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Gotowe bibliografie tematyczne / Shape improvement

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Gotowa bibliografia na temat „Shape improvement”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 7 lutego 2022

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Artykuły w czasopismach na temat "Shape improvement"

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Sakuma, Hideo. "Improvement of One-shot Fringe Projection for Shape Measurement". SIJ Transactions on Computer Science Engineering & its Applications (CSEA) 01, nr 05 (2.12.2013): 07–11. http://dx.doi.org/10.9756/sijcsea/v1i5/0104610401.

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IJUIN, Hiroshi, Shozo WADA, Tomonori ENSAKA i Tohru OSAKABE. "RELATIONSHIP BETWEEN THE GROUND IMPROVEMENT SHAPE AND IMPROVEMENT EFFECT". Journal of Structural and Construction Engineering (Transactions of AIJ) 81, nr 729 (2016): 1955–62. http://dx.doi.org/10.3130/aijs.81.1955.

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Xiong, Run, Qin Yin, Wen Yang, Yan Liu i Jun Li. "Improvement of Shaped Conductive Backfill Material for Grounding Systems". Applied Computational Electromagnetics Society 36, nr 4 (10.05.2021): 442–49. http://dx.doi.org/10.47037/2020.aces.j.360410.

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In this paper, some improvements have been proposed for low resistance shaped conductive backfill material (SCBM) based on finite-difference time-domain (FDTD) simulations in grounding systems. It is found SCBM can be produced by conjunction of several layers with conductivity decreasing gradually from inner layer to outer layer, and smooth conductivity reduction between layers would lead to a better grounding performance. It is also found cuboid shape is a much more efficient shape than cube and cylinder shapes for SCBM, and holes can be made on the SCBM’s main body. It suggested to bury SCBM vertically when ground soil permits, otherwise bury SCBM horizontally and deeper burying depth would result in smaller grounding resistance. Results show it is not needed to connect the SCBMs one by one tightly in series SCBM, and some distances is allowed without dramatically increasing grounding resistance.

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Mathias, S. A., i A. P. Butler. "An improvement on Hvorslev's shape factors". Géotechnique 56, nr 10 (grudzień 2006): 705–6. http://dx.doi.org/10.1680/geot.2006.56.10.705.

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Aleksandrov, S. "Nozzle shape improvement for waterjet propulsor". Transactions of the Krylov State Research Centre 4, nr 382 (2017): 40–45. http://dx.doi.org/10.24937/2542-2324-2017-4-382-40-45.

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Markov, Oleg E., Natalia A. Rudenko, Igor A. Grachov, Aleksandar Ristovski i Vladimir Radojičić. "Improvement of Plate’s Shape for Ingots Upsetting". Applied Mechanics and Materials 806 (listopad 2015): 141–50. http://dx.doi.org/10.4028/www.scientific.net/amm.806.141.

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A stress-strain state and a resize of an axial defect during upsetting have been investigated in the article. Theoretical research based on a FEM has been conducted. The upsetting of cylindrical steel workpieces which had the axial defect equal to 10 % of the workpiece diameter has been simulated. Upsetting has been carried out by flat, concave-conical and convex plates (solid or with hole). The result of the studies showed that the main influence on the workpiece shape had a ratio of dimensions. The maximal closure of the axial defect provides upsetting by concave-conical solid plates. Upsetting by flat plates does not provide the closure of axial defects. Convex plates provide the uniform stress-strain state along the workpiece cross section. The hole in the plates increases the non-uniformity of strain distribution and also does not provide the axial defects closure.

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Cho, Jinsoo, i Seung-chul Lee. "Propeller blade shape optimization for efficiency improvement". Computers & Fluids 27, nr 3 (marzec 1998): 407–19. http://dx.doi.org/10.1016/s0045-7930(97)00035-2.

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Vokoun, D., i C. T. Hu. "Improvement of shape memory characteristics in Fe–Pd melt-spun shape memory ribbons". Journal of Alloys and Compounds 346, nr 1-2 (listopad 2002): 147–53. http://dx.doi.org/10.1016/s0925-8388(02)00494-2.

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Assi, Wisam Nasser, Assim S. Alaawe i Mohammed Ali Nasser Ali. "Shape Design Thermal Improvement of the Exhaust Manifold". Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 69, nr 2 (18.04.2020): 73–90. http://dx.doi.org/10.37934/arfmts.69.2.7390.

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Kietzman, John, Byong‐Ho Park i Friedrich Prinz. "Part strength improvement in polymer shape deposition manufacturing". Rapid Prototyping Journal 7, nr 3 (sierpień 2001): 130–37. http://dx.doi.org/10.1108/13552540110395529.

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Rozprawy doktorskie na temat "Shape improvement"

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Blocher, Richard Paul. "Predictive Tools for the Improvement of Shape Memory Alloy Performance". The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1556022653899471.

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Chua, Hung Soon. "Shape sensitivity of parametric CAD models and strategies for their improvement". Thesis, Queen's University Belfast, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.546029.

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Urbina, Pons Cristina. "Improvement of the one-way and two-way shape memory effects in ti-ni shape memory alloys by thermomechanical treatments". Doctoral thesis, Universitat Rovira i Virgili, 2011. http://hdl.handle.net/10803/37358.

