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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 27 for “"radioactive tracer"”.

  1. Mass Transport Through Carbon Nanomembrane: Investigation with Radioactive Tracer Diffusion

    Khayya, En-NeitaUniversität Bielefeld

    bielefeld Repository record

  2. Self-Diffusion Studies in Beta-Phase Ordered Alloys of Gold - Cadmium by Radioactive Tracer Technique

    Gupta, DevendraUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-04T23:26:50Z (GMT). No. of bitstreams: 1 6200611.pdf: 2377480 bytes, checksum: ebe0725609c6fb3632e46f4ce5ba6b67 (MD5) Previous issue date: 1961

    uiuc Repository record

  3. Analysis of root activity patterns of two coexisting annual species (Dimorphotheca pluvialis and Senecio littoreus) using lithium as a non-radioactive tracer.

    Simmons, Mark TDepartment of Biological Sciences2017

    cape-town Repository record

  4. Study of the mechanism of the disproportionation of propylene over a cobalt oxide-molybdena-alumina catalyst through the use of a radioactive tracer

    Woody, Fred L.Virginia Polytechnic Institute1968

    vt Repository record

  5. Marker studies of nickel silicide formation

    McLeod, John EdwardDepartment of Physics1988

    … silicon has been investigated using 31Si radioactive tracer and inert marker techniques. Samples were prepared by vacuum deposition of thin films of nickel and silicon, followed by thermal annealing to effect silicide growth. The radioactive tracer investigation of Ni2Si showed nickel to …

    cape-town Repository record

  6. Determinação experimental do coeficiente de reaeração, em rios e canais abertos, com o emprego de traçadores

    Vendrame, Iria FernandesUniversidade Federal do Rio de Janeiro1982

    … is determined experimentally using Tsivoglou's radioactive tracer method. The technique employed involves the use of an inert radioactive gas, Kr-85, as a tracer for oxygen, tritiated water, HTO, to correct for dispersion and dilution of tracer, and a fluorescent tracer, Amidorodamina G.E., with …

    brazil-uerj Repository record

  7. LUBRICATION STUDY OF AN OSCILLATING BEARING

    Nelson, George G.Monterey, California: U.S. Naval Postgraduate School1958

    … friction measurement, oil film resistance, and radioactive tracer.

    nps Repository record

  8. Modelagem hidrodinâmica de decantador primário de esgotos utilizando-se a técnica de traçadores

    Azeredo, Sérgio Vasconcelos deUniversidade Federal do Rio de Janeiro1985

    … evaluation of parameters obtained by the use of tracers. The technique employed in obtaining the data consisted in the injection of radioactive tracer (Brome-82) as well as fluorescent tracers (Amidorodamine G-Extra, Rodamine B, Eosine and Uranine). The experimental results were compared with the …

    brazil-uerj Repository record

  9. Serum somatomedin and somatomedin generation by the perfused liver in protein malnourished rats

    Shapiro, BrahmDivision of Endocrinology and Diabetology1978

    … of the cartilage, and post incubation with radioactive tracer reduced the potential interference of varying sulphate content of assay samples. Serum samples were subjected to formal multipoint parallel line bioassay and data analysed by a computer programme designed to examine such assays. …

    cape-town Repository record

  10. Diffusion in rare-gas liquids : an experimental study

    Srinivasan, Kandadai1981

    … a facility for the continuous monitoring of a radioactive tracer which is diffusing across a sintered stainless steel diaphragm. A scintillation counter assembly consisting of a cesium iodide crystal, a lucite light guide and a photomultiplier tube is used for this purpose. A temperature …

    aus-cath Repository record

  11. Diffusion in rare-gas liquids : an experimental study

    Srinivasan, Kandadai1981

    … a facility for the continuous monitoring of a radioactive tracer which is diffusing across a sintered stainless steel diaphragm. A scintillation counter assembly consisting of a cesium iodide crystal, a lucite light guide and a photomultiplier tube is used for this purpose. A temperature …

