نتایج جستجو برای: mass percent

تعداد نتایج: 566966  

Journal: :Journal of Research of the National Bureau of Standards, Section C: Engineering and Instrumentation 1962

احمد سلیم زاده, , احمدرضا جمشیدی, , عبدالهادی تاجی, , فرهاد شهرام, , فرهاد قریب دوست, , فریدون دواچی, , محمد پژوهی, , محمود اکبریان, ,

Introduction: The bone mass density (BMD) may vary in different countries due to different genetic and environmental factors. This study was performed to determine the BMD of the normal population in Iran. Methods and Materials: Subjects were selected randomly from different works and social classes in Tehran (from the lowest to the highest). For each decade and sexes, 20 normal subjects were s...

Journal: :The New England journal of medicine 2004
Anthony W Solomon Martin J Holland Neal D E Alexander Patrick A Massae Aura Aguirre Angels Natividad-Sancho Sandra Molina Salesia Safari John F Shao Paul Courtright Rosanna W Peeling Sheila K West Robin L Bailey Allen Foster David C W Mabey

BACKGROUND Trachoma, caused by repeated ocular infection with Chlamydia trachomatis, is an important cause of blindness. Current recommended dosing intervals for mass azithromycin treatment for trachoma are based on a mathematical model. METHODS We collected conjunctival swabs for quantitative polymerase-chain-reaction assay of C. trachomatis before and 2, 6, 12, 18, and 24 months after mass ...

1998
F. Branca Francesco Branca

A large body of evidence relates nutrition in the early stages of life to health later in life. Osteoporosis, a disease affecting several million older people worldwide, is a condition that must be prevented from childhood. Bone grows longitudinally and cross-sectionally during childhood and adolescence, with the largest accumulation of skeletal tissue (50 percent of the total mass) taking plac...

Journal: :Didactics of Mathematics 2015

Journal: :Journal of Economic Perspectives 2013

Journal: :The Serials Librarian 2004

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