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Ti-Ni phase transformation behaviour is very sensitive to the thermal and mechanical history of the alloy. Thermomechanical cycling through the full transformation range may degrade the Ti-Ni functional properties (functional fatigue). These repeated transformation cycles cause changes in the SMA phase transformation behaviour due to the formation and accumulation of defects in the alloy microstructure. The main objective of this thesis is to establish the relationships between the changes in Ti-Ni phase transformation behaviour caused by thermomechanical processes, especially in the R-phase range, and the functional properties of the Ti-Ni shape memory alloys (SMAs). Establishing these relationships should allow us to find appropriate thermomechanical processes to substantially improve the Ti-Ni one-way and two-way shape memory effects. To achieve this objective, several experimental techniques are used including measuring variations of the electrical resistivity with temperature, X-ray diffraction, isothermal tension testing, thermal cycling under constant stress, and thermal cycling under zero stress. This study of the phase transformation changes caused by thermomechanical processes has led to a new way of interpreting resistivity curves for calculating the transformation temperatures. Moreover, we have determined how the R-phase influences the functional properties of SMA and, finally, we have substantially improved the properties of one-way and two-way shape memory effects by using thermal processes that avoid permanent deformation of the alloy.
Las transformaciones de fase en aleaciones de NiTi son altamente dependientes de la composición de la aleación, así como de la historia térmica y mecánica previa al uso de la SMA. El objetivo principal de esta tesis es establecer los vínculos existentes entre los cambios producidos en las transformaciones de fase por procesos termomecánicos y las propiedades funcionales en aleaciones con memoria de forma de Ti-Ni, tal que nos permita hallar los procesos termomecánicos más adecuados que proporcionen una mejora substancial en las propiedades funcionales de estas aleaciones. La determinación de estas relaciones, prestando especial atención a la fase-R, nos debe proporcionar las claves para incrementar las propiedades de memoria de forma y doble memoria de forma. Para la consecución de este objetivo se han usado diferentes técnicas de caracterización experimental: variación de la resistividad eléctrica con la temperatura (ER), difractometría de rayos X (DRX), ensayos de tracción isotérmicos, ciclados térmicos a tensión constante y ciclados térmicos a tensión nula. A través del estudio exhaustivo de las transformaciones de fase, se ha aportado una nueva interpretación de las curvas de resistividad para el cálculo de las temperaturas de transformación, se ha determinado la influencia de la fase-R en las propiedades funcionales de las SMA y se han mejorado substancialmente las propiedades de memoria simple y doble memoria de forma mediante procesos térmicos que evitan deformaciones permanentes antes del uso de la aleación.
Les transformacions de fase en aliatges de NiTi són altament dependents de la composició de l'aliatge, així com de la història tèrmica i mecànica prèvia a l'ús de la SMA. L'objectiu principal d'aquesta tesi és establir els vincles existents entre els canvis produïts en les transformacions de fase per processos termomecànics i les propietats funcionals en aliatges amb memòria de forma de Ti-Ni, tal que ens permeti trobar els processos termomecànics més adequats que proporcionin una millora substancial en les propietats funcionals d'aquests aliatges. La determinació d'aquestes relacions, prestant especial atenció a la fase-R, ens ha de proporcionar les claus per incrementar les propietats de memòria de forma i doble memòria de forma. Per a la consecució d'aquest objectiu s'han usat diferents tècniques de caracterització experimental: variació de la resistivitat elèctrica amb la temperatura (ER), difractometria de raigs X (DRX), assaigs de tracció isotèrmics, ciclats tèrmics a tensió constant i ciclats tèrmics a tensió nula. A través de l'estudi exhaustiu de les transformacions de fase, s'ha aportat una nova interpretació de les corbes de resistivitat per al càlcul de les temperatures de transformació, s'ha determinat la influència de la fase-R en les propietats funcionals de les SMA i s'han millorat substancialment les propietats de memòria simple i doble memòria de forma mitjançant processos tèrmics que eviten deformacions permanents abans de l'ús de l'aliatge.

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Navajas, Valentini Elly Ana. "Carcass shape and meat eating quality in sheep : opportunities for genetic improvement using computed tomography". Thesis, University of Edinburgh, 2008. http://hdl.handle.net/1842/27108.

