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1

Remarks on Refractive Index Mixture Rules

Heller, Wilfried

Journal:

Journal of Physical Chemistry

Year:

1965

Language:

english

File:

PDF, 670 KB

english, 1965

2

Theoretical Investigations on the Light Scattering of Colloidal Spheres. III. Analytical Expressions for Turbidity Approximating the Performance of the Mie Equations Prior to the First Maximum

Heller, Wilfried

Journal:

The Journal of Chemical Physics

Year:

1957

Language:

english

File:

PDF, 648 KB

english, 1957

3

Density of polystyrene and polyvinyltoluene latex particles

Thomas L Pugh, Wilfried Heller

Journal:

Journal of Colloid Science

Year:

1957

Language:

english

File:

PDF, 468 KB

english, 1957

4

Experimental investigations on the effect of light scattering upon the refractive index of colloidal particles

Wilfried Heller, Thomas L Pugh

Journal:

Journal of Colloid Science

Year:

1957

Language:

english

File:

PDF, 733 KB

english, 1957

5

Theoretical Investigations on the Light Scattering of Colloidal Spheres. I. The Specific Turbidity

Heller, Wilfried, Pangonis, William J.

Journal:

The Journal of Chemical Physics

Year:

1957

Language:

english

File:

PDF, 862 KB

english, 1957

6

Theoretical Investigations on the Light Scattering of Colloidal Spheres. XII. The Determination of Size Distribution Curves from Turbidity Spectra

Wallach, Morton L., Heller, Wilfried, Stevenson, Arthur F.

Journal:

The Journal of Chemical Physics

Year:

1961

Language:

english

File:

PDF, 732 KB

english, 1961

7

Theoretical Investigations on the Light Scattering of Colloidal Spheres. IV. Specific Turbidities in the Lower Microscopic Range and Fine Structure Phenomena

Heller, Wilfried, McCarty, H. James

Journal:

The Journal of Chemical Physics

Year:

1958

Language:

english

File:

PDF, 504 KB

english, 1958

8

Theoretical Investigations on the Light Scattering of Colloidal Spheres. II. Accurate Interpolations of Theoretical Turbidity-Data

Heller, Wilfried

Journal:

The Journal of Chemical Physics

Year:

1957

Language:

english

File:

PDF, 429 KB

english, 1957

9

Theoretical Investigations on the Light Scattering of Colloidal Spheres. V. Forward Scattering

Heller, Wilfried, Nakagaki, Masayuki, Wallach, Morton L.

Journal:

The Journal of Chemical Physics

Year:

1959

Language:

english

File:

PDF, 687 KB

english, 1959

10

Theoretical Investigations on the Light Scattering of Colloidal Spheres. XI. Determination of Size Distribution Curves from Spectra of the Scattering Ratio or from Depolarization Spectra

Stevenson, Arthur F., Heller, Wilfried, Wallach, Morton L.

Journal:

The Journal of Chemical Physics

Year:

1961

Language:

english

File:

PDF, 776 KB

english, 1961

11

Ethnisches Bewusstsein in Mittel- und Südosteuropa um 2000 = Ethnic Consciousness in Central and Southeast Europe around 2000by Peter Jordan; Károly Kocsis; P. Eberhardt

Review by: Wilfried Heller

Journal:

Year:

2007

File:

PDF, 411 KB

2007

12

Theoretical Investigations on the Light Scattering of Colloidal Spheres. VI. Backward Scattering

Nakagaki, Masayuki, Heller, Wilfried

Journal:

The Journal of Chemical Physics

Year:

1959

Language:

english

File:

PDF, 501 KB

english, 1959

13

Theoretical Investigations on the Light Scattering of Colloidal Spheres. IX. Lateral Scattering at 90° from Incident Natural and Linearly Polarized Light

Pangonis, William J., Heller, Wilfried, Economou, Nicolaos A.

Journal:

The Journal of Chemical Physics

Year:

1961

Language:

english

File:

PDF, 828 KB

english, 1961

14

Theoretical Investigations on the Light Scattering of Colloidal Spheres. X. ``Scattering Ratio'' and Depolarization of Light Scattered at an Angle of Observation of 90°

Heller, Wilfried, Pangonis, William J., Economou, Nicolaos A.

Journal:

The Journal of Chemical Physics

Year:

1961

Language:

english

File:

PDF, 851 KB

english, 1961

15

Theoretical Investigations on the Light Scattering of Colloidal Spheres. VII. Dissymmetry in Unpolarized and Polarized Light

Heller, Wilfried, Nakagaki, Masayuki

Journal:

The Journal of Chemical Physics

Year:

1959

Language:

english

File:

PDF, 762 KB

english, 1959

16

Theoretical Investigations on the Light Scattering of Colloidal Spheres. VIII. Angular Location of Intensity Maxima and Minima in the Radiation Diagram of Colloidal Spheres

Nakagaki, Masayuki, Heller, Wilfried

Journal:

The Journal of Chemical Physics

Year:

1960

Language:

english

File:

PDF, 745 KB

english, 1960

17

Grenzüberschreitende Beziehungen zwischen den alten und den neuen Bundesländern in Deutschland nach der politischen Wende: Welche Seite profitiert am meisten?

