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1953

On a recursion formula and some Tauberian theorems

Bruijn, de, N. G. & Erdös, P., 1953, In : Journal of Research of the National Institute of Standards and Technology. 50, 3, p. 161-164

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
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On invariants of G.C.D. algorithms

Bruijn, de, N. G. & Zaring, W. M., 1953, In : Nieuw Archief voor Wiskunde. serie 3, 1, p. 105-112

Research output: Contribution to journalArticlePopular

Open Access
File

On the definition of geometric objects. I

Haantjes, J. & Laman, G., 1953, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 56, 3, p. 208-215

Research output: Contribution to journalArticleAcademicpeer-review

On the definition of geometric objects. II

Haantjes, J. & Laman, G., 1953, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 56, 3, p. 216-222

Research output: Contribution to journalArticleAcademicpeer-review

On the factorization of cyclic groups

Bruijn, de, N. G., 1953, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 61, 4, p. 370-377

Research output: Contribution to journalArticleAcademicpeer-review

Cyclic group
Factorization

On the factorization of finite Abelian groups

Bruijn, de, N. G., 1953, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 61, 3, p. 258-264

Research output: Contribution to journalArticleAcademicpeer-review

Finite Abelian Groups
Factorization

The difference-differential equation $F'(x)=e^{\alpha x + \beta} F(x-1)$. I

Bruijn, de, N. G., 1953, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 61, 5, p. 449-458

Research output: Contribution to journalArticleAcademicpeer-review

Difference-differential Equations

The difference-differential equation $F'(x)=e^{\alpha x + \beta} F(x-1)$. II

Bruijn, de, N. G., 1953, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 61, 5, p. 459-464

Research output: Contribution to journalArticleAcademicpeer-review

Difference-differential Equations

Thermodynamical functions of propene at temperatures between 25°C and 150°C and at pressures up to 2500 ATM

Michels, A. M. J. F., Wassenaar, T., Louwerse, P., Lunbeck, R. J. & Wolkers, G. J., 1953, In : Applied Scientific Research. 4, 1, p. 34-38

Research output: Contribution to journalArticleAcademicpeer-review

Automatic teller machines
Propylene
Temperature

X-ray small angle scattering of ramie and rayons

Heikens, D., Hermans, P. H., Velden, van, P. F. & Weidinger, A., 1953, In : Journal of Polymer Science. 11, 5, p. 433-446 14 p.

Research output: Contribution to journalArticleAcademicpeer-review

ramie
X-radiation
spatial distribution
rayon
sampling
1952
Class

A property of positive matrices

Peremans, W., Duparc, H. J. A. & Lekkerkerker, C. G., 1952, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 65, 1, p. 24-27

Research output: Contribution to journalArticleAcademicpeer-review

Positive Matrices
9 Citations (Scopus)

A wide-band electrometer amplifier

Pelchowitch, I. & Zaalberg van Zelst, J. J., 1 Dec 1952, In : Review of Scientific Instruments. 23, 2, p. 73-75 3 p.

Research output: Contribution to journalArticleAcademicpeer-review

Electrometers
electrometers
Signal to noise ratio
amplifiers
broadband

Correlation between sensitivity to acid hydrolysis and skin-core differentiation in viscose rayon

Hermans, P. H. & Heikens, D., 1952, In : Journal of Polymer Science. 8, 2, p. 187-190 4 p.

Research output: Contribution to journalArticleAcademicpeer-review

hydrolysis
skin
acid

Distance-geometric development of two-dimensional Euclidean, hyperbolical and spherical geometry (I)

Seidel, J. J., 1952, In : Simon Stevin : Wis- en Natuurkundig Tijdschrift. 29, p. 32-50

Research output: Contribution to journalArticleAcademicpeer-review

Distance-geometric development of two-dimensional Euclidean, hyperbolical and spherical geometry (II)

Seidel, J. J., 1952, In : Simon Stevin : Wis- en Natuurkundig Tijdschrift. 29, p. 65-76

Research output: Contribution to journalArticleAcademicpeer-review

Distance geometry and Boolean algebras

Laman, G., 1952, In : Simon Stevin : Wis- en Natuurkundig Tijdschrift. 29, p. 83-91

Research output: Contribution to journalArticleAcademicpeer-review

Elemental r bewijs van de onafhankelijkheid van gemiddelde en spreiding bij steekproeven uit een normale verdeling

IJzeren, van, J., 1952, In : Statistica Neerlandica. 6, 2, p. 113-119 7 p.

Research output: Contribution to journalArticleAcademicpeer-review

Sample mean
Gaussian distribution
Deviation
n-dimensional
Reasoning

Het herhalingsmotief in de wiskunde

de Bruijn, N. G., 6 Oct 1952, Amsterdam: Noord-Hollandsche Uitgevers Maatschappij. 20 p.

