9 Result(s)
within
Won Hong Lee
Industrial Chemistry/Chemical Engineering
-
Article
Application of genetic algorithm to self-organizing fuzzy controller in fed-batch culture ofScutellaria baicalensis G. plant cell
A self-organizing fuzzy controller is constructed for control of substrate concentration in fed-batch operation of a cell culture process. A genetic algorithm is used to generate fuzzy rules of the self-organi...
-
Article
Fuzzy control of ethanol concentration for emulsan production in a fed-batch cultivation ofAcinetobacter Calcoaceticus RAG-1
A fuzzy control system was organized and applied to the control of ethanol concentration in a fed-batch cultivation process for emulsan production byAcinetobacter calcoaceticus RAG-1. The membership functions and...
-
Article
Signal analysis of fiber-optic biosensor for the detection of organophosphorus compounds in the contaminated water
The fiber-optic biosensor consisted of tubular enzyme reactor and two sensing parts was developed for the detection of organophosphorus compounds in a contaminated water. The organophosphorus compounds was mea...
-
Article
Kinetic model for effects of ethanol and phosphate on cell growth and emulsan production inAcinetobacter calcoaceticus RAG-1
A mathematical kinetic model was proposed to describe the cell growth and the emulsan production in batch cultivations ofAcinetobacter calcoaceticus RAG-1. Ethanol and phosphate concentrations were chosen as the ...
-
Article
Analysis of culture fluorescence by a fiber-optic sensor inNicotiana tabacum plant cell culture
The on-line sensing of viable cell weight in plant cell culture process is applied to analysis and control of process. The fiber-optic fluorescence sensor was constructed to measure the NADH-dependent fluoresc...
-
Article
Cavity formation in turbine stirred gas-liquid dispersion system
To detect the cavities formed behind the impeller blades, the electrical resistivity tech-nique was employed in this study. The transition conditions between large cavity and clinging cavity were easily detect...
-
Article
Reduced-order distillation model using collocation method with cubic splines
A simple and compact form of reduced-order distillation model especially suitable for real-time applications is proposed. For this purpose, a modular collocation approach with the cubic spline interpolation fu...
-
Article
Ionization and Henry’s law constants for volatile, weak electrolyte water pollutants
Data base on ionization and Henry’s law constants up to 673 K are presented by temperature dependent equations for volatile, weak electrolyte water pollutants; ammonia, carbon dioxide, hydrogen sulfide, sulfur...
-
Article
Diffusion in dilute polytetrahydrofuran solution
The diffusion coefficients of four polymer-solvent mixtures at 34.0‡C were measured using a Mach-Zehnder diffusiometer. Monodisperse (Mw/Mn <1.05) polytetrahydrofuran (PTHF) with and without OH-end group were cho...
