细化搜索
结果 1-10 的 19
[Defense of environmental quality in areas of agricultural development]
1983
Moraga C, J. (Servicio Agricola y Ganadero, Santiago (Chile))
[Research advances on the influence of DDT on nitrogen fixation and forage seed germination in soils of Region 10]
1983
Romero, J. | Ruiz, V.M. | Urzua, H.
[The sulfate-acidity relationship in precipitation]
1983
Toro E, P. (Chile Univ., Santiago (Chile). Facultad de Ciencias Fisicas y Matematicas)
[Effect of urban water discharge into a large-bedded fluvial current, Valdivia, 1983]
1983
Scoebitz, R. | Montes, L. (Universidad Austral de Chile, Valdivia (Chile). Facultad de Ciencias Veterinarias)
[Heavy metals in the Mapocho River]
1983
Gaslaschi P, G. | Vergara F, I. | Schalscha B, E. (Chile Univ., Santiago (Chile). Facultad de Ciencias Basicas y Farmaceuticas)
[Comparative study of some methods of cyanide analysis in water]
1983
Bastidas, M.E. | Tello Rosales, A.
[Pollution prevention methods in fast flowing rivers]
1983
Rozas Elgueta, E. (La Serena Univ., Santiago (Chile))
[Heavy metals in the marine environment]
1983
Diaz, O. | Aguirre, S.
[Purification of water discharge using rotating biological filters]
1983
Abeliuk R, R.
[Bacteriological quality of Corral Bay waters in areas of mytilid production]
1983
Gesche, E. | Schadebrodt, G. (Universidad Austral de Chile, Valdivia (Chile))
