学科分类
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41 个结果
  • 简介:TheNorthYellowSeaBasin(NYSB),whichwasdevelopedonthebasementofNorthChina(Huabei)continentalblock,isatypicalcontinentalMesozoic-Cenozoicsedimentarybasinintheseaarea.ItsMesozoicbasinisaresidualbasin,belowwhichthereisprobablyalargerPaleozoicsedimentarybasin.TheNorthYellowSeaBasincomprisesfoursagsandthreeuplifts.Ofthem,theeasternsagisaMesozoic-CenozoicsedimentarysaginNYSBandhasthebiggestsedimentthickness;thecurrentKoreandrillingwellsareconcentratedintheeasternsag.Thissagiscomparativelyrichinoilandgasresourcesandthushasarelativelygoodpetroleumprospectinthesea.ThecentralsaghasalsoaccommodatedthickMesozoic-Cenozoicsediments.ThelatestresearchresultsshowthattherearethreeseriesofhydrocarbonsourcerocksintheNorthYellowSeaBasin,namely,blackshalesofthePaleogene,JurassicandCretaceous.TheprincipalhydrocarbonsourcerocksinNYSBaretheMesozoicblackshale.AccordingtothedrillingdataofKorea,theblackshalesofthePaleogene,JurassicandCretaceoushaveallcomeuptothestandardsofgoodandmaturesourcerocks.TheNYSBownsanintactsystemofoilgeneration,reservoirandcappingrocksthatcanhelphydrocarbontoforminthebasinandthusithasthegreatpotentialofoilandgas.TheverticaldistributionofthehydrocarbonresourcesismainlyconsideredtobeintheCretaceousandthenintheJurassic.

  • 标签: 地震序列 黄海北部盆地 新生代 华北大陆板块 地层比较
  • 简介:<正>InOctoberofthisyear,adesignevaluationmeetingonfeasibilitystudyofUHVDCtransmissionprojectwaspresidedoverbytheStateGridCorporation.Itindicatesthatthecorporationmadeagreatprogressinthepre-engineeringworkofUHVDCtransmission.TheUHVDCtransmissionprojects,whichsendelectricityfromJinshaRiverPhaseI(XiluoduandXiangjiabahydropowerstations)totheCentralandEasternChinaandfromJinping

  • 标签: ELECTRICITY CORPORATION EASTERN SUBSTATION institu
  • 简介:Aim:Tostudytheeffectofdiabetesmellitusandinsulintreatmentonratpenilenitricoxidesynthasecontent.Methods:MaleWistarratsweredividedatrandomintotwogroups:theControl(n=8)andtheDiabetic(n=17).Diabetesmellituswasinducedbyintraperitonealinjectionofstreptozotocin.Thediabeticanimalswerethenrandomlydividedintotwosubgroups:diabeticratswithoutinsulintreatment(n=7)anddiabeticratswithinsulintreatment(n=10).Theneuronalnitricoxidesynthase(nNOS)inthepenilecorpuscavemosumwereassayedbyimmumohistochemicalstainingwithspecificantibodytonNOSandthenNOS-positivenervefiberswerecountedsemiquantitativelyunderahighpowermicroscope.Results:ThenNOS-positivenervefibresindiabeticratswithtreatmentwashigherthanthatindiabeticratswithouttreatment(P<0.05)andlowerthanthatinthecontrols(P<0.01).ThenNOS-positivenervefibresindiabeticratwithouttreatmentwerealsolowerthanthatinthecontrols(P<0.01).Conclusion:Instreptozotocin-induceddiabeticrats,thenNOScontentinthepenilecorpuscavemosumwassignificantlydecreased.InsulintreatmentatthedoselevelemployedpartiallyrestoresthepenilenNOScontentintheserats.

