shovqin va titrash
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слайд 1 www.themegallery.com ishlab chiqarishdagi shovqin va titrash. reja: shovqin va titrashning inson organizmiga zararli ta'siri. shovqin va titrashning yuzaga kelish sabablari va manbalari. shovqin va titrashni tasniflash, muhofaza chora-ladbirlarini belgilash. infra va ultratovushlarning inson organizmiga zararli ta'siri. shovqin va tebranishdan himoyalanish vositalari. www.themegallery.com www.themegallery.com turli balandlik va chastotadagi tovushlaniing tartibsiz ravishda qo’silib eshitilishi shovqin deb ataladi. tovush bosimining nisbiy o’zgarishi shovqin kuchining boshlang’ich darajasi deb atalib, etalon sifatida qabul qilingan. www.themegallery.com shovqin kelib chiqishi bo’yicha asosan uch xil bo’ladi: 1. sanoat shovqin. 2. transport shovqini. 3. maishiy shovqinlar. shu bilan ...
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