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Showing 1 to 20 of 102 for “"ammonium sulfate"”.

  1. EVOLUTION OF SELECTED ISOPRENE OXIDATION PRODUCTS IN DARK AQUEOUS AMMONIUM SULFATE

    Habib, D.M. Ashraf Ul

    mtu Repository record

  2. Pressure leaching of cassiterite and hydrogen reduction of tin from stannous-ammonium sulfate solutions

    Llanos R., ZenonColorado School of Mines. Arthur Lakes Library1970

    Includes bibliographical references.

    colo-mines Repository record

  3. Modeling and measurement of sodium chloride and ammonium sulfate droplet growth in laminar flow

    Zhao, ZhiyuUniversity of Illinois Urbana-Champaign2025

    … relevant salts—sodium chloride (NaCl) and ammonium sulfate ( (NH4)2SO4)—are investigated at multiple concentrations in a controlled laminar-flow environment. Droplets are generated via ultrasonic nebulization, transported through a polyethylene tube under well-characterized temperature and …

    uiuc Repository record

  4. Air stripping and biological treatment of ammonium sulfate wastewater from the caprolactam manufacturing process

    Smith, Roberta J.Virginia Polytechnic Institute and State University1994

    … conditions required for air stripping of ammonium sulfate wastewater from the caprolactam manufacturing process, to determine if biological nitrification is a viable means of treatment, and to identify any compounds present in the ammonium sulfate wastewater that (might) inhibit …

    vt Repository record

  5. Chemical Effects of the Nuclear Reaction Nitrogen-14(neutron,proton)carbon-14 in Crystalline Ammonium-Sulfate and Beryllium-Nitride

    Cornman, Wilmer Ray, Jr.University of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-05T19:36:02Z (GMT). No. of bitstreams: 1 0010463.pdf: 7338651 bytes, checksum: f767a7b268ce845d0ef592d4f91c9ea9 (MD5) Previous issue date: 1954

    uiuc Repository record

  6. Evaluation of combustion processes for production of feedstock chemicals from ammonium sulfate and ammonium bisulfate: An assessment of polychlorinated dibenzo-p-dioxins and furans in raw materials for cement production

    Liske, YvonneUniversity of Missouri--Rolla2016

    must-thes Repository record

  7. Rare Earth Extraction from Clayey Waste Materials by Alkali Pretreatment

    Liu, WeiVirginia Tech2023

    … consisting of NaOH pretreatment followed by ammonium sulfate leaching has been proposed to recover REEs from monazite, which served as a proxy for the rare earth phosphates identified in coal-based clays. In this process, monazite can be decomposed at 80 oC. The following ammonium sulfate …

    vt Repository record

  8. Isolation and Characterization of Staphylococcus Aureus Mf-31 Catalase (Enzyme, Protein)

    Barrier, William AlfredUniversity of Illinois at Urbana-Champaign2014

    … using ethanol-chloroform fractionation, ammonium sulfate precipitation, ultrafiltration and gel filtration.

    uiuc Repository record

  9. Speciated Local Aerosol Characteristics and Radiative Forcing at a Rural Midwestern Site

    Dillner, Ann MarieUniversity of Illinois at Urbana-Champaign2015

    … supports the view that species other than ammonium sulfate, namely EC, OC and dust-like aerosol, have significant radiative effects. Although the mass percentage of EC may be low at rural sites, ignoring the presence of EC aerosol leads to an over estimation of the aerosol forcing.

    uiuc Repository record

  10. A Study of in Vivo and in Vitro Immune Responses of the A/j Mouse to Plasmodium Berghei

    Twining, Linda CarolUniversity of Illinois at Urbana-Champaign2014

    … a soluble preparation of P. berghei, its ammonium sulfate precipitate and supernate.

    uiuc Repository record

  11. Troubleshooting, optimization and robustness testing of CeBER process for c-phycocyanin extraction and purification from spirulina