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This thesis reports on an investigation of the association between muscularity and meat quality in Scottish Blackface (SBF) and Texel (TEX) lambs, and the in vivo assessments of these traits using X-ray computed tomography (CT) with a view to their possible inclusion in breeding programmes. The objectives of this work were: (i) to develop comprehensive in vivo assessments of muscularity using spiral CT scans; (ii) examine the relationship of the new muscularity indices with carcass and eating quality; (iii) explore the associations among CT assessments of carcass composition, muscularity and muscle density, and (iv) investigate the possibility of limiting the antagonism between selection for reduced fatness and maintaining eating quality by introducing a CT predictor of intramuscular fat (IMF) as an additional selection criterion for the breeding programmes using CT. The calculation of muscularity indices requires the measurement of the muscle mass and skeletal dimension of the regions of interest. Priority was given to the hind leg (HL) and lumbar region (LR), where high priced cuts are located. The utilisation of new novel imaging technology called spiral CT scanning, which captures detailed information on any specific region, was explored. An algorithm to automatically segment the spiral CT scans (SCTS), and procedures to assess the real dimensions of skeletal structures, were developed. Compared to previous CT m uscularity measurements, the accuracy was much higher with the new index in the HL (correlations with equivalent indices bases on dissection of 0.89 vs 0.51). The accurate measurement of femur length by CT used in the calculation of the new HL index made an important contribution to the higher accuracy of the index. The improvement in accuracy was smaller for the LR (0.55 vs 0.44). The association of CT muscularity indices and carcass traits by dissection in both breeds showed that improved muscularity is not phenotypically correlated with detrimental effects on other carcass quality traits. The correlation coefficients, after adjusting for carcass weight, were positive with meat yield and low and negative, or close to zero, with fatness. This is particularly relevant for the terminal sire breeds, in which the economically important traits included in breeding programmes tend to be carcass composition traits. In the case of SBF, the CT muscularity indices provide an opportunity to improve carcass conformation, a trait included in current breeding objectives. Differences in muscularity of the HL and LR, assessed by the CT muscularity indices, and eating quality were investigated between sexes (ram vs ewe lambs), breeds (SBF vs TEX) and progeny of high- and low-muscularity sires (HM, LM). TEX lambs had 16% greater muscularity than SBF in both regions, whilst differences between sire groups were 4%. Ewe lambs had slightly higher values of muscularity for the F1L than rams but no difference was found for the LR. Meat from SBF lambs was more tender, and had stronger lamb flavour and higher overall liking scores than TEX meat. Sex had a weak influence with ram lambs having a stronger abnormal flavour and lower overall liking in the LR only. No significant differences in meat eating quality were found between HM- and LM-sired lambs, suggesting that improved muscularity would not have unfavourable effects on sensory traits. Genetic parameters for the CT muscularity indices, predictions of carcass muscle and fat weights and CT muscle density were estimated. The estimates of heritabilities of the CT muscularity indices showed they were at least moderately heritable (from 0.38 to 0.92) in both breeds. CT muscle density, measured in the LR, had a moderate to high heritability in both breeds, and strong negative genetic and phenotypic associations with IMF and carcass fat weight. Little association was found between muscularity indices and CT muscle density, implying that improved muscularity would not have a negative effect on CT muscle density. These results suggest, overall, that the effect of selection for improved muscularity of sheep is likely to be favourable for carcass quality and neutral with respect to meat eating quality. Because of the strong phenotypic and genetic associations with IMF, CT muscle density may be a promising selection tool to counteract possible negative effects of decreasing fatness on IMF and therefore eating quality. The inclusion of CT muscle density as a selection criterion allowed more favourable genetic responses in IMF, without further unfavourable increases in carcass fat weight or detrimental effects on leanness. Because increased economic values for IMF led to different expected gains in IMF and other traits in the breeding goal, the definition of the specific values depends on the desired gains in all traits by the industry. Positive returns for the industry from using CT muscle density at the second stage of selection can be obtained for all economic values included in this simulation. The economic benefits were maximised when the proportions of ram lambs CT scanned were 0.15.

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Turek, Vojtěch. "New Elements of Heat Transfer Efficiency Improvement in Systems and Units". Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-234141.

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Zvýšení efektivity výměny tepla vede k poklesu spotřeby energie, což se následně projeví sníženými provozními náklady, poklesem produkce emisí a potažmo také snížením dopadu na životní prostředí. Běžné způsoby zefektivňování přenosu tepla jako např. přidání žeber či vestaveb do trubek ovšem nemusí být vždy vhodné nebo proveditelné -- zvláště při rekuperaci tepla z proudů s vysokou zanášivostí. Jelikož intenzita přestupu tepla závisí i na charakteru proudění, distribuci toku a zanášení, které lze všechny výrazně ovlivnit tvarem jednotlivých součástí distribučního systému, bylo sestaveno několik zjednodušených modelů pro rychlou a dostatečně přesnou predikci distribuce a také aplikace pro tvarovou optimalizaci distribučních systémů využívající právě tyto modely. Přesnost jednoho z modelů byla dále zvýšena pomocí dat získaných analýzou 282 distribučních systémů v softwaru ANSYS FLUENT. Vytvořené aplikace pak lze využít během návrhu zařízení na výměnu tepla ke zvýšení jejich výkonu a spolehlivosti.

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Belinski, Robert A. "An analysis, design, and improvement methodology for shape rolling processes and procedures for the compensation of dies". Ohio : Ohio University, 1999. http://www.ohiolink.edu/etd/view.cgi?ohiou1175264501.

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Adams, Ryan, i s200866s@student rmit edu au. "Evaluation of computerised methods of design optimisation and its application to engineering practice". RMIT University. Aerospace, Mechanical and Manufacturing Engineering, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070130.122013.

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The ongoing drive for lighter and more efficient structural components by the commercial engineering industry has resulted in the rapid adoption of the finite element method (FE) for design analysis. Satisfied with the success of finite elements in reducing prototyping costs and overall production times, the industry has begun to look at other areas where the finite element method can save time, and in particular, improve designs. First, the mathematical methods of optimisation, on which the methods of structural design improvement are based, are presented. This includes the methods of: topology, influence functions, basis vectors, geometric splines and direct sensitivity methods. Each method is demonstrated with the solution of a sample structural improvement problem for various objectives (frequency, stress and weight reduction, for example). The practical application of the individual methods has been tested by solving three structural engineering problems sourced from the automotive engineering industry: the redesign of two different front suspension control arms, and the cost-reduction of an automatic brake tubing system. All three problems were solved successfully, resulting in improved designs. Each method has been evaluated with respect the practical application, popularity of the method and also any problems using the method. The solutions presented in each section were all solved using the FE design improvement software ReSHAPE from Advea Engineering Pty. Ltd.

