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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。
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...
溶液自发结晶过程动力学参数研究
自发结晶过程 动力学参数 硝酸钾
2009/3/3
The batch cooling crystallization initiated from spontaneous nucleation for aqueous solution of potassium nitrate was studied. The concentration and transmittance data were acquired on line throughout...
According to the simulation of nitrogen sorption process in porous media with three- dimensional network model, and the analysis for such a process with percolation theory, a new method is proposed t...
声空强化渗透脱水过程质扩散研究
渗透脱水技术 气穴现象 最大传输率
2009/2/27
An experimental study on intensifying osmotic dehydration was carried out in a state of nature and with acoustic cavitation of different cavitating intensity (0.5A, 0.TA and 0.9A) respectively, in whi...
非活性硝酸粉末新型酸化工艺技术
非活性 硝酸粉末 酸化工艺
2009/2/26
为了更有效地提高油井酸化的效率和增加原油的产量，前苏联巴拉基洛夫院士于八十年代提出并实施了非活性硝酸粉末新型酸化工艺技术。目前，世界上常规的酸化工艺技术是运用HCl，HF，醋酸，甲酸，H3PO4这几种主要酸和其它添加物，以不同的配比进行油井酸化处理，这种工艺方法除去井下油层通道堵塞物的有效率仅为30%～40%，效果十分有限。HNO3粉末新型酸化工艺技术，关键是在常规工艺中引入了HNO3粉末酸化新概...
通过速度-时间数据的小波变换研究筛板式鼓泡塔中的湍流结构
鼓泡塔 板式 筛板 研究
2009/2/24
Hydrodynamic and turbulent structures in the trayed bubble column with 1.2m inner diameter have been characterized from liquid-phase velocity-time series data obtained by the hot-film anemometer. Wav...
The stoichiometric matrix of a simplified metabolic network in Bacillus Subtillis was constructed from the flux balance equations, which were used for reconciliation of the measured rates and determ...
同时发生初次和二次成核且为聚结控制的沉淀过程多定态及稳定性分析
precipitation mixed suspension-mixed product removal crystallizer agglomeration
2009/2/24
The possibility of multiplicity in an isothermal continuous mixed suspension-mixed product removalcrystallizer is explored using the bifurcation theory. A process involving agglomeration controlled ...
未知办理入扩展卡尔曼滤波的收敛性分析及其非线性故障诊断
未知输入扩展卡尔曼滤波 收敛性分析 非线性故障诊断
2009/2/24
Unknown input observer is one of the most famous strategies for robust fault diagnosis of linear systems, but studies on nonlinear cases are not sufficient. On the other hand, the extended Kalman filt...
一个化工过程运行系统的多层信息集成平台
XML多层 real-time STEP CORBA 运行系统
2009/2/24
In the process industry, automation and process control systems are widely implemented, information integration is however far away from satisfactory. It remains a hard job for senior managers to mak...
A new equation for predicting surface tension is proposed based on the thermodynamic definition of surface tension and the expression of the Gibbs free energy of the system. Using the NRTL equation ...