Global ETD Search
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 93 for “"reference material"”.
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Swelling properties of some montmorillonite clays in water systems
… were examined and compared to the reference material.
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Development and Application of Hydride Generation Laser Induced Fluorescence Method for Quantitative Analysis of Bismuth and Germanium
… been evaluated by analysis of a NIST standard reference material. The analytical utility of masking reagents has been investigated by performing recovery studies on a multielement ICP standard reference material. The HG-LIF approach has been applied to the measurements of Bi in a commercial …
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Stripping Voltammetry of Tellurium (IV) In 0.1M HC10 4 at Rotating Gold Disk Electrodes.
… in National Bureau of Standards, Standard Reference Material 1623a (Trace Elements in Coal) is presented.
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In Situ Hydrogen Measurements in Garnet
… δD measurements require a matrix-matched garnet reference material, but garnet reference materials of the Ca-rich compositions found in skarns are not publicly available. Four Ca-rich grossular grains were found to meet the requirements for use as a garnet reference material including: free from …
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Swine production
… for any High School Instructor to secure enough reference material from other states to supply class needs. These contracts require information from practically every state if they are satisfactorily fulfilled. It is the intention of the writer that this write-up on Swine should accompany the job …
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Soil conservation in vocational agriculture: organized subject matter on the engineering units in soil conservation for use of teachers and students of vocational agriculture in Virginia (and West Virginia)
… West Virginia, and the nation. Much valuable material is available on the subject, but only a small part of it is suitable for use in vocational classes. There is a definite need for selection and organization of material in this field. This study has been made with the following objectives: …
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DETERMINATION OF TRACE METALS BY lON-CHROMATOGRAPHY WITH CHEMILUMINESCENCE DETECTION
… The cobalt content of a rice flour certified reference material was determined using this system and gave good agreement with the certificate value.
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Low frequency, in-situ vibrating sample magnetometer : electrical systems and control software design
… and remnance and the mass of ferromagnetic material present in the reference material as well as the effect of temperature on this material.
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Teaching long-term farm credit to classes in vocational agriculture
… training program. 2. To secure and organize as reference material the technical material needed in the farm credit course. 3. To organize and work up teaching materials for use by the teacher. It is to be hoped that by the use of this study, knowledge and skills can be developed that will assist …
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Tribological Behaviours Influenced by Surface Coatings and Morphology
… ring on liner tests. Cast iron was used as reference material for comparison with PEO coatings. The research results indicated that the PEO coatings could have excellent tribological properties potential for linerless aluminium engine applications.
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Characterization of Powder Metallurgy Lightweight Alloys
… and dynamic properties of four lightweight materials produced by powder metallurgy and additive manufactured are tested to determine if they are suitable to be used in a structural part within an internal combustion engine. The research concluded that an additive manufactured titanium …
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The Development of an Analytical Technique to Measure Stable and Radiogenic Strontium Isotope Ratios Using Thermal Ionization Mass Spectrometry with the Double Spike Method
… The results obtained for the SRM987 reference material using this technique are in agreement with published data. However, the results of IAPSO sea water standard revealed an enrichment in the n(88Sr)/n(86Sr) isotope ratio relative to SRM987 of 0.04 % and n(87Sr)/n(86Sr) isotope ratio …
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The optimisation of the enzyme linked immunosorbant assay (ELISA) for thyroid peroxidase autoantibodies (TPO) autoantibodies (aAbs)
… ELISA was improved through the use of a national reference material.
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Qualitative and quantitative assessment of UCM in PM2.5 of Bakersfield, CA.
… method was tested on several runs of a standard reference material for urban dust, which yielded consistent values with a standard deviation of ~16%. The UCMs in the Bakersfield sample were quantified separately and qualitatively assessed for possible emission sources. The average spectrum from …
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Recursos da informação e os cursos de mestrado da área biomédica na Universidade Federal Fluminense
… considered unsatisfactory, titles of serials and reference material most used constitute part of the collection. In the information access, formal channels are more effective, being abstracts and index considerably employed. The course on Veterinary uses thegreater number of refernce titles. …
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Clustered Layout Word Cloud for User Generated Online Reviews
… found on Yelp and Amazon, have become important reference material in casual decision making, like dining, shopping and entertainment. However, very large amounts of reviews make the review reading process time consuming. A text visualization can speed up the review reading process. In this …
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Formaldehyde mass-transfer properties study
… by many types of consumer products and indoor materials, indoor air can contain high concentrations of formaldehyde. Exposure to formaldehyde is hazardous to human health. Thus knowledge of formaldehyde mass-transfer properties is critical to efforts to reduce formaldehyde emissions and …
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Taxonomia do complexo Hylophilus poicilotis (Aves: Vireonidae)
… of them having in common the absence of adequate reference material, which resulted in a large number of questions, most of them focusing on H. amaurocephalus, which was treated as a full species on occasions or as a subspecies of H. poicilotis on others, mainly because of the hypothetical …
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Tender evaluation : a means of assessing the true value to the client.
… literature survey revealed little relevant reference material and, as a result, the author's experience in the evaluation of tenders, together with input from engineers knowledgeable in this field, has formed the basis of this thesis. To obtain the information necessary for the evaluation …
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