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Electron-microscope studies of drosophila salivary-gland chromosomes
TLDR
It was found that formalin preserves the fine structure of the chromosomes better than the other fixatives used, and a model for chromosome structure is proposed. Expand
Electron microscope studies of silver salmon spermatozoa (Oncorhynchus kisutch [Walbaum]).
TLDR
The electron microscope has been used to study the structure of spermatozoa of the silver salmon, Oncorhynchus kisutch (Walbaum), and highly significant differences in tail widths with different fixatives were found. Expand
THE DETERMINATION OF STABLE SCANDIUM IN PLANTS, ANIMALS, SEDIMENTS, SANDS, SOILS, ROCKS AND MINERALS BY NEUTRON-ACTIVATION ANALYSIS
Abstract A method is described for the determination of stable scandium in samples of plants, animals, sediments, soils, rocks and minerals. The samples and comparator standards were irradiated in aExpand
THE OCCURRENCE AND DISTRIBUTION OF RADIOACTIVE NON-FISSION PRODUCTS IN PLANTS AND ANIMALS OF THE PACIFIC PROVING GROUND
Radiochemical separations were made on selected samples of biological materials from the Pacific Proving Ground. The isotopes in the separated fractions were identified by their half lives, maximumExpand
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