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internal recirculation
相关语句
  内循环
     The reaction rate of SO2 oxidation,particularly at high conversion on S101-2H ring-shaped vanadium catalyst(φ9/ φ4×15-20mm) in industrial operating conditions was studied in a gradientless reactor with internal recirculation.
     本文采用内循环无梯度反应器,在工业条件范围内,特别在高转化率下,测定了S101-2H型工业粒度(Φ9/Φ4×15~20mm)环状钒催化剂的宏观反应速率。
短句来源
     THE CORE/ANNULAR INTERNAL RECIRCULATION FLOW STRUCTURE MODEL FOR GAS-SOLIDS COCURRENT UPFLOW SYSTEM
     气-固并流上行系统的环/核内循环流动结构模型
短句来源
     The macro-kinetics of the F-T synthesis in the CO+H_2 two-stage process for making gasoline is studied on a potassium-promoted precipitted Fe catalyst with industrial size in an internal recirculation reactor.
     该工作为CO+H_2两段法合成汽油工艺中的一般F-T合成宏观反应动力学研究。 采用原颗粒Fe-Cu—K沉淀铁催化剂与内循环反应器。
短句来源
     The kinetics of oxidative dehydrogenation of butene to butadiene over B-02 ferrite catalyst has been studied in an internal recirculation gradientless reactor.
     本文利用内循环无梯度反应器,在320~420℃及较宽的各组分分压范围内研究了B-02工业催化剂用于丁烯氧化脱氢反应的本征动力学. 按照串-并联反应网络,依据Redox机理、L-H机理和幂函数型规律构想出28个动力学模型;
短句来源
     INTERNAL RECIRCULATION FLOW MODEL OF PARTICLES IN GAS FLUIDIZED BEDS
     鼓泡流化床中颗粒内循环流动结构模型
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  “internal recirculation”译为未确定词的双语例句
     Development and Study of Internal Recirculation Flow Control Strategy in A/O Nitrogen Removal Process
     A/O脱氮工艺中内循环控制策略的建立与研究
短句来源
     Internal Recirculation of Particles in CFB Boiler and its Application
     CFB颗粒物料的炉内再循环及其实践
短句来源
     Finally, three representative control strategies, such as the control of external carbon flow rate, the supervision control of the DO process and the control of internal recirculation flow rate, are used in the simulator under different weather conditions, in order to analysis the practicability and feasibility of the simulator.
     论文最后主要通过输入不同气候条件的输入组分数据,采用外加碳源控制、溶解氧浓度监控控制和内回流流速控制三种典型的控制策略,分析本研究开发的仿真软件在活性污泥过程的应用。
短句来源
     The regeneration intrinsic kinetics of modified beta zeolite catalyst FX-0 was conducted on an internal recirculation gradientless reactor. The experiments were designed with sequential experimental design method.
     在内循环无梯度反应器中进行烧炭试验,采用库贯实验设计法安排试验点,研究了改性β沸石催化剂FX-01烧炭再生反应动力学,得出碳消耗速率及氢消耗速率的烧炭反应的本征动力学模型。
短句来源
     The results of calculation and experiment show that the axial velocity profile has negative velocity in the internal recirculation zone, the tangential velocity profile possesses the feature of Rankin vortex.
     计算和试验结果表明在旋转流场的轴向方 向产生了回流区,切向方向具有强制涡与自由涡相结合的Rankin涡结构。
短句来源
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  相似匹配句对
     Internal Recirculation of Particles in CFB Boiler and its Application
     CFB颗粒物料的炉内再循环及其实践
短句来源
     Internal Recirculation Flow of Particles in Gas Fluidized Beds
     气-固流化床中颗粒的内循环流动
短句来源
     INTERNAL INFORMATION
     国内信息
短句来源
     ON INTERNAL CONTROL
     浅谈内部控制
短句来源
     Recirculation of Condenser Water
     冷凝用水喷射冷却后循环使用
短句来源
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  internal recirculation
The system performance could be slightly improved by 10% when applying internal recirculation.
      
The effect of media configuration and internal recirculation on the system performance was studied.
      
