Wiley
SCOPUS (1970,1976-1998)
0005-9021
0005-9021
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Các bài báo tiêu biểu
Theory of Thermal Unimolecular Reactions in the Fall‐off Range. II. Weak Collision Rate Constants
Tập 87 Số 2 - Trang 169-177 - 1983
AbstractThe master equation of thermal unimolecular reactions in the fall‐off
range has been solved for a number of representative molecular systems. Weak
collision broadening factors FWC(k0/k∞) are derived and represented empirically.
Weak collision efficiencies βc for the low pressure range are calculated for
very high temperatures. Combined with earlier representations (part I) of strong
collis...
A mechanistic theory of hydrogen embrittlement of steels
Tập 76 Số 8 - Trang 848-857 - 1972
AbstractConsideration of the relation between the cohesive energy and the
surface free energy leads to the inference that dissolved hydrogen reduces the
maximum cohesive resistive force of which the iron lattice is capable. This
forms the basis of a mechanistic model for the velocity of hydrogen‐induced
crack propagation in steels. The crack grows when the local tensile elastic
stress normal to th...
Applications of the Augmented van der Waals Theory of Fluids.: I. Pure Fluids
Tập 81 Số 10 - Trang 1048-1052 - 1977
AbstractThe relation for the compressibility of hard convex bodies (Boublik,
1975) is combined with the power series in (u/k T) and (V°/V) (Alder et al.,
1972) to obtain the most general and accurate equation of state of fluids. 24
universal constants of the series were fitted to the internal energy and PVT
data for argon. The equation also contains 5 characteristic constants that were
fitted to t...
Theory of Thermal Unimolecular Reactions in the Fall‐off Range. I. Strong Collision Rate Constants
Tập 87 Số 2 - Trang 161-169 - 1983
Abstract(k0/k∞)‐reduced strong collision fall‐off curves of thermal unimolecular
reactions are analyzed. They are represented by the Lindemann‐Hinshelwood
expression multiplied by strong collision broadening factors FSC. The factors
FSC are approximated by fully empirical representations of RRKM theory. Compact
expressions suitable for modeling are proposed. Their quality is demonstrated by
compar...
Magnetic Susceptibility and Equilibrium Diagram of PdHn
Tập 77 Số 1 - Trang 48-52 - 1973
AbstractThe limits nαmax and nβmin of the two‐phase region of PdHn can only
roughly be estimated from the shape of the equilibrium isotherms pH2(n). Other
methods applied so far do not yield more accurate results. More precise values
can be obtained, however, from measurements of the magnetic susceptibility x as
a function of the hydrogen content n at various temperatures.Such x(n) isotherms
have ...
Layer‐Type Transition Metal Dichalcogenides — a New Class of Electrodes for Electrochemical Solar Cells
Tập 81 Số 4 - Trang 361-369 - 1977
AbstractThe problem of the rapid anodical photoelectrochemical desintegration of
visible‐light‐sensitive semiconductor electrodes (e.g. CdS, GaAs) in presently
investigated continuously operating electrochemical solar cells is tackled by
two improvements:a) The use of covalent layer‐type transition metal
dichalcogenides as electrode material, in which photon absorption involves d‐d
transitions and...
Self‐Diffusion Studies by Means of Nuclear Magnetic Resonance Spin‐Echo Techniques
Tập 67 Số 3 - Trang 336-340 - 1963
AbstractThe spin‐echo, magnetic resonance method for measuring self‐diffusion
coefficients is reviewed and the results obtained to date are summarized.
Several uses of self‐diffusion results are discussed.
Umorientierungszeiten, Sprungzeiten und Quadrupolkopplungskonstanten in einigen organischen Flüssigkeiten aus kernmagnetischen Relaxationszeitmessungen
Tập 69 Số 8 - Trang 659-669 - 1965
AbstractDie kernmagnetische Spin‐Gitter‐Relaxationszeit T1 von Protonen und
Deuteronen wurde impulstechnisch bei zehn organischen Flüssigkeiten, die in der
normalen protonenhaltigen Form bzw. deuteriert vorlagen, bestimmt. Durch
Messungen der Protonenrelaxationszeit in Mischungen aus protonenhaltigen und
deuterierten Molekülen konnten sowohl der intramolekulare als auch der
intermolekulare Anteil ...
A Comparative Study of the Viscosity Coefficients of Some Nematic Liquid Crystalss
Tập 85 Số 8 - Trang 784-789 - 1981
AbstractThe viscosity coefficients η1, η2, η3 and η12 of
4‐n‐pentyl‐4'‐cyanobiphenyl, 4‐n‐octyl‐4'‐cyanobiphenyl,
4‐methoxy‐4'‐n‐butylazoxybenzene and an aromatic ester mixture were determined
in the nematic phase region. Except for 4‐n‐octyl‐4'‐cyanobiphenyl, the
viscosity coefficients of the liquid crystals show the following properties: 1)
Three of the viscosity coefficients are related by an e...
Spectroelectrochemical Study of Mediators I. Bipyridylium Salts and Their Electron Transfer Rates to Cytochrome c
Tập 78 Số 3 - Trang 253-259 - 1974
AbstractIn many potentiometric titrations of biological electron transfer
components, mediators are often employed to act as electron transfer mediators
between the components and the potentiometric electrode. Certain mediators have
been employed recently as electrogenerated titrants of components in coulometric
titrations, particularly in some spectroelectrochemical studies. In this paper,
the op...