مشروع البحث: Study of the effect of noise problem on the power station of alzawih
تحميل...
المساهمين
الممولين
رقم التعريف
5675
الباحث
عبدالحميد عبدالرحمن السنوسى
الوصف
Noise is an unwanted or damaging sound that may damage your hearing and cause other health effects such as stress, hypersensitivity to noise, increased blood pressure and increased heart rate. It can also interfere with communication at work, which could lead to accidents. The normal range of hearing for a healthy young person is from approximately 20 Hz (Hertz) to 20,000 Hz (20 kHz). Our ears are more sensitive to the middle frequencies, which range from 500 Hz to 4000 Hz - the speech frequencies. Hertz is a measure of the pitch or frequency of sound. [3]
الكلمات الدالة
NOISE PROBLEM AT THE POWER