Research output: Book/ReportInaugural speechAcademic

Open Access
File

Inequalities concerning determinants and systems of linear equations

Bruijn, de, N. G. & Dantzig, van, D., 1952, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 65, 3, p. 315-321

Research output: Contribution to journalArticleAcademicpeer-review

System of Linear Equations
Determinant

Kwadratische vormen en kwadratische oppervlakken

de Bruijn, N. G., 1952, Delft: Delftsche Uitgevers Maatschappij. 32 p. (Handleidingen bij het onderwijs aan de Technische Hogeschool te Delft)

Research output: Book/ReportBookProfessional

Open Access
File
7 Citations (Scopus)

Occurrence of small-angle x-ray diffraction maxima in some artificial cellulose fibers

Heikens, D., Hermans, P. H. & Weidinger, A., 1952, In : Nature. 170, p. 369-370 2 p.

Research output: Contribution to journalArticleAcademicpeer-review

Fortisan (trademark)
cellulose
x ray diffraction
spacing
occurrences
2 Citations (Scopus)

On the theory of shock structure 1

Broer, L. J. F., 1952, In : Applied Scientific Research, Section A : Mechanics, Heat, Chemical Engineering, Mathematical Methods. 3, 5, p. 349-360

Research output: Contribution to journalArticleAcademicpeer-review

shock
Burnett equations
equations of motion
reflectance
approximation
13 Citations (Scopus)

Orientation in cellulose fibers as derived from measurements of dichroism of dyed fibers

Hermans, P. H. & Heikens, D., 1952, In : Recueil des Travaux Chimiques des Pays-Bas. 71, 1, p. 49-55

Research output: Contribution to journalArticleAcademicpeer-review

Cellulose
Fibers
X rays
Molecules
rayon
9 Citations (Scopus)

Reactions of polypeptide esters in the solid state. II : a few cases of prevailing polycondensation : remarks concerning the reaction mechanism

Sluyterman, L. A. A. E. & Kooistra, M., 1952, In : Recueil des Travaux Chimiques des Pays-Bas. 71, 3, p. 277-284

Research output: Contribution to journalArticleAcademicpeer-review

glycyl-glycyl-glycyl-glycine
Polycondensation
glycyl-glycyl-glycine
Polymers
Esters
5 Citations (Scopus)

Reactions of polypeptide esters in the solid state I : migration of methyl groups

Sluyterman, L. A. A. E. & Veenendaal, H. J., 1952, In : Recueil des Travaux Chimiques des Pays-Bas. 71, p. 137-152

Research output: Contribution to journalArticleAcademicpeer-review

glycyl-glycyl-glycine
glycyl-glycyl-glycyl-glycine
Esters
Peptides
Reaction products

Some linear and some quadratic recursion formulas. II

Bruijn, de, N. G. & Erdös, P., 1952, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 14, p. 152-163

Research output: Contribution to journalArticleAcademicpeer-review

Recursion Formula
1 Citation (Scopus)

Thermodynamic properties of carbon monoxide at temperatures between 0 and 150°C and at pressures up to 3000 atmospheres

Michels, A. M. J. F., Lunbeck, R. J. & Wolkers, G. J., 1952, In : Applied Scientific Research. 3, 4, p. 253-260

Research output: Contribution to journalArticleAcademicpeer-review

Carbon monoxide
Thermodynamic properties
Temperature
8 Citations (Scopus)

Thermodynamic properties of nitrogen as functions of pressure and temperature between 0 and 6000 atmospheres and −125° and +150°C

Lunbeck, R. J., Michels, A. M. J. F. & Wolkers, G. J., 1952, In : Applied Scientific Research. 3, 3, p. 197-210

Research output: Contribution to journalArticleAcademicpeer-review

Thermodynamic properties
Thermodynamics
Nitrogen
Temperature
1 Citation (Scopus)

Turbidimetric determination of tin(IV) with 3-nitro-4-hydroxy-benzene-arsonic acid

Karsten, P., Kies, H. L. & Walraven, J. J., 1952, In : Analytica Chimica Acta. 7, 4, p. 355-359 5 p.

Research output: Contribution to journalArticleAcademicpeer-review

Tin
Benzene
tin
benzene
Antimony
1951
Open Access
File

A note on Kline's Bessel-function expansion

Bouwkamp, C. J. & Bremmer, H., 1951, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 54, 2, p. 130-134

Research output: Contribution to journalArticleAcademicpeer-review

Circuits and trees in oriented linear graphs

Aardenne-Ehrenfest, van, T. & Bruijn, de, N. G., 1951, In : Simon Stevin : Wis- en Natuurkundig Tijdschrift. 28, p. 203-217

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
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Functions whose differences belong to a given class

Bruijn, de, N. G., 1951, In : Nieuw Archief voor Wiskunde. serie 2, 23, p. 194-218

Research output: Contribution to journalArticlePopular

Open Access
File

Het principe van overeenstemmende toestanden in de quantummechanica

Lunbeck, R. J., 1951, Amsterdam: Universiteit van Amsterdam. 91 p.

