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• 1952

  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 journal › Article › Academic › peer-review

• Distance geometry and Boolean algebras

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

  Research output: Contribution to journal › Article › Academic › peer-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 journal › Article › Academic › peer-review

  • Independence
  • Normal Distribution
  • Sample mean
  • Deviation
  • Gaussian distribution

• Het herhalingsmotief in de wiskunde

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

  Research output: Book/Report › Inaugural speech › Academic

  Open Access

  File
  219 Downloads (Pure)

• 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 journal › Article › Academic › peer-review

  • determinants

• 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/Report › Book › Professional

  Open Access

  File
  98 Downloads (Pure)

• 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 journal › Article › Academic › peer-review

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

  1 Downloads (Pure)

• 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 journal › Article › Academic › peer-review

  • shock
  • Burnett equations
  • equations of motion
  • reflectance
  • approximation
  3 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 journal › Article › Academic › peer-review

  • Dichroism
  • Cellulose
  • Fibers
  • purified rayon
  • Molecules
  13 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 journal › Article › Academic › peer-review

  • Polycondensation
  • Esters
  • glycyl-glycyl-glycine
  • Polymers
  • glycyl-glycyl-glycyl-glycine
  9 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 journal › Article › Academic › peer-review

  • glycyl-glycyl-glycine
  • Esters
  • glycyl-glycyl-glycyl-glycine
  • Peptides
  • Reaction products
  6 Citations (Scopus)

  1 Downloads (Pure)

• 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 journal › Article › Academic › peer-review

  • Recursion Formula
  1 Downloads (Pure)

• 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 journal › Article › Academic › peer-review

  • Carbon monoxide
  • Thermodynamic properties
  • Temperature
  1 Citation (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 journal › Article › Academic › peer-review

  • Thermodynamic properties
  • Nitrogen
  • Thermodynamics
  • Temperature
  8 Citations (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 journal › Article › Academic › peer-review

  • arsonic acid
  • Tin
  • Benzene
  • tin
  • benzene
  1 Citation (Scopus)
• 1951

  A colour problem for infinite graphs and a problem in the theory of relations

  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. 371-373

  Research output: Contribution to journal › Article › Popular

  Open Access

  File
  198 Downloads (Pure)

• 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 journal › Article › Academic › peer-review

  1 Downloads (Pure)

• 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 journal › Article › Academic › peer-review

  Open Access

  File
  737 Downloads (Pure)

• 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 journal › Article › Popular

  Open Access

  File
  142 Downloads (Pure)

• Het principe van overeenstemmende toestanden in de quantummechanica

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

  Research output: Thesis › Phd Thesis 4 Research NOT TU/e / Graduation NOT TU/e)

• 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 journal › Article › Academic › peer-review

  Open Access

  File
  184 Downloads (Pure)

• 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 journal › Article › Academic › peer-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 journal › Article › Academic › peer-review

  • Gas mixtures
  • Molecules
  • Compressibility of gases
  • Gases
  • Temperature
  5 Citations (Scopus)

• 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 journal › Article › Popular

  Open Access

  File
  1824 Downloads (Pure)

• 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 journal › Article › Academic › peer-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 journal › Article › Academic › peer-review

  • dimethylglycine
  • Sarcosine
  • Starch
  • Glycine
  • Alcohols

• 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: Thesis › Phd Thesis 4 Research NOT TU/e / Graduation NOT TU/e)

  Open Access

  File
  14 Downloads (Pure)

• 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 journal › Article › Popular

  Open Access

  File
  112 Downloads (Pure)

• 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 journal › Article › Academic › peer-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 journal › Article › Academic › peer-review

  Open Access

  File
  162 Downloads (Pure)

• 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 journal › Article › Academic › peer-review

  • Argon
  • Temperature
  7 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 journal › Article › Academic › peer-review

  • Nitrogen
  • Temperature
  • Compressibility
  • Experiments
  42 Citations (Scopus)

• 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 journal › Article › Academic › peer-review

  • Mercuric Chloride
  • lithium bromide
  • Glycine
  • Nitrogen
  • glycyl-glycyl-glycine
  1 Downloads (Pure)
• 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 journal › Article › Academic › peer-review

  • Triodes
  • Electric space charge
  • triodes
  • current distribution
  • Distribution functions

• De absolute diëlectrische constant van gassen

  Maesen, van der, F., 1950, Amsterdam: Universiteit van Amsterdam. 91 p.

