对LonW orks监控系统的客户/服务器结构、浏览器/服务器结构进行了研究。其中客户/服务器结构包含了性能与应用不同的本地C lient、远程Full C lient及远程LightW eight C lient三种监控模式。结合实例对监控系统的几种结构及其优缺点...对LonW orks监控系统的客户/服务器结构、浏览器/服务器结构进行了研究。其中客户/服务器结构包含了性能与应用不同的本地C lient、远程Full C lient及远程LightW eight C lient三种监控模式。结合实例对监控系统的几种结构及其优缺点进行了分析与讨论。结果表明,只有正确地使用LonW orks技术,选择合适的监控系统结构,才可建立符合需要的监控系统。展开更多
The oxidation pathway and kinetics of titania slag powders in air were analyzed using differential scanning calorimetry(DSC)and thermogravimetry(TG).The oxidation pathway of titania slag powder in air was divided into...The oxidation pathway and kinetics of titania slag powders in air were analyzed using differential scanning calorimetry(DSC)and thermogravimetry(TG).The oxidation pathway of titania slag powder in air was divided into three stages according to their three exothermic peaks and three corresponding mass gain stages indicated by the respective non-isothermal DSC and TG curves.The isothermal oxidation kinetics of high titania slag powders of different sizes were analyzed using the ln-ln analysis method.The results revealed that the entire isothermal oxidation process comprises two stages.The kinetic mechanism of the first stage can be described as f(α) = 1.77(1-α) [-ln (1-α)]^((1.77-1)/1.77),f(α)= 1.97(1-α) [-ln (1-α)]^((1.97-1)/1.97),and f (α) = 1.18(1-α) [-ln (1-α)]^((1.18-1)/1.18).The kinetic mechanism of the second stage for all samples can be described as f (α)=1.5(1-α)^(2/3)[1-(1-α)^(1/3)]^(-1).The activation energies of titania slag powders with different sizes(d_(1)<0.075 mm,0.125 mm<d_(2)<0.150 mm,and 0.425 mm<d_(3)<0.600 mm)for different reaction degrees were calculated.For the given experimental conditions,the rate-controlling step in the first oxidation stage of all the samples is a chemical reaction.The rate-controlling steps of the second oxidation stage are a chemical reaction and internal diffusion(for powders d_(1)<0.075 mm)and internal diffusion(for powders 0.125 mm<d_(2)<0.150 mm and 0.425 mm<d_(3)<0.600 mm).展开更多
文摘对LonW orks监控系统的客户/服务器结构、浏览器/服务器结构进行了研究。其中客户/服务器结构包含了性能与应用不同的本地C lient、远程Full C lient及远程LightW eight C lient三种监控模式。结合实例对监控系统的几种结构及其优缺点进行了分析与讨论。结果表明,只有正确地使用LonW orks技术,选择合适的监控系统结构,才可建立符合需要的监控系统。
基金This work was financially supported by the National Key Research and Development Program of China(No.2018YFC1900500)Graduate Research and Innovation Foundation of Chongqing,China(No.CYB17002).
文摘The oxidation pathway and kinetics of titania slag powders in air were analyzed using differential scanning calorimetry(DSC)and thermogravimetry(TG).The oxidation pathway of titania slag powder in air was divided into three stages according to their three exothermic peaks and three corresponding mass gain stages indicated by the respective non-isothermal DSC and TG curves.The isothermal oxidation kinetics of high titania slag powders of different sizes were analyzed using the ln-ln analysis method.The results revealed that the entire isothermal oxidation process comprises two stages.The kinetic mechanism of the first stage can be described as f(α) = 1.77(1-α) [-ln (1-α)]^((1.77-1)/1.77),f(α)= 1.97(1-α) [-ln (1-α)]^((1.97-1)/1.97),and f (α) = 1.18(1-α) [-ln (1-α)]^((1.18-1)/1.18).The kinetic mechanism of the second stage for all samples can be described as f (α)=1.5(1-α)^(2/3)[1-(1-α)^(1/3)]^(-1).The activation energies of titania slag powders with different sizes(d_(1)<0.075 mm,0.125 mm<d_(2)<0.150 mm,and 0.425 mm<d_(3)<0.600 mm)for different reaction degrees were calculated.For the given experimental conditions,the rate-controlling step in the first oxidation stage of all the samples is a chemical reaction.The rate-controlling steps of the second oxidation stage are a chemical reaction and internal diffusion(for powders d_(1)<0.075 mm)and internal diffusion(for powders 0.125 mm<d_(2)<0.150 mm and 0.425 mm<d_(3)<0.600 mm).
基金financial support from CNPq,CAPES,FACEPE,and FINEPagenciesfunded by the Public Call n.03 Produtividade em Pesquisa PROPESQ/PRPG/UF-PB project number PVN13305-2020,and PROPESQ/CNPq/UFPB PIN11132-2019+3 种基金developed within the scope of the project CICECO-Aveiro Institute of Materials,UIDB/50011/2020 and UIDP/50011/2020financed by Portuguese funds through the FCT/MECco-financed by FEDER under the PT2020 Partnership Agreementpartial financial support under grants:Pronex APQ-0675-1.06/14,INCT-NANO-MARCS APQ-0549-1.06/17,APQ-1007-1.06/15,and CNPq-PQ fellowship(Proc.309177/2018-9)