Research output: ThesisPhd Thesis 4 Research NOT TU/e / Graduation NOT TU/e)Academic

On the number of positive integers $\leq x$ and free of prime factors $>y$

Bruijn, de, N. G., 1951, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 54, 1, p. 50-60

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
5 Citations (Scopus)

On the second and third virial coefficient of methyl fluoride

Lunbeck, R. J. & Seldam, ten, C. A., 1951, In : Physica. 17, 8, p. 788-792

Research output: Contribution to journalArticleAcademicpeer-review

Molecular interactions
Permittivity
5 Citations (Scopus)

On the second virial coefficient of gas mixtures

Lunbeck, R. J. & Boerboom, A. J. H., 1951, In : Physica. 17, 1, p. 76-80

Research output: Contribution to journalArticleAcademicpeer-review

Gas mixtures
Molecules
Compressibility of gases
Gases
Temperature

On the set of divisors of a number

Bruijn, de, N. G., Ebbenhorst Tengbergen, van, C. & Kruyswijk, D., 1951, In : Nieuw Archief voor Wiskunde. serie 2, 23, p. 191-193

Research output: Contribution to journalArticlePopular

Open Access
File

Over de herleiding van B tot $\Gamma$

IJzeren, van, J., 1951, In : Statistica Neerlandica. 5, 3/4, p. 119-122 4 p.

Research output: Contribution to journalArticleAcademicpeer-review

Deduction
Disadvantage

Preparative chromatographic separation of glycine, sarcosine and dimethylglycine using starch

Sluyterman, L. A. A. E. & Veenendaal, H. J., 1951, In : Recueil des Travaux Chimiques des Pays-Bas. 70, 10, p. 1049-1053

Research output: Contribution to journalArticleAcademicpeer-review

Sarcosine
Starch
Glycine
Alcohols
Water

Reactions of popypeptide esters in the solid state

Sluyterman, L. A. A. E., 12 Oct 1951, Amsterdam: D.B. Centen's Uitgevers-maatschappij. 36 p.

Research output: ThesisPhd Thesis 4 Research NOT TU/e / Graduation NOT TU/e)Academic

Open Access
File

Some linear and some quadratic recursion formulas. I

Bruijn, de, N. G. & Erdös, P., 1951, In : Proceedings of the Section of Sciences of the Koninklijke Nederlandse Akademie van Wetenschappen. Series A, mathematical sciences. 54, 5, p. 374-382

Research output: Contribution to journalArticlePopular

Open Access
File

Some theorems on free algebras and direct products of algebras

Peremans, W., 1951, In : Simon Stevin : Wis- en Natuurkundig Tijdschrift. 29, p. 51-59

Research output: Contribution to journalArticleAcademicpeer-review

The asymptotic behaviour of a function occuring in the theory of primes

Bruijn, de, N. G., 1951, In : Journal of the Indian Mathematical Society. New Series. 15, p. 25-32

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
7 Citations (Scopus)

Thermodynamical properties of argon as function of pressure and temperature between 0 and 2000 atmospheres and 0° and 150°C

Michels, A. M. J. F., Lunbeck, R. J. & Wolkers, G. J., 1951, In : Applied Scientific Research. 2, 1, p. 345-350

Research output: Contribution to journalArticleAcademicpeer-review

Argon
Temperature
41 Citations (Scopus)

Thermodynamical properties of nitrogen as functions of density and temperature between −125° and +150°C and densities up to 760 Amagat

Michels, A. M. J. F., Lunbeck, R. J. & Wolkers, G. J., 1951, In : Physica. 17, 9, p. 801-816

Research output: Contribution to journalArticleAcademicpeer-review

Nitrogen
Temperature
Compressibility
Experiments

Volumetric amino-nitrogen determinations in glycine and glycyl-peptides

Sluyterman, L. A. A. E. & Kooistra, M., 1951, In : Recueil des Travaux Chimiques des Pays-Bas. 70, 12, p. 1045-1048

Research output: Contribution to journalArticleAcademicpeer-review

Mercuric Chloride
Glycine
glycyl-glycyl-glycine
Nitrogen
Glycylglycine
1950

Current distribution in triodes neglecting space charge and initial velocities

Hamaker, H. C., 1950, In : Applied Scientific Research, Section B. 1, 1, p. 77-104

Research output: Contribution to journalArticleAcademicpeer-review

Triodes
triodes
current distribution
Electric space charge
Distribution functions