- document
-
Korevaar, A. (author)Dr. Ir. A. Korevaar was bibliothecaris van de Technische Hogeschool in Delft (1925-1951) en privaat docent in de chemie aan de Rijksuniversiteit Leiden.journal article 1926
- document
- Wieringa, K.T. (author) journal article 1935
- document
- De Borst, C. (author), Heertjes, P.M. (author), Waterman, H.I. (author) journal article 1938
- document
- Kluyver, A.J. (author), Manten, A. (author) journal article 1942
- document
-
Bruijn, N.G. (author)Concerning the roots of trigonometric integrals G. P61ya (see references at the end of the paper) has proved a number of results which he derived from properties of the roots of polynomials.journal article 1948
- document
- Van Niel, C.B. (author) journal article 1949
- document
-
Kluyver, A.J. (author), Visser, J. (author)1. A method has been developed for testing the filtration efficiency of some filter materials. For each of the materials investigated — cotton wool, stillite and carbon — a suitable filter has been devised. 2. The filtered air was analyzed as to its germ content with the aid of a set of 3 capillary impingers. 3. The cotton wool filter gave on...journal article 1950
- document
- journal article 1954
- document
- journal article 1954
- document
- journal article 1954
- document
- journal article 1954
- document
- journal article 1954
- document
- journal article 1955
- document
- journal article 1955
- document
- journal article 1955
- document
- journal article 1955
- document
- journal article 1955
- document
- journal article 1955
- document
- Rook, J.J. (author) journal article 1955
- document
- Ligtenberg, F.K. (author) journal article 1956