CEP: June 2005 The problems mentioned by Dr. Fthenakis in the April 2005 issue (p. 5) are critical and we have to start to deal with them immediately. Any plan for developing technology on the larger scale can only use technology for which all problems have been reliably solved at least in the research stage... Share The Hydrogen Economy: Clarifications on Solar Cell Technologies June2005Critical Issues Ensure Proper Design and Operation of Multi-Pass Trays June2005Reactions and SeparationsMark Pilling To function properly at optimum capacity and efficiency, multi-pass trays must be designed so that the liquid and vapor flows are properly balanced. This article provides guidance on how to achieve that. Use Logic Diagrams to Analyze Failure Mechanisms June2005SafetyThiago Tinoco PiresHere’s how to construct and apply continuous-value and single-value network diagrams, which can better represent system failure mechanisms than other logic diagrams. Public Access to Business Related Environmental Information June2005Environmental ManagementStephen A. Roosz Take advantage of the Freedom of Information Act to obtain information while protecting your regulatory submissions to the extent possible. Use TRIZ to Plan, Forecast and Think Strategically June2005Career CatalystJack HippleThe TRIZ principles and techniques used to solve technical problems inventively can be adapted to run a business more effectively and more profitably. Copyright Permissions: Would you like to reuse content from CEP Magazine or purchase an article reprint? Learn more about Reprints and Permissions.