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CURRENT ISSUE: November/December 2014

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Gases & Instrumentation International Magazine (G&I) is a source of information for the technology and application of bulk and specialty gases. G&I also addresses gases-related instrumentation for measurement, detection and analysis. as well as gas flow measurement and control, vacuum and compressor technology, piping, and welding. It is designed for anyone involved with detection, analysis or delivery of gases from the university research laboratory to the production line. Vertical markets covered include semiconductors, photovoltaics, pharmaceutical, medical, chemical processing, electronics manufacturing, and food and beverage.

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November/December 2014
Executive Views: Acetylene Safety
Linde Gases, a division of The Linde Group, announced the launch of its worldwide safety program to improve the safe storage and transportation of acetylene cylinders by customers. Gases & Instrumentation had the opportunity to speak with John Romer, Head of Cylinder Process Safety and Standards at Linde about this program.

November/December 2014
Gas Compressors Control and Operation: Part I
Literature on “turbo-compressor surge” or “turbo-compressor condition monitoring” is popular. However, topics related to turbo-compressor control have not drawn that much attention. There is relatively little published on turbo-compressor control and its important effects on gas systems.

November/December 2014
Argon Recycle: Cryogenic- and Compressor-Based Designs
For alloy production facilities, argon costs can become a substantial burden to operating margins. As those costs continue to rise, industrial alloy production facilities are successfully employing argon recycle technologies to improve their bottom lines. The choice of technologies, primarily between cryogenic- and compressor-based designs, is driven by a host of factors.

November/December 2014
Passive, Wireless, Room-Temperature, RFID Hydrogen Gas Sensor
The National Aeronautic and Space Administration at Kennedy Space Center (NASA-KSC) expressed a need for room-temperature, selective, hydrogen (H2) gas sensors for leak detection and process monitoring. Successful implementation of passive, wireless hydrogen detection networks will allow distributed, continuous, remote monitoring of temperature and the presence and concentration of hydrogen gas. Passive sensors reduce the risk of accidental ignition and increase cost savings by decreasing service intervals.

November/December 2014
Adding Humidity To Trace Concentration Gas Standards
A key, but often overlooked factor in the behavior of gas sampling and measuring systems is the effect of relative humidity (RH) on the performance of the system. RH can have a significant effect on the sensitivity and stability of a sensor system. Even for sensors that are not sensitive to RH, the RH level may affect the efficiency of sample delivery to the sensor. Systems sampling ambient air should be calibrated with standards that simulate ambient air. This paper discusses the various techniques for adding humidity to trace concentration gas standards without compromising the accuracy of the standard.

November/December 2014
Defeating Defectivity and Variability in Semiconductor Sub-Components (SCIS/Defectivity Committee)
This is the third in a series of articles on the work of the newly formed SCIS (Semiconductor Components, Instruments, and Subsystems) working group.

November/December 2014
Editorial: How Did We Do In 2014?
The November December issue is the time when we look back on the year and ask how well have we done? There is a lot of technology and only so many pages. In the articles we published in the last six issues we covered a number of important topics and gas technology.

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Important Websites to Visit
Buckley Industrial can provide high quality hydrostatic testing facilities to companies worldwide.
OGSI: Manufacturer and marketer of on-site oxygen generators
Resources for those interested in becoming an instrumentation technician.

Book Documents Elimination Of MTBE In United States

The Oxygenated Gas Blues, written by Barry P. Dorfman, M.Ed., provides a detailed description of the grass-roots movement against the gasoline additive methyl tertiary butyl ether (MTBE)
(read more)



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