Ultra-Violet Radiations; Their Uses and Limitations

Some Common Conditions Treated by Ultra-Violet Radiations

In this paper I have chosen some diseases and conditions which can be greatly benefited by the use of ultra-violet light. In writing these notes I have dealt with each subject from three points of view, viz : (1) the rationale of the use of the ultra-violet rays; (2) the available authoritative literature on the subject; and (3) the technique in detail. The following ten conditions will now be ...

Models of Decisionmaking: Their Uses and Limitations

This paper critically surveys explicit models of actual decisionmaking. How are the models derived? How are the models used and evaluated? What conceivable value can the models have? Are there better practices for creating and using models of decisionmaking? Contact: Patrick D. Larkey Heinz School of Public Policy and Management Carnegie Mellon University Email: [email protected] Models of D...

Genetics: Stadler and Sprague Genetic Effects of Ultra-violet Radiation in Maize. H. Filtered Radiations

ULTRA-VIOLET RADIATIONS IN CONDITIONS OF EXTREhlE CALCIUM AND PHOSPHORUS DEFIClENCY

Definite research for the causative factors in the nutritional disturbance known as rickets was begun by various observations as to its distribution and occurrence. In 1890 T. A. Palm (1) showed by a geographical survey that lack of sunlight seemed to be one of the chief factors in the causation of rickets. This led to the use of the sun bath in the treatment of rachitic children. In 1914 Rolli...

Medical Uses of Ionising Radiations