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Showing 1 to 20 of 252 for “"phosphorous"”.
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Phosphorous uptake rate in two low phosphorous updated species, Aspalathus linearis and Podalyria calyptrata
… mechanisms which enable them to better acquire phosphorous. A number of species have been reported to have specialised root morphologies (root clusters, mycorrhizae) that enhance P uptake. Plants may also down-regulate the uptake of P by decreasing the expression of genes that encode P …
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Differentiation between sulfur and phosphorous in Baumann printing
Thesis: M.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1936
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Synthesis and characterization of phosphorous containing macromolecular polyether compounds
<p>A radioisotope of rubidium, <sup>82</sup>Rb is used in positron emission tomography. Neutral crown ethers and cryptands have been studied as carrier ligands for Rb<sup>+</sup> but exhibit low ion carrying capacity and high toxicity. The present study involved investigating a lariat ether …
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Impact of genetics and phosphorous nutrition on bone metabolism
<p>Phosphorous (P) is essential to bone growth and maintenance; however, little research has focused on the genetic mechanisms controlling P utilization. Thirty-six pigs from 2 sire lines known to differ in bone structure (heavier-boned, HB, and lighter-boned, LB) were assigned to three diets for 2 …
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Nuclear resonance fluorescence studies of sodium, aluminum, and phosphorous
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-16T15:56:25Z No. of bitstreams: 1 1981_vodhanel.pdf: 6684934 bytes, checksum: 3ba7105d9baa381270b60576f12f2f15 (MD5)
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An investigation of the duration of phosphorous fertilization effects on phosphorous and nitrogen cycling patterns of Pinus elliottii plantations in the southern Cape
The effects of phosphorus fertilization and its duration of impact on nutrient cycling patterns in Pinus elliottii plantations were investigated by examining soil phosphorus and nitrogen turnover and litterfall in a 8, 20 and 25 year old plantation age sequence. Each stand contained plots …
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Quantum Computation With Electron Spins of Phosphorous Donors in Silicon
… represented by the spins of electrons bound to phosphorous donors in silicon. Encoding each qubit in terms of three neighboring donor electron spins, we can realize universal quantum gate operations with only the Heisenberg exchange coupling J S1 •S2 between neighboring donors. Therefore, …
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Phosphorous cycling in the Gulf of Maine : a multi-tracer approach
Knowledge of temporal and spatial nutrient turnover and export rates is of great importance for a variety of investigations, ranging from nutrient limitation to contamination uptake and removal. However, there are few methods that allow for the in situ elucidation of these processes. In this thesis …
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Design and Fabrication of Electrostatically Actuated Serpentine-Hinged Nickel-Phosphorous Micromirror Devices
… sacrificial mold into which an amorphous nickel-phosphorous alloy may be deposited. Ideal design of the electrostatically actuated micro-mirrors was investigated, and a final design was selected and modeled using FEA software, which found that serpentine-hinged devices require approximately 33% …
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Automated Reaction-Rate Methods for the Determination of Protein Nitrogen and Phosphorous
Made available in DSpace on 2014-12-13T20:10:26Z (GMT). No. of bitstreams: 1 7821008.pdf: 7079214 bytes, checksum: 85bf59c21ceaccf4bf6a9073b4b6cfef (MD5) Previous issue date: 1978
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Study of population dynamics in a biological phosphorous removal wastewater treatment system
… bacterial species dominated a biological phosphorous removal (BPR) system, causing the system to fail. The study indicated that feed composition may have been responsible for the bacteria population shift. The purpose of this study was to examine population shifts of …
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The urinary phosphorous excretion of preschool children as influenced by increasing dietary calories
Thesis (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Foods and Nutrition Division of Home Economics, 1940
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Geochemical and limnological aspects of phosphorous contamination in the Noordhoek Valley, Cape Peninsula
The Noordhoek Valley is situated on the Atlantic coast of the Cape Peninsula, South Africa (34°07'S, 18°22'E). Towards the east, the valley hosts numerous townships, while to the west it opens into a lowland marsh area, bordered by a five-kilometre beach. The wetland is subjected to various forms …
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Preservation and Deployment of Biofertilizers to Mitigate Soil Phosphorous Loss from Agricultural Systems
… seedlings showed a significant increase in the phosphorous content in chickpea leaves compared to the addition of uncoated rocks. Additional investigations can be undertaken to evaluate the potential of this framework as a controlled-release fertilizer by varying coating parameters such as …
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Boron and phosphorous implantation into (100) germanium : modeling and investigation of dopant annealing behavior
Germanium is increasingly being considered at this time for future silicon compatible optoelectronic and complementary metal oxide semiconductor (CMOS) device application. Germanium implantation will be a critical process for future device fabrication. However, critical properties like Pearson …
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Effect of suspended sediment on the availability of adsorbed phosphorous and iron to a green alga
Thesis (M.S.)--Michigan State University. Dept. of Fisheries and Wildlife, 1976
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Evaluating the potential of phosphorous recovery from wet milling and dry grind corn facilities using chemical precipitation
Phosphorous (P) flows plays a vital role in defining the sustainability of Food-Energy-Water nexus related to crop production, animal production, water pollution, resource recycling, and energy flows. Majority of domestic ethanol production in United States uses corn as its raw material. The …
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