TITLE

Monitoring of nitrogen gas purity by the hot filament method

AUTHOR(S)
Buhlmann, H.J.; Ilegems, M.
PUB. DATE
July 1997
SOURCE
Review of Scientific Instruments;Jul97, Vol. 68 Issue 7, p2871
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Focuses on the monitoring of nitrogen gas purity by the hot filament sensors. Monitoring of the resulting decrease in filament diameter and rise in filament resistance; Filament and sensors characterization; Theoretical estimate for the sensitivity of gas velocity.
ACCESSION #
4272767

 

Related Articles

  • Enhancement of remote sensing for mobile source nitric oxide. Zhang, Yi; Stedman, Donald H. // Journal of the Air & Waste Management Association (Air & Waste M;Jan96, Vol. 46 Issue 1, p25 

    The article discusses a NO detector-integrated carbon monoxide and hydrocarbon remote sensing system developed by the University of Denver at Denver, Colorado. Effectiveness of the system; Gamma distribution analysis of carbon monoxide, hydrocarbon, NO emission field measurement conducted at...

  • Design changes in the sample mount and temperature sensors of the Janis Supervaritemp Dewar: Liquid-nitrogen operation. Bouchalkha, A.; Wicksted, J. P.; Shields, P. // Review of Scientific Instruments;Aug1993, Vol. 64 Issue 8, p2389 

    A new sample holder for the Janis Supervaritemp Dewar has been designed which allows very accurate temperature readings at the sample and avoids sample breakage by reducing thermally induced stress. In addition, the successful operation of this helium dewar using liquid nitrogen has been...

  • Scientists try optical sensors to determine nitrogen rates in corn. Gautreaux, Craig // Delta Farm Press Exclusive Insight;7/26/2012, p6 

    The article discusses the use of the Greenseeker optical sensor by scientists at the Louisiana State University (LSU) Agricultural Center with a sensor-based nitrogen management system to determine nitrogen rates in corn. The sensors give a reading called normalized difference vegetative index...

  • N to the rescue. Swoboda, Rod // Wallaces Farmer;Jun2011, Vol. 136 Issue 6, p4 

    The article presents methods on how to estimate Nitrogen (N) losses and how to correct N deficiencies. It suggests to use the late-spring soil nitrate test to approximate losses and apply extra N as a sidedress if required. It states that using aerial photos, chlorophyll meters and active canopy...

  • Place N where it pays best. VOGEL, JOHN // American Agriculturist (0161-8237);Jan2013, Vol. 210 Issue 1, p10 

    The article reports on the possibility of raising nitrogen efficiency up to 10% by using the crop-sensor technology.

  • Sensors help make nitrogen decisions about wheat crops. GRIEKSPOOR, P. J. // Kansas Farmer (0022-8583);Mar2013, Vol. 151 Issue 3, p42 

    The article discusses the usefulness of crop condition sensing technology such as Crop Circle and GreenSeeker sensors in the decision making for nitrogen application in wheat.

  • Sensors save N. VOGEL, JOHN // Ohio Farmer;Jan2013, Vol. 309 Issue 1, p37 

    The article focuses on crop-sensor technology, which helps in reducing the nitrogen side dressing rates and also increases the yield of corn and wheat in the year 2013.

  • Place N where it pays best. VOGEL, JOHN // Farmer;Jan2013, Vol. 131 Issue 1, p50 

    In this article, the author focuses on the use of the crop-sensor technology OptRx sensors which allow the farmers to raise nitrogen efficiency in corn and wheat plantation.

  • TRANC - a novel fast-response converter to measure total reactive atmospheric nitrogen. Marx, O.; Brümmer, C.; Ammann, C.; Wolff, V.; Freibauer, A. // Atmospheric Measurement Techniques;2012, Vol. 5 Issue 5, p1045 

    The article presents a study that determines the effectiveness of total reactive atmospheric nitrogen converter (TRANC) in measuring total reactive atmospheric nitrogen. It explores the basic concept of TRANC, which allows the quantification of all airborne reactive nitrogen compounds in high...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics