34 research outputs found
A NEW DETERMINATION OF N-A
No full textThe Avogadro constant was determined by measurements of the (220) lattice spacing, density, and molar mass of silicon crystals. The measured value is N-A = (6.0221379 +/- 0.0000025) x 10(23) mol(-1)
Ultrastructure and Ecology of Perispira ovum (Ciliophora: Litostomatea): An Aerobic, Planktonic Ciliate that Sequesters the Chloroplasts, Mitochondria, and Paramylon of Euglena proxima in a Micro-oxic Habitat
No full textMixotrophy in Marine Planktonic Ciliates: Physiological and Ecological Aspects of Plastid-Retention by Oligotrichs
No full textEffect of intravesical mitomycin C on recurrence of newly diagnosed superficial bladder cancer: interim report from the Medical Research Council Subgroup on Superficial Bladder Cancer (Urological Cancer Working Party)
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