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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作,涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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Now showing 1 - 10 of 16
  • Item type:Item,
    THE RELIABILITY OF MULTILEVEL METALLIZATION ON INGAAS/GAAS LAYERS
    (1994)
    CHANG, EY
    ;
    CHEN, JS
    ;
    WU, JW
    ;
    LIN, KC
    ;
    材料科學與工程學系
  • Item type:Item,
    ELECTRICAL-PROPERTIES OF INSB METAL-INSULATOR SEMICONDUCTOR DIODES PREPARED BY PHOTOCHEMICAL VAPOR-DEPOSITION
    (1987-08-03)
    HUANG, KF
    ;
    SHIE, JS
    ;
    LUO, JJ
    ;
    CHEN, JS
    ;
    交大名義發表
  • Item type:Item,
    DIFFUSION LAG TIME FOR MULTIPLE AND PERIODIC LAMINATES
    (1991)
    CHEN, JS
    ;
    ROSENBERGER, F
    ;
    應用化學系
    ;
    Department of Applied Chemistry
  • Item type:Item,
    RECIPROCITY OF LAG TIME FOR REACTIVE DIFFUSION THROUGH HETEROGENEOUS MEMBRANES - A GREEN-FUNCTION APPROACH
    (1991)
    CHEN, JS
    ;
    ROSENBERGER, F
    ;
    應用化學系
    ;
    Department of Applied Chemistry
  • Item type:Item,
    CALCULATION OF LAG TIME FOR CONVECTIVE-REACTIVE DIFFUSION
    (1991-11-28)
    CHEN, JS
    ;
    ROSENBERGER, F
    ;
    應用化學系
    ;
    Department of Applied Chemistry
    Closed form solutions for the steady-state permeability P and the lag time L of a linear diffusion system with concurrent convection and reaction were obtained by two methods. In the first method, we identify the singularity at s = 0 of the Laplace transform of the total amount of diffusant, Q(s), released into the receiver as representation of the asymptotic diffusion behavior. P and L are then obtained from the time-independent coefficients of an expansion of Q(s) about s = 0. In the second method, we transform the convective-reactive diffusion equation into a form that contains only first and second derivatives of the concentration distribution function. By comparison of the resulting equation with that for a heterogeneous diffusion system, relationships of the convection velocity and rate constant with the position-dependent partition coefficient in heterogeneous diffusion is found. Taking advantage of the known solutions for permeabiliy and lag time in heterogeneous diffusion, the corresponding expressions for P and L in convective-reactive diffusion are then obtained by transcription. These methods have the advantage over earlier approaches in that solutions in an infinite form are avoided.
  • Item type:Item,
    NONLINEAR-ANALYSIS OF STABILITY FOR MOTORCYCLE-RIDER SYSTEMS
    (1992)
    LIU, TS
    ;
    CHEN, JS
    ;
    交大名義發表
    ;
    機械工程學系
    ;
    National Chiao Tung University
    In this study, linear and nonlinear analyses of motorcycle-rider motion are carried out to investigate the stability of the motorcycle-rider integrated system. Equations of motion are derived using Lagrange's equation. Transfer functions that account for the rider's perception and action are taken into account. In the linear analysis, its dynamic behaviour is characterized by eigenvalues and eigenvectors. The effects of design parameter changes on capsize. weave and wobble modes are examined, and the design implication is discussed. The nonlinear analysis for system stability is conducted by means of the centre manifold theory and bifurcation theory. Stability boundaries in a parameter space and the corresponding bifurcation diagrams are obtained for in-depth understanding of the system stability. Moreover, comparison of results with and without rider's control shows the significant effect of the rider on the stability performance of the entire system.
