INEXPENSIVE MICRO-SOIL SOLUTION SAMPLER

An Inexpensive Micro-Goniophotometry You Can Build

This paper describes the design and use of a microgoniophotometer. The instrument, configured with a CCD video camera and microscope optics, is meant to resolve goniophotometric measurements to microscopic dimensions for the study of the interactions between ink and paper in a variety of non-impact printing applications. Data for ink jet systems is used to illustrate the use of the instrument. ...

Ion-Selective Electrode Offers Accurate, Inexpensive Method for Analyzing Soil Solution Nitrate in Remote Regions

Ion-Selective Electrode Offers Accurate, Inexpensive Method for Analyzing Soil Solution Nitrate in Remote Regions Katherine L. Tully & Ray Weil a Agriculture and Food Security Center, Earth Institute, Columbia University, New York, New York, USA b Department of Environmental Science and Technology, University of Maryland, College Park, Maryland, USA Accepted author version posted online: 13 May...

Inexpensive solution for habit-tic deformity.

Two men, the first aged 52 years and the second aged 72 years, were diagnosed during the reporting period as having habit-tic deformity. Because of similarities in the history and examination findings of these patients, I will discuss their cases jointly. Neither of the patients stated this problem was his chief concern, but on identification of the condition, both admitted it had been present ...

Soil Micro and Macroorganisms

Evaluation of an inexpensive sensor to measure soil color