Simulating results revealed that the hydrodynamics of pre-lift sect in FCC riser reactor were different from the hydrodynamics in common circulating fluidized beds.
基于双流体的概念 ,耦合了颗粒湍动能模型的颗粒流动力学模型 ,并结合循环流化床内气粒两相间传热及催化裂化反应的十三集总动力学模型 ,探讨了催化裂化提升管反应器预提升段催化剂颗粒的流动特征 ,给出了催化剂颗粒的速度
On CFB(circulating fluidized bed) cold-state test rigs of three sizes,an experimental study has been performed of the law governing the radial gas mixing in the dilute-phase zone of a riser section.
在3种规模的循环流化床(CFB)冷态试验台上对提升段稀相区径向气体混合规律进行了试验研究。
This paper analyses how to delimit working oil pressure and braking moment about the braking system of multi-cables hoisting,further gives the formulate about the relevance of working oil pressure and braking moment.
对多绳提升制动系统工作油压、制动力矩的确定作了理论分析,从而提出了制动力矩与工作油压关系的表达式,对实际工作中多绳提升系统工作油压及制动力矩的确定提供了参考。
A multi-point lifting model is built, the deflection and force distributions in every lifting state are obtained using an interpolation polynomial method.
建立海管多点提升的力学模型,用多项式插值得到各种提升状态下的变形和内力。
STUDY ON THE GAS SOLID FLOW CHARACTERISTICS IN THE PRE LIFT ZONE OF FCC RISER
催化裂化提升管预提升段气固两相流动特性的研究
Behaviors and Predictions of Solids Holdups in Fully Developed Region of Gas-Solid CFB Riser;
气固提升管充分发展段的颗粒浓度与预测
Commerical Application of a Two-Stage Riser Fluidized Catalytic Cracking Technology;
两段提升管催化裂化技术的工业应用
Cluster Governance:A Means of Promoting Social Capital s Value;
集群治理:社会资本价值量提升的手段
Integral Lifting of Steel Joint Gallery in Section B of New CCTV
CCTV新址B标段钢结构连廊整体提升
Improve the Management Level with Methods of Standardization and Information Technology
用标准化、信息技术手段提升管理水平
Technology boosts reliability of tornado forecasting.
高科技提升龙卷风预测的可靠性。
This year it is forecast to rise by87% to31.3 billion yuan.
今年预告将其提升87％达到313亿元。
Sales result assessment, Market forcast, Promote sales performance.
销售结果评估，市场预测，提升销售业绩。
Strenghthening Budgetary Work to Enhance Financial Administrative Level of the Hospital;
强化预算管理 提升医院财务管理水平
Implement Complete Budget Management, Improve Enterprise Management Level;
实施全面预算管理 提升企业管理水平
Overloading Fall Accident Prevention of DC Drive Mine Hoist
矿井直流提升机重载下放事故的预防
Introduction of ABB to Budgeting to Improve Budgetary Planning Function;
导入作业基础预算(ABB),提升预算规划功能
Has RMB Entered to the stage of long-time Appreciation?;
人民币已进入了长期升值预期的阶段了吗?
The process of benchmarking includes four phases, such as programming, data colleting and analyzing, practicing and advancing phases.
企业应用标杆管理通常包括四个阶段:规划阶段、据搜集及分析阶段、践阶段和提升阶段。
There are phases of ascension that allow for embracing harmlessness in degrees.
提升将有若干阶段，允许按不同程度融入无害。
After all these experiences, the resident would be considered to be joining the Stimulation Team.
在努力工作了一段时间后，就会被提升到激励组。
Compassion is a prerequisite to mastering the upper initiations of the Bodhisattva.
同情是掌握菩萨较高提升阶段的先诀条件。
