Studentenalmanak 1954 - pagina 123

Dr G. J. H O I J T I N K .

Thermochemical Investigations on Arylethenes. I. Heats of Combustion of

phenylethenes. J. Coops, G. J. Hoijtink, Ree. Trav. Chim. 69, 358 (1950).

II. Heats of Combustion of some para and orthololylethenes and phenyl-

butadienes, J. Coops, G. J. Hoijtink, T h . J. E. Kramer and A. C. Faber,

Ree. Trav. Chim. 72, 765 (1953).

Thermochemical Investigations on Arylethynes. I. Heats of combustion of

some diarylethynes, J. Coops, G. J. Hoijtink, Th. J. E. Kramer and A. C.

Faber, Ree. Trav. Chim. 72, 781 (1953).

Thermochemical Investigations on Arylethanes. II. Heats of combustion of

some para and orthotolylethanes and phenylbutanes, J. Coops, G. J. Hoijtink

and Th. J. E. Kramer, Ree. Trav. Chim. 72, 793 (1953).

Dissertatie Vrije Universiteit Juli 1952. G. J. Hoijtink: Resonance and NVj-

transition energies of yi-electronic systems.

The Polarographic Reduction of Conjugated Hydrocarbons. I. A Theoretical

Discussion of the reduction of aromatic hydrocarbons; G. J. Hoijtink and

J. van Schooten, Rec. Trav. Chim. 71, 1089 (1952).

II. The Reduction of 1, n-diphenylpolyenes; G. J. Hoijtink and J. van

Schooten, Rec. Trav. Chim. 72, 691 (1953).

I I I . Comparison of various M . O. approximations with experimental half-

wave potentials of alternant hydrocarbons; G. J. Hoijtink and J. van Schooten,

Rec. Trav. Chim. 72, 903 (1953).

Dr J. BLOK.

Bepaling van ouderdom met radioactieve koolstof. Geloof en Wetenschap 51,

(1953), nr. 3.

PUBLICATIES U I T H E T N A T U U R K U N D I G LABORATORIUM

DER VRIJE U N I V E R S I T E I T .

P. H. Stoker and Ong Ping Hok, Auger Lines in the Beta-Spectra of U X and

As. Physica 18, 1253, 1952.

P. H. Stoker and Ong Ping Hok, The Beta-ray spectrum of "Arsenic. Physica

19, 279, 1953.

P . H . Stoker, M. Heerschap and Ong Ping Hok, Measurements on the continu-

ous beta-spectra, the conversion lines and the Augerlines of U(Xj-X2).

Physica 19, 433, 1953.

G. P. Brouwer, Thermistors. Nederlands Tijdschrift voor Natuurkunde 19,

JuH 1953.

E. F. de Haan, G. J. Sizoo and P. Kramer. Letter to the Editor: Beta-gamma

coincidences in the UX-spectrum. Physica 19, , 1953.

Ong Ping Hok and G. J. Sizoo. Letter to the Editor: The electron spectrum

of f i ^ U Z . Physica 19, , 1953.

PUBLICATIES U I T H E T S C H E I K U N D I G LABORATORIUM

DER VRIJE U N I V E R S I T E I T — VAN 1949 T O T 1 JANUARI 1953.

J. Coops, H. Galenkamp, H. L. Luirink, A. N. Balk and W. T h . Nauta: Energy

data on the carbon-carbon bond V.

Energy of activation, Arrhenius constant and period of half-life for the radical-

dissociation reaction of five hydrocarbons of the pentaphenylethane type in

o-dichlorobenzene as a solvent.

(Recueil des Trav. Chim. des Pays Bas 68, 160 (1949)).

Ill

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