There existed an obvious external recirculation zone with axial length less than 1.0 m and a narrow internal recirculation region was observed in the entrance of gasifier inlet.
      
In October, 1970, a 35-tonne bulk of potato tubers cv.Pentland Crown, containing samples of cvsKing Edward andRedskin, was fumigated with 2-aminobutane in a bin store fitted for internal recirculation of air.
      
Use of a short rotary kiln with a cyclone preheater allowed the internal recirculation of volatile constituents, essentially consisting of compounds of potassium, chlorine and sulphur.
      
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The reaction rate of SO2 oxidation,particularly at high conversion on S101-2H ring-shaped vanadium catalyst(φ9/ φ4×15-20mm) in industrial operating conditions was studied in a gradientless reactor with internal recirculation. A rate equation of SO2 oxidation was developed by least square parameter estimation.

本文采用内循环无梯度反应器,在工业条件范围内,特别在高转化率下,测定了S101-2H型工业粒度(Φ9/Φ4×15~20mm)环状钒催化剂的宏观反应速率。用非线性最小二乘参数估值法确定了幂函数型二氧化硫氧化宏观动力学方程。

The kinetics of oxidative dehydrogenation of butene to butadiene over B-02 ferrite catalyst has been studied in an internal recirculation gradientless reactor. The experiments were conducted over a wide range of water to olefin ratio, and a large variation in the partial pressures of oxygen, butene, and butadiene.

本文利用内循环无梯度反应器,在320~420℃及较宽的各组分分压范围内研究了B-02工业催化剂用于丁烯氧化脱氢反应的本征动力学.按照串-并联反应网络,依据Redox机理、L-H机理和幂函数型规律构想出28个动力学模型;应用模型参数的物理特征、参数估值中的残差平方和相对大小以及非本征参数法筛选模型;采用模式探测法和马垮特法相结合的综合方法进行模型参数估值,从而求得适宜的本征动力学模型.最后对所定动力学模型进行显著性检验,证明该模型对实验数据确有较好的表现力.文中还讨论了水/烯比值对模型参数的影响、丁二烯的阻碍作用及催化剂的选择性等问题.

HS-2 vanadium catalyst was made of“K-V”catalyst series and certain material by which the catalyst appears active at low temperture.The chemical kinetics of SO_2 oxidation over it is investigated in internal recirculation reactor and tubuler reactor within a wide range of conversion (3.9%~89%)and temperature(653~843 K).With Powell nonlinear least-square method,the model parameters in the Mars model and Boreskov model are determined respectively.The kinetic equation obtained is as follow: r=K_tP_(o_2)(1-β~2)/(1+AP_((so)_3)/P_((so)_2))...

HS-2 vanadium catalyst was made of“K-V”catalyst series and certain material by which the catalyst appears active at low temperture.The chemical kinetics of SO_2 oxidation over it is investigated in internal recirculation reactor and tubuler reactor within a wide range of conversion (3.9%~89%)and temperature(653~843 K).With Powell nonlinear least-square method,the model parameters in the Mars model and Boreskov model are determined respectively.The kinetic equation obtained is as follow: r=K_tP_(o_2)(1-β~2)/(1+AP_((so)_3)/P_((so)_2)) A(?)0.80 (653~733 K) 0.89 (733~843 K) K_t=(?)480.79exp(-123000/(RT)) (653~733 K) (0.0531exp(-67300/(RT)) (733~843 K) If high calculation precision is not necessary,the following kinetic equation can be used: r=2141.7exp(-131000/(RT)) (P_(o_2)K(P_((so)_2)/P_((so)_3)(1-β~2))/(1+KP_(((so)_2)/P_((so)_3))~(1/2))~2 K=2.3×10~(-8)exp(113700/(RT)) (653~843 K).

HS-2钒催化剂是在钾-钒系催化剂内添加了适量的低温活性物质而成。作者用无梯度反应器和积分反应器,在较宽的温度范围(653~843K)和转化率范围(3.9%~89%)内对其动力学特性进行了测试,并采用 Powell 非线性最小二乘法回归出动力学方程。

 
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