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Dimo Dimov, Toncho Penev and Ivaylo Marinov
Noise is defined as unwanted sound, whether chronic or periodic, and can be described in a variety of terms, including its frequency, intensity, frequency spectrum, and sound pressure shape over time. The sources of noise can be technical devices, variou...
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ZD Umar, A Bilkisu, A Bashir
Pág. 83 - 86
Date palm is widely cultivated, distributed and consumed by various individuals. Most of the date palm fruits sold in Nigeria are either damaged or has insufficient quality for human consumption. This study was carried out to determine the bacterial load...
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Louise Cilliers, François Retief
Pág. 229 - 239
In spite of an array of effective antibiotics, tuberculosis is still very common in developing countries where overcrowding, malnutrition and poor hygienic conditions prevail. Over the past 30 years associated HIV infection has worsened the situat...
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