نتائج البحث

* peaking factor The ratio of peak to average .ow. ...er boiling. permanent threshold shift (PTS) A permanent hearing loss for a certain sound

* cation load factor y The sum of calcium, magnesium, sodium, and potassium expressed as calcium * CCOHS Canadian Centre for Occupational Health and Safety.

...dverse effect on human health would occur, including an adequate margin of safety. Rec­ommended levels are nonenforceable health goals. See also “maximum * red tide A reddish discoloration of water caused by an excessive growth of certain microbes, whose toxins can cause massive .sh kills.

...tive values of body mass index and waist circumference for risk factors of certain related diseases in Chinese adults: study on optimal cut-off points of body ...or=Dentali F, Squizzato A, Ageno W |title=The metabolic syndrome as a risk factor for venous and arterial thrombosis |journal=Semin. Thromb. Hemost. |volume=

| title=Immune activation is a dominant factor in the pathogenesis of African AIDS. | title=Blood safety....for too few