Results 211 to 220 of about 582,363 (267)

A novel composite of chitosan and Bacillus subtilis exopolysaccharide for the removal of methylene blue from aqueous solutions. [PDF]

Sci Rep
Abd-Alla MH, Hassan EA, Mohammed EA, Bashandy SR.   +3 more
europepmc   +1 more source

Engineering multifunctional microspheres for sequential regulation of osteoimmune microenvironment and bone remodeling balance to promote regeneration of osteoporotic bone defects. [PDF]

J Orthop Translat
Luo Z, Ma J, Yang Y, Zhang H, Du Y, Dai J, Wang Y, Zhang W, Ma X, Lai Y.   +9 more
europepmc   +1 more source

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On Distinguishing Prime Numbers from Composite Numbers

The Annals of Mathematics, 1983
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Adleman, Leonard M., Pomerance, Carl, Rumely, Robert S.   +2 more
openaire   +2 more sources

Prime and Composite Numbers

2021
A positive integer p is called a prime, if p has exactly two different positive divisors. Every prime p is thus greater than 1 and it is divisible by itself and 1. Positive integers greater than 1 are called composite if they are not primes.
Michal Křížek, Lawrence Somer, Alena Šolcová   +2 more
openaire   +1 more source