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 35 for “"Net gain"”.
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An Economic Surplus Evaluation of Aflatoxin-Reducing Research: A Case Study of Senegal's Confectionery Groundnut Sector
… groundnut farmers (ii) An overall welfare net-gain would be derived by Senegal from the adoption of the program. The analysis employs an economic surplus model that incorporates trade, as well as, domestic production and consumption. Various scenarios of program-effectiveness are examined. …
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Gain and Noise Performance of Bi/Er Co-Doped Fibre Amplifiers
… amplification, high efficiency and high gain, are applied in optical communications. The typical widely used fibre amplifier is Erbium doped fibre amplifier (EDFA), which covers 1520- 1620nm. To satisfy the increasing demands for other bands, some researches recently study the Bismuth …
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Ge-on-Si light-emitting materials and devices for silicon photonics
… and n-type doping on the direct gap optical gain characteristics. By considering free carrier absorption which dominates the optical loss we have proven net gain can be achieved in 0.25% tensile-strained Ge with n-type doping concentration in a range of 1019 to mid-1020 cm-3. The injection …
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Bound-Free Emission and its Application to Broadband Optical Amplifiers
… t to observed data. Absorption, emission, and net gain spectra are calculated. Details of how to perform calculations are presented. The details of an ongoing experiment to demonstrate gain are presented.
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A biophysical and economic evaluation of biological and chemical control methods for Solanum elaegnifolium (Silverleaf Nightshade) in the Limpopo province, South Africa
… than chemical control, since there was a net gain as a result of lower costs using L. texana beetles. Further research is needed to determine the effectiveness of L. texana and damage caused by S. elaeagnifolium on expected yield to conduct a full cost-benefit analysis.
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An Application of Vygotsky’s Social Learning Theory on Calculator Self-Efficacy and Calculator Achievement by Gender
… difference between males and females in the net gain in calculator achievement. Males scored significantly higher than females on two-step calculator tasks and multi-step calculator tasks. There were no apparent gender related themes among calculator efficacy and calculator achievement except …
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A proposal for the inhabitation of space ... : or how to put more stuff in less space Mark D. Jewell.
… densification. This presupposes an essential net gain from the trading of personal space for 'architectural value.' Consequently, the thesis is a quest for alternate processes that will lead to unconventional built form. The project outlines a set of episodes that attempt to abstract or …
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An Examination of Science NCE Scores of Students of Participating and Nonparticipating Teachers in East Tennessee State University Summer Science Institute.
… status. For research questions 4 and 5, a mean net gain and NCE raw scores average was performed.</p><p>The findings from this study indicated significant differences in years 2004-2005 and 2006-2007 favoring students of teachers who participated in the summer science institutes However, the …
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A method of estimating the feeding value of swine pastures
… total concentrates necessary for maintenance and gain of pigs on pasture. Feed production of each pasture was estimated from the difference between concentrates consumed by the pigs on that pasture and total concentrates for similar performance in dry lot. Estimates for 1949 and 1950 were based on …
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Assessment of Ground Water Exchange in Two Stream Channels and Associated Riparian Zones, Jocko Valley, Western Montana
… of the land surface. At the Jocko River site a net gain of ground water along the 1 km reach was not detectable. Modeling suggests the position of current water table will rise if drainage ditches are filled at the study sites and that recovery of wetlands is possible.
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Assessment of Ground Water Exchange in Two Stream Channels and Associated Riparian Zones, Jocko Valley, Western Montana
… of the land surface. At the Jocko River site a net gain of ground water along the 1 km reach was not detectable. Modeling suggests the position of current water table will rise if drainage ditches are filled at the study sites and that recovery of wetlands is possible.
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An effective algorithm for multiway hypergraph partitioning
… algorithm. We introduce the concept of net gain and embed it in the selection of cell moves. Unlike traditional FM-based iterative improvement algorithms in which the selection of the next cell to move is only based on its cell gain, our selection is based on both cell gains and net …
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An Empirical Analysis of Commercial Bank Profitability in Financially Liberalized Markets
… of both ROE and PTOIAA. There appears to be a net gain in overall bank performance associated with banks' increasing involvement in nontraditional activities. Finally, bank market share has no significant impact on ROE or PTOIAA.
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Essays on local labor markets
… by 100 jobs in the year of entry. Half of this gain disappears over the next five years, leaving a statistically significant net gain of 50 jobs at the five-year horizon. The decline in retail employment in the years immediately following entry is associated with the closing of both small and …
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Role of mycorrhizal networks in dry Douglas-fir forests
Mycorrhizal networks (MNs) are fungal hyphae that connect the roots of at least two plants, potentially providing a conduit for interplant resource transfer. Interior Douglas-fir (Pseudotsuga menziesii var. glauca (Beissn.) Franco) is an obligate ectomycorrhizal (EM) tree species that has high …
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Three Essays in Economic Analyses of Carbon Taxes
… For some plants, the policy generates a net gain in productivity. A key finding is that recycling tax revenues through the reduction of the CIT was important for alleviating the adverse effects of the carbon tax.
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Microwave techniques and applications for semiconductor quantum dot mode-locked lasers
… In this dissertation, by extending the net-gain modulation phasor approach based on a microwave photonics perspective, a convenient, yet powerful analytical model is derived and experimentally verified for the cavity design of semiconductor two-section passive MLLs. This model will also …
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Rare gas alkali ionic excimers
… vacuum ultraviolet (VUV) regime of the electromagnetic spectrum. Temporal and spectral characteristics of these species with (XeRb)$\sp{+}$ at 164 nm and (XeCs)$\sp{+}$ at 160 nm have been investigated by soft x-ray excitation in a laser-produced plasma and by high energy pulsed electron beam …
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Value-Added Tax apportionment methodology applied in the higher sector of South Africa : Is the apportionment method currently applied in the higher education sector effective and appropriate in a South African context?
… Added Tax Act No. 89 of 1991) and result in a net gain for the universities. Whatever is decided, the current investigation of apportionment methodology applied in the higher education sector of South Africa needs to be concluded as soon as possible and a clear practical and sustainable …
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Reconfigurable wheels : re-inventing the wheel for the next generation of planetary rovers
… to expand the exploration capabilities of planetary rovers is that of wheel traction. The relationships governing how much traction a wheel can produce are highly dependent on both the shape of the wheel and terrain properties. These relationships are complex and not yet fully understood. The …
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