Science News Archive - September 28, 2008
By Liset Mrquez SAN DIMAS - There are hundreds of roots in the ground at Frank G. Bonelli Regional Park, and on Saturday more than 20 volunteers were busy leaving their own mark. The volunteers were participating in National Public Lands Day at the park, where 30 trees were planted.
By Jason Pesick The U.S. Environmental Protection Agency does not plan to set a drinking-water standard for perchlorate, a common regional contaminant used in explosives like rocket fuel and fireworks.
By Anonymous Nanogen and Elitech Group Combine in vitro Diagnostics Companies Nanogen, Inc.
By McMahon, Terry You never step twice into the scone river for ever newer waters are flowing on you. - Heraclitus of Ephesus (circa 400 B.C.) Transitions are usually only perceived in retrospect.
By Shelley, Suzanne MATERIALS A chemical engineering professor at The Univ. of Texas at Austin and his team worldwide have developed a chlorine-tolerant membrane that could simplify the water desalination process - increasing the availability of fresh water and possibly reducing greenhouse gases.
By Anonymous Foster Wheeler Receives Contract for Fluidized-Bed Steam Generators Foster Wheeler Corp. (Hamilton, Bermuda; www.fwc.com), a global engineering and construction contractor with operational headquarters in Clinton, NJ, has been awarded a contract by Isolux Ingenieria S.A.
By McKeon-Slattery, Matthew The Synthetic Organic Chemical Manufacturers Association (SOCMA) and the U.S. Dept. of Homeland Security (DHS) recently hosted 350 attendees at the 2008 Chemical Sector Security Summit.
By Adams, Ray Poor economic forecasting has been a traditional weakness of the chemical industry, in part because the supply chain has been largely based on petrochemical feedstocks that are set in a push-driven mode - i.e., product is manufactured and then pushed into the marketplace.
By Bellantone, V Carofalo, I; De Tomasi, F; Perrone, M R; Santese, M; Tafuro, A M; Turnone, A ABSTRACT Ground-based particulate matter (PM) samplers, an XeF Raman lidar operating in the framework of the European Aerosol Research Lidar Network (EARLINET), and a sun/sky radiometer operating in the framework of the Aerosol Robotic Network (AERONET) have been used to characterize vertical profiles, optical and microphysical properties, and chemical composition of aerosols during the 29 June-1 July 2005 dust outbreak that occurred over the central-eastern Mediterranean.
By Anonymous Over the past year, more than four dozen AIChE members - ranging from Institute leaders to members-at-large - participated in mentoring visits to AIChE student chapters at 40 chemical engineering schools.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.