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 23 for “"eccs"”.
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EXPERIMENTAL STUDIES OF THE CHEMICAL EFFECTS OF ZINC-BEARING MATERIALS FOLLOWING A LOSS-OF-COOLANT ACCIDENT IN A PRESSURIZED WATER REACTOR
… reactor (PWR) emergency core cooling systems (ECCS) sump strainers during a Loss-of-Coolant Accident (LOCA). Potential contributors to the debris loading include latent dirt, fiberglass insulation, paints, epoxies, and chemical products which form when containment surfaces interact with the …
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Simulation and Validation of Two-Component Flow in a Void Recirculation System
… rely on the Emergency Core Cooling System (ECCS) to cool down the reactor core in case of an accident. Occasionally, air is entrained into the suction piping of ECCS causing voids that decrease pumping efficiency, and consequently damage the pumps. In an attempt to minimize the amount of …
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The effects of different error correction conditions in learner-initiated noticing : in written corrective feedback
… of different error correction conditions (ECCs) on learner-initiated noticing. With this in mind, I sought to tackle comprehensive (eventually replaced by semi-comprehensive) error correction (EC) in an open, uncontrolled and learner-centred writing task. Despite numerous studies on written …
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Risk-informed design guidance for a Generation-IV gas-cooled fast reactor emergency core cooling system
… over three orders of magnitude from the baseline ECCS design (from 1.19x10-5 to 6.48x10-8 for the 3x100% loop configuration) and potential ECCS licensing issues were identified. This illustrates the value of formal design guidance based upon PRA.
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Employment Credit Checks: Through the Lens of Organizational Justice and Workplace Discrimination
… justice-related consequences of the use of ECCs in personnel selection. Study 1 examined potential applicants' perceptions of organizational justice as well as their engagement in both pro-social (organizational citizenship behaviors-OCB) and anti-social (counterproductive workplace …
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An alternate high pressure injection system for pressurized-water reactors
… 75°c (134°F) lower than when the convential ECCS is used.</p> <p>Results obtained from the hot channel analysis for a large size cold-leg break show that the most severe conditions in the core generate maximum cladding temperatures of 776°c (1429°F) with the convential ECCS and temperature of …
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A model for analysis of the effects of redundancy and error correction on DRAM memory yield and reliability
… an error free DRAM. Error correction codes (ECCs) and cell replacement are two methods currently used in isolation of each other in order to solve two of the problems with this manufacturing process: increasing reliability and increasing yield, respectively. Possible solutions to this problem …
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Teacher and peer support of lone speakers of home languages other than English attending early childhood centres
… three English medium early childhood centres [ECCs] with different philosophies, programmes, and practices: a sessional kindergarten, and two all day care centres. The study focused on the interpersonal environments of the centres; specifically the participants 'interactions with teachers and …
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Minimising embodied carbon in buildings: Uncertainty during early-stage design
… of material embodied carbon coefficients (ECCs). This is particularly true during early-stage design when the specific material selection is still unknown. A common early-stage technique for identifying embodied carbon reduction strategies is identifying carbon hotspots. However, these …
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Material quantities in building structures and their environmental impact
… for sharing data, identifying accurate ECCs and resolving transparency while protecting intellectual ownership. The main opportunities include using Building Information Models to generate data, proposing regional ECCs and outlining a unified carbon assessment method. The second …
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A Bikeability Index for Last-Mile Electric Cargo Cycles
… last-mile logistics using electric cargo cycles (ECCs). This thesis creates the ECC scoring index using a survey with participants riding on four routes within the York University Keele Campus. A literature review is conducted to identify twelve variables for the score. Data is collected using a …
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Data reliability and error correction for NAND Flash Memory System
… the data reliability; nevertheless, the advanced ECCs such as low-density parity-check (LDPC) codes generally demand soft decisions while NAND flash memory channel provides hard-decisions only. Extracting the soft information requires the accurate characterization of flash memory channel and the …
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Collagen scaffolds and injectable biopolymer gels for cardiac tissue engineering
… differentiation of embryonic carcinoma cells (ECCs) incorporated in the gels into the three cell types in cardiac tissue -- cardiomyocytes, neural cells, and vascular endothelial cells -- and to determine the effects of certain properties of the gels on the differentiation profile, using …
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MicroRNA Expression Profiling of Multipotent Adult Germline Stem Cells
… und in F9 Zellen (Embryonale Karzinoma Zellen; ECCs) exprimiert werden. Ausserdem wurde der zeitabhängige Einfluss verschiedener Faktoren, die den Verlust von Pluripotenz fördern, auf diese miRNAs untersucht. ESCs, die mit Hilfe von Standardmethoden.
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Adversarial robustness of deep learning models : an error-correcting codes based approach
… robust classifiers using Error-Correcting Codes (ECCs). The idea of using Error-Correcting Codes for multi-class classification has been investigated in the past but only under nominal settings. We build upon this idea in the context of adversarial robustness of Deep Neural Networks. Following the …
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Parallel lamella dome under wind and snow loads
… Convention for Constructional Steelwork (ECCS code) is used as the code of practice for design wind pressures on domes. Failures of domes have occurred during snow storms and have attributed to heavy local snow concentrations. Most codes of practice do not provide design wind and snow …
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Use of fuel cells for improving on-site emergency power availability and reliability ad nuclear power plants
… resort, by an Emergency Core Cooling System (ECCS). Currently the majority of nuclear power plants in the US utilize diesel generator sets as on-site emergency power generating units. In addition to the loss of off-site power, plants can lose their on-site AC power, a condition known as …
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Pool boiling heat transfer characteristics of nanofluids
… coolant for the Emergency Core Cooling System (ECCS) of both PWR and BWR, and coolant for in-vessel retention of the molten core during severe accidents in high-power-density LWR. To implement such applications it is necessary to understand the fundamental boiling heat transfer characteristics …
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Stability analysis of light gauge steel members using the finite element method and the generalized beam theory
… the wet concrete stage have been obtained. The ECCS and AISI design approaches for bending have been found to be conservative when the deck is subject to plastic buckling or strength failure. The calculation of the ultimate web crippling load without consideration of bending moment is awkward …
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The application of ion mobility mass spectrometry to molecules of pharmaceutical significance
… In stark contrast the experimental CCS (eCCS) demonstrated >10 Å2 difference between different components. The product ion spectra are consistent with the hypothesis of charge location isomer mobility separated components. Investigations with other fluoroquinolones, with both drift-tube …
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