Zobrazeno 1 - 10
of 42
pro vyhledávání: '"H. E. Braun"'
Autor:
H. E. Braun
Publikováno v:
A Cultural History of Genocide in the Early Modern World. :41-62
Publikováno v:
Journal of Economic Entomology. 84:1339-1343
studies with the granular insecticides chlorfenvinphos, chlorpyrifos, isofenphos, and terbufos showed that when these are applied properly as in-furrow treatments for the control of the onion maggot in organic soil, good control is obtained of the fi
Publikováno v:
Environmental Monitoring and Assessment. 16:137-150
Permethrin drift from two aerial applications at each of two sites in a potato growing area in Ontario were measured to a maximum distance of 61 m outside the treatment area. Droplet drift did not enter the adjacent surface water streams at either st
Autor:
H. E. Braun, Richard A. Frank
Publikováno v:
Bulletin of environmental contamination and toxicology. 44(6)
Organochlorine residues have been reported in many species of birds found dead or shot around the Great Lakes Basin. Raptors and fish-eating birds have had very high residues in the past while terrestrial seed- and insect-eaters have had relatively l
Autor:
H. H. Cheng, H. E. Braun
Publikováno v:
Canadian Journal of Plant Science. 57:689-695
Studies were carried out in 1971 and 1972 with chlorpyrifos [O,O-diethyl O-(3,5,6-trichloro-2-pyridyl) phosphorothioate] and leptophos [O-(4-bromo-2,5-dichlorophenyl) O-methyl-phenylphosphorothioate] used for cutworm control, and in 1973 with carbary
Publikováno v:
Journal of Wildlife Diseases. 13:313-322
Clinical, necropsy, bacteriologic, parasitologic, histopathologic, toxicologic and animal inoculation studies suggest that organochlorine (PBC, dieldrin and DDE) poisoning was an important factor in causing deaths of free-flying ring-billed gulls (La
Autor:
W. Schmid, M. v. Gülich, H.-E. Braun, W. Schäl, K. D. Karaschinski, G. Stork, H. Maier, J. G. Schindler
Publikováno v:
Fresenius' Zeitschrift für analytische Chemie. 299:115-118
Na+-, K+-, NH 4 + - und Ca2+ selektive coated glass-Elektroden wurden entwickelt, bei denen eine ionenselektive Carrier-PVC-Membran auf eine ionenselektive Glasschicht aufgebracht wird, die uber einen Innenelektrolyten mit der Ableitelektrode in Verb
Publikováno v:
Canadian Journal of Soil Science. 56:463-484
Soils from apple, cherry and peach orchards and vineyards were collected between 1972 and 1975 for analyses of major metals found in inorganic pesticides and for organochlorine and organophosphorus pesticides. The pattern of pesticide use for fruit p
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 40:1987-1994
Juvenile rainbow trout were reared for 24 wk on practical-type diets formulated with fish meals derived from coho salmon (Oncorhynchus kisutch) taken from Lake Michigan, Lake Ontario, and the Pacific Ocean. Levels of contaminants (DDT, chlordane, die
Publikováno v:
Canadian Journal of Animal Science. 62:799-806
Shredded newsprint is a potential source of bedding for livestock, but because it may contain certain heavy metals and polychlorinated biphenyls significant voluntary consumption of newsprint by animals would be undesirable. To determine consumption