    anu Repository record

  12. Leak detection in power plant heat recovery steam generators utilizing medical radionuclides

    Watkins, David, Joyce, MalcolmLancaster University2018

    … The injection and detection of a short-lived radioactive tracer into the high pressure side of the boiler feed water circuit during operation would provide an indication of a leak in the low pressure circuit gases exiting the boiler gas stack. This thesis examines if medical radionuclides …

    lancaster Repository record

  13. Functional lung imaging in humans using Positron Emission Tomography

    Layfield, Dominick, 1971-Massachusetts Institute of Technology2003

    … Emission Tomography (PET). In this technique, a radioactive tracer, nitrogen-13, is dissolved in saline solution, and injected into a peripheral vein. By analysis of the tracer kinetics through the lung, measured using PET, a three-dimensional image of perfusion and ventilation can be generated. …

    mit Repository record

  14. Central disorders of thyroid function: clinical, radiological and genetic phenotyping

    Koulouri, OlympiaUniversity of Cambridge2020

    … of functional pituitary imaging with the radioactive tracer 11C-Methionine are presented; this approach has been applied to all pituitary adenoma subtypes, including TSH secreting adenomas. In the last chapter, functional studies of a novel mutation in the TRHR gene are presented. This …

    cambridge Repository record

  15. Development of an Approach to Increase Drug Uptake to Bone Tumors Using Non-Invasive Mechanical Loading

    Palacio, Paolo E.

    … a rat model, measure tumor development, inject a radioactive tracer, apply mechanical loading non-invasively, and image and quantify drug uptake distribution in bone tumors. Assessment of 99mTc-labeled pamidronate uptake was completed in vivo using planar microSPECT (2D gamma camera scans) …

    cuny Repository record

  16. Multiparametric Estimation of Brain Hemodynamics with MR Fingerprinting ASL

    Su, Pan2021

    … of estimating cerebral blood flow (CBF) without radioactive tracer or contrast agent. However, the signal from ASL is affected by multiple parameters in the kinetic model, causing the complexity in interpreting the underlying physiological mechanism. This thesis develops a novel non-contrast …

    utswmed Repository record

  17. Extracellular Fluid Systems in the Brain and the Pathogenesis of Hydrocephalus

    Nagra, Gurjit2011

    … we examined and observed that the movement of a radioactive tracer into the nasal turbinates was significantly reduced in the kaolin-injected animals compared to saline injected controls. However, it was possible that while lymphatic CSF uptake was compromised, other CSF absorption pathways may …

    toronto-retro Repository record

  18. The influence of differential production and dissolution on the stable isotope composition of planktonic foraminifera

    Erez, JonathanMassachusetts Institute of Technology and Woods Hole Oceanographic Institution1978

    … deviation from oxygen isotopic equilibrium. Radioactive tracer experiments using 14C and 45Ca were conducted on shallow dwelling benthonic foraminifera and hermatypic corals. They show that photosynthesis of symbiotic algae within these organisms increases the amount of metabolic C02 …

    woods-hole Repository record

  19. Emergence of Delamination Fractures around Casing and Its Stability

    Wang, WeiPetroleum Engineering2022

    … analysis and real field measurements using radioactive tracer-logs provides a comparison basis for model accuracy. Additionally, micro-annulus cemented systems are further analyzed by considering interface strength heterogeneity, anisotropic in situ stresses, wellbore inclination and …

    lsu-thes Repository record

  20. Digital Waveform Acquisition and Adaptive Collimation Methods for SPECT

    Momsen, Neil CharlesThe University of Arizona.2020

    … with a variety of commercial and custom radiotracers tailored to measure biological variables. The attachment of a gamma-emitting isotope to a functional molecule allows for the probing and study of basic biological processes, the investigation and diagnosis of diseases and therapies, and …

    arizona-thes Repository record

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