简介:摘要目的研究分析且末县职工体检者血脂血糖状况。方法对其进行空腹静脉抽血检查,血糖(GLU)采用终点法测定,总胆固醇(TC)和甘油三酯(TG)采用氧化酶法,其检测结果进行比较分析。结果测定结果发现,血糖含量的高于正常值占21.39%(男12.64、女8.75%),胆固醇含量高于正常值占11.29%(男7.01%、女4.28%),甘油三酯高于正常值占26.85%(男18.48%、女8.37%),结果显示TG、GLU例增高明显,其次是TC增高者占一定比例,且男性高于女性。结论本地职工体检者的血脂血糖水平相对偏高,而血脂血糖的异常是导致动脉粥样硬化和冠心病的危险因素,已经成为威胁中老年人健康的主要病症,在今后的临床预防和治疗工作中,我们应该对该现象给予充分的重视。常伴发有高血糖、高血脂现象,易引起全身动脉粥样硬化,是心脑血管疾病发生、发展的基础。
简介:ThehotdeformationbehaviorofTC18alloyatstrainratesrangingfrom1910-4to1910-2s-1andtemperaturesrangingfrom25to800°CwasstudiedusingaWDW-300electronicuniversaltestingmachine.Therelationshipsbetweentruestressandtruestrainshowthatflowstressdecreaseswiththeincreaseoftemperatureandincreasesasstrainrateincreases.Theeffectofstrainrateontheflowstressbecomespronouncedathighertemperatures.Atroomtemperature,theriverpatterncharacteristicofbrittlefractureandthedimplepatterntypicalofductilefracturearefoundtoexistindifferentregionsoffracturesurfacesofthesamples.AnimprovedconstitutiverelationshipisproposedtoaccuratelydescribetheflowstressofTC18byconsideringtheeffectofstrain.Andamicroscopicmodelisalsodeducedwhichcanlinkthephysicalmechanismstothemacroscopicexperimentalresults.Agoodagreementisobtainedbetweenthepredictionsofthemicroscopicmodelandtheresultsofthemacroscopicexperiment.
简介:Thenormallycenteredelectronbeamandnon-centeredelectronbeamweldingofTiAltoTC4wasinvestigatedinordertoanalyzetheelectronbeamweldabilitybetweenTiAl/TC4dissimilarmaterials.MacroscopiccoldcrackeasilyoccurrednearTiAlsubstrateinthejoints.Theoptimaltensilestrengthwasrelatedtotheweldingheatinput.Theweldstructureswerecomposedofbulkycolumnargrainsandequiaxedgrains.Theisolatedphasesconsistedoflargequantitiesofα2-Ti3Alphase,smallquantityofB2phase,γ-TiAlphaseandYAl2phase.InsufficientmeltingofthebasemetaloccurredintheweldwhenthebeampositionleanedtotheTC4side.Thetensilestrengthcouldbeimprovedwhenthedeflectionwaslimitedintheoptimumrange.Otherwise,non-fusionzonewaseasilygeneratedintheweld,whichledtothelowtensilestrength.
简介:用有1.875X1-875的决定的T63L16分析数据,纬度和经度的度从国家气象学的中心(NMC)和热带气旋的真实中央位置信息获得了(此后叫作TC)由NMC数了,在在1996的25TC的126个次层次的基本环境因地球自转而引起的流动是计算的。流动的竖直分布特征被分析。而且,真实TC的偏差从流动追踪(作为也就是,此后驾驶偏差参考了在TC的真实中央位置和根据驾驶计算的位置之间的偏差流动)也被调查。如果领域过去常推测驾驶流动是不同的,结果证明驾驶偏差将是不同的。现在的纸获得最佳领域尺寸计算驾驶流动。驾驶偏差与自己驾驶TC的流动和起始的纬度和紧张的速度有关,这被发现,并且那个TC运动与vertical有关系砍环境因地球自转而引起的流动的结构。结果也证明驾驶流动的最佳是从1000hPa的深层的平均基本流动到200hPa。有原则和特征将帮助做TC运动的精确预报的这些的知识。
简介:目的:探讨在运动试验中,Q-Tc、Q-Tr和Q-Tcd对冠心病诊断的价值.方法:分析经冠状动脉造影证实的98例冠心病患者与51例非冠心病患者,平板运动试验和运动后即刻体表12导联心电图Q-Tc、Q-Tr和Q-Tcd变化,及其预测冠心病的准确性.结果:Q-Tc、Q-Tr的敏感性、特异性,阳性预测值及诊断准确率,分别为84%、76%、83%、81%与69%、88%、89%、77%,与ST段降低相比无明显差异,提示其诊断价值相似;与心血管照影资料对照,上述指标能反映冠脉病变程度:Q-Tcd的敏感度低(58%),而特异性高(94%),其诊断准确性(73%)与其他指标相比无明显差异,故亦有应用价值.结论:运动中Q-Tc,Q-Tr,Q-Tcd与ST段下移标准对冠心病诊断有应用价值.
简介:Theeffectsofprocessparametersonthemicrostructuralevolution,includinggrainsizeandvolumefractionoftheαphaseduringhotformingofaTC6alloywereinvestigatedusingcompressiontests.Experimentswereconductedonthematerialwith(α+β)phasesatdeformationtemperaturesof800,860,920,and950°C,strainratesof0.001,0.01,1,and50s-1,andheightdirectionreductionsof30%,40%,and50%.Afterreachingapeakvaluenear920°C,thegrainsizeandvolumefractiondecreasewithfurtherincreaseofdeformationtemperature.ThestrainrateaffectsthemorphologiesandgrainsizeofαphaseoftheTC6titaniumalloy.Atalowerstrainrate,theeffectofthestrainrateonthevolumefractionisgreaterthanthatatahigherstrainrateundertheexperimentalconditions.Theeffectsofthestrainrateonthemicrostructurealsoresultfromdeformationheating.Thegrainsizeoftheαphaseincreaseswithanincreaseinheightdirectionreductionafteranearlydrop.Theeffectofheightdirectionreductiononthevolumefractionissimilartothatofthegrainsize.AlloftheopticalmicrographsandquantitativemetallographyshowthatdeformationprocessparametersaffectthemicrostructureduringhotformingoftheTC6alloy,andacorrelationbetweenthetemperature,strain,andstrainrateappearstobeasignificantfuzzycharacteristic.