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 8 of 8 for “"HECS"”.
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Structural Design and Analysis of a Kinematic Mechanism for a Morphing Hyper-Elliptic Cambered Span (HECS) Wing
The HECS wing was developed by NASA Langley Research Center and has a nonplanar, hyper-elliptically swept leading and trailing edge as well as spanwise camber. For this wing, the leading and trailing edges are swept back according to a hyper-elliptical equation. The span of the wing is also defined …
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DISCOVERY OF HIGH ENTROPY CERAMICS WITH LOW THERMAL CONDUCTIVITY THROUGH MACHINE LEARNING
… However, predicting the thermal properties of HECs is challenging due to the complex nature of their atomic interactions. This project explores the use of machine learning (ML) techniques to discover new compositions of HEC materials with low κ. To achieve this, a dataset combining experimental …
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The Professional Lives of Higher Education Center Administrators
… supplier networks, or higher education centers (HECs) are beneficial to students and regions where the programs are delivered (Baus, 2007; Peterson, 2007). Few empirical studies have focused on consortium educational environments, such as HECs and most studies of off-campus education have taken …
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Syneresis and Rheology Mechanisms of a Latex-HEUR Associative Thickener System
… rheology modifiers were hydroxyethyl celluloses (HECs), a type of non-associative thickener that is relatively inexpensive and synthesized from cellulose, which is abundant. However, coatings that are modified with HECs tend to suffer from poor leveling and syneresis (phase separation). HECs have …
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Assessing instructional confidence of secondary health educators in Illinois: Implicatons for curricular and policy development
… the Health Education Confidence Survey (HECS) and were included in the data analysis. The subjects surveyed were currently enrolled (pre-service) or recently graduated (in-service) from physical education or kinesiology departments at one of three institutions within the state of …
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Kinematic Design and Analysis of a Morphing Wing
… a new Hyper-Elliptic Cambered Span (HECS) wing configuration that may lead to increased stability and control, and to improved aerodynamic efficiency, during flight. However, during take-off and landing, a conventional wing design (not curved down) may be preferred. Thus a need has …
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Spatial Distribution of Human Elephant Conflict (HEC) and Characterization of Crop-Raiding Elephants in Kasigau Region, Kenya
… was to determine the spatial distribution of HECs and characterize elephant herds in terms of herd size responsible for crop-raiding in Kasigau. The study was generally guided by two working a priori hypotheses: (1) farms near the bush edge or livestock watering points will experience more …
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The Effects of Cannabis sativa on the Sperm Epigenome
… life development. Human embryonic stem cells (hECS) exposed to CSE or vehicle control were differentiated into a mixed population of spermatogonial stem-like cells (SSCs), primary spermatocyte-like cells, secondary spermatocyte-like cells, and round haploid spermatid-like cells over a ten-day …