Cause and effects of soil erosion in agricultural systems.

Article describes a system comprised of a wetland and a water storage reservoir linked to a network of subsurface pipes used at different times to either drain or irrigate crops through the root zone.…

The system integrates country-based information from FAO's thematic and statistical databases. Provides country profiles on the state of food, nutrition and agriculture.

An advisory system on tobacco blue mold.

Site contains a detailed description of the services and philosophy of this Indian organisation which advises on environmentally benign farming systems.

Details of the symposium of the International Farming Systems Association. Held at Vila Real, Portugal; 3-8 April 2004.

Advanced Research Systems supplies open and closed cycle cryostats, sample holders and accessories for x-ray diffraction, optical microscopy, magnetics, electron spin resonance and other areas of low temperature research.…

…er Hughes Drilling Fluids' AQUA-DRILL(SM) glycol fluid system provides operators worldwide with a high-performance, environmentally safe alternative to traditional oil and synthetic-base drilling fluids.…

…ught provoking material for both physicists and information systems professionals.…

A tutorial introducing the use of dynamical systems to study the large scale structure of the universe.

Instruments for Test, Measurement, Research and Analysis. Stanford Research Systems offers a complete line of scientific and engineering test and measurement equipment.

…spection used in the fabrication and installation of piping systems.…

Fiberoptic Systems, Inc. is a manufacturer of fiberoptic light pipes and other fiberoptic custom assemblies for aerospace, military, medical, computer, and industrial applications.

Search system for abstracts in astrophysics, planetary sciences and solar physics.

The Astrophysics Data System (ADS) is a NASA-funded project which maintains four bibliographic databases containing more than 4.0 million records: Astronomy and Astrophysics, Instrumentation, Physics and Geophysics, and preprints in Astronomy.…

A table to help build or draw a scale model of the solar system. Specify the size of the sun and the sizes of and distances between various objects are calculated.

A compilation of links on system modeling and simulation.

Lindo Systems, Inc frequently publishes usefull and valuable information for Operations Research with enormous number of relevant examples using its different optimization software products.…

Web pages for textbook on queueing systems containing - (a) Sample Sections (b) Slides for Lectures (c) Solution Manual (d) Sample Tests and Solutions (e) Additional queueing related material…

ABACUS is a software system which provides a framework for the implementation of branch-and-bound algorithms using linear programming relaxations that can be complemented with the dynamic generation of cutting planes or columns (branch-and-cut, branch-and-price,branc…