    Kadir, UzairDepartment of Chemical Engineering2025

    … separation, c-phycocyanin purification via ammonium sulfate precipitation), where the main aim was to optimize the operating conditions of the units and to mitigate redundancies in the pool of unit procedures. The second step involved assessing the performance of the overall process …

    cape-town Repository record

  12. Aerosol Optical Properties and the Influence of Particulate Organic Matter

    Wang, WeiUniversity of Illinois at Urbana-Champaign2015

    … inorganic compounds (i.e., sodium chloride and ammonium sulfate) and that increasing the mass ratio of these organic species results in a reduction in the aerosol's optical hygroscopicity. (Abstract shortened by UMI.).

    uiuc Repository record

  13. Microphysics of atmospheric aerosols : phase transitions and cloud formation mechanisms

    Zuberi, Bilal, 1976-Massachusetts Institute of Technology2003

    … results for homogeneous nucleation in aqueous ammonium nitrate particles show that the current thermodynamic models do not correctly predict water activities in these particles under super-saturated conditions. High super-saturations are required for ice to nucleate homogeneously in aqueous …

    mit Repository record

  14. Forage Utilization and Nitrogen Management of Tall Fescue Stockpiled for Winter Grazing

    Shireman, Nathan ToddVirginia Tech2015

    … grazing. In mid-September, seven N sources (ammonium sulfate (AS), ammonium nitrate (AN), urea + Agrotain @ 2.1 l/Mg (AG2), urea + Agrotain @ 4.2 l/Mg (AG4), urea + Agrotain @ 6.3 l/Mg (AG6), Nutrisphere (NuS), and urea) were applied at 0, 45, 90, and 135 kg N/ha. Ammonium sulfate produced …

    vt Repository record

  15. Integrating nitrogen source and application timing into the management of large patch on zoysiagrass

    Koehelr, John F.University of Missouri--Columbia2017

    … calcium nitrate-amended media compared to both ammonium sulfate and urea media. Pathogen pigmentation was dark brown on high concentrations of calcium nitrate and urea media, but was white on high concentrations of ammonium sulfate media with and without a pH buffer. Nitrogen source did not …

    missouri Repository record

  16. The use of fertilizer nitrogen applications to increase productivity of soybean

    Mann, Shelby MelissaUniversity of Illinois at Urbana-Champaign2017

    … The seven different N sources evaluated were: ammonium nitrate (AN, 34-0-0), ammonium sulfate (21-0-0-24S), ESN (environmentally-smart nitrogen, 44-0-0), urea + Limus (urea treated with the urease inhibitor Limus, 46-0-0), liquid urea-ammonium nitrate (UAN, 28-0-0), urea (46-0-0), and a mixture …

    uiuc Repository record

  17. The metabolism of adenosine nucleotides in thoracic muscle mitochondria from the American cockroach

    Mills, Richard RandolphVirginia Polytechnic Institute1964

    … over 100-fold by heat and acid treatment, ammonium sulfate fractionation and column chromatography on G-75 sephadex. Some properties of the enzyme were determined. These include: a pH optimum of 5.8, an optimum Mg concentration of 3 x 10⁻³ M, a substrate specificity for ADP, and an …

    vt Repository record

  18. Growth dynamics of microorganisms

    Gilley, J. WadeVirginia Polytechnic Institute1966

    … medium concentration, glucose concentration, ammonium sulfate, and temperature) indicated that yeast populations may not show a smooth transition from the initial to the final steady states. Decaying oscillations of the yeast population were observed in response to step changes in dilution …

    vt Repository record

  19. Chemotaxis Methyltransferase Ii From Bacillus Subtilis

    Burgess-Cassler, AnthonyUniversity of Illinois at Urbana-Champaign2014

    … A chromatography, CM Bio-Gel A chromatography, ammonium sulfate fractionation, and S-adenosylhomocysteine affinity chromatography, a virtually homogeneous product was obtained.

    uiuc Repository record

  20. Instrument development for exploring the influence of interfacial chemistry on aerosol growth, aging, and partitioning of gases

    Amick, Cecilia LynnVirginia Tech2019

    … latex (dp = 0.994 µm) and polydisperse ammonium sulfate (CMD dp = 100 nm) particles remain suspended for at least 22 hours while the chamber rotates at 2 RPM. Further investigation into the aerosol dynamics showed the coagulation efficiency of high concentration particle suspensions …

    vt Repository record

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