  • 标签: 含氮氧化酶 糖尿病 胰岛素 链脲霉素 老鼠 生殖器官
  • 简介:Insufficientgrowthandrarefactionofcapillaries,followedbyendothelialdysfunctionmayrepresentoneofthemostcriticalmechanismsinvolvedinheartdamage.Inthisstudyweexaminedhistochemicalandultrastructuralchangesinmyocardialcapillaryendotheliumintwomodelsofheartfailurestreptozotocin-induceddiabetesmellitus(STZ)andNOdeficienthypertensioninmaleWistarrats.Diabeteswasinducedbyasinglei.v.doseofSTZ(45mg/kg)andchronic9-weekstagewasanalysed.ToinduceNO-deficienthypertension,animalsweretreatedwithinhibitorofNOsynthaseLnitroargininemethylester(L-NAME)(40mg/kg)for4weeks.Leftventriculartissuewasprocessedforenzymecatalytichistochemistryofcapillaryalkalinephosphatase(AlPh),dipeptidylpeptidaseⅣ(DPPⅣ),andendothelialNOsynthase/NADPH-diaphorase(NOS)andforultrastructuralanalysis.Indiabeticandhypertensiverats,lower/absentAlPhandDPPⅣactivitieswerefoundinfocalmicro-areas.NOSactivitywassignificantlyreducedandpersistedonlylocally.QuantitativeevaluationdemonstratedreductionofreactionproductintensityofAlPh,DPPandNOSby49.50%,74.36%,20.05%indiabeticand62.93%,82.71%,37.65%inhypertensiverats.Subcellularalterationsofendothelialcellswerefoundinheartofbothgroupssuggestinginjuryofcapillaryfunctionaswellascompensatoryprocesses.Endothelialinjurywasmoresignificantindiabeticanimals,incontrasttheadaptationwasmoreevidentinhypertensiveones.Concluding:bothSTZ-induceddiabetes-andNO-deficienthypertension-relatedcardiomyopathywereaccompaniedbysimilarfeaturesofstructuralremodellingofcardiaccapillarynetworkmanifestedasangiogenesisandangiopathy.Thelatterwashowever,predominantandmayacceleratedisappearanceofcapillaryendotheliumcontributingtomyocardialdysfunction.

  • 标签: 超微结构 组织化学 小鼠 心肌疾病 毛细血管 糖尿病
  • 简介:Inthispaper,anewdevelopedmulti-channelpre-processingcircuitforsignalsfromtemperaturesensorwasintroducedinbrief.Thiscircuitwasdevelopedtocollectandamplifythesignalsfromtemperaturesensor.Thisisauniversalcircuit.Itcanbeusedtoprocessthesignalsfromthermocouplesandalsousedtoprocesssignalsfromthermistors.Thiscircuitwasmountedinastandardbox(440W×405D×125Hmm)asaninstrument.The

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  • 简介:在现在的学习,胰腺的小岛房间的ultramicrostructure的fasting血葡萄糖(FBG)集中和浆液胰岛素集中和chenges被用作这些索引在试验性的糖尿病mellitus(DM)的处理评估aurioular针灸的治疗学的效果并且在兔子.Thirty分析ist机制--二只兔子随机被划分成控制,模型,针灸和药有在每个group.DM模型的8个盒子的组被建立由静脉内两个组的处理每天被给一次,20个会议完全。在处理(20个会议)的2堂功课以后,与预告的处理和模型组比较,FBG在针灸和药groupsd满足的结果显示显著地减少了(P0.01),当胰岛素显著地针灸和药组increaesd满足时(P0.05)。在FBG和胰岛素内容的针灸和药组之间的没有重要差别。因此,显微镜的dbservation显示出的电子在Iysosomebeing的部分organells的一些改进少数,核仁的胀大的减小,在两个acupucture组的等等和药组。它显示出胰的小岛房间的结构的那恢复,合成的增加和胰岛素以及胰岛素mayy的活动的版本在DM兔子在lowring血葡萄糖水平贡献耳的针灸的效果。

  • 标签: 糖尿病 DM 血糖中 中医疗法 针刺疗法 胰岛素抵抗
  • 简介:普通糖蛾的女成年人的预先叫的行为,Spodopteralitura(鳞翅目:Noctuidae)在南部的日本和东南的亚洲人镇定国家被调查。大多数女性开始拜访天1—4在成年出现以后。在在九州大陆在英雄传奇府获得的三张人口,日本,预先叫的二个不同模式时期(五氯酚)被观察:一个人是上述大多数个人显示出的模式,和其它是女性们性在出现以后在几个小时以内在成熟的一个模式。Dielperiodicity在叫活动的时间被显示出,并且它在叫populations.Pre时期之中改变的模式在在实验室的连续的代上是稳定的。

