6 research outputs found

    Substantial and sustained reduction in under-5 mortality, diarrhea, and pneumonia in Oshikhandass, Pakistan : Evidence from two longitudinal cohort studies 15 years apart

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    Funding Information: Study 1 was funded through the Applied Diarrheal Disease Research Program at Harvard Institute for International Development with a grant from USAID (Project 936–5952, Cooperative Agreement # DPE-5952-A-00-5073-00), and the Aga Khan Health Service, Northern Areas and Chitral, Pakistan. Study 2 was funded by the Pakistan US S&T Cooperative Agreement between the Pakistan Higher Education Commission (HEC) (No.4–421/PAK-US/HEC/2010/955, grant to the Karakoram International University) and US National Academies of Science (Grant Number PGA-P211012 from NAS to the Fogarty International Center). The funding bodies had no role in the design of the study, data collection, analysis, interpretation, or writing of the manuscript. Publisher Copyright: © 2020 The Author(s).Peer reviewedPublisher PD

    پروفیسر عنایت علی خان کا عصری شعور (ظریفانہ شاعری کے تناظر میں)

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    Professor Inayat Ali khan is a renowned Urdu comic poet of Modern era. He has portrayed the spectrum of life in such a manner that it emerges as the factor responsible for entertainment for its readers. He has entertained various social and theoretical subjects in his comic poetry. This element lifts his comic poetry from mere comedy to a thoughtful and witty piece of literature. This article is a study of social aspects in the comic poetry of professor Inayat Ali Khan

    Electronic, optical and thermoelectric properties of SnGa2GeX6 (X = S, Se) compounds

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    Elektronické, optické a termoelektrické vlastnosti dvou kvartérních chalcogenidů SnGa2GeX6 (X = S, Se) byly studovány pomocí funkční teorie hustoty. Modifikovaný výměnný potenciál Becke-Johnson (mBJGGA) byl použit k výpočtu pásových mezer těchto sloučenin. Obě sloučeniny vykazují přímé zakázané pásmo 1,74 a 1,24 eV pro SnGa2GeS6 a SnGa2GeSe6. Zakázané pásmo klesá při nahrazení kationtů X ze S do Se. Optické vlastnosti, jako je dielektrická funkce, ztráta energie, koeficient rozšíření, index lomu a odrazivost těchto sloučenin. Termoelektrické vlastnosti jsou zkoumány pomocí Boltzmannovy statistiky pomocí kódu BoltzTrap. Vysoké absorpční špičky a hodnoty (ZT) pro obě sloučeniny odhalují, že jsou dobrými kandidáty na optoelektroniku a termoelektrická zařízení.Electronic, optical and thermo-electric properties of two quaternary chalcogenides SnGa2GeX6 (X = S, Se) have been studied by using density functional theory. Modified Becke-Johnson exchange potential (mBJGGA) was used to calculate the band gaps of these compounds. Both compounds show pseudo direct band gap of 1.74 and 1.24 eV for SnGa2GeS6 and SnGa2GeSe6, respectively. The band gap decreases when replacing the X cations from S to Se. The optical properties such as dielectric function, energy loss function, extension coefficient, refractive index, and reflectivity of these compounds are discussed in details. The thermo-electric properties are studied using Boltzmann statistics through BoltzTrap code. High absorption peaks and figure of merits (ZT) for both compounds reveal that they are good candidates for the optoelectronics and thermo-electric devices
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