼草食动物Marucavitrata赘言作家的四主人植物种的效果(鳞翅目：Crambidae)在发展时间，长寿，肥沃和parasitoidApantelestaragamaeViereck的性比率(Hymenoptera：Braconidae)在实验室条件下面被调查。幼虫被寄生于什么时候在第二中间形态。Marucavitrata幼虫用四荚的花被喂，也就是说Vignaunguiculata(豇豆)，Sesbaniarostrata，Lonchocarpussericeus和Pterocarpussantalinoides，或在parasitization前后的一本人工的食谱。parasitoid没在在L上喂的主人发展。sericeus或V。在25点的unguiculata?楤晳癡？

简介：BackgroundEssentialhypertension(EH)hasbecomethemostcommonchronicnon-infectiousepidemicandisoneofthemostcommonriskfactorsforthedamagetoheart,brain,kidneyandotherorgans.TheserumlevelsofICAM-1,IGF-1andIL-8playimportantrolesinthepathogenesisofEH.MethodsInthemedicalcheck-upcenteroftheAffiliatedHospitalofQingdaoUniversityMedicalCollege,sixtynormaloffspringwithafamilyhistoryofEHwererandomlyrecruitedintotwogroups:30offspringwithafatherormothersufferingfromEHassingle-parentgroup,and30offspringwithbothparentssufferingfromEHasdouble-parentgroup,andanother30normaloffspringwhoseparentsdidnotsufferfromEHascontrolgroup.TheserumlevelsofICAM-1,IGF-1andIL-8weredeterminedbyenzyme-linkedimmunosorbentassay(ELISA).ResultTheserumlevelsofICAM-1,IGF-1andIL-8weresignificantlyhigherinbothsingle-parentgroupanddouble-parentgroupthaninthecontrolgroup(P<0.05),andtheserumlevelsofICAM-1,IGF-1andIL-8werehigherinthedouble-parentgroupthaninthesingle-parentgroup(P<0.05).TheserumlevelsofICAM-1,IGF-1andIL-8werepositivelycorrelatedwiththeseverityofbloodpressureelevation(r=0.375,r=0.465,r=0.326,P<0.05,P<0.01,P<0.05respectively).ConclusionsDuetotheinfluenceofheredity,theseruminflammatoryfactorcontentsinnormaloffspringwithEHfamilyhistorymayincreasebeforebloodpressurerise.DetectionofseruminflammatoryfactorsinhealthyoffspringwithafamilyhistoryofEHcouldpredictoccurrenceofhypertension,andprovideamorereliablebasisfortheprimarypreventionofhypertension.