Explores factors that can explain the rapid evolution of the water sciences. Discusses the investment in measuring systems that allow characterizations of water properties and the expansion of mathematical and systemic approaches to the interpretation of data. Contains 23 references. (DDR)

Reviews background of atomic absorption spectrometry techniques. Discusses problems encountered and precautions to be taken in determining trace elements in the parts-per-billion concentration range and below. Concentrates on determining chromium in biological samples by graphite furnace atomic absorption. Considers other elements, matrices, and…

Presents a series of four applications of data acquisition, system control, and data analysis using personal computers. Covers topics of pilot plant information and control, automation of drug safety evaluation, analysis and characterization of petroleum resources, and high-speed analog-digital conversion connections. Part three of a series on…

Described is a means of logging data from remote sensors in data files and then transferring the data to a spreadsheet for processing. The presentation of the data in tabular or graphical form is discussed. An example using temperature data from a model house is provided. (Author/CW)