  • 标签: 日本 东南亚地区 地理变化 迁移距离 昆虫
  • 简介:Albiziasaman(Jacq)F。Muell。通常作为雨知道树种子与五预先播种被对待学习预先播种的效果的处理在托儿所的萌芽和起始的幼苗开发上的处理。实验在林地和环境科学的研究所的托儿所被建立,Chittagong的大学,Chittagong,孟加拉国。结果揭示了在种子的一个方面抓紧的那根钉子(在theseed的远侧的结束)(T_4)提供(50%)最高播种萌芽。第二最高的萌芽(42%)为为24h(T_1)在冷水里与沉浸对待的种子被获得。当为30s在煮的水里沉浸的种子在为24h浸泡的冷水里列在后面时,萌芽完全被禁止。另外的萌芽参数和起始的词法生长和幼苗的生物资源生产与控制(T_0)相比为处理T_4和T_1也是更高的处理。例如钉子在一个抓紧的T_4的预先播种的处理种子站在一起(在种子的远侧的结束)并且T_1(为24h在冷水里沉浸的种子)可以在托儿所为最大的萌芽和Albiziasaman的起始的精力旺盛的幼苗生长被推荐。

  • 标签: 树苗 种子处理 发芽率 生长性能 形态分析
  • 简介:MidwivesintheWellingtonregionhavenotedthatwomenreceivingprebirthacupunctureconsistentlyexperiencemoreefficientlabours.Midwivesreportthatthelengthoflabourisreduced,particularlyinprimigravidwomen,withareductioninmedicalinterventionrequired.Thispaperwillevaluateanauditof15midwiveswhohavecompletedaspecializedtrainingprogrammeinacupunctureandcurrentlyofferprebirthacupunctureasanadjuncttotheirmidwiferypractice.

  • 标签: 针灸疗法 中医治疗 分娩过程 药物干预
  • 简介:ObjectivesTostudyclinicalandcoronaryangiographicfindingsinpatientswithbothcoronaryheartdiseases(CHD)andtype2diabetesmellitus(T2DM).Methods215patientswithCHDconfirmedbycoronaryangiographywereinvolvedinthisstudy.Thepatientsweredividedintotwogroups:74CHDpatientswithT2DM(meanage64.7±8.2years,male/female47/27),and141CHDpatientswithoutT2DM(meanage66.2±9.2years,male/female100/41).Theclinicalfeaturesandthedatafromselectivecoronaryangiographieswerecomparedbetweentype2diabeticandnon-diabeticCHDpatients.ResultsComparedtonon-diabeticCHDpatients,thepatientswithbothCHDandT2DMsufferedmorefromacutemyocardialinfarction,silentischemiaandseverearrhythmias(P<0.01,P<0.05),andhadhigherserumtriglyceridesandapo-lipoproteinB,alongwithincreasedserumuricacid(P<0.01,P<0.05),increasedleftventricularenddiastolicdiameter(P<0.01),anddecreasedleftventricularejectionfraction(P<0.001).Comparedtonon-diabeticCHDpatients,thepatientswithbothCHDandT2DMsufferedmorefromtriplevesseldisease(P<0.01),severecoronaryarterystenosis,completeocclusionsanddiffuselesions(P<0.001).ConclusionsSevereclinicalmanifestation,leftventriculardysfunction,diffuseorcomplicatedlesionsofcoronaryarteriesweremorecommoninpatientswithbothCHDandT2DM,itsuggeststhatthetype2diabeticCHDpatientshavepoorprognosis.

