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8 Newest Publications about the topic gas cylinders

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Development of a Northern Continental Air Standard Reference Material

01-Mar-2016 | George C. Rhoderick; Duane R. Kitzis; Michael E. Kelley; Walter R. Miller; Bradley D. Hall; Edward J. Dlugokencky; P ..., Analytical Chemistry, 2016

The National Institute of Standards and Technology (NIST) recently began to develop standard mixtures of greenhouse gases as part of a broad program mandated by the 2009 United States Congress to support research in climate change. To this end, NIST developed suites of gravimetrically assigned ...

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Gas Temperature Effect on Reactive Species Generation from the Atmospheric Pressure Air Plasma

10-May-2013 | Ho Young Kim, Sung Kil Kang, Hyoung Cheol Kwon, Hyun Woo Lee, Jae Koo Lee, Plasma Processes and Polymers, 2013

Abstract Using surface type air atmospheric pressure plasma, we investigated the amount of ozone and other reactive species generation with variations of the surface temperature of an electrode through an optical emission spectrum and a tube type gas detector. Reduced version of global model ...

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Stability Assessment of Gas Mixtures Containing Monoterpenes in Varying Cylinder Materials and Treatments

24-Apr-2013 | George C. Rhoderick; Janice Lin, Analytical Chemistry, 2013

Studies of climate change increasingly recognize the diverse influences exerted by monoterpenes in the atmosphere, including roles in particulates, ozone formation, and oxidizing potential. Measurements of key monoterpenes suggest atmospheric mole fractions ranging from low pmol/mol ...

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Electron beam treatment of high NOx concentration off-gases

11-Jun-2012 | Andrzej G. Chmielewski, Yongxia Sun, Janusz Licki, Andrzej Pawelec, Sylwia Witman, Zbigniew Zimek, Radiation Physics and Chemistry, 2012

High concentration of NO x removal from simulated off-gases was investigated using electron beam (EB) technology. Simulated off-gases were prepared by combusting Polish light oil or nature gas with addition of NO from a NO gas cylinder. Irradiation was carried out under a ILU-6 accelerator. It ...

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Electron beam treatment of high NOxconcentration off-gases

01-Jan-2012 | Andrzej G. Chmielewski, Yongxia Sun, Janusz Licki, Andrzej Pawelec, Sylwia Witman, ..., Radiation Physics and Chemistry, 2012

High concentration of NOxremoval from simulated off-gases was investigated using electron beam (EB) technology. Simulated off-gases were prepared by combusting Polish light oil or nature gas with addition of NO from a NO gas cylinder. Irradiation was carried out under a ILU-6 accelerator. It was ...

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Failure Analysis of High Density Polyethylene Butt Weld Joint

28-Dec-2011 | Fawad Tariq, Nausheen Naz, Muhammad Amir Khan, Rasheed Ahmed Baloch, Journal of Failure Analysis and Prevention, 2011

This article discusses a detailed failure analysis conducted on high density polyethylene which acts as the liner of composite compresses natural gas cylinder. Leakage from the cylinder was observed after about 2000 cycles of hydrostatic pressure testing at 250 bars. Visual inspection revealed ...

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Nitrate removal from drinking water in a packed‐bed bioreactor coupled by a methanol‐based electrochemical gas generator

01-Oct-2010 | Ramazan Vagheei; Hossein Ganjidoust; Ali‐Akbar Azimi; Bita Ayati, Environmental Progress, 2010

Abstract Removal of nitrate from drinking water by a coupling of methanol‐based electrochemical hydrogen and carbon dioxide generator and a packed‐bed bioreactor was investigated. The major goal was to study the performance of this integrated system for simultaneous, economical, in situ, and ...

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Stability assessment of gas mixtures containing terpenes at nominal 5 nmol/mol contained in treated aluminum gas cylinders

08-Aug-2010 | George C. Rhoderick, Analytical and Bioanalytical Chemistry, 2010

Studies of climate change increasingly recognize the diverse influences exerted by terpenes in the atmosphere, including roles in particulates, ozone formation, and their oxidizing potential. Measurements of key terpenes suggest atmospheric concentrations ranging from low pmol/mol (parts per ...

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