简介:摘要:现阶段,随着科学技术水平的不断提升,我国机械电气机电一体化技术得到了广泛的应用和发展,并且取得了非常明显的成果。PLC技术是机电自动化技术中非常重要的一项技术,其应用范围非常广泛,具有很强的应用价值。所以,一直以来,对 PLC 技术的研究力度非常高,希望通过这种技术来保障机械电气控制水平的不断提升,确保机械电气产业实现更好的发展。基于此,本文就以机械电气控制装置PLC 技术为主要研究对象,在分析了 PLC 技术概念、应用优势、主要控制类型的基础上,对机械电气控制装置 PLC 技术步骤进行了重点分析介绍。希望以此为我国电气工程的健康发展提供一些有价值的参考。
简介:Companiescandomanybusinessopportunitiesthatdrivethegrowthrateofthecountry’seconomy.Butontheothersideoftherateofeconomicgrowth,visiblesocialgapandenvironmentaldamageoccurred.Therefore,thecompanymustrunitsoperationsbynotonlyfocusontheinterestsofthecompany(shareholder),butalsolookatthesocialandenvironmentalinterests(stakeholder)byimplementinggreenbusinesswhichistheapplicationofcorporatesocialresponsibility(CSR).Thisstudyaimstodeterminetheeffectofprofitability,leverage,andgrowthoncorporatesocialresponsibilitydisclosure(CSRD)ordisclosureoftheimplementationofgreenbusinessoffoodandbeveragecompanieslistedontheIndonesiaStockExchange(BEI)2013to2015whichisthepopulationofthisstudy.Thisgroupofcompaniesistakenastheobjectofresearchbecauseinthoseyearsthegroupofcompaniescontinuestoexperiencegrowthandcontributethelargesttogrossdomesticproduct(GDP)comparedtoothergroupsofcompanies.ThisresearchcanbeinputformanyothercompanieshowconditiononCSRDinfoodandbeverageconditionseenfromfinancialfactors.Thetypeofresearchisdescriptivequantitativewithhypothesistestingandcausalmethod.Theresultofthisresearchprovesthatprofitabilityvariablewithreturnonassets(ROA)indicatorinfluencesignificantlyandpositivelytoCSRD,whileleverageandgrowthdoesnotsignificantlyinfluenceCSRD.
简介:ToanalyzeChina'sfluctuatingsituationofthefactorinputandaggregativeproductivityisnotonlythemainmethodtoseekthesourceoftheeconomicgrowthbutalsothemainwaytoweighthelevelofeconomicgrowthquality.Astoeconomicgrowthofacountry,theimprovementoftheproductivityisextremelyimportant.Thegrowthoftheoutputcanberealizedthroughtwokindsofways:increasingthequantityoffactorinputoforimprovingtheeffciencyoftheinputandoutput.Therefore,thelevelofeconomicgrowthquafitydoesnotmainlydependontheamountofinvesTedfactor,buttheimportanceofimprovingtheprodutivitysincePesourcesarerare.Therelativeimprovementofefficiencyinuseoftheinvestedfactormarkstheeconomicgrowingquality.So,inordertounderstandtheeconomicgrowthquafityofChinatosomeextent,itmustanalyzeChinesefactorinputandaggregativeproductivity.Thisisthemaintopicthatthistextwiltbeprobedinto.
简介:IntegratedwithGISandremotesensing(RS)technology,asystematicanalysisanditsmethodologyforhuman-settlementssocialenvironmenthasbeenintroduced.Thismethodologyhasbeencalledspatialtrendfieldmodel(STFM).STFM'sapplicationhistoryinthefieldofhuman-settlementssocialenvironmenthasbeendiscussedatfirst.Then,someindexdatamodelshavebeencreatedthroughSTFM,whichincludepopulationdensitytrendfield,humanactivitystrengthtrendfield,city-townspatialdensitytrendfield,urbanizationratiotrendfield,roaddensitytrendfield,GDPspatialdensitytrendfieldandPER-GDPspatialdensitytrendfield.Withallabove-mentionedindexesasinputdata,throughIterativeSelf-OrganizingDataAnalysisTechniquesAlgorithm(ISODATA),thispapermakesaverificationstudyofChongqingmunicipality.TheresultofthecasestudyconfirmsthatSTFMmethodologyiscredibleandhashighefficiencyforregionalhuman-settlementsstudy.
简介:ThisprojectistoevaluatethebenefitsoftheMFNstatusandtheconsequencesofnon-MFNrenewalontradesbetweenChinaandtheUnitedStates.ThispaperalsorevealstheeffectsofquotaremovalonclothingandtextileproductsoninternationaltradesbetweentheUnitedStates,China,HongKong,Taiwan,andIndia.Dataanalyses,statistics,andcharts,thechangesinChina’snumberofexportstotheUnitedStates,inparticular,theapparelandtextilesectorswereselectedtoanalyzefrom1995to2005.
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简介:摘要:plc技术,可以实现农业自动化生产、加工,扩大农业生产规模,提高生产效率,进而推动我国由传统农业向现代化农业的转型升级,加速推进我国农业现代化进程。为了更好地推广 PLC技术,促进我国农业机械设备的自动化、智能化发展,笔者首先从PLC技术的概念和特点入手,系统分析了PLC设备在农业机械电气自动控制领域的实际应用;然后详细阐述了PLC技术在农业机械电气自动控制应用中还存在着研究投入有待提高、PLC技术研发与实际需求不同步等问题,并就其未来在实际运用过程中可能面临的困难展开了探索和研究;最后,有针对性提出了加大PLC技术与农业生产机械电气自动化的融合力度、制定与实施惠农扶持政策等措施,以期为相关人员提供参考。