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.
Results
Showing 1 to 20 of 77 for “"emission intensity"”.
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Raman-based measurements of greenhouse activity of combustion flue gases
… work, Raman scattering spectrum and infrared emission intensity in CO2-containing atmospheric jets at various temperatures and concentrations were measured. The results show that there is a linear relationship between Raman scattering intensity and infrared emission intensity. The linear …
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Three Essays on Investigating Province-Level Carbon Dioxide Emissions in China
… factors of energy-related carbon dioxide emission intensity, whether the province-level carbon dioxide emission intensity is convergence, and how the spatial panel data models perform in forecasting against non-spatial panel data models for province-level carbon dioxide emissions in …
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Fabrication and characterization of resonant cavity light-emitting transistors
… capability, and in order to further improve the emission intensity and spectral purity, resonant cavity is introduced into the LET structure. Resonant cavity light-emitting transistors (RCLETs) have demonstrated up to 68% enhancement in the peak emission intensity and narrower emission peak …
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ESSAYS ON INTERNATIONAL TRADE AND THE ENVIRONMENT
… on airborne pollutants, including the change in emissions and concentration as well as their welfare consequences. In the first chapter, I suggest the intermediate import channel as a new perspective to understand the linkage between international trade and air pollutant emissions. I first review …
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Variable-temperature photoluminescence emission instrumentation and measurements on low yield metals
Measurements of the photoluminescence emission spectra of 99.999 % purity gold, 99.9999 % purity copper, polycrystalline PbMo6S8 and single crystal YBCO were made for λex = 488 nm as a function of temperature (72 K < T < 300 K), time (t < 12 hours), excitation power (P < 120 mW) and position on the …
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Life Cycle Analysis of Greenhouse Gas Emissions from the Mining and Milling of Uranium in Saskatchewan
… study of life cycle greenhouse gas (GHG) emissions intensity during the uranium mining-milling phase of the nuclear fuel cycle for three paired uranium mine-mill operations in northern Saskatchewan (SK). The study period runs from 2006 – 2013 for two of the three pairs, and from 1995-2010 …
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Luminescent Semiconductor Quantum Dots (QDs) and Their Nanoassemblies as Bioprobes
… QDs synthesized in reverse micelles showed broad emission spectra. CdSe-CdS QDs with core shell structure synthesized in aqueous solution showed more than 30% emission quantum yield. CdSe-CdS QDs of different emission colors were prepared. CdSe and CdSe-ZnS QDs were also synthesized in TOPO/TOP …
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Outer-core emission spectroscopy of the heavy alkalis and alkali-alkali metal alloys
"Electron-induced emission spectra from outer core np5{n+l)s2 ~ np6{n+l)s recombination processes are reported for K (n=3), Rb (n=4), and Cs (n=5), both as pure metals and when alloyed in Li, Na, and each other. The results for pure Rb and Cs allow the first comparisons of emission profiles, core …
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Variance Spectroscopy and its Application to the Study of Single-Wall Carbon Nanotubes
… and analyzes changes in photoluminescence intensity caused by statistical variations in the local composition of dilute nanoparticle samples. The data are spectrally resolved, allowing for the analysis of individual SWCNT emitters in a complex sample. Several thousand statistically …
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Steady State and Time-Resolved Cathodoluminescence Analysis of III-Nitride Semiconductors
… is a tool that is used to investigate optical emission from semiconductors. The technique operates by exciting the sample with a focused electron beam such that it becomes excited and emits photons which are then analysed. The technique can be operated with a continuous electron beam but can …
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Engineering semiconductor quantum dots for quantitative imaging of cell motility and invasion
… unique optical properties such as a narrow emission range and high photo-stability, which makes them useful for a variety of biological imaging applications. In this study, QDs presenting different chemical moieties were used to quantify non-specific binding to different extracellular matrix …
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Effects of Metallic Nanoalloys on Dye Fluorescence
… and to increase significantly the fluorescence intensity and the photostability of many fluorescent dye molecules. Metal enhanced fluorescence (MEF) is therefore widely investigated for biosensing applications. When used in immunoassays, silver island films (SIFs) could augment the fluorescence …
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ESSAYS ON ECONOMIC POLICY AND FIRM DYNAMICS
… taxes when negative externalities from carbon emissions coexist with another inefficiency, specifically, the misallocation of production inputs across heterogeneous firms. This research holds relevance because governments may possess policy tools to address climate change, yet lack other means …
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The Effects of Highly Reflecting Materials on Nearby Fluorescent Probes
… resulting from reflection will affect the emission intensity and the lifetime of the excited state of these molecules. A layered system was designed and assembled allowing the positioning of a thin layer of fluorescent molecules to serve as a probe of the environment at a given distance …
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Chemiluminescence detection with a regenerable reagent by using tris(2,2'-bipyridyl)ruthenium(II) immobilized in nafion
… reacts with analytes to yield chemiluminescence emission with the emission intensity being proportional to the analyte concentration; the reaction results in Ru(bpy)$\sb3\sp{3+}$ being converted to Ru(bpy)$\sb3\sp{2+}$ which is then recycled to Ru(bpy)$\sb3\sp{3+}$ again at the electrode. This …
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Techno-economic Analysis and Strategic Decarbonization of the Indian Cement Industry
… too, increasing consumption patterns and CO₂ emissions. Climate change is border agnostic. Its effects are everywhere and transcend across nations. The success of the world's ability to limit the global rise in temperatures to under 2°C or 1.5°C to meet climate goals depends heavily on India's …
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Effect of Nanoscale Defects on Electrical and Optical Properties in Iii-V Semiconductors
… conduction and valence bands, and spontaneous emission spectra are evaluated to compare with available experimental results. Inhomogeneous band edge shifts for each subband due to the strain fields associated with each type of dislocation, plus the electrostatic potential of edge dislocations, …
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An investigation of chemiluminescent miniaturised analytical systems
… on the enhancement of the chemiluminescence emission intensity and the modification of electroosmotic flow is discussed.A quantitative analysis of codeine was then successfully performed using this set-up. The points for the codeine concentrations of 5x10⁻⁷ to 1x10⁻⁴ mol 1⁻¹ were plotted to …
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Use of luminescence energy transfer probes to detect genetic variants.
… suggest that the inconsistency found in the emission intensity of several of these probes may be caused by 3 important factors: length of the probe, nucleotide sequence and, the formation of an alternative complex structure such as a dimer. Of all three factors, dimer formation is the most …
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Apkonvertuojančių NaGdF4:Yb3+,Er3+ nanodalelių sintezė, paviršiaus modifikavimas branduolio-lukšto metodu ir tyrimas /
… diffraction, scanning electron microscopy and emission spectra. Synthesised particle average size varies from 6,2 ±0,5 nm to 30,7±2,0. This perfectly fits the size range in which particles effectively migrate in biological media, besides upconversion intensity is sufficient for imaging …
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