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Peng, You Ph D. Massachusetts Institute of Technology. "Crystallization of calcium sulphate during phosphoric acid production : improving filtration through improvement in particle shape and size distribution". Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/117887.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2017.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 155-162).
The production of phosphoric acid from phosphate mineral rock involves the addition of phosphate rock to a concentrated sulfuric acid solution. The induced reactive crystallization process produces a side product of calcium sulfate hydrates, which become the filter media in the subsequent acid separation process. For most industrial processes, the dihydrate form of calcium sulfate crystals (gypsum) precipitates and its shape and size distribution are key factors in determining the downstream filtration efficiency. Particularly, the metal ion impurities coming from raw phosphate rock play an important role as shape modifiers. The presence of impurities in the acid mixture has an impact both thermodynamically and kinetically, although most of the available literature focuses on their sole role as growth inhibitors and has neglected their potential impact on altering solution speciation. Past studies on gypsum crystallization in phosphoric acid solutions usually involve the study of crystal growth and nucleation kinetics. However, most of these works did not use the correct definition of supersaturation when quantifying kinetic parameters. The high concentrations in this multicomponent electrolyte system implies that supersaturation, which be written in terms of the solubility product ratio, as governed by nonideal thermodynamics, requires the computation of activity coefficients as well as free ion concentrations. For this purpose, the mixed solvent electrolyte (MSE) model is utilized to capture the solution speciation in order to properly quantify supersaturation at any given condition. The MSE model is a first-principles model that determines solid-liquid equilibrium by calculating excess Gibbs energy from additive pairwise interactions. When impurities are present, additional binary interactions need to be included in the databank, which is carried out by regression analysis using solubility measurements. Continuous reactive crystallization experiments are carried out with and without additives using a mixed-suspension, mixed-product removal (MSMPR) crystallizer. The crystal size distribution and supersaturation are measured once the process reaches steady state. Different conditions are imposed to acquire both the temperature and supersaturation dependency of the crystallization kinetics. A two-dimensional growth model with dispersion is developed in order to capture the needle-like crystal morphology and the temperature dependence of the crystal aspect ratio, which is made possible by performing multi-scale image segmentation and edge detection using the Canny method. Experimental and numerical results are obtained for the base system and in the presence of single and combined impurity ions. Different growth inhibition models are verified and compared for numerical quantification of step advancement retardation in the presence of impurities. This study goes beyond past studies by providing a full two-dimensional kinetic model for a highly concentrated ionic system that includes crystallization kinetics and a thermodynamically correct driving force accounting for non-ideality as well as the effects of impurities.
by You Peng.
Ph. D.

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Scheller, Johannes. "Electroactive morphing for the aerodynamic performance improvement of next generation airvehicles". Phd thesis, Toulouse, INPT, 2015. http://oatao.univ-toulouse.fr/14479/1/scheller_partie_1_sur_2_2.pdf.

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The need to improve the aerodynamic performance of air vehicles is the origin of intense research on the real-time optimization of the airfoil shape. This real-time optimization can only be achieved by morphing the airfoil using adequate materials and actuators. The object of this thesis is to study smart-material actuators for aerodynamic performance optimization on different time scales (low-frequent and high-frequent actuation). First, the effects of the distinct actuation types, low-frequency large-displacement shape-memory alloy (SMA) and high-frequency low-displacement piezoelectric, on the surrounding flow are analyzed separately using dedicated time-resolved particle image velocimetry (TR-PIV) measurements. The experiments showed the deformation capacity of the SMA technology under realistic aerodynamic loads. Furthermore, it was highlighted that despite the limited actuation frequency the “quasi-static” hypothesis has to be carefully adapted for the Reynolds number range of 200.000. The PIV measurements conducted behind the piezoelectrically actuated trailing edge showed the capacity of the actuator to reduce the shear-layer instability modes. An open-loop optimum actuation frequency of 60 Hz has been identified. Secondly, a hybridization of the two previously studied technologies has been proposed. The implied actuators, SMAs and macro fiber composites (MFCs), have been modelled and the combined actuation capacity has been demonstrated. The designed prototype NACA4412 airfoil has been tested in the S4 wind-tunnel of IMFT and it was shown that the combination of the two technologies allows acting on the shear-layer vortices as well as control the lift.

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Oschmann, Tobias Sebastian [Verfasser], Harald [Akademischer Betreuer] Kruggel-Emden, Harald [Gutachter] Kruggel-Emden i Viktor [Gutachter] Scherer. "Extension and improvement of the coupled CFD-DEM approach to describe multidimensional heat transfer and non-spherical particle shape for fluidized systems / Tobias Sebastian Oschmann ; Gutachter: Harald Kruggel-Emden, Viktor Scherer ; Betreuer: Harald Kruggel-Emden". Berlin : Technische Universität Berlin, 2019. http://d-nb.info/1184983836/34.

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Książki na temat "Shape improvement"

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Mitchell, Jerry. Business improvement districts and the shape of American cities. Albany: State University of New York Press, 2007.

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Kiefer, William. Shape up your local school: A 100-page primer for improving public education. Lanham, Md: Scarecrow Press, 2002.

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Self-improvement through self-hypnosis: A complete programme to help you shape your own destiny. Wellingborough, Northamptonshire, England: Thorsons Pub. Group, 1987.

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Feldon, Leah. Does this make me look fat?: The definitive rules for dressing thin for every height, size, and shape. Wyd. 2. New York: Villard, 2003.

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Brown, C. Brené. I Thought It Was Just Me. New York: Penguin Group USA, Inc., 2008.

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Brown, C. Brené. I thought it was just me: Women reclaiming power and courage in a culture of shame. New York: Gotham, 2007.

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Insights into action: Successful school leaders share what works. Alexandria, Va: ASCD, 2011.

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A, Stamford L., red. The power of female friendship: How your circle of friends shapes your life. New York, N.Y: Penguin Group, 2008.

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Lerner, Harriet. The Dance of Fear. Sydney: HarperCollins, 2004.

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Lerner, Harriet. The Dance of Fear. New York: HarperCollins, 2004.

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Części książek na temat "Shape improvement"

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Hahmann, S. "Shape Improvement of Surfaces". W Geometric Modelling, 135–52. Vienna: Springer Vienna, 1998. http://dx.doi.org/10.1007/978-3-7091-6444-0_11.

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Tan, Engin, Sinan Aksöz, Yavuz Kaplan, Hilal Can i Derya Dışpınar. "Improvement in Metallurgical Properties of Gravity Die Cast 2024-T6 Aluminum Alloy via Cryogenic Process". W Shape Casting, 263–71. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-06034-3_25.

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Zheng, Chang Qing, Ehab Samuel i Florentin Laplume. "Optimization of the Process Parameters and Tooling Improvement for the Rheocasting of High Quality Aluminum Components Using the SEED Process". W Shape Casting, 273–80. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062050.ch33.

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Szmidla, Janusz, i Anna Jurczyńska. "SHAPE OPTIMIZATION OF A COLUMN UNDER GENERALIZED LOAD WITH A FORCE DIRECTED TOWARDS POSITIVE POLE". W Quality Production Improvement - QPI, redaktor Robert Ulewicz, 326–33. Warsaw, Poland: Sciendo, 2019. http://dx.doi.org/10.2478/9783110680591-044.

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Richards, R. A., i S. D. Sheppard. "Two-Dimensional Structural Component Shape Improvement Via Classifier System". W Artificial Intelligence in Design ’92, 267–86. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2787-5_14.

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Mitra, Sisir. "Cultivars and plant improvement." W Guava: botany, production and uses, 110–47. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789247022.0006.

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Abstract The major objectives of guava breeding are aimed at improving both plant and fruit characteristics such as to develop high-yielding, high-quality dwarf cultivars with fruits of uniform shape, good size, attractive skin and pulp colour, fewer and/or soft seeds, resistant to wilt, nematodes and long storage life. Selection of superior seedlings has resulted in the development of a number of cultivars in different countries. This chapter describes the Psidium species used in breeding (Psidium cattleyanum, P. guineense, P. acutangulum, P. friedrichsthalianum, P. angulatum and P. littorale), objectives of breeding programmes, introduction and selection, inheritance pattern, interspecific hybridization, polyploidy, mutation and molecular characterization. Guava cultivars growing in different countries (Brazil, China, Egypt, India, Israel, Malaysia, Mexico, Pakistan, South Africa, Taiwan, Thailand, USA and vietnam) are also described.

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Hashem, Mohamed O., Y. Shiraishi, A. Yamada, Y. Tsuboko, H. Muira, T. Yambe i D. Homma. "Improvement of a Shape Memory Alloy Fibered Aortic Pulsation Device". W IFMBE Proceedings, 399–402. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-02913-9_102.

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Schleiting, Maximilian, Alexander Wetzel, Florian Gerland, Thomas Niendorf, Olaf Wünsch i Bernhard Middendorf. "Improvement of UHPFRC-Rheology by Using Circular Shape Memory Alloy Fibres". W RILEM Bookseries, 142–48. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22566-7_17.

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Okamoto, Masaki. "Core–Shell Structured Zeolite Catalysts with Minimal Defects for Improvement of Shape Selectivity". W Core-Shell and Yolk-Shell Nanocatalysts, 187–98. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0463-8_12.

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Wadood, A., M. Takahashi, S. Takahashi, H. Hosoda i Y. Yamabe-Mitarai. "Improvement of Mechanical and Shape Memory Properties of Ti-50Pt High Temperature Shape Memory Alloys by Addition of Group IV Elements". W TMS2013 Supplemental Proceedings, 949–58. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118663547.ch118.

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Streszczenia konferencji na temat "Shape improvement"

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Cushing, David H. "Band shape improvement techniques". W International Symposium on Optical Science and Technology, redaktor Michael L. Fulton. SPIE, 2000. http://dx.doi.org/10.1117/12.404749.

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Han, Taeyoung, Shailendra Kaushik, Ronald Gin i Emmanuel Bot. "Adjoint Method for Aerodynamic Shape Improvement". W SAE 2012 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2012. http://dx.doi.org/10.4271/2012-01-0167.

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Ayed, Sameh Ben, Fehmi Najar i Abdessattar Abdelkefi. "Shape improvement for piezoelectric energy harvesting applications". W 2009 3rd International Conference on Signals, Circuits and Systems (SCS 2009). IEEE, 2009. http://dx.doi.org/10.1109/icscs.2009.5412553.

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Ichizawa, Shunsuke, Kayoko Kondo, Makoto Suzuki, Haruhisa Shimoda i Toshihiro Ogawa. "Improvement of instrument line shape of IMG". W International Symposium on Optical Science and Technology, redaktorzy Marija Strojnik i Bjorn F. Andresen. SPIE, 2002. http://dx.doi.org/10.1117/12.455114.

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Sato, Katsunari, Hiroyuki Kajimoto, Naoki Kawakami i Susumu Tachi. "Improvement of Shape Distinction by Kinesthetic-Tactile Integration". W Second Joint EuroHaptics Conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (WHC'07). IEEE, 2007. http://dx.doi.org/10.1109/whc.2007.73.

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Kim, Hea-Joong, Hee-Deuk Jun, Youn Hwan Kim i Jae-Won Moon. "Stator Shape Optimization for Electrical Motor Torque Density Improvement". W The 2nd World Congress on Electrical Engineering and Computer Systems and Science. Avestia Publishing, 2016. http://dx.doi.org/10.11159/eee16.126.

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Eyi, S., i K. Lee. "Efficiency improvement in sensitivity evaluation in aerodynamic shape optimization". W 14th Applied Aerodynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1996. http://dx.doi.org/10.2514/6.1996-2506.

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Kim, Dong-Yeong, Gyu-Tak Kim i Heung-Kyo Shin. "The shape design of IPMSM for the efficiency improvement". W 2014 17th International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2014. http://dx.doi.org/10.1109/icems.2014.7013505.

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Crespi, F. C. L., V. Vandone, S. Brambilla, F. Camera, B. Million, S. Riboldi i O. Wieland. "Improvement of HPGe detectors timing using pulse shape analysis". W 2009 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2009). IEEE, 2009. http://dx.doi.org/10.1109/nssmic.2009.5402106.

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Basak, Dona. "Inhomogeneous line shape broadening of glass laser and improvement of the line shape by crystallization". W 2016 2nd International Conference on Electrical, Computer & Telecommunication Engineering (ICECTE). IEEE, 2016. http://dx.doi.org/10.1109/icecte.2016.7879626.

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Raporty organizacyjne na temat "Shape improvement"

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Foltz, Stuart, i Daniel Hooks. Lock operation improvements. Engineer Research and Development Center (U.S.), kwiecień 2021. http://dx.doi.org/10.21079/11681/40402.

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The U.S. Army Corps of Engineers (USACE) owns or operates 236 locks at 191 sites (HQUSACE 2016). Although the locks at these sites generally perform reliably, more than half of these structures have surpassed their 50-year economic design life and as such, there are increasing concerns about their continued safe, reliable operation. This work was undertaken to review lock operating equipment, maintenance practices, records pertaining to accidents and equipment failures, and lighting systems; to identify alternative improvements to equipment and equipment maintenance practices; and to analyze and compare those alternatives to determine and recommend optimal solutions. This report documents some lessons learned, primarily to share information that others might find useful. Note that the recommendations in this report should not be viewed as policy, although some might be considered by those creating policy.

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Peters, Vanessa, Barbara Means, Maria Langworthy, Phil Neufeld, Ryan Coe, Kenneth Meehan i Stevin Smith. Enabling Analytics for Improvement: Lessons from Year 2 of Fresno’s Personalized Learning Initiative. Digital Promise, wrzesień 2018. http://dx.doi.org/10.51388/20.500.12265/53.

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Now in its second year, the Fresno Unified School District’s Personalized Learning Initiative (PLI) continues to help teachers and students develop the skills, competencies and mindsets essential for “as yet imagined” futures. A unique aspect of Fresno’s PLI is its analytics partnership between Fresno Unified, Microsoft Education, Houghton Mifflin Harcourt and Digital Promise. This report describes the early success of the PLI on students’ learning outcomes, evidence on what elements of the implementation are working, and the process and principles of the analytics partnership. The report aims to share with other education systems the lessons learned from this journey.

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Alpaydın, Yusuf. EDUCATION IN THE TURKEY OF THE FUTURE. İLKE İlim Kültür Eğitim Vakfı, grudzień 2020. http://dx.doi.org/10.26414/gt008.

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The first report prepared under the Turkey of the Future project is on education, where our country has long been in a search for stability and methodology. The report aims to realistically study in 2018 what needs to be accomplished when looking forward to 2030 using quantitative and qualitative data. In this context, the study begins by explaining the state of education in the new millennium and the problems experienced from this perspective. The context necessary in resolving the issues and bettering current circumstances has been also emphasized in the purview of the report. Along with these improvements, students’ national and international examination performances are also analyzed. Finally, the developed policies, solution recommendations, and improvements have been presented in 12 points on the vision of the future. In preparing the report, the primary framework has been shaped by the relevant scientific literature, the framework and principal values established by the İLKE Foundation for Science, Culture and Education within the scope of the Turkey of the Future Project, and the educational perspectives of the research team. Besides multidisciplinarity and systems approach, locality and originality have been the two principal values when preparing this report.

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Asgedom, Amare, Shelby Carvalho i Pauline Rose. Negotiating Equity: Examining Priorities, Ownership, and Politics Shaping Ethiopia’s Large-Scale Education Reforms for Equitable Learning. Research on Improving Systems of Education (RISE), marzec 2020. http://dx.doi.org/10.35489/bsg-rise-wp_2021/067.

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In 2018, the Government of Ethiopia committed to large-scale, donor-supported reforms aimed at improving equitable learning in the basic education system—the General Education Quality Improvement Program for Equity (GEQIP-E). In this paper, we examine the reform design process in the context of Ethiopia’s political environment as a strong developmental state, assessing the influence of different stakeholder priorities which have led to the focus on equity within the quality reforms. Drawing on qualitative data from 81 key informant interviews with federal and regional government officials and donors, we explore the negotiation and power dynamics which have shaped the design of the reforms. We find that a legacy of moderately successful reforms, and a shared commitment to global goals, paved the way for negotiations of more complex and ambitious reforms between government actors and donors. Within government, we identify that regional governments were only tokenistically included in the reform process. Given that regions are responsible for the implementation of these reforms, their limited involvement in the design could have implications for success.

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Allen, Luke, Joon Lim, Robert Haehnel i Ian Dettwiller. Helicopter rotor blade multiple-section optimization with performance. Engineer Research and Development Center (U.S.), czerwiec 2021. http://dx.doi.org/10.21079/11681/41031.

