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20 个结果
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  • 简介:胃的胃肠的stromal肿瘤的stagesIandIII之间的差别主要取决于有丝分裂的数字。与TNM分类,在高有丝分裂的率的肿瘤的存在决定升级。许多研究在评估有丝分裂的数字暴露了不同计数技术。估计有丝分裂的率的一个国际标准化方法被需要。

  • 标签: 有丝分裂 胃肠道 肿瘤 间质 技术评估 国际标准化
  • 作者: Xie Zhengde
  • 学科: 医药卫生 >
  • 创建时间:2020-08-13
  • 出处:《儿科学研究(英文)》 2020年第01期
  • 机构:National Clinical Research Center for Respiratory Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Key Laboratory of Pediatric Respiratory Infection diseases, Research Unit of Critical infection in Children, Chinese Academy of Medical Sciences 2019RU016, Laborat
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  • 简介:Alongwiththeprogressofurbanizationandenviron-mentaldeterioration,residents’desireforimprovedairqualityisincreasing.Inordertoquantifyanindividual’swillingness-to-pay(WTP)forimprovedairqualityinJinanofeasternChina,acontingentvaluationmethod(CVM)wasemployed.Asampleof1,500residentswaschosenonthebasisofmultistagesamplingmethodswithface-to-faceinterviewsbyusingaseriesofhypo-thetical,open-endedscenarioquestionswhichweredesignedtoelicittherespondents’WTP.Resultsshowedthat59.7%ofrespondentswereabletoexpresstheirWTPandthemeanWTPis100ChineseYuan(CNY)perpersonperyear.AprobitmodelontheprobabilityofapositiveWTPandaregressionmodelweredevelopedtofindtherelationshipbetweenendogenousvariablesandWTP.Mostparametersintheeconometricanalysishadtheexpectedsign.AnnualhouseholdincomeandexpenditureontreatingrespiratorydiseasessignificantlyinfluenceWTP.TheratesofpositiveWTPandthemonetaryamountarelargerformenthanforwomen.Resultsalsoshowedthatpeoplewholivedinmorepollutedareaswerewillingtopaymoreforcleanair.Unlikedevelopedcountries,cleanairmayonlybeconsideredasapublicgoodinChinainthatmorethan40%ofrespondentshadnoincen-tivetobearthecostsofattemptingtoachievebetterairquality,whichindicatestherelativelylowenvironmentalconsciousness.

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  • 简介:Althoughchemicalcontrolofpestsincreasescropproduction,itbringsalotofdamagetoenvironmentandhumanhealth.Thereexistanumberofalternativemethodsthatarenotsoharmfultoenvironmentandhumanhealth.However,whetherandhowmuchinextentthesetechnologiesadoptedareplausibledependsonthecomparisonofbenefit-costbetweenchemicalcontrolandthealternativecontrolmethods(suchasIntegratedPestManagement,IPM)andfarmers'willingness-to-pay(WTP)forenvirormentandhumanhealth.Usingcontingentvaluationmethod(CVM),theauthorinvestigatesfarmers'WTPforenvironmentandhumanhealth,recognizesthefactorsinfluencingWTP,andaccordinglypointsouttheimportanceofpestcontroltechnologyextensionandgovernmentregulationofpesticides.

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  • 简介:ZouYan,female,researcher,majoringinevidence-basedmedicine,graduatedfromWestChinaSchoolofMedicine,SichuanUniversityandgainedadegreeofMedicalDoctor.Shehadbeenengagedinclinicalworkofobstetricsandgynecologyfortenyears.Currently,sheworksasHeadofWomenClinicalLaboratoryintheScientificResearchInstituteofNationalHealthandFamilyPlanningCommission,andamasterinstructorofDepartmentofObstetricsandGynecologyinPekingUnionMedicalCollege.

  • 标签: 青少年 临床实验室 怀孕 循证医学 科学研究所 中国西部
  • 简介:自2014年10月苹果公司推出ApplePay手机支付功能以来,其业务得到迅猛发展。介绍ApplePay的基本情况、在美国本土的发展、对我国市场的开拓,以及对我国移动支付业务的影响。

  • 标签: APPLE PAY 发展 移动支付 影响
  • 简介:Weusestructuralequationtechniquetotestfourhypothesisrelationshipsbetweenthemanagerialpayandfirmperformance.Datafrom208Chineselistedcompaniesisused,theevidencesupportsHypothesis3.Itopensoutthatownershipconcentrationaffectsfirmperformanceindirectlythroughmanagerialpay,andillustratesmanagerialpayisavalidmechanismincorporategovernancetomotivatemanagertomaximizefirm'sperformance.Atthesametime,wefindownershipconcentrationisnegativetomanagerialpay,whileIPOtimeandregistrationareasarepositivetomanagerialpayobviously.Itsuggeststhatfindingacorrectsolutiontomanagementincentiveisthekeytoimprovefirmperformance.