  Research output: Thesis › Phd Thesis 4 Research NOT TU/e / Graduation NOT TU/e)

  Open Access

  File
  114 Downloads (Pure)

• Erratum: Thermodynamical functions of argon

  Michels, A. M. J. F., Lunbeck, R. J. & Wolkers, G. J., 1950, In : Physica. 16, 3, p. 224 1 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Argon

• Influence of the reagent concentration of the colorimetric copper determination with sodium diethyl dithiocarbamate (abbreviated: D.D.C.) and its importance for the determination of copper in the presence of large amounts of iron

  Karsten, P., Rademaker, S. C. & Walraven, J. J., 1950, In : Analytica Chimica Acta. 2, p. 705-711 12 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Copper
  • Iron
  • Sodium
  • sodium
  • copper

• Meetkundige beschouwingen over de nulpunten van polynomen in het complexe vlak

  Bruijn, de, N. G., 1950, In : Faraday. 20, p. 17-20

  Research output: Contribution to journal › Article › Popular

  Open Access

  File
  37 Downloads (Pure)

• On bases for the set of integers

  Bruijn, de, N. G., 1950, In : Publicationes Mathematicae. Institutum Mathematicum Universitatis Debreceniensis. 1, p. 232-242

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  111 Downloads (Pure)

• On Bethe's theory of diffraction by small holes

  Bouwkamp, C. J., 1950, In : Philips Research Reports. 5, p. 321-332

  Research output: Contribution to journal › Article › Academic › peer-review

  48 Downloads (Pure)

• On integrals occurring in the theory of diffraction of electromagnetic waves by a circular disk

  Bouwkamp, C. J., 1950, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 53, 5, p. 654-661

  Research output: Contribution to journal › Article › Academic › peer-review

  • electromagnetic radiation
  • diffraction
  3 Downloads (Pure)

• On some linear functional equations

  Bruijn, de, N. G., 1950, In : Publicationes Mathematicae. Institutum Mathematicum Universitatis Debreceniensis. 1, p. 129-134

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  72 Downloads (Pure)

• On some Volterra integral equations of which all solutions are convergent

  Bruijn, de, N. G., 1950, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 53, 5-6, p. 813-821

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  53 Downloads (Pure)

• On Sommerfeld's surface wave

  Bouwkamp, C. J., 1950, In : Physical Review. 80, 2, p. 294-

  Research output: Contribution to journal › Article › Academic › peer-review

  • surface waves
  9 Citations (Scopus)

  2 Downloads (Pure)

• On the diffraction of electromagnetic waves by small circular disks and holes

  Bouwkamp, C. J., 1950, In : Philips Research Reports. 5, p. 401-422

  Research output: Contribution to journal › Article › Academic › peer-review

  18 Downloads (Pure)

• On the freely vibrating circular disk and the diffraction by circular disks and apertures

  Bouwkamp, C. J., 1950, In : Physica. 16, 1, p. 1-16

  Research output: Contribution to journal › Article › Academic › peer-review
  8 Citations (Scopus)

• On the number of uncancelled elements in the sieve of Eratosthenes

  Bruijn, de, N. G., 1950, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 53, 5-6, p. 803-812

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  67 Downloads (Pure)

• On the theory of spheroidal wave functions of order zero

  Bouwkamp, C. J., 1950, In : Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences. 53, 5-6, p. 931-944

  Research output: Contribution to journal › Article › Academic › peer-review

  • Wave Function
  • Zero
  1 Downloads (Pure)

• The roots of trigonometric integrals

  Bruijn, de, N. G., 1950, In : Duke Mathematical Journal. 17, 3, p. 197-226

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  62 Citations (Scopus)

  1372 Downloads (Pure)
• 1949

  A method for the detection of amphoteric substances in paper chromatography

  Sluyterman, L. A. A. E. & Veenendaal, H. J., 1949, In : Recueil des Travaux Chimiques des Pays‐Bas. 68, 8, p. 717-720 4 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • 2-naphthol orange
  • Chromatography
  • Hydrochloric Acid
  • Vapors