On the applicability to semirings of two theorems from the theory of rings and modules of an arbitrary module over
a ring into an injective module to the case of semirings are treated. It is proved
Electron spin resonance detection and identification of nitrogen centers in nanodiamonds nitrogen centers have been observed in synthetic diamond nanocrystallites with
a size of less than 10 nm
Highly efficient phosphine-catalyzed routes to α-imidoacrylates and 2,3-diimidopropanoates-imidoacrylates in quantitative yields is reported. These reactions offer
a simple metal-free method for
a gram-scale preparation
Multifrequency EPR and DENR of polyacetylene compositeThe organo-inorganic composite MoCl1.9 ± 0.1(C 30 ± 1H30 ± 1),
a product of interaction of MoCl5
The matrix equation AX-YB=C and related problemsThe main result of the paper is
a theorem, using which
a new proof of Roth's theorem is obtained,
a Infection after Arthroscopic Cuff Tear Repair (Case Report)Septic shoulder arthritis following arthroscopic surgery is
a rare complication, according
On p-Schreier varieties of semimodules-Schreier varieties, i.e., varieties whose projective algebras are all free. Among other results, we show that over
a