THE author of this book is the director of the lighting research laboratory of a large electrical firm in the United States and is well known as a prolific contributor to the technical literature ...

It indicates when the user has received the maximum suggested dose of UVR before an erythemal response, a minimal erythemal dose (MED). The device is a one square cm adhesive patch composed of ...

The results showed that ultraviolet erythemal radiation (UVER) - a measure of ground-level UV radiation - and seawater temperature were the prime contributors to plastic degradation. Armed with ...

UV tanning beds also start to appear in the U.S. 1980s: Australia, followed by other countries, accepts the definition of SPF as “the ratio of UV energy needed to produce a minimal erythemal ...

SPF measures the erythemal response of skin to UV light. Because UVA is 1,000 times less likely to induce erythema when compared UVB, SPF does not correlate well with the level of UVA protection ...

MICROBIOLOGICAL ANALYSIS OF ABDOMINAL CAVITY EXUDATE, BLOOD AND AFFECTED TISSUES SAMPLES FROM PATIENTS WITH INTRA-ABDOMINAL ABSCESSES IN COMPLICATED INFECTION OF ABDOMINAL CAVITY.