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Mental Computation Performance and Strategy Use of Japanese Students in Grades 2, 4, 6, and 8

✍ Scribed by Robert E. Reys, Barbara J. Reys, Nobuhiko Nohda and Hideyo Emori


Book ID
111869616
Publisher
National Council of Teachers of Mathematics
Year
1995
Tongue
English
Weight
560 KB
Volume
26
Category
Article
ISSN
0021-8251

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Enzymatic Preparation of [2,4,5,6,8-14C,
✍ R. Irby; W.L. Adair πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 291 KB

To aid in investigations on the biosynthesis of pterinoid compounds, a procedure was developed for the preparation of double-labeled guanosine with 3H in the ribose moiety and 14C in the guanine ring. Ribose, as ribose-1-phosphate, was removed from [2,8,5'-3H]adenosine in a reaction using purine nuc