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 22 for “"quality controls"”.
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Digital Thread and Analytics Model to Improve Quality Controls in Surgical Stapler
… that affect the product's Force to Fire final quality inspection results The digital thread and models built laid the groundwork for the Ethicon team to understand the current state of their systems and will be used as the team conducts experiments to further understand the actual devices being …
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Mechanisms for Targeting of Proteins to Secretory Lysosomes of Haematopoietic Cells
… these results led to suggestions about protein quality controls existing at post-ER levels in the secretory pathway, possibly operating in the Golgi complex and at the plasma membrane. In addition, the results indicated the suggested post-ER protein quality controls to eliminate proteins from …
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Development and validation of liquid chromatography mass spectrometry (L/C/MS/MS) assay for the determination of plasma 4betahydroxycholestrol and cholesterol in HIV infected children in Africa
… for the preparation of calibration standards and quality controls. A second SIL analogue, 4β-OHC-D4 was used as the internal standard. The transitions of the protonated derivatised products were monitored atm/z 613, 620 and 617 to the product ions m/z 490, 497 and 494 for 4β-OHC, 4β-OHC-D7and …
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Expectations of education: how one college is responding to the Education Reform Act 1988
… upon financial considerations, market forces and quality controls devolving from a business-like reorientation. A review of the college's aims and intentions, with an examination of the methods managers might adopt and options they might select in moving towards a business organisation, moved the …
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INDUSTRY 4.0 IN THE AGRI-FOOD SECTOR: INNOVATIVE SENSORS AND SMART LOGISTICS TO SUPPORT THE SUSTAINABILITY OF THE SUPPLY CHAIN
… real- time results, and ability to perform quality controls throughout the production process. However, these techniques typically involve expensive, complex instruments often impossible to use outside of a specialized laboratory. To overcome these problems, low-cost prototypes are being …
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Estudio de prefactibilidad para la implementación de un operador logístico de servicios de transporte de productos hidrobiológicos refrigerados
… products; therefore, procedures, service quality controls, as well as implements, tools, uniforms, and other necessary items for proper handling are included. The project investment is S/1 823 675 before starting operations and S/223 256 for year 4, and it was determined that financing 65% …
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Bogota's river basin hydrologic digital data library
… lose its value. Data acquisition is followed by quality controls in order to make it useful for physical or data-driven models. Nonetheless, distribution and accessibility of the final products is imperative in order to exploit them for science advancement purposes. Assimilation, calibration and …
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Method Verification of Cepheid Xpert Xpress Flu Assay by Polymerase Chain Reaction (PCR)
… For precision testing, positive and negative quality controls (QC) were run in 20 consecutive days. Precision is determined as 100% as all 20 QC results passed and agreed with expected values. Nasopharyngeal swabs in viral transport media (VTM) were the only patient specimens approved for …
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An Empirical investigation into management and control of software prototyping.
… inadequate methods and standards, and lack of quality control, particularly in regard to future maintainability and extensibility. Recommendations are given for each key management and control area identified, including team selection, initial requirement gathering, prototypes building, change …
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Quantifying a Range of Global Air Pollution Projections and Health Impacts under the Paris Agreement’s Temperature Targets
… critical to assess the effect of climate and air quality actions on pollutant emissions, the resulting health impacts, and broader sustainability metrics. This thesis responds to these needs by developing a new Tool for Air Pollution Scenarios (TAPS) and applying it to example policy effects on …
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The Influence of Water Quality on Arsenic Sorption and Treatment Process Performance
… for treatment in that it suggests water quality controls the required reaction times. Additionally, batch tests indicated that activated alumina granular media was more sensitive to water quality than granular ferric hydroxide; however, calcium eliminated silica interference to arsenic …
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"Do as I Say, Not as I Do": Audit Firm Leadership and Engagement-Level Risk
… contributes to our limited knowledge of the quality control structures in place at large audit firms and provides a potential mechanism for tone at the Big 4 audit firms to vary across offices.
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Estudio de prefactibilidad para la instalación de una planta para la elaboración de gomitas energizantes
… production of these gummies will have exhaustive quality controls throughout the process, a HACCP plan will be implemented, and the good practices established by the competent entities will be complied with. Finally, the economic study was carried out to determine the viability of the project and …
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A Study of the Physical Properties of Latex as Related to Orthodontic Tooth Movement
… was designed to ascertain (1) whether better quality controls would minimize decay and give better reproducibility in force from one elastic band to the next; and (2) whether the amount of stretch to which the elastic body is subjected affects the rate of decay. The quality control testing …
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The Influence of Water Chemistry on H2 Production and Uptake during Anaerobic Iron Corrosion
… the model results support the notion that water quality controls iron corrosion rates in the presence of SRB. The practical relevance of previous research is somewhat in doubt given the atypical levels of nutrients used in relation to those actually present in water and wastewater. A second phase …
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Exploring alternatives for milk quality improvement and more efficient dairy production in a smallholder farming context – case study: Mantaro Valley (Peru)
… sector in developing countries, aspects of milk quality are receiving more attention from both society and the government. However, milk quality management needs to be better addressed in dairy production systems to guarantee the access of stakeholders, mainly small-holders, into dairy markets. …
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Development and optimisation of pre-treatment procedures to enhance total haemoglobin for carboxyhaemoglobin analysis in diluted blood samples
… procedure, ABL Radiometer AutoCheck5+ Level 2 quality controls and blank postmortem blood were spiked into diluted specimens to supplement the blood tHb. For the second procedure, a centrifugal evaporator (MiVac Quattro system) was used to concentrate the blood. The addition of the quality …
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Applications of Disposable Pipette Extraction for Analysis of Drugs of Abuse Vitamin D Metabolism Testosterone and Inborn Errors of Metabolism by Gas and Liquid Chromatography/mass Spectrometry
… by testing and comparing commercially available quality controls. </p> <p> Early diagnosis is critical for patients with organic acidemias. The diagnosis is based on the complex metabolite profile of each organic acidemia. As more and more definitive biomarkers were identified, the profiles were …
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Authentication and investigation of potential hepatotoxicity of Black Cohosh
… online software from the manufacturer. Stringent quality controls were included on the arrays which gave confidence of results. There were small changes noted for Actaea racemosa and some activity for the Asian Actaea treated cells was also seen. An LDH and MTT assay were used to assess cell …
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Determination of Rifapentine and 25-O-desacetyl Rifapentine from 100 µl human breastmilk by LC-MS/MS using protein precipitation and solid phase extraction
… and 25-O-desacetyl rifapentine standards. The Quality Controls accuracy ranged from 97.4% to 106.0% for both rifapentine and 25-Odesacetyl rifapentine. Stock solutions were shown to be stable for 69 days at -80°C. v Rifapentine and 25-O-desacetyl rifapentine were stable in human breastmilk for …
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