简介:摘要我国电力行业的发展直接影响着我国整体经济的发展。社会经济的快速发展,科学技术的进步,促使了“互联网+”概念的产生,而电力企业也逐渐重视“互联网+”模式的应用,在“互联网+电力营销”的环境背景下,电力企业开展电力营销工作时,为了能够有效提升电力营销的服务质量,电力企业就需要注重营销模式的创新,从而促使电力营销具有智能化以及个性化的特点,充分顺应适当发展的潮流,充分满足用电用户的需求,进而促使电力营销质量能够得到合理提升,促进我国电力企业的稳定发展。
简介:Thepolymerizationofethylenebytwoiron-basedcatalysts,{[2,6-ArN=C(Me)2C5H3N]FeCl2}(Ar=2,6-C6H3-Me21;2,6-C6Hv3(i-Pr)v2Ⅱ)hasbeeninvestigated.CatalystⅡproduceshighermolecularweightpolyethylene(PE)andbroadenedpolydispersitiesrelativetocatalystⅠunderanalogousconditionsandallpolymersarelinear.Thekineticprofileswithironcatalystsshowedasmoothpatternduringbothratebuild-upandratelowering,whicharedifferentfromthemetallocenecatalysts.ThepolymerizationactivityincreaseswithAl/Fevalueandanoptimumtemperaturerangeat40~45℃wasobserved.ThemolecularweightofPEdecreaseswiththeincreaseofAl/Feratioandriseofpolymerizationtemperature.