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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1209 for “"Ammonia"”.
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Centrifugal refrigeration with ammonia
Thesis: B.S., Massachusetts Institute of Technology, Department of Chemical Engineering, 1947
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Anhydrous ammonia in vegetable cropping
Anhydrous ammonia, containing 82%N, is the highest analysis nitrogen fertiliser available for commercial use. Lyons (1966) states that it has many economic advantages in handling, transporting and application over conventional nitrogen fertilisers and that the high nitrogen content, plus the fact …
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Foliar Absorption of Atmospheric Ammonia
Made available in DSpace on 2014-12-12T00:17:59Z (GMT). No. of bitstreams: 1 7412049.pdf: 3863413 bytes, checksum: c7d9728d93ea946af0cfcd17c3a245c8 (MD5) Previous issue date: 1973
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Vehicular Ammonia Emissions in Baltimore, Maryland
Atmospheric ammonia is a precursor to the formation of fine particulate matter, which contributes to human health problems and decreased visibility. Atmospheric ammonia may also be transported through wet and dry deposition to water bodies such as the Chesapeake Bay, contributing to excess nutrient …
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The dielectric constant of liquid ammonia
Thesis (M.A.)--University of Kansas, Chemistry, 1917. ; Includes bibliographical references.
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Kinetic studies of ammonia-oxygen flames
<p>Since the early interest of Henry in burning ammonia with electric sparks, the literature of ammonia oxidation has been extensive. The major efforts have been industrially related and concern themselves with catalytic oxidation and its mechanism. The flame oxidation of ammonia has attracted more …
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The Role of Insulin and Glucagon in Mammalian Ammonia Homeostasis. Studies With Ammonia-Induced Orotic Aciduria in Rats
Ammonia is a neural toxin, and this thesis proposes that the prevention of ammonia intoxication is a primary metabolic "concern" of mammals. The infrequency of ammonia intoxication indicates that an effective mechanism for controlling ammonia homeostasis exists. Extensive review of the literature …
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Novel nanomaterials for efficient photocatalytic ammonia synthesis
Ammonia is a key industrial raw material for fertilizers, chemicals and energy. The annual artificial ammonia synthesis via the Haber-Bosch process causes about 2% of global energy consumption and can lead to 1.6% CO₂ emission. Therefore, it is urgent to develop low-cost and environmentally …
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Purification of Ammonia by Pressure Swing Adsorption
<p>Ammonia has long been an essential raw material for manufacture of chemical compounds of vital importance. Recent DOE-EERE-ITP Chemicals Subprogram studies have consistently ranked ethylene and ammonia as the top two most energy intensive processes. Ammonia production consumes a total energy of …
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Experimental ammonia toxicosis in Holstein-Friesian steers
Thesis (M.S.)--Michigan State University. Dept. of Veterinary Surgery and Medicine, 1969
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Rh Glycoprotein as an Ammonia Transport Molecule
Fish use their gills to excrete ammonia in order to eliminate nitrogenous waste. We hypothesize that this mechanism is accomplished by one or more transport proteins in the Rh glycoprotein (RhxG) family. Longhorn sculpin (Myoxocephalus octodecemspinosus) cDNA was amplified using polymerase chain …
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Hydrogen isotope fractionation in ammonia-oxidizing archaea
… glycerol tetraether (GDGT) membrane lipids of ammonia-oxidizing archaea (class Nitrososphaeria) as a novel palaeohydrological proxy has gained increasing attention. This PhD thesis investigates the hydrogen isotope fractionation (2εL/W) in Nitrososphaeria to assess the suitability of δ2H of …
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LIGHT SCATTERING FROM AMMONIA AND WATER CRYSTALS
… 1 and 2 with an approach based on Mie theory. Ammonia crystals are believed to be an important constituent of Jupiter's upper clouds, but both their shape and scattering properties were unknown at the start of this work. Ammonia crystals and water crystals were grown in a cold chamber at …
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Ammonia Volatilization and Urease Activity in Turf
Experiments were conducted with recently developed turf microecosystems to determine the extent and mechanisms of NH(,3) volatilization from turf whose underlying soil had an acidic pH. Eight different nitrogen fertilizers were evaluated for NH(,3)-N losses after application to turf. The rate and …
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Urea and Ammonia Metabolism in the Ruminant
Made available in DSpace on 2014-12-09T14:28:52Z (GMT). No. of bitstreams: 1 6604152.pdf: 2312969 bytes, checksum: c768271ad3fc0023e6220397d87d9811 (MD5) Previous issue date: 1965
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Ammonia assimilation by Ruminococcus flavefaciens FD-1
… by which Ruminococcus flavefaciens FD-1 utilizes ammonia (-um). $\sp{14}$C-methyl-ammonium was not taken up by R. flavefaciens FD-1, but cells prepared similarly depleted ammonia from media (initial rates of 11.2 and 0.8 nmol$\cdot$min$\sp{-1}{\cdot}$mg$\sp{-1}$ protein for cells grown with …
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