Heller, Wilfried

Journal:

Zeitschrift für Wirtschaftsgeographie

Year:

1994

File:

PDF, 3.26 MB

1994

18

Die Strukturen UV-B-induzierter Sonnenschutzpigmente der Kiefer (Pinus sylvestris L.)

Dipl.-Chem. Tim P. Jungblut, Dr. Jörg- P. Schnitzler, Dr. Werner Heller, Dr. Norbert Hertkorn, Dr. Jörg W. Metzger, Dr. Wilfried Szymczak, Prof. Dr. Heinrich Sandermann Jr.

Journal:

Angewandte Chemie

Year:

1995

Language:

german

File:

PDF, 395 KB

german, 1995

19

Structures of UV-B Induced Sunscreen Pigments of the Scots Pine (Pinus sylvestris L.)

Dipl.-Chem. Tim P. Jungblut, Dr. Jörg-P. Schnitzler, Dr. Werner Heller, Prof. Dr. Heinrich Sandermann Jr., Dr. Norbert Hertkorn, Dr. Wilfried Szymczak, Dr. Jörg W. Metzger

Journal:

Angewandte Chemie International Edition

Year:

1995

Language:

english

File:

PDF, 389 KB

english, 1995

20

Mechanical and surface coagulation: I. Surface coagulation of α-FeOOH sols

Wilfried Heller, James Peters

Journal:

Journal of Colloid and Interface Science

Year:

1970

Language:

english

File:

PDF, 3.12 MB

english, 1970

21

Mechanical and surface coagulation: IV. Prevention of mechanical coagulation by surface-active additives

Wilfried Heller, James Peters

Journal:

Journal of Colloid and Interface Science

Year:

1971

Language:

english

File:

PDF, 654 KB

english, 1971

22

Mechanical and surface coagulation: V. The role of the solid-liquid interface and of turbulence in mechanical coagulation

William B Delauder, Wilfried Heller

Journal:

Journal of Colloid and Interface Science

Year:

1971

Language:

english

File:

PDF, 833 KB

english, 1971

23

Mechanical and surface coagulation: III. Promotion of mechanical coagulation by addition of destabilizing electrolyte

Wilfried Heller, William B De Lauder

Journal:

Journal of Colloid and Interface Science

Year:

1971

Language:

english

File:

PDF, 405 KB

english, 1971

24

The scattering of light and other electromagnetic radiation: By Milton Kerker. Academic Press, New York/London, 1969. 666 pp. $33.50

Wilfried Heller

Journal:

Journal of Colloid and Interface Science

Year:

1971

Language:

english

File:

PDF, 92 KB

english, 1971

25

Mechanical and surface coagulation: VI. Differential surface coagulation in two-component colloidal solutions

Seydou Diop, Wilfried Heller, Sam Kalousdian, J.H.L Watson

Journal:

Journal of Colloid and Interface Science

Year:

1979

Language:

english

File:

PDF, 1.48 MB

english, 1979

26

Molecular electro-optics. Electro-optic properties of macromolecules and colloids in solution: Edited by Sonja Krause, Plenum Press, New York/London, 1981. 520 pp. $59.50

Wilfried Heller

Journal:

Journal of Colloid and Interface Science

Year:

1982

Language:

english

File:

PDF, 210 KB

english, 1982

27

Herbert Freundlich

Wilfried Heller

Journal:

Journal of Colloid and Interface Science

Year:

1982

Language:

english

File:

PDF, 2.19 MB

english, 1982

28

An integrated study of fill and deformation in the Andean intermontane basin of Nabón (Late Miocene), southern Ecuador

Dominik Hungerbühler, Michael Steinmann, Wilfried Winkler, Diane Seward, Arturo Egüez, Friedrich Heller, Mary Ford

Journal:

Sedimentary Geology

Year:

1995

Language:

english

File:

PDF, 1.77 MB

english, 1995

29

Comparative studies on photoelasticity of elastomers and plastomers

Wilfried Heller, Hans Oppenheimer

Journal:

Journal of Colloid Science

Year:

1948

Language:

english

File:

PDF, 1.52 MB

english, 1948

30

The volume requirements of polymer molecules. I. The apparent specific volume of polystyrene in solution

Wilfried Heller, Arthur C Thompson

Journal:

Journal of Colloid Science

Year:

1951

Language:

english

File:

PDF, 1.37 MB

english, 1951

31

Treatment of viscosity data on polymer solutions (an analysis of equations and procedures): I. Intrinsic viscosity and limiting slope constants

