The New Encyclopædia Britannica, Volume 19Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 210
... particles in the glass . If this photosensitive glass is heat treated further , the particles act as nuclei , and opalescent regions of the glass devitrification prod- ucts are formed wherever the glass was exposed to the ultraviolet ...
... particles in the glass . If this photosensitive glass is heat treated further , the particles act as nuclei , and opalescent regions of the glass devitrification prod- ucts are formed wherever the glass was exposed to the ultraviolet ...
Page 436
... particles in a sandstone ) of the medium alone . It has the dimen- sions of a surface ( that formed by the interstices between particles ) and takes into account effects of stratification , packing , arrangement of grains , size ...
... particles in a sandstone ) of the medium alone . It has the dimen- sions of a surface ( that formed by the interstices between particles ) and takes into account effects of stratification , packing , arrangement of grains , size ...
Page 805
... particles called " Kappa " in the cytoplasm of the killer strains . Kappa particles , the size of small bacteria or large viruses , reproduce themselves by division and are trans- mitted only through the cytoplasm . Yet their mainte ...
... particles called " Kappa " in the cytoplasm of the killer strains . Kappa particles , the size of small bacteria or large viruses , reproduce themselves by division and are trans- mitted only through the cytoplasm . Yet their mainte ...
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