Nowadays, the study of the demographic processes issues includes such important problem as perinatal mortality.The level and structure of perinatal mortality are the main criteria for the population health and at the same time characterize the level of medical care organization and quality.The perinatal mortality indices depend on many factors, but
The present-day Cuban company must focus on the complex task of revolutionizing its organizational culture thus encouraging values guided towards quality, efficiency, innovation, knowledge and competitiveness, red pygmy dogwood all culminating the objective of potentiating its role as the fundamental link in the economical chain development.There f
click here A new highly sensitive detection tube for measurement of concentration of phosgene and diphosgene in air has been developed.The detection is based on chemical reaction of 4-(p-nitrobenzyl)pyridine and N-phenylbenzylamine which with phosgene (diphosgene) give characteristic red methine dye.As a copyright serves spherical granules (pellets
We present ab-initio calculations of secondary isotope effects on NMR chemical nightstick twm-850xl shieldings.The change of the NMR chemical shift of a certain nucleus that is observed if another nucleus is replaced by a different isotope can be calculated by computing vibrational corrections on the NMR parameters using electronic structure method