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This paper presents advancements in a surrogate-based, rotor blade design optimization framework for improved helicopter performance. The framework builds on previous successes by allowing multiple airfoil sections to designed simultaneously to minimize required rotor power in multiple flight conditions. Rotor power in hover and forward flight, at advance ratio 𝜇 = 0.3, are used as objective functions in a multi-objective genetic algorithm. The framework is constructed using Galaxy Simulation Builder with optimization provided through integration with Dakota. Three independent airfoil sections are morphed using ParFoil and aerodynamic coefficients for the updated airfoil shapes (i.e., lift, drag, moment) are calculated using linear interpolation from a database generated using C81Gen/ARC2D. Final rotor performance is then calculated using RCAS. Several demonstrative optimization case studies were conducted using the UH-60A main rotor. The degrees of freedom for this case are limited to the airfoil camber, camber crest position, thickness, and thickness crest position for each of the sections. The results of the three-segment case study show improvements in rotor power of 4.3% and 0.8% in forward flight and hover, respectively. This configuration also yields greater reductions in rotor power for high advance ratios, e.g., 6.0% reduction at 𝜇 = 0.35, and 8.8% reduction at 𝜇 = 0.4.

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McKenna, Patrick, i Mark Evans. Emergency Relief and complex service delivery: Towards better outcomes. Queensland University of Technology, czerwiec 2021. http://dx.doi.org/10.5204/rep.eprints.211133.

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Emergency Relief (ER) is a Department of Social Services (DSS) funded program, delivered by 197 community organisations (ER Providers) across Australia, to assist people facing a financial crisis with financial/material aid and referrals to other support programs. ER has been playing this important role in Australian communities since 1979. Without ER, more people living in Australia who experience a financial crisis might face further harm such as crippling debt or homelessness. The Emergency Relief National Coordination Group (NCG) was established in April 2020 at the start of the COVID-19 pandemic to advise the Minister for Families and Social Services on the implementation of ER. To inform its advice to the Minister, the NCG partnered with the Institute for Governance at the University of Canberra to conduct research to understand the issues and challenges faced by ER Providers and Service Users in local contexts across Australia. The research involved a desktop review of the existing literature on ER service provision, a large survey which all Commonwealth ER Providers were invited to participate in (and 122 responses were received), interviews with a purposive sample of 18 ER Providers, and the development of a program logic and theory of change for the Commonwealth ER program to assess progress. The surveys and interviews focussed on ER Provider perceptions of the strengths, weaknesses, future challenges, and areas of improvement for current ER provision. The trend of increasing case complexity, the effectiveness of ER service delivery models in achieving outcomes for Service Users, and the significance of volunteering in the sector were investigated. Separately, an evaluation of the performance of the NCG was conducted and a summary of the evaluation is provided as an appendix to this report. Several themes emerged from the review of the existing literature such as service delivery shortcomings in dealing with case complexity, the effectiveness of case management, and repeat requests for service. Interviews with ER workers and Service Users found that an uplift in workforce capability was required to deal with increasing case complexity, leading to recommendations for more training and service standards. Several service evaluations found that ER delivered with case management led to high Service User satisfaction, played an integral role in transforming the lives of people with complex needs, and lowered repeat requests for service. A large longitudinal quantitative study revealed that more time spent with participants substantially decreased the number of repeat requests for service; and, given that repeat requests for service can be an indicator of entrenched poverty, not accessing further services is likely to suggest improvement. The interviews identified the main strengths of ER to be the rapid response and flexible use of funds to stabilise crisis situations and connect people to other supports through strong local networks. Service Users trusted the system because of these strengths, and ER was often an access point to holistic support. There were three main weaknesses identified. First, funding contracts were too short and did not cover the full costs of the program—in particular, case management for complex cases. Second, many Service Users were dependent on ER which was inconsistent with the definition and intent of the program. Third, there was inconsistency in the level of service received by Service Users in different geographic locations. These weaknesses can be improved upon with a joined-up approach featuring co-design and collaborative governance, leading to the successful commissioning of social services. The survey confirmed that volunteers were significant for ER, making up 92% of all workers and 51% of all hours worked in respondent ER programs. Of the 122 respondents, volunteers amounted to 554 full-time equivalents, a contribution valued at $39.4 million. In total there were 8,316 volunteers working in the 122 respondent ER programs. The sector can support and upskill these volunteers (and employees in addition) by developing scalable training solutions such as online training modules, updating ER service standards, and engaging in collaborative learning arrangements where large and small ER Providers share resources. More engagement with peak bodies such as Volunteering Australia might also assist the sector to improve the focus on volunteer engagement. Integrated services achieve better outcomes for complex ER cases—97% of survey respondents either agreed or strongly agreed this was the case. The research identified the dimensions of service integration most relevant to ER Providers to be case management, referrals, the breadth of services offered internally, co-location with interrelated service providers, an established network of support, workforce capability, and Service User engagement. Providers can individually focus on increasing the level of service integration for their ER program to improve their ability to deal with complex cases, which are clearly on the rise. At the system level, a more joined-up approach can also improve service integration across Australia. The key dimensions of this finding are discussed next in more detail. Case management is key for achieving Service User outcomes for complex cases—89% of survey respondents either agreed or strongly agreed this was the case. Interviewees most frequently said they would provide more case management if they could change their service model. Case management allows for more time spent with the Service User, follow up with referral partners, and a higher level of expertise in service delivery to support complex cases. Of course, it is a costly model and not currently funded for all Service Users through ER. Where case management is not available as part of ER, it might be available through a related service that is part of a network of support. Where possible, ER Providers should facilitate access to case management for Service Users who would benefit. At a system level, ER models with a greater component of case management could be implemented as test cases. Referral systems are also key for achieving Service User outcomes, which is reflected in the ER Program Logic presented on page 31. The survey and interview data show that referrals within an integrated service (internal) or in a service hub (co-located) are most effective. Where this is not possible, warm referrals within a trusted network of support are more effective than cold referrals leading to higher take-up and beneficial Service User outcomes. However, cold referrals are most common, pointing to a weakness in ER referral systems. This is because ER Providers do not operate or co-locate with interrelated services in many cases, nor do they have the case management capacity to provide warm referrals in many other cases. For mental illness support, which interviewees identified as one of the most difficult issues to deal with, ER Providers offer an integrated service only 23% of the time, warm referrals 34% of the time, and cold referrals 43% of the time. A focus on referral systems at the individual ER Provider level, and system level through a joined-up approach, might lead to better outcomes for Service Users. The program logic and theory of change for ER have been documented with input from the research findings and included in Section 4.3 on page 31. These show that ER helps people facing a financial crisis to meet their immediate needs, avoid further harm, and access a path to recovery. The research demonstrates that ER is fundamental to supporting vulnerable people in Australia and should therefore continue to be funded by government.