  • 标签: 经理 工资 结构方程 上市公司 中国
  • 简介:Publicwillingnesstopay(WTP)forurbanriversrestorationwasinvestigatedinShanghai,NanjingandHangzhouinChinawithasampleof1,285.ThefactorsinfluencingpositiveWTPagainstzeroWTPareanalyzedusingabinarylogitmodel.Theresultsindicatethatincome,Huji(residentialregistration)status,householdsize,homepropertyownership,riverfrontaccess,andattitudestowardcurrentwaterqualityarestatisticallysignificantinthelikelihoodofpositiveWTP.ItisalsofoundthatrespondentswithoutlocalHujiarelesswillingnesstopaypositivelyinpooledsampleandShanghaisample.InthegroupholdingpropertyrightofhousebutwithoutlocalHujiislesswillingnesstopaypositivelyinHangzhou.RespondentsinNanjingaremorewillingnesstopaypositivelythanthoseinHangzhou.Mostcommonargumentsagainsttopayfortherestorationare"government’sduty","lowincome","non-local-Huji"and"lackoftrustinthegovernmentinhowitspendsmoney".TheresultsaregenerallyconsistentwiththehypothesisandspecificsituationsinChina.Thefindingsmakesomecontributionstothenon-marketvaluationstudiesaswellasprovideusefulinformationforpublicpolicymakinginChina.

  • 标签: 城市河流 长江三角洲 河道整治 Logit模型 居民 支付意愿
  • 简介:TheCountryParksofHongKongoccupy40%ofthetotallandmassofHongKong,andconsistsofvastareasofsecondarywoodlands,scrublands,grasslands,andreservoirs.Thatvegetation-andthesoilunderneathsubtractcarbonfromtheatmosphere,whichhasamarketvalue.Theaimofthispaperistoestimatethevalueofthatcarbon,toassesswhetherthatvaluewouldbesufficienttopayfortheupkeepoftheCountryParks,andtocomparethatvaluetothecostsofalternativewaystoreduceatmosphericcarbondioxide.Todothis,wecomparethelandcoverof1978,1991,1997and2004usingremotesensing,andidentifythethreepredominantlandcovers(woodlands,scrublands,grasslands).WethenestimatetheamountandvalueofthecarbonsequesteredbythevegetationandsoiloftheCountryParks,andcompareittothebudgetavailabletotheAgriculture,FisheriesandConservationDepartmenttoruntheCountryParks(HK$234millionin2009/2010).Weextrapolateourresultsover50years,from1978to2028.Weconcludethatby2028thecarbonsequesteredwouldbevaluedoverHK$800million,butthevalueoftheadditionalcarbonsubtractedyearlywouldonlycoverapproximately7%ofthetotalbudgetneededtoruntheCountryParks.WealsoconcludethatbecauseofthelargebudgetallocatedtotheCountryParks,alternativemethodsofcarbonsequestration-representedbytheEUETSpriceofcarbon-aremuchcheaper.

  • 标签: 二氧化碳 郊野公园 香港 新经济 市场价值 保护
  • 简介:全球领先的人力资源、薪酬、税收和福利管理外包服务提供商ADP公司近日宣布,亨特石油公司已选择采购Procure-to—Pay解决方案平台,以实现采购和应付账款流程自动化。亨特石油公司是一家在美国、加拿大、中东、南美等国家和地区均有业务运营的私人发掘生产公司,其已成功地进行了75年石油作业,并成为世界领先的独立能源公司之一。

  • 标签: 石油公司 ADP 协议 服务提供商 人力资源 福利管理
  • 简介:高速赛车在眼前一晃即逝,凄厉的声浪震耳欲聋,幻影般的瞬间停留在脑海里,追逐,碰撞,超越,拼争,那激烈搏斗的目标在哪里?

  • 标签: SPEED 幻影 FOR 方程式 中国