With the self-adjustment and develop-ment of the global telecom market,Chinese telecom industry has entereda stable growth period when all opera-tors are making efforts to develop services andtry new ways of profit-ma...With the self-adjustment and develop-ment of the global telecom market,Chinese telecom industry has entereda stable growth period when all opera-tors are making efforts to develop services andtry new ways of profit-making. ZTE Corpora-tion always pays close attention to the efficien-cy of its customers’ networks and the possibil-ity of providing new services that can promotethe network value. With rich customer serviceexperience, ZTE realized that excellent after-sales services must be the objective for ZTE tostrive for, and the bridge for building up awin-win relationship with customers. ZTEGlobal Customer Support Center was thereforeset up.展开更多
Distribution of active centers(ACD)of ethylene or 1-hexene homopolymerization and ethylene-1-hexene copolymerization with a MgCl_2/TiCl_4 type Z-N catalyst were studied by deconvolution of the polymer molecular weight...Distribution of active centers(ACD)of ethylene or 1-hexene homopolymerization and ethylene-1-hexene copolymerization with a MgCl_2/TiCl_4 type Z-N catalyst were studied by deconvolution of the polymer molecular weight distribution into multiple Flory components.Each Flory component is thought to be formed by a certain type of active center. ACD of ethylene-1-hexene copolymer with very low 1-hexene incorporation was compared with that of ethylene homopolymer to see the effect of introducingα-olefin on ethyle...展开更多
基于决策实验室分析法(Decision Making Trial and Evaluation Laboratory,DEMA-TEL)和解释结构模型(Interpretative Structural Modeling Method,ISM)构建了装备保障中心选址问题评价指标体系。在确定的14种装备保障中心选址问题考虑...基于决策实验室分析法(Decision Making Trial and Evaluation Laboratory,DEMA-TEL)和解释结构模型(Interpretative Structural Modeling Method,ISM)构建了装备保障中心选址问题评价指标体系。在确定的14种装备保障中心选址问题考虑因素中,首先利用DEMATEL模型分析各评价指标间的因果关系和影响程度,并将所有指标划分为3层;再通过ISM法则构建多级有向拓扑图,进一步评估了各指标之间的关系,并得到3级评价体系。研究结果表明:与已有研究相比,本文方法可揭示各影响因素之间的内在联系与结构关系;对于装备保障中心选址问题,需要对其直接因素、中间因素和深层因素进行综合考虑,其中,气象条件、交通运输条件、信息化水平、隐蔽及伪装条件、受敌威胁程度等是所有指标中的关键因素,应予以重点关注。展开更多
文摘With the self-adjustment and develop-ment of the global telecom market,Chinese telecom industry has entereda stable growth period when all opera-tors are making efforts to develop services andtry new ways of profit-making. ZTE Corpora-tion always pays close attention to the efficien-cy of its customers’ networks and the possibil-ity of providing new services that can promotethe network value. With rich customer serviceexperience, ZTE realized that excellent after-sales services must be the objective for ZTE tostrive for, and the bridge for building up awin-win relationship with customers. ZTEGlobal Customer Support Center was thereforeset up.
基金the Major State Basic Research Programs(No.2005CB623804).
文摘Distribution of active centers(ACD)of ethylene or 1-hexene homopolymerization and ethylene-1-hexene copolymerization with a MgCl_2/TiCl_4 type Z-N catalyst were studied by deconvolution of the polymer molecular weight distribution into multiple Flory components.Each Flory component is thought to be formed by a certain type of active center. ACD of ethylene-1-hexene copolymer with very low 1-hexene incorporation was compared with that of ethylene homopolymer to see the effect of introducingα-olefin on ethyle...
文摘基于决策实验室分析法(Decision Making Trial and Evaluation Laboratory,DEMA-TEL)和解释结构模型(Interpretative Structural Modeling Method,ISM)构建了装备保障中心选址问题评价指标体系。在确定的14种装备保障中心选址问题考虑因素中,首先利用DEMATEL模型分析各评价指标间的因果关系和影响程度,并将所有指标划分为3层;再通过ISM法则构建多级有向拓扑图,进一步评估了各指标之间的关系,并得到3级评价体系。研究结果表明:与已有研究相比,本文方法可揭示各影响因素之间的内在联系与结构关系;对于装备保障中心选址问题,需要对其直接因素、中间因素和深层因素进行综合考虑,其中,气象条件、交通运输条件、信息化水平、隐蔽及伪装条件、受敌威胁程度等是所有指标中的关键因素,应予以重点关注。