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Tajekoztato, gyors vizsgalati modszer osszes csiraszam, illetve coliform szam meghatarozasara (becslesere).
1980
Rodler M. | Laszlo N. | Rodler I. | Urban A. | Pogany I.
Projections pour 1985 et 2000 du nombre d' actifs familiaux et du nombre de chefs d' exploitation [France].
1980
Rattin S.
Variabilita nekterych znaku u bobu obecneho a jejich vztahy k hmotnosti rostliny.
1980
Graman J. | Pelikan E.
Die Bedeutung des Stichprobenumfanges bei der Messung und Bewertung von Immissionen.
1980
Buck M. | Doppelfeld A.
Quelques donnees sur la population des jeunes en France.
1980
Tersen G.
The relationship between the number of ears and the number of crown roots on a hill of rice plants [Oryza sativa]
1980
Yamazaki, K. | Katano, M. | Kawata, S. (Tokyo Univ. (Japan). Faculty of Agriculture)
Les SCOP, ces inconnues: 3 cas | The SCOP (Societes Cooperatives Ouvrieres de Production: Workers-Producer Cooperatives), an unknown quantity: 3 case studies
1980
Carbonneau, C.
Summary: The author presents the case histories of three Quebec Workers Cooperatives: the Harpell printing cooperative, the Charlevoix forestry cooperative, and the Manseau tomato co-op, and describes their problems and the solutions they hope will solve them.
Mostrar más [+] Menos [-]Significance of the number "E" in Biology
1980
Marques, P. (Universidade Tecnica, Lisbon (Portugal). Escola Superior de Medicina Veterinaria)
The author establishes the significance of the number "e" present in many equations of growth, allometry, etc., stating that this number expresses the increase of a given living mass (that grows with a given speed) when a determined space of time doubles, in the case of growth constantly proportional to the mass already present in each moment | L'Auteur etablit la signification reelle du nombre "e" present dans de nombreuses equations de croissance, d'allometrie, etc., en precisant que ce nombre traduit l'augmentation d'une masse vivante donnee (qui croit avec une certaine vitesse) quand un certaine espace de temps considere devient double, dans les cas ou la croissance est constamment proportionelle a la masse deja existente en chaque moment | O Autor estabelece o significado concreto do numero "e" presente em numerosas equacoes do crescimento, da alometria, etc. O referido numero traduz o aumento duma dada massa viva (em crescimento com uma dada velocidade) quando se torna duplo um certo espaco de tempo considerado, naqueles casos em que o crescimento e constantemente proporcional a massa ja existente em cada momento
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