  • Item type:Item,
    DIAPHRAGM DIFFUSION CELL - A CLOSED FORM SOLUTION TO THE TRANSPORT-EQUATION AND ITS APPLICATION TO THE DETERMINATION OF THE CONCENTRATION-DEPENDENCE OF THE HCL-H2O INTERDIFFUSION COEFFICIENT
    (1992)
    CHEN, JS
    ;
    CLUNIE, JC
    ;
    BAIRD, JK
    ;
    ROSENBERGER, F
    ;
    應用化學系
    In a thermodynamically non-ideal solution, the interdiffusion coefficient D(c) of a two-component system is a function of the concentration c. Since the mean concentration cBAR in a diaphragm cell remains constant during interdiffusion, we have found it useful to expand D(c) in a Taylor series about cBAR. After truncating the series and substituting the result into the diaphragm cell transport equation, we obtain a Bernoulli ordinary differential equation, which we solve in closed form. This solution is experimentally tested by determining D(c) from diaphragm cell data which we accumulated on aqueous hydrochloric acid at 25-degrees-C. Our results are in qualitative agreement with those of R. H. Stokes, who obtained D(c) from diaphragm cell data by using a graphical method [J. Am. Chem. Soc. 72, 2243 (1950)].
  • Item type:Item,
    A GENERAL EXPRESSION FOR THE TOTAL RELEASE OF DIFFUSANT THROUGH HETEROGENEOUS MEMBRANES
    (1992-02-19)
    CHEN, JS
    ;
    ROSENBERGER, F
    ;
    應用化學系
    ;
    Department of Applied Chemistry
    An expression for the total amount of diffusant Q(t) released into a receiver by diffusion through a heterogeneous membrane is rigorously derived for time-dependent boundary conditions and a position-dependent initial condition. The heterogeneity of the membrane is characterized by a position-dependent diffusivity and partition coefficient. Two examples are given to demonstrate the utility of this general expression. It is shown that the expression for Q(t) proposed by Keister [ J. Membrane Sci., 29 (1986) 333-3441 is only valid when the asymptotic concentration of the diffusant within the membrane is zero.
  • Item type:Item,
    THEORY OF THE TIME-LAG DIFFUSION METHOD FOR THE CASE OF AN OUTGASSING SOLID
    (1993-06-01)
    BAIRD, JK
    ;
    CHEN, JS
    ;
    應用化學系
    ;
    Department of Applied Chemistry
    In the ordinary application of the time-lag method to the measurement of the diffusion coefficient of a gas passing through a plane sheet of an inert solid, the gas is pressurized on one side of the sheet and evacuated on the other. After decay of transients, the cumulative amount, Q(t), of gas diffused through the sheet in time, t, assumes the ''time-lag'' form, Q(t) = A(t - L). Measurements of the slope, A, and the intercept, L, can be used to determine the diffusion coefficient and the solubility of the gas in the solid. We have rederived this law for the case of a solid that is actively evolving this same gas at an arbitrary rate and have used it to predict the rate of outgassing of the solid upon standing. Practical applications of the theory include radioactive decay of minerals, rejection of plasticizers by plastics, and the decomposition of solid rocket propellants.
  • Item type:Item,
    GRAPHIC METHOD FOR THE DETERMINATION OF THE COMPLEX NMR SHIFT AND EQUILIBRIUM-CONSTANT FOR A HETERO-ASSOCIATION ACCOMPANYING A SELF-ASSOCIATION
    (1994-02-07)
    CHEN, JS
    ;
    SHIAO, JC
    ;
    交大名義發表
    ;
    應用化學系
    ;
    National Chiao Tung University
    A novel graphic method to determine the complex shift and equilibrium constant for a hetero-association, A + B reversible arrow AB, accompanying a self-association A + A reversible arrow A(2), has been described. The method is to be used in conjunction with a graphic determination of the monomer shift, dimer shift and dimerization constant proposed previously. Our new method is advantageous over the conventional Benesi-Hildebrand (BH) plot in that the limitations, (1) that the concentration of one component must be much less than that of the other and (2) that self-association of species is not allowed, are completely removed. The related parameters of the self-association of 2-isopropylphenol (A) and the hetero-association of 2-isopropylphenol with acetone (B) in the inert solvent [H-2(12)]cyclohexane has been used to demonstrated the use of this new graphic method. Comparison with the results from a BH plot has also been made.