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 27 for “"LAA"”.
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The Role of lAA in the Regulation of Plant Cell Growth
… cultures synthesise indol-3yl-acetic acid (lAA). Despite the presence of high levels of extracellular 2,4 dichlorophenoxyacetic acid (2,4-D), which the cultures require for normal growth, it is suggested that endogenous lAA is a major regulatory factor. The level of endogenous lAA fluctuated …
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Recovery of Nitrogen-15-Labeled Liquid Anhydrous Ammonia Applied to Soil
Although liquid anhydrous ammonia (LAA) is the most extensively used nitrogen (N) fertilizer in U.S. and Illinois agriculture, knowledge concerning its transformations in soil is limited. The understanding of LAA transformations and the products it forms in soil are agronomically important because …
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Advances in the Hyperspectral Imaging Microscope Spectrometer Method, and Application for Measuring the Spectral Reflectance of Light Absorbing Aerosols from the South Cascades, Colorado Rockies, and Iceland
… however, deposition of light absorbing aerosols (LAA), including black carbon, mineral dust and organics onto snow and glacier surfaces can be an even larger driver of melt in some regions (Skiles et al., 2012). Attempts to partition the relative contribution of different types of LAA to snow and …
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Effects of calendar time, temperature and growing degree-day on Pacific Herring (Clupea pallasii) length-at-age
… ecosystems. Pacific herring length-at-age (LaA, mm) has declined markedly over the past several decades in California and British Columbia (BC) regions thereby influencing physiological processes and biological interactions. Assessing variability in herring LaA is relevant to population and …
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Hormone Binding In Plants
… parameters to DR strain cells. The intracellular lAA concentrations of DR cells and NDR cells were 0.20 and 1.15 mg 10-6 cells (at day-7 in the batch culture cycle). Auxin compartmentalization studies showed that the cytoplasmic lAA concentration in NDR cells was 4.5 times higher than that in DR …
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EXPLICIT WRITTEN CORRECTIVE FEEDBACK AND LANGUAGE APTITUDE IN SLA: IMPLICATIONS FOR IMPROVEMENT OF LINGUISTIC ACCURACY
… differences in language-analytic ability (LAA), as measured by the LLAMA F, mediated the effects of these two types of explicit written corrective feedback. Learners in the feedback groups were provided with corrective feedback on two essays, after which learners in all three groups …
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Sex and gender in chronic obstructive pulmonary disease
… fractal value and the % low attenuation area (%LAA)) would differentiate COPD from non-COPD as accurately as the radiologist’s emphysema scores, and would provide similar predictions in both men and women. Instead, we found that the subjective rating of emphysema best differentiated COPD, and …
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The Control of the Root to Shoot Ratio of Radish (Raphanus sativus L.)
… distribution. Analysis of indol-3yl-acetic acid (lAA) and gibberellin levels in radish through its vegetative cycle revealed that shoot hormone levels, initially high, declined with time to become lower than the levels in the root. Thus, the ratio of shoot to root hormone content changed from a …
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Performance Analysis of Coexistence Schemes for LTE in Unlicensed Bands
… We conclude that Licensed Assisted Access (LAA) can coexist with Wi-Fi without impacting Wi-Fi more than an equivalent Wi-Fi network. In the second part, uplink performance evaluation of LTE in licensed spectrum is also demonstrated.
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Universal Atrial Coordinate (UAC) for Wall Motion Deep Learning
… blood stagnation in the left atrial appendage (LAA). Standard scores like CHA₂DS₂-VASc overlook patient-specific motion patterns, while AF's episodic nature and anatomical variability hinder consistent analysis. This thesis presents a standardized framework for LA wall motion analysis using 4D …
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The Effects of Carbon Fiber Misalignment on Composite Material Strength
… Approach (PPA) and Laminate Analogy Approach (LAA) are utilized to predict the elastic modulus of unidirectional carbon fiber samples. A two parameter Weibull distribution is expected to satisfy the probability density of the fiber length and fiber orientation variation which will then be …
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The development of novel electroanalytical interfaces for point of care diagnostics
Reduced sulphydryl thiols (RSH): cysteine, homocysteine and glutathione are fundamental cellular components having important biological functions, including roles within the pathogenesis of a variety of clinical conditions. Independent analysis of these species is problematic and analytical …
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Design, Fabrication and Modelling of Intracardiac Catheter for Electrical Mapping of Atrial Fibrillation
… mapping (ROI) where ROI is specified near the LAA, a 38 mm diameter 64-electrode spatially uniform on 16 splines MBC placed at LAA was able to achieve the same quality indices as the 42 mm dual-spline model placed at the center of the atrial cavity. The result of this thesis showed great …
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Charge Transfer Dynamics in Cadmium Chalcogenide Quantum Dots based Heterostructures
… (NPs) using linker assisted assembly (LAA) approach and electron transfer was studied from band edge and surface states of CdSe QDs to TiO2 NPs using steady-state and time-resolved spectroscopy. Electron transfer was found to be 2-3 times faster from band edge states as compared to …
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A CMA-FRESH Whitening Filter for Blind Interference Rejection
… by LTE waveforms and License Assisted Access (LAA) will have LTE signals coexisting with other signals in the 5 GHz band. In anticipation of this need, we present a method for interference rejection of cyclostationary signals, which can also help avoid interference through better detection of …
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Four-Dimensional Cardiac Magnetic Resonance Analysis in Patients with Atrial Fibrillation
… the left atrium (LA) and left atrial appendage (LAA). while electrophysiological mechanisms of AF are well defined, the LA structural and functional remodelling drives AF onset, persistence, and stroke risk remains incompletely understood. Building on this, the LA plays a pivotal role in cardiac …
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Nanoparticles and photosensitisers; their interactions and antibacterial properties
… the coupling of light activated antimicrobial (LAA) agents with gold nanoparticles to provide new materials that displayed enhanced antimicrobial properties. A versatile and robust approach to the synthesis of gold-thiol-photosensitiser light activated antimicrobials has been developed. In the …
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Luomupuuvillan ja bambukuidun nyppyyntyminen neuleissa
… materi-aaleja. Tässä tutkimuksessa tarkastellaan kasvikuituihin kuuluvia materiaaleja: luomupuuvil-laa sekä bambukuitua. Menetelmät Tutkimus oli luonteeltaan määrällinen eli kvantitatiivinen tutkimus, jossa suuressa osassa oli kokeellinen tutkimus. Tutkimuksessa pyrittiin kuvaamaan ja …
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Regulation of Development of the Storage Root of Sugarbeet
… seedling roots have demonstrated that an auxin (lAA), a cytokinin (BA), myo-inositol and sucrose are required to stimulate cambial activity. Exogenously applied G3 was not essential for cambial activity, but the application of a growth retardant which may act by interfering with gibberellin …
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Structure-activity relationship studies of 2-phenylbenzimidazoles and related organometallic complexes as antiplasmodial agents
Malaria remains a huge public health concern, affecting millions of people from all around the world. The widespread resistance by Plasmodium parasites to previously effective quinoline-based drugs and the emerging resistance to current antimalarial therapies, stresses the urgent need for the …
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