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Article
Obstruction of a breathing system filter
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Article
Dr. J. Unrau
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Article
Mechanism of Uniform Field Breakdown in Hydrogen
ANY assessment of the validity of theories of electrical breakdown of gases in uniform fields requires an accurate knowledge of breakdown potentials and of the magnitudes of the fundamental ionization processe...
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Article
Studies on parasites of root maggots (Hylemya spp.; Diptera: Anthomyiidae) in the Netherlands in relation to their control in Canada
Populations ofH. brassicae in The Netherlands are similar to those in Eastern Canada. The most abundant parasites in The Netherlands areA. bilineata, A. bipustulata, andT. rapae. These are found in Canada. The in...