Zobrazeno 1 - 10 of 12 pro vyhledávání: '"J. H. Palm"'
1
Determination of the absolute configuration of 3-bromocamphor
Autor: J. H. Palm, M. G. Northolt
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 85:143-146
The absolute configuration of (+)-3-bromocamphor has been determined by X-ray single crystal diffraction, Br acting as anomalous scatterer for MoKa radiation. The absolute configuration thus determined is in agreement with that proposed by Fredga and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d699536f6d1a176fce200979bc117b1
https://doi.org/10.1002/recl.19660850205
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2
Studies on cyclohexane derivatives. Part VI: cis- and trans-1,4-Di-t-butylcyclohexane. Preparation and properties
Autor: H. Dekker, C. Mosselman, J. H. Palm, P. E. Verkade, L. Schäfer, M. A. Hoefnagel, L. de Lavieter, B. M. Wepster, A. Wemmers, G. Somsen, H. van Bekkum, A. van Veen
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 86:1363-1371
cis- and trans-1,4-Di-t-butylcyclohexane have been prepared. Evidence is presented showing that the cis-isomer is mainly in a non-chair conformation. The enthalpy difference between the two isomers in the liquid state at 25° is 4.7 kcal/mole, the tr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db6e46ee2fc760022e0756479c91aaa9
https://doi.org/10.1002/recl.19670861213
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6
Inclusion compounds. Part III: Thiourea adducts of some types of cyclohexane derivatives
Autor: J. H. Palm, B. M. Wepster, P. E. Verkade, H. van Bekkum
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 89:913-919
This paper presents the repeat periods of some thirty cyclohexane derivatives, in their respective thiourea adducts as determined by X-ray diffraction and elemental analysis. In general, trans-1,4-substituted cyclohexanes are found to occupy longer s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d221fab6cdb7d58a73bdf6a280cd0d25
https://doi.org/10.1002/recl.19700890905
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7
Stress-strain relations for uniform monotonic deformation under triaxial loading
Autor: J. H. Palm
Publikováno v: Applied Scientific Research. 2
A simple theory is given for the relationship between the stresses and the strains for monotonic straining under uniform triaxial loading. It is suggested that a principal strain may be composed of two partial strains, each of which is exclusively a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd8c505340644b2bf8354127afb22f47
https://doi.org/10.1007/bf00411973
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8
Stress-strain relations and necking criteria for triaxial loading, two principal stresses being equal
Autor: J. H. Palm
Publikováno v: Flow, Turbulence and Combustion. 1
In a preceding paper a theoretical derivation of the axial stress-strain relation during monotonic uniform straining under uniaxial loading, the fundamental stress-strain relation, has been given. Since a hydrostatic tension or compression hardly inf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c472ab77e34c437a2dd1bf24f70e7d07
https://doi.org/10.1007/bf02120341
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9
Stress-strain relations for uniaxial loading
Autor: J. H. Palm
Publikováno v: Flow, Turbulence and Combustion. 1
The mathematical expressions for the stress strain relations of metals in uniaxial loading, which have been proposed by Ludwik and Hollomon and find a more general application now, are discussed. It is elucidated that these empirical formulae cannot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b1f42d316e724917477d107cf1d6485
https://doi.org/10.1007/bf02120327
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