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 63 for “"PCN"”.
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Análise histórica e metodológica do livro de António Trajano e suas relações com os atuais Parâmetros Curriculares Nacionais (PCN)
… pelos Parâmetros Curriculares Nacionais (PCN) relacionadas aos conteúdos de matemática apresentam transformações significativas em relação às contribuições da obra Aritmética Elementar Ilustrada Ensino Teórico e Prático , de António Trajano? Livro foi escolhido por ter tido grande …
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O ensino de matemática nas escolas da rede municipal de Pombal – PB: entre os PCN e a sala de aula.
We carried out a diagnosis of teaching practices of mathematics in the final grades of Basic Education in public schools of Pombal, Paraíba. We aimed to analyze whether methodologies used by teachers in classrooms are actually producing meaningful learning. We applied questionnaires to teachers of …
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Do percutaneous nephrostomies for malignant obstructive uropathy improve renal function six months post intervention?
… managed by performing percutaneous nephrostomy (PCN) tube insertion. Nephrostomy tubes are associated with prolonged hospital stay which affects quality of life. The main objective of this study was to assess the changes in estimated glomerular filtration rate (eGFR) over the first six months …
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Developing Commercially Scalable Iron and Titanium Metal-Organic Frameworks for Gas Storage and Water Purification
… variant of a commercially available MOF named PCN-250(Fe3O). The method developed utilizes the addition of fatty acids during MOF synthesis in order to induce and engineer hierarchal porosity within PCN-250(Fe3O). The resulting Hierarchally Porous MOFs (HP-MOF) exhibited completely different …
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Temporizing Uncertainty: A Constructivist Grounded Theory of Advanced Practice Palliative Care Nurses' Prognostication in Non-Malignant Illnesses
… to the culture and work of advanced practice PCN. This researcher, a member of the group of study provides a unique glimpse into this culture of PCN. The study sought to understand and discover a theory about the experiences of prognostication of individuals with non-malignant illnesses by …
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The effects of fertilisers, particularly foliar applied, on the potato plant's tolerance of attack by the potato cystnematodes, <i>Globodera rostochiensis</i> and <i>G. pallida</i>
Potato cyst nematodes, PCN, cause major yield loss in commercial potato production. One of the mechanisms of yield loss cited is a reduction in the uptake of the major nutrients nitrogen (N), phosphorus (P) and potassium (K). For the work described in this thesis, it was hypothesised that nutrient …
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PMMA Clay Nanocomposites
Polymer clay nanocomposites (PCN) of poly(methyl methacrylate) (PMMA) and clay, were synthesised in-situ using a free radical suspension polymerisation technique. The weight fraction of clay in the PCN was systematically varied in order to understand the effect of clay on the physical properties of …
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Análisis comparativo del manejo de la información por parte de los periódicos, el tiempo y Voz Proletaria, en relación con el paro cívico nacional de 1977
Este trabajo busca ofrecer una concepción del PCN de 1977, corno resultado de una confrontaciónde fuerzas ideológicas que caracterizaron la información del momento, ha sabiendas que desde este escenario se libraría una lucha abierta entre los periódicos, "El Tiempo y Voz Proletaria, por imponer la …
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Modulation of airway mucin glycosylation by Pseudomonas aeruginosa pyocyanin
… the ability of PA virulence factors pyocyanin (PCN), LPS, flagella and alginate to modulate the levels of sialyl-Lewisx modifications on airway mucins in a mouse model and in in vitro cell culture. We found PCN to be a potent inducer of sialyl-Lewisx in both mouse airways and in the cultured …
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Population dynamics of potato cyst nematodes in relation to temperature
… experiments to clarify the mechanisms of PCN population increase and associated damage to potato primarily in relation to temperature. The research was undertaken in controlled environments and in the field to examine the impact of temperature and mixed populations on the life cycle and …
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Tuning the properties of titania and polymeric carbon nitride photocatalysts for total and selective oxidation reactions
… en titania y nitruro de carbono polimérico (PCN), respectivamente. La primera parte de la Tesis describe la síntesis y aplicación del TiO2 para la remediación de aguas conteniendo el contaminante orgánico 2-(4-metilfenoxi)etanol (MPET). Se ha desarrollado un nuevo procedimiento para la …
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Injectable chemokine-releasing gelatin matrices for enhancing endogenous regenerative responses in the injured rat brain
… polyelectrolyte complex nanoparticles (PCN), which could encapsulate SDF-1[alpha] efficiently and sustain its release for 4 weeks. When used in an in vitro migration assay to fill a core region that was surrounded by an aNPC-laden hydrogel construct, the resulting Gtn-HPA/SDF- …
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Pseudomonas chlororaphis (pJP4) als effizienter Rhizosphäre-Kolonisierer: Untersuchung fitness-relevanter Faktoren und Etablierung einer in situ-Detektionsmethode
… Alle drei Acyl-HSLs wurden ebenfalls von den PCN-negativen SPR044-Derivaten sowie vom PCN-Überproduzierer produziert, nicht jedoch von den "Quorum-Sensing"-negativen Derivaten. Entsprechend der regulatorischen Funktion der Acyl-HSLs zeigten quantitative Analysen eine Korrelation zwischen der …
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Surface Functionalisation of Metal-Organic Frameworks for Biomedical Applications
… approach, three porous and biocompatible MOFs–PCN-222, Zr-fumarate, and MIL-173–were synthesised with high crystallinity and purity. Additionally, a new crystal structure named Mg(bpgal)2 was discovered, which is based on Mg-gallate MOF but features an extended linker to enhance its pore size …
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Zirconium-based Metal-Organic Frameworks for Pleural Mesothelioma Therapy
… Next, two more Zr-MOFs with larger porosities, PCN-128 and PCN-222, were synthesised to co-encapsulate the first-line treatments for mesothelioma, carboplatin and pemetrexed. The surface functionalisation process was then simplified from two steps (bilayer coating) to one step using a phosphate …
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Light Harvesting and Energy Transfer in Metal-Organic Frameworks
… studied the energy transfer characteristics of PCN-223, a zirconium-based MOF containing TCPP ligands. After performing structural characterization, the photophysical properties of PCN-223 and free TCPP were investigated using steady state and time-resolved spectroscopy. pH-dependent …
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Maximizing Impact: A Grounded Theory Study of Primary Nursing Relationships in the Neonatal Intensive Care Unit
Primary care nursing (PCN) is a common nursing care delivery system within the neonatal intensive care unit (NICU). Some studies of the effects of this form of care delivery have demonstrated positive effects for patients, families, nurses, and healthcare facilities but some reported concerning …
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The placement, fate and effectiveness of granular nematicides in potato beds infested with the potato cyst nematode <i>Globodera pallida</i> (stone)
The chemical control of the potato cyst nematode (PCN) by granular nematicides when applied and incorporated into potato seed beds was investigated to assess problems connected with incorporation using bed cultivation machinery. Fluorescent tracer granule work using a range of granular nematicide …
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Sexualidade e educação sexual
… present in national Curriculum parameters (PCN). We also had the objective of analyzing how the transversal contents are inserted in teaching, building on the themes suggested by (PCN).
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Synthesis and Characterization of pure-phase Zr-MOFs Based on meso-Tetra(4-carboxyphenyl)porphine
… optimal synthetic conditions yielding phase-pure PCN-222, PCN-223 and MOF-525 were identified. 1H NMR analysis, TGA and N2 gas adsorption measurements were performed on select MOFs to gain insight into the relationship between their defectivity and modulator properties. Chapter 3: Singlet-singlet …
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