Swedish Urban ChildrenAmsterdam GrowthLate MaturersAgeAdolescenceMaturationFatnessAdulthoodHeight, weight, and tissue accrual were determined in 60 male and 53 female adolescents measured annually over six years using standard anthropometry and dual-energy X-ray absorptiometry (DXA). Annual velocities were ...
◇ The new study, published in the British Journal of Sports Medicine, drew from data from more than 1 million male Swedish conscripts between 16 and 25, who were followed for an average of 33 years from 1968 to 2005. 这项发表在《英国运动医学》杂志上的新研究查看了超100万名16岁至25岁瑞...
According to the Chemical Heritage Foundation, Jöns Jacob Berzelius, a Swedish chemist who also discovered cerium, selenium, and thorium, first isolated silicon in 1824. According to the Thomas Jefferson National Accelerator Facility, Berzelius heated silica with potassium to purify silicon, but ...