  • 标签: CORONARY HEART DISEASE Type 2diabetes MELLITUS
  • 简介:TheeffectofPentoxifylline(PTX)ontype1diabeteswasinvestigatedbymeansofthestudiesontheexpressionsofcytokinemRNAinpancreasandtheFas-Fasl,onisletcellsofNODmice.NODmiceweretreatedwithFFXfrom4-6wk,andthenfrom8-12wk.Aftertreatment,itwasfoundthattheincidenceofdiabetesinNODmiceatagesof30wkwasreducedto25%ingroupofmicetreatedwithPTX,incomparisonto73.3%incaseofmiceinjectedwithPBS,andthedegreeofinsulitisinthePTXtreatedmicewaslowerthanthatofthePBSinjectedmice.RT-PCRanalysisrevealeddown-regulatoryeffectontheexpressionsofIFN-γandTNF-αmRNAinPTXtreatedmice,buttherewasnoanyeffectontheexpressionofIL-10.AstotheexpressionofFas,therewasmarkeddecreaseinthemeancytoplasmicintegralopticaldensity(IOD)inPTXtreatedmice,buttherewaslittledifferencebetweenFIXandPBSgroupsintheexpressionofFasL.TheseresultsindicatedthatFIXcouldpreventthedevelopmentofdiabetesinNODmice,whichmightberelatedtotheregulationofTh1/Th2imbalanceandthedecreasedexpressionofFasinisletcells.

  • 标签: 己酮可可碱 预防作用 自身免疫性 糖尿病 靶组织细胞因子 Fas-FasL配体
  • 简介:Twograftingmethods,i.e.solutiongraftingandpre-adsorbing,areintroducedtocovalentlyimmobilizehydrophilicpolymersonsegmentedpolyurethane(SPU)tomodifyitshydrophilicityandtoimproveitscellcompatibility.Solutiongraftingresultsinhigherdegreeofgraftingandroughersurfacemorphology.Cellcultureevaluationdemonstratesthatthemodifiedmembranesthusobtainedaredisadvantageoustotheendothelialcell(ECs)growthprobablybecausethehydrophilicgroupsonthesurfaceareover-crowded.However,pre-absorbinggraftinggenerateslowerdegreeofgrafting,whichisdetectedandconfirmedbyATR-FTIRspectraandwatercontactangle.Scanningelectronmicroscopic(SEM)measurementshowsthatthelattermethodproducesaplaneandsmoothmorphology,whichissimilartotheSPUcontrolsamplecontrolled.Whengraftingwithlowermonomerconcentration,ECscouldgrowonSPU-g-PHEA[poly(2-hydroxyethylacrylate)],SPU-g-PAAm(polyacrylamide),SPU-g-PDMA[poly(2-(dimethylamino)ethylmethacrylate)]orquaternizedSPU-g-PDMAsurfacewithelongatedcellshapes.Hence,thecellcompatibilityofSPUisimprovedandausefulmethodtoconstructacellcompatiblelayeronthepolymersurfacehasbeendeveloped.``

  • 标签: SEGMENTED polyurethane CELL compatibility Surface grafting
  • 简介:Consideringtheheterogeneityofgeomechanicalmaterials,seismicityduringbrittlerockfailureundercompressiveloadingonthesamplewithanoriginalweakzoneissimulatedbyusingrockfailureprocessanalysiscode(RFPA2D).Therun-throughprocessofweakzone,theformingofnewfaultandassociatedmicro-seismicitiesarestudied.Themodelingdemonstratesthetotalprocessofsourcedevelopmentofearthquakefromdeformation,micro-failuretocollapseandthebehavioroftemporal-spatialdistributionofmicro-seismicities.Thestress,strainandthetemporal-spatialdistributionofmicro-seismicitieslife-likelyportrayedthephenomenaoflocalizationandtemporal-spatialtransitions,whichissimilartothoseobservedinourrealcrust.Also,theresultsobtainedinsimulationsareinagreementwithorsimilartothereportedexperimentalobservations.

  • 标签: pre-existed WEAK ZONE ROCK FAILURE micro-seismicity
  • 简介:ReportedinthispaperaretheNdisotopiccompositionsofthepre-SinianandSinian-CambriansedimentaryrocksintheXiushuiarea,JiangxiProvince.SignificantdifferencesarenoticedbetweenthemintheirNdisotopicdompositions.Asforthepre-Sinianlightlymetmorphozedsedimentaryrocks,^143Nd/^144Nd=0.512000-0.512214,CNd(T)=-8.04-9.99,andTDM=18332426MaaresuggestedfortheSinian-Cambriansedimentaryrocks.ThesedifferenceswouldreflectthediversityofmaterialsourceforthesedimentaryrocksdepositedbeforeandaftertheSinianperiod.Mantlematerialap-pearstohavebeeninvolvedintheformationofthepre-Siniansedimentaryrockswhilethepost-Siniansedimentaryrocksarecomposedmainlyofrecycleddetritusfromthecontinentalcrust.

