The sensor is a mass spectrometer system which continuously monitors the atmospheric constituents of hydrogen, water vapor, nitrogen, oxygen, and carbon dioxide, and monitors the Freons on a demand sampling basis. The manual provides a system description, operational procedures, and maintenance and troubleshooting instructions. Circuit diagrams…

This text, a revision and extension of the first three editions, consists of papers discussing the basic considerations in sampling air for specific purposes, sampler calibration, systems components, sample collectors, and descriptions of air-sampling instruments. (BT)

This book presents new ideas and approaches in research techniques in the areas of health, physical education, and recreation. Part 1, the introduction, includes two articles, which are "Why This Research?" by Arthur H. Steinhaus and "Overview of Research: Basic Principles" by Benjamin H. Massey. Part 2, discusses preparations…

A course in instrumentation offered through the British Open University included a television program which introduced and illustrated Fourier analysis and transducer response. The television component was evaluated using questionnaires, telephone interviews, and group discussions. The program was successful in that it demonstrated complicated…

Criterion-referenced testing (CRT) is defined as a method of ascertaining an individual's status with respect to some performance standard. Computer-assisted testing (CAT) is a method of constructing tests using a variety of computer techniques such as a single test computer printouts, stored item banks, teacher specified criteria, machine…

This 100-page manual serves as a technical reference for the "Healthy Water, Healthy People Water Quality Educators Guide" and the "Healthy Water Healthy People Testing Kits". Yielding in-depth information about ten water quality parameters, it answers questions about water quality testing using technical overviews, data interpretation guidelines,…