منابع مشابه
Auditory risk of air rifles.
OBJECTIVE To characterize the impulse noise exposure and auditory risk for air rifle users for both youth and adults. DESIGN Acoustic characteristics were examined and the auditory risk estimates were evaluated using contemporary damage-risk criteria for unprotected adult listeners and the 120-dB peak limit and LAeq75 exposure limit suggested by the World Health Organization (1999) for childr...
متن کاملHearing Hazard from Small-bore Rifles
Ever mindful of its duty to affiliated clubs and members, the National Small-bore Rifle Association organised a large-scale research project into this question by the Audiology Group of the Institute of Sound and Hearing at the University of Southampton. With the aid of a grant by the Medical Research Council and provision of ammunition and targets by the National Small-bore Rifle Association, ...
متن کاملTIME magazine
The purpose of this study was to evaluate the effect of two handwriting approaches, D’Nealian and Sunform, on kindergartners’ letter formations. Forty-one participants received D’Nealian handwriting instruction as the control group; 133 kindergartners were instructed in Sunform as the experimental approach. Pre-post tests at the beginning and end of school year asked kindergarten students to wr...
متن کاملRegimental doctoring in a battalion of the King's African Rifles.
THE following account is based on eighteen months' experience as R.M.O. of the 6th Battalion K.A.R. stationed at Dar es Salaam, Tang'anyika, East Africa. Dar es Salaam, the coastal capital of Tanganyika, is situated almost directly opposite Zanzibar Island. Its Arabic name means the "Haven of Peace" and despite the hustle and bustle of the modern world that centres round the new deep water bert...
متن کاملMineralogical Magazine
Tile crystal structures of sjogrenite and pyroaurite, two stacking modifications of approximate composition Mg.Fe.(OH),.(CO.).4H.O, have been determined by X-ray diffraction using three-dimensional methods. Sjogrenite is hexagonal, with a 3,13, C 15.66 A, space group P6.!mmc, Z = !; pyroaurite is rhombohedral, with aH 3,13, CH 23.49 A, space group R3m or R3m, Z = i. Both structures are based on...
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ژورنال
عنوان ژورنال: Royal United Services Institution. Journal
سال: 1882
ISSN: 0035-9289
DOI: 10.1080/03071848209433352