  • 标签: 钕同位素 沉积岩 江西 地质 成因 地壳
  • 简介:ObjectivesTostudythestatusoffibrinolyticinhibitioninpatientsofacutecoronarysyndrome(ACS)complicatedwithtypeⅡdiabetesmellitus(NIDDM)andtoevaluatetheeffectoffibrinolyticinhibitiontotheclinicalprognosis.MethodsTypeⅡdiabetesmellituswasdefinedbyADA1997/WH01998criteria.Thesubjectsweredividedintotreatmentgroupsthatincluded39patientsofACSwith20casesofacutemyocardiacinfarction(AMI),36patientsofACS+NIDOMwith20casesofAMI.Twentycasesofhealthypeoplewererandomizedtocontrolgroup.Theplasmaleveloftissuetypeplasminogenactivator(t-PA),plasminogenactivatorin-hibitortype-1(PAI-1)andplasmaD-dimerweredetectedbyusingelisatechnique.TheindexofstatueinfibrinolysiswasdetectedwiththeplasmalevelofD-dimerandtherateofPAI-1/D-dimerinpercentage.ThisindexwasusedtoevaluatethefibrinolyticinhibitionandtheclinicaloutcomeinallthepatientswithAMIintreatmentgroups.TheclinicaloutcomeinpatientswithAMIconsistedoftherateofreperfusion,theincidencesofreinfarction,severi-ousarrhythmia,pumpfailureanddeathintheearlyperiodofAMI.ResultsTheplasmalevelofPAI-1andD-dimerwashigherinthetwotreatmentgroupsthanthatinthecontrolgroup(P<0.01).TheplasmalevelofPAI-1significantlyhigherinACS+NIDDMpatientsthanthatinACS(P<0.05),buttheplasmalevelofD-dimerraisedfrombasiclevelwassignificanflylowerinACS+NIDDMthanthatinACS(P<0.05).TherateofPAI-1/D-dimerinpercentagewassignificantlyhigherinACS+NIDDMthanthatinACSorincontrolgroup(P<0.01).ForAMIpatientsintwotreatmentgroups,therateofreperfusionafterthethrorabolytictherapywassignifi-candylowerinACS+NIDDMthanthatinACS(P<0.01).TherateofincidencesinpumpfailurewassignificantlyhigherinACS+NIDDMthanthatinACStoo(P<0.05).Themorbidityofseveriousarrhythmia,re-infarctionandthemortalitywerealsohigherinACS+NI

  • 标签: 冠状动脉综合症 2型糖尿病 纤维蛋白溶解抑制剂 临床疗效
  • 简介:Conditionsaregivenforcontrollability,outputcontrollabilityandlocalidentifiabitityofaparametrizationinasubsetofoflineardifferentialsystemswithtime-lags.

  • 标签: 删出 舶脚 广州 可口
  • 简介:ObjectiveToprovethehypothesisthatthereareassociationsbetweenbodyweightandinsulinresistanceinessentialhypertension,X-syndromesandtype-2diabetes.MethodsWeexaminedthebodymassindex(BMI)andinsulinsensitveindex(ISI)among70hypertensives,39X-syndromes,33type-2diabetesand46controls.ToobservetherelationsbetweenthedegreesofobesityandLSIinallstudygroups.Seventypatientswithhypertension[70hypertensives,48menand22women,meanage(69.3+6.7)years],39X-syndromes[27menand12women,meanage(66.4+6.2)years],33type-2diabetes[21menand12women,meanage(68.7±7.3)years],and46healthycontrols[36menand10women,meanage(66.1+6.6)years].Duringstudyperiod,nopatientsdied.ResultsAllpatientsofhypertensives,X-syndromesandtype-2diabeteshaveinsulinresistance,BMIinallpatientswassingnificantlyhigherthanincontrols.Thelevelsofbloodglucoseandinsulinweresignificantlyhigherinobesehypertensive

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