Wilfried Heller

Journal:

Journal of Colloid Science

Year:

1954

Language:

english

File:

PDF, 1.08 MB

english, 1954

32

Experimental investigations on the light scattering of colloidal spheres: III. The specific scattering at 90°

Richard M Tabibian, Wilfried Heller

Journal:

Journal of Colloid Science

Year:

1958

Language:

english

File:

PDF, 976 KB

english, 1958

33

Anisotropic light scattering by flowing flexible macromolecules

Masayuki Nakagaki, Wilfried Heller

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1959

Language:

english

File:

PDF, 650 KB

english, 1959

34

Fine particle measurement, size, surface and pore volume. CLYDE ORR, Jr. and J. M. DALLAVALE. Macmillan, New York, 1959. 353 pp. $10.50.

N. G. Gaylord Editor, Wilfried Heller

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1959

Language:

english

File:

PDF, 72 KB

english, 1959

35

“Steric” stabilization of colloidal solutions by adsorption of flexible macromolecules

Wilfried Heller, Thomas L. Pugh

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1960

Language:

english

File:

PDF, 911 KB

english, 1960

36

Macromolecular shape from light scattering in streaming solutions

Wilfried Heller, Eiichi Wada, Louis A. Papazian

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1960

Language:

english

File:

PDF, 233 KB

english, 1960

37

Coagulation and stabilization of colloidal solutions with polyelectrolytes

Thomas L. Pugh, Wilfried Heller

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1960

Language:

english

File:

PDF, 523 KB

english, 1960

38

Rheology of disperse systems. Proceedings of a Conference Organized by the British Society of Rheology, edited by C. C. MILL. Perga-mon Press, New York, 1959, VII + 223 pp. $9.50

Wilfried Heller

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1960

Language:

english

File:

PDF, 147 KB

english, 1960

39

Range of practical validity of the debye and the rayleigh equations for determining molecular weights from light scattering and methods allowing a limited extension of this range

Wilfried Heller

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1965

Language:

english

File:

PDF, 759 KB

english, 1965

40

Application of dn/dc data for the determination of partial specific volumes of dissolved macromolecules. II. Partial specific volume of ovalbumin in aqueous solution

Wilfried Heller, Ellen Shirley E. Schwartz

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1972

Language:

english

File:

PDF, 900 KB

english, 1972

41

Schillerschichten als Reaktionsprodukte der langsamen Eisenchlorid-Hydrolyse

Hans Zocher, Wilfried Heller

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

1929

Language:

german

File:

PDF, 1.25 MB

german, 1929

42

Besondere Fälle und Uebergangserscheinungen der Thixotropie bei Eisenoxydsolen

Wilfried Heller

Journal:

Colloid & Polymer Science

Year:

1930

Language:

german

File:

PDF, 576 KB

german, 1930

43

Book reviews

Wilfried Heller, Andreas Grotewold, Bronislaw Misztal, D. Zimmer, Ernst Reiner, Thomas R. Leinbach

Journal:

Year:

1987

Language:

english

File:

PDF, 1.98 MB

english, 1987

44

Studienreform im Lichte des Bologna-Prozesses

Wilfried Heller

Journal:

Standort - Zeitschrift für angewandte Geographie

Year:

2006

Language:

german

File:

PDF, 117 KB

german, 2006

45

Surface tension measurements by means of the “microcone tensiometer”

Wilfried Heller, Mien-Hsiung Cheng, Bettye W Greene

Journal:

Journal of Colloid and Interface Science

Year:

1966

Language:

english

File:

PDF, 2.35 MB

english, 1966

46

Mechanical and surface coagulation: II. Coagulation by stirring of α-FeOOH-sols

James Peters, Wilfried Heller

Journal:

Journal of Colloid and Interface Science

Year:

1970

Language:

english

File:

PDF, 595 KB

english, 1970

47

Experimental investigations on the light scattering of colloidal spheres: I. The specific turbidity

Richard M. Tabibian, Wilfried Heller, Joseph N. Epel

Journal:

Journal of Colloid Science

Year:

1956

Language:

english

File:

PDF, 969 KB

english, 1956

48

Experimental investigations on the light scattering of colloidal spheres. II. Sources of error in turbidity measurements

Wilfried Heller, Richard M Tabibian

Journal:

Journal of Colloid Science

Year:

1957

Language:

english

File:

PDF, 2.09 MB

english, 1957

49

The non-agricultural economy in post-socialist rural Romania: The insights and perceptions of national, regional and local institutions

Wilfried Heller

Journal:

Year:

1998

Language:

english

File:

PDF, 125 KB

english, 1998

50

Socioeconomic transformation in rural Romania through the eyes of experts: Demographic and social issues

Wilfried Heller

Journal:

Year:

2000

Language:

english

File:

PDF, 85 KB

english, 2000

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