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The periodic table

1991
Abstract The roots are real and distinct, real and equal, or complex according as b2 — 4ac is positive, zero, or negative respectively. The sum of the roots is — b/a; the product of the roots is c/a.
openaire   +1 more source

Bimetallic cooperation across the periodic table

Nature Reviews Chemistry, 2020
Jesús Campos
semanticscholar   +1 more source

Advances in cluster superatoms for a 3D periodic table of elements

Coordination chemistry reviews
Zhixun Luo, Shiquan Lin
semanticscholar   +1 more source

The Case For Periodic Cancer Detection Examinations

Ca-A Cancer Journal for Clinicians, 1967
V A Gilbertsen
exaly  

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