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加长循环流化床提升管中加速段长度的实验研究
CFB riser solid acceleration acceleration length axial flow structure
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2009/3/9
Systematic experimental work was conducted to investigate the solid acceleration length in a 16m long circulating fluidized bed riser with fluid cracking catalyst particles over a wide range of oper...
基于支持向量机回归的天然气负荷预测研究
SVM 支持向量机 回归 负荷预测
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2009/3/9
Natural gas load forecasting is a key process to the efficient operation of pipeline network. An accurate forecast is required to guarantee a balanced network operation and ensure safe gas supply at a...
基于支持向量机MPLS的间歇过程故障诊断方法
fault detection multiway partial least squares support vector machines
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2009/3/9
In this article, a nonlinear dynamic multiway partial least squares (MPLS) based on support vector machines (SVM) is developed for on-line fault detection in batch processes. The approach, referred to...
解脂假丝酵母中神经酰胺的积累研究
神经酰胺 酵母 氧化还原作用 溶解氧
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2009/3/6
Ceramides are a class of lipid molecules widely distributed in eukaryotic cells in small amount. To investigate the possibility of ceramide production by yeast, a yeast strain Yarrowia lipolitica was ...
间歇生产过程鲁棒统计监控及其应用
间歇生产过程 鲁棒 on-line
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2009/3/6
In order to reduce the variations of the product quality in batch processes, multivariate statistical process control methods according to multi-way principal component analysis (MPCA) or multi-way p...
Mixed-weight least-squares (MWLS) predictive control algorithm, compared with quadratic programming (QP) method, has the advantages of reducing the computer burden, quick calculation speed and deali...
模拟移动床色谱手性分离过程的非线性非理想模型
simulated moving bed chromatography chiral separation non-linear isotherm
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2009/3/5
A non-linear non-ideal model, taking into account non-linear competitive isotherms, axial dispersion, film mass transfer, intraparticle diffusion, and port periodic switching, was developed to simul...
利用二元体系的CH红外光谱推算汽液平衡数据
IR vapor liquid equilibrium infinite dilution activity coefficient binary aqueous system
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2009/3/5
Prediction of vapor-liquid equilibrium (VLE) is extremely necessary to separate liquid mixture in chemical production, especially when the required experimental data are difficult to measure, or the m...
Among the processing conditions of injection molding, temperature of the melt entering the mold plays a significant role in determining the quality of molded parts. In our previous research, a neura...
喷洒造粒过程的分析和革新
prilling melt spray tower
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2009/3/4
Cooling-solidification of sprayed droplets is one of major methods for prilling of melt. Traditionally, this is carried out in an empty tower, and the equipment requirement for producing larger part...
内下料式重力混料仓的实验研究
gravity blending silo inner downcomer
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2009/3/4
A novel gravity blender with an inner downcomer was experimentally studied in this work. The flow characteristics of solid through the downcomer with branch pipes and the influence of the number of ...
The spatial structure of the velocity field in a stirred vessel with water has been measured and analyzed using the laser Doppler velocimeter technique, with the immersing depth and agitation speed of...
气体和气体混合物的单参数状态方程。
气相和液相中三氯乙烯和苯的臭氧化动力学
reaction ozone pollutant trichloroethylene
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2009/3/4
The kinetics of ozonation reactions of trichloroethylene (TCE) and benzene in gas and liquid phases at 101.3 kPa and 298 K was investigated in this paper. The ozonation of TCE is first order with re...
Parasitic flows may occur in the numerical simulation of incompressible multiphase flow due to errors in the calculation of surface tension terms, specifically for the curvature and unit normal vector...