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The influence of nitrogen fertilization on assimilatory apparatus and growth increment of spruce growing in different densities
1999
Pokorny, R. | Salanska, P. (Akademie Ved, Brno (Czech Republic). Ustav Ekologie Krajiny)
Effect of altitude on the occurrence of cambioxylophages in spruce
1999
Kula, E. (Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Lesnicka a Drevarska Fakulta) | Zabecki, W.
Fishery harbour manual on the prevention of pollution
1999
Sciortino, J. A. | Ravikumar, R.
The European critical levels for ozone: improving their usage Full text
1999
Grünhage, Ludger | Jäger, Hans-Jürgen | Haenel, Hans-Dieter | Löpmeier, Franz-Josef | Hanewald, Klaus
Proceedings of National Seminar on Environmental Pollution and Water Resources Management | Environmental pollution and water resources management
1999
Chand, Satish | Tiwari, S. N. | Prasad, S. C.
Forest growth responses to the pollution climate of the 21st century
1999
Sheppard, L. J. (Lucy J) | Cape, J. N.
Wetland systems for water pollution control 1998
1999
Cooper, P. F. (Paul F)
Behavior of EPN with mice to explain the sudden death of Bombycille
1999
Yamamoto, A. (Nagano-ken. Research Inst. for Health and Pollution (Japan)) | Tsukioka, T. | Yoshida, T. | Sato, M. | Maruyama, S.
Determination of pyrimidifen in agricultural products by GC/MS
1999
Tsukioka, T. (Nagano-ken. Research Inst. for Health and Pollution (Japan)) | Terasawa, J. | Miyagawa, A. | Sato, M.
A method by GC/MS has been established for the determination of Pyrimidifen in agricaltural products. The Pyrimidifen in agricultural products is extracted with acetone, concentrated, and extracted with n-hexane. The solution is cleaned up with a Florisil column and subjected to a determination by GC/MS using p-terphenyl-d14 as the internal standard. This method is featured by the recovery over 80 % with its C .V. below 8 % and the detection limit 1 micro g/kg. This method, excellent in sensitivity and selectivity, is useful as a rutine analytical method for agricultural products.
Show more [+] Less [-]Survey of chemical substances in freshwater fish
1999
Terasawa, J. (Nagano-ken. Research Inst. for Health and Pollution (Japan)) | Miyagawa, A. | Tsukioka, T. | Sato, M.