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Financial Stability Report - September 2015. Banco de la República, sierpień 2021. http://dx.doi.org/10.32468/rept-estab-fin.sem2.eng-2015.

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From this edition, the Financial Stability Report will have fewer pages with some changes in its structure. The purpose of this change is to present the most relevant facts of the financial system and their implications on the financial stability. This allows displaying the analysis more concisely and clearly, as it will focus on describing the evolution of the variables that have the greatest impact on the performance of the financial system, for estimating then the effect of a possible materialization of these risks on the financial health of the institutions. The changing dynamics of the risks faced by the financial system implies that the content of the Report adopts this new structure; therefore, some analyses and series that were regularly included will not necessarily be in each issue. However, the statistical annex that accompanies the publication of the Report will continue to present the series that were traditionally included, regardless of whether or not they are part of the content of the Report. In this way we expect to contribute in a more comprehensive way to the study and analysis of the stability of the Colombian financial system. Executive Summary During the first half of 2015, the main advanced economies showed a slow recovery on their growth, while emerging economies continued with their slowdown trend. Domestic demand in the United States allowed for stabilization on its average growth for the first half of the year, while other developed economies such as the United Kingdom, the euro zone, and Japan showed a more gradual recovery. On the other hand, the Chinese economy exhibited the lowest growth rate in five years, which has resulted in lower global dynamism. This has led to a fall in prices of the main export goods of some Latin American economies, especially oil, whose price has also responded to a larger global supply. The decrease in the terms of trade of the Latin American economies has had an impact on national income, domestic demand, and growth. This scenario has been reflected in increases in sovereign risk spreads, devaluations of stock indices, and depreciation of the exchange rates of most countries in the region. For Colombia, the fall in oil prices has also led to a decline in the terms of trade, resulting in pressure on the dynamics of national income. Additionally, the lower demand for exports helped to widen the current account deficit. This affected the prospects and economic growth of the country during the first half of 2015. This economic context could have an impact on the payment capacity of debtors and on the valuation of investments, affecting the soundness of the financial system. However, the results of the analysis featured in this edition of the Report show that, facing an adverse scenario, the vulnerability of the financial system in terms of solvency and liquidity is low. The analysis of the current situation of credit institutions (CI) shows that growth of the gross loan portfolio remained relatively stable, as well as the loan portfolio quality indicators, except for microcredit, which showed a decrease in these indicators. Regarding liabilities, traditional sources of funding have lost market share versus non-traditional ones (bonds, money market operations and in the interbank market), but still represent more than 70%. Moreover, the solvency indicator remained relatively stable. As for non-banking financial institutions (NBFI), the slowdown observed during the first six months of 2015 in the real annual growth of the assets total, both in the proprietary and third party position, stands out. The analysis of the main debtors of the financial system shows that indebtedness of the private corporate sector has increased in the last year, mostly driven by an increase in the debt balance with domestic and foreign financial institutions. However, the increase in this latter source of funding has been influenced by the depreciation of the Colombian peso vis-à-vis the US dollar since mid-2014. The financial indicators reflected a favorable behavior with respect to the historical average, except for the profitability indicators; although they were below the average, they have shown improvement in the last year. By economic sector, it is noted that the firms focused on farming, mining and transportation activities recorded the highest levels of risk perception by credit institutions, and the largest increases in default levels with respect to those observed in December 2014. Meanwhile, households have shown an increase in the financial burden, mainly due to growth in the consumer loan portfolio, in which the modalities of credit card, payroll deductible loan, revolving and vehicle loan are those that have reported greater increases in risk indicators. On the side of investments that could be affected by the devaluation in the portfolio of credit institutions and non-banking financial institutions (NBFI), the largest share of public debt securities, variable-yield securities and domestic private debt securities is highlighted. The value of these portfolios fell between February and August 2015, driven by the devaluation in the market of these investments throughout the year. Furthermore, the analysis of the liquidity risk indicator (LRI) shows that all intermediaries showed adequate levels and exhibit a stable behavior. Likewise, the fragility analysis of the financial system associated with the increase in the use of non-traditional funding sources does not evidence a greater exposure to liquidity risk. Stress tests assess the impact of the possible joint materialization of credit and market risks, and reveal that neither the aggregate solvency indicator, nor the liquidity risk indicator (LRI) of the system would be below the established legal limits. The entities that result more individually affected have a low share in the total assets of the credit institutions; therefore, a risk to the financial system as a whole is not observed. José Darío Uribe Governor

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