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 74 for “"Laboratory work"”.
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First year students' understanding of measurements in physics laboratory work
Recent collaborative work by the physics education research group at the University of Cape Town (South Africa) and the science education research group at the University of York (United Kingdom) has produced a suite of research instruments which may be used to probe the procedural understanding of …
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Effect of glove port height on upper body stress for performing laboratory work
… environmental contamination and protect the worker from harmful or hazardous exposures. This research specifically evaluates the effect of height of the glove box arm ports on the efficiency of task performance and physiological costs of work for the glove box users. Seven male and two female …
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A study of the adequacy of high school physics laboratory work for general education
… to determine the adequacy of high school physics laboratory work for general education. The problems involved to achieve this purpose were: the determination of the outcomes of high school physics laboratory work; the determination of the objectives of science instruction in general education; and …
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Alternative Laboratory Organization Patterns and Alternative Chemical Procedures in Teaching High School Chemistry Laboratory Work
Made available in DSpace on 2014-12-10T18:47:10Z (GMT). No. of bitstreams: 1 7405653.pdf: 4353331 bytes, checksum: a02114a8e5cab6215709b0c7d2547537 (MD5) Previous issue date: 1973
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An investigation of the current challenges in the implementation of grade 11 chemistry laboratory work in three selected secondary schools in Eritrea
… in the implementation of Grade 11 chemistry laboratory work in three selected secondary schools in Eritrea. Specifically, the study has attempted to address the following questions: To what extent does Grade 11 chemistry laboratory work in the selected Eritrean secondary schools promote the …
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An investigation of concrete curing practice in the Cape Town area
… properties of the outer skin of concrete. The laboratory work involved the exposure of three concrete strengths to various relative humidities. The site work involved testing the cured outer surface of concrete at 28 days on six construction sites. The oxygen permeability and water sorptivity …
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Personal Epistemological Growth in a College Chemistry Laboratory Environment
… and NOS beliefs in light of specific science laboratory instructional pedagogical practices (e.g., pre- and post- laboratory activities, laboratory work) for future research. This research employed a mixed methodology, foregrounding qualitative data. The total population consisted of 56 …
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A study of the Warrensburg sandstone
… data was done during the summer of 1951 and the laboratory work was done during the fall and winter at the University of Missouri.--Introduction.
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CoyoteLab - Linux Containers for Educational Use
… students in computing fields access and complete laboratory work in their educational career. This project provides two main benefits: creating a simple way for students to log in and access their coursework without anything more than their web browser, and providing course instructors a way to …
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Origin and geological significance of mylonitic shear zones, northern Lucy Gray Range, Clark County, Nevada
… interpreted as anorogenic; however, recent work has documented that some of these plutons may have been deformed during or after emplacement. In the Lucy Gray Range, a series of mylonite zones is spatially associated with the Beer Bottle Pass pluton. An integrated study involving field and …
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Talk and Community: The Place of Reporting in a Life Sciences Laboratory
… practice-oriented perspective to investigate the laboratory as a community of practice, focusing upon the ""activity"" of interaction as the overall unit of analysis. Ethnographic materials (involving observation, interviews, conversations, and activity logs) and discourse analysis techniques …
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A wireless controlled robot real-time systems laboratory
… course requirement, and the inclusion of a laboratory section similar to CS431 which had superior enrollment. This work is the result of the development of the laboratory section of CS424 Real-Time Systems. Early development created a robot and phone based platform. The us- age of …
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The Physics Laboratory in Higher Education in Libya
Laboratory work is considered to be a vital part of the entire learning experience in physics and work in the laboratory has the potential to help make physics more real and tangible for the students while they can develop experimental design skills as well as developing observational and …
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Learning strategies used by honors students in an investigative introductory biology laboratory program
The use of investigative laboratory programs is one of the recommended methods of instruction for improving the outcomes of college science laboratory work. In such programs, students are expected to take more responsibility for their learning and to exercise manipulative skills as well as their …
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Slip on ridge transform faults : insights from earthquakes and laboratory experiments
… are related to the RTF tectonic parameters. Laboratory work on the frictional stability of olivine aggregates shows that the depth extent of oceanic faulting is thermally controlled and limited by the 600⁰C isotherm. Slip on RTFs is primarily aseismic, only 15% of the tectonic offset is …
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Ecophysiological effects of high concentrations of iron and other heavy metals on Eriophorum angustifolium Honck. and Phragmites australis (Cav.) Trin ex steudel.
… the capacity to exclude dissolved iron. This work investigates the chemical dynamics of selected metal toxins, in particular Fe in relation to concentration in the substrate and uptake b y Eriophorum augustifolium, and Phragmites australis taken from mine populations (Parys Mountain, Anglesey …
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Slip on ridge transform faults : insights from earthquakes and laboratory experiments
… are related to the RTF tectonic parameters. Laboratory work on the frictional stability of olivine aggregates shows that the depth extent of oceanic faulting is thermally controlled and limited by the 600°C isotherm. Slip on RTFs is primarily aseismic, only 15% of the tectonic offset is …
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An analytical and experimental investigation of three phase flow in airlift pumps used for diamondiferous marine gravel reclamation
… (computer aided design) environment. Extensive laboratory work has been conducted on both a 90 mm and 40 mm diameter airlift pump test facility. This investigation involved the measurement of specific components required for the theoretical simulation. Also monitored were airlift pump delivered …
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Motion tracking with computer vision
In the Mechatronics laboratory, work is being done to develop methods for robot collision avoidance. A vital component of the project is motion detection and tracking. Currently, 3d-imaging software and hardware are employed, but this technique carries the drawbacks of blind spots in the …
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Investigation of a clay lined storage pit
… The investigatory program consisted of field and laboratory work. Objectives included delineating the pit geometry and liner system, assessing the characteristics of the natural soils at the site as well as the wastes, and evaluating the degree of contamination of the natural subsoils around the …
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