We recall the emergence of the “He problem”, its currently accepted solution, and we summarize the presently available constraints on models of stellar nucleosynthesis and studies of Galactic chemical evolution from measurements of the abundance of He in the Galaxy. 1 In the beginning was tralphium The isotope He probably first entered the astrophysical arena in 1949 with the (unpublished) calc...

В статье ставится задача раскрыть значение деятельности митрополита Леонтия (Туркевича) для организации русской церковной эмиграции в Северной Америке 1900–1960 гг. С использованием публикаций на русском и английском языке описывается его биография основные направления деятельности. Труды были чрезвычайно важны Православной Церкви Америке, развития образования, просвещения приходской жизни амер...

The amazing wide range, applications of gold nanoparticles corresponding to excellent optical and electronic properties enhance utilization Au NP as PH sensor. Gold were synthesized in simple rapid Turkevich method accomplish sensing technologies covalent or non-covalent, bonds formation causes, aggregation the target substance. characterization was studied using XRD, UV-spectroscopy SEM. XRD i...

cefixime is essential member of orally energetic third generation cephalosporin and has tremendous activity aligned with many pathogens. the virtual bioavailability of a newly industrial dispersible tablet as compared with a recognized identified formulation. a simple and available reversed-phase hplc method with uv detection has been urbanized and validate for cefixime evaluate in human plasma ...