Predicting boron diffusion in wood from surface sorption. (Solid Wood...

Forest Products Journal;  October 1, 2002 ;   Ra, J.B. Barnes, H.M. Conners, T.E.;   787 words ...ABSTRACT Constant radial diffusion coefficients of boron through southern...unexplained by the diffusion coefficients at the given conditions...calculated using the diffusion coefficients. This method shows...

Water sorption and diffusion in starch/polyolefin blends.

Polymer Engineering and Science;  July 1, 1995 ;   Willett, J.L.;   787 words ......polymers (11-23). Transient state diffusion coefficients are measured by sorption and desorption...desorption measurements. Therefore, the diffusion coefficients in this work are measured in the...changes during the experiment. Diffusion coefficients of water in LDPE at 25[degrees...

Combined refinement of diffusion coefficients applied on the Nb-C and Nb-N...

Metallurgical and Materials Transactions;  February 1, 1998 ;   Rafaja, David; Lengauer, Walter; Wiesenberger, Herbert; Joguet, Manech;   787 words ......was used for the calculation of diffusion coefficients in the niobium carbides and nitrides...phases, the concentration-dependent diffusion coefficients were calculated from the concentration...obtain the concentration-independent diffusion coefficients in all phases. It was found ...

Cholesterol Depletion Suppresses the Translational Diffusion of Class II...

Biophysical Journal;  January 1, 2005 ;   Vrljic, Marija; Nishimura, Stefanie Y; Moerner, W E; McConnell, Harden M;   787 words ......fluorescence microscopy. Observed diffusion coefficients of both native and GPI-linked I...cholesterol concentration decreases the diffusion coefficients decrease by up to a factor of 7...sphingomyelinase treatment, the diffusion coefficients are reduced by up to a factor of...

Binary Diffusion Coefficients of Liquid Vapors in Gases

Mechanical Engineering;  January 1, 1998 ;   Anonymous;   65 words ...Binary Diffusion Coefficients of Liquid Vapors in Gases. A. N. Berezhnoi and A. V...Sections describe the experimental measurement of binary diffusion coefficients, results of experimental measurements at atmospheric...

Nernst–Einstein equation

A Dictionary of Chemistry;      120 words ......Kohlrausch's law ) to the ionic diffusion coefficients, devised by Nernst and Albert Einstein...and D + and D – are the diffusion coefficients of the ions. An application of...equation is to calculate the ionic diffusion coefficients from experimental determinations...

Precise Measurement of Diffusion Coefficients using Scanning Fluorescence...

Biophysical Journal;  February 15, 2008 ;   Petrásek, Zdenek; Schwille, Petra;   787 words ......sFCS) for precise determination of diffusion coefficients of fluorescent molecules in solution...a method for the measurement of diffusion coefficients and concentrations of fluorescent...in the determination of absolute diffusion coefficients with FCS. The measurement volume...

Solute Diffusion in Liquid Nickel Measured by Pulsed Ion Beam Melting

Metallurgical and Materials Transactions;  September 1, 2004 ;   Leonard, J P; Renk, T J; Thompson, M O; Aziz, M J;   787 words ...Measurements of liquid-phase diffusion coefficients for dilute tungsten and molybdenum...article reports on measurement of the diffusion coefficients of Mo and W in nickel, which are...successfully been used to measure diffusion coefficients in liquid metals, and avoids the...

Handbook of Transport Property Data--Viscosity, Thermal Conductivity, and...

Chemical Engineering Progress;  August 1, 1997 ;   Teja, Amyn S;   242 words ......of gases and liquids, 2) thermal conductivity of gases and liquids, 3) diffusion coefficients of gases in air, and 4) infinite dilution diffusion coefficients of liquids in water. The data were obtained from other handbooks, or when...

Long-term performance of environmentally-friendly blown polyurethane...

Polymer Engineering and Science;  March 1, 2005 ;   Modesti, M. Lorenzetti, A. Dall'Acqua, C.;   787 words ......requires the knowledge of effective diffusion coefficients. Furthermore, it is well known...the literature values for the diffusion coefficients of these substances are fairly...In the literature, the effective diffusion coefficients are measured in two different ways...

Lipid Lateral Diffusion in Ordered and Disordered Phases in Raft Mixtures

Biophysical Journal;  February 1, 2004 ;   Filippov, Andrey; Oradd, Greger; Lindblom, Goran;   787 words ...ABSTRACT Lipid lateral diffusion coefficients in the quarternary system...between 293 and 333 K. The diffusion coefficients were separated into...dioleoylphosphatidylcholine and exhibited diffusion coefficients that were about three...

Measurement and prediction of diffusion coefficients of supercritical...

Polymer Engineering and Science;  October 1, 2004 ;   Areerat, Surat Funami, Eita Hayata, Yusuke Nakagawa, Dai Ohshima, Masahiro;   787 words ......the solubility. To estimate the diffusion coefficients of gases in polymers, several models...developing a prediction model of diffusion coefficients. The free volume concept for diffusion...empirical model to predict the diffusion coefficients of C[O.sub.2], helium (He), and...

Water absorption characteristics of modified hydroxyapatite bone cements

Biomedical Materials;  November 1, 1995 ;     132 words ......produced a large uptake of water, with relatively low diffusion coefficients, which is attributed to the presence of soluble sites...absorption and desorption cycles, equilibrium uptake, diffusion coefficients and solubility data were determined. In general, the...

A diffusion-kinetic model for predicting solder/conductor interactions in...

Metallurgical and Materials Transactions;  December 1, 1998 ;   Ronka, K J; van Loo, F J J; Kivilahti, J K;   787 words ......utilization of integrated diffusion coefficients and mobilities is introduced...done using the integrated diffusion coefficients introduced by Wagner. The integrated diffusion coefficients and the tracer diffusion...

Lateral diffusion coefficients in membranes measured by resonance energy...

Biophysical Journal;  March 1, 2002 ;   Kusba, Josef; Li, Li; Gryczynski, Ignancy; Piszczek, Grzegorz; Et al;   787 words ......simulations show that mutual lateral diffusion coefficients of the donor and acceptor on the...timescale. Importantly, the lateral diffusion coefficients and acceptor concentrations can...Texas red-lipid acceptor. Lateral diffusion coefficients ranged from 4.4 x 10^sup -9^ cm...