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1.
E-documentation and crossborder healthcare
Marta Sjeničić, 2015, original scientific article

Abstract: E-health is, in many European countries, one of the health care areas that are in the fastest development, due to the endeavor to apply modern information and communication technologies for the purpose of meeting the needs of citizens, patients, health professionals and the health policy creators. E-health potentials are virtually endless and can reach from the delivery of health information and health control over the internet, through on- line consultations, issuing of drugs through electronic devices, till robotised surgeries or care of elderly population. European Union works actively in this field through different conventions and directives related to the patients’ rights in cross-border healthcare, but also protection of individuals with regard to the processing of personal data. One of the most recent and important documents in this field was Working Document 01/2012 on epSOS (Article 29 Data Protection Working Party), which was enacted January, 2012, and which was the basis for so-called epSOS project that has been implemented from July 1, 2008 till June 31, 2014. The main objective of epSOS project is to shape, establish and evaluate the infrastructure of services which would enable the crossborder operability between the system of electronic health documentation in Europe. epSOS project aims to develop practical frame for e-health and information-communication infrastructure that would be basis for the safe access to the information on patients' health, in the different European health systems.
Keywords: electronic health documentation, electronic medical record, electronic health record, epSOS, national contact point
Published: 08.10.2018; Views: 400; Downloads: 134
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2.
Use of a Perth sand penetrometer (PSP) device to determine the engineering parameters of sands
S. D. Mohammadi, 2016, original scientific article

Abstract: Determining the in-situ engineering parameters of sandy soils has always been a challenge for geotechnical engineers, resulting in several methods having been developed so far. The Perth Sand Penetrometer (PSP) test is one of the most versatile of these methods. It is a considerably faster and cheaper tool than boring equipment, especially when the depth of the exploration is moderate. In the present research, a methodology for the use of a PSP device to evaluate the engineering parameters of sandy soils in laboratory conditions is discussed and the repeatability of the test results is studied. First of all, the tests were performed on typical Tehran young alluvial deposits (poorly graded sandy soil, SP) consistently prepared to 5 densities using the sand raining or pluviation technique. Next, the normal and logNormal distributions of the test data using the Kolmogorov-Smirnov normality test were examined. After that, based on the obtained results, the relationship types between the dynamic point resistance index (qd) and other parameters, such as the relative density (Dr), the modulus of elasticity (E), the shear modulus (G) and the friction angle of the soil, were determined. The results show that the obtained relationships were semi-logarithmic and logarithmic, and most of the obtained experimental formulas had a high coefficient of determination (>90%). To evaluate the accuracy of the results, 95% confidence and prediction bands were also used and the results show that all the obtained experimental relationships were appropriate. Finally, the repeatability of the test results was evaluated by calculating the coefficient of variations, which was less than 30% for all the tests.
Keywords: dynamic-point resistance index (qd), engineering parameters, repeatability, statistical methods
Published: 18.06.2018; Views: 433; Downloads: 57
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3.
Design optimization for symmetrical gravity retaining walls
Erol Sadoğlu, 2014, original scientific article

Abstract: The optimization for symmetrical gravity retaining walls of different heights is examined in this study. For this purpose, an optimization problem of continuous functions is developed. The continuous functions are the objective function defined as the cross-sectional area of the wall and the constraint functions derived from external stability and internal stability verifications. The verifications are listed as the overturning, the forward sliding, the bearing capacity, the shears in the stem and the bendings in the stem. The heights of the walls are selected as 2.0, 3.0, and 4.0 m in order to investigate the outline of the optimum cross-section and the effect of the wall height on the outline. Additionally, the physical and mechanical properties of the soil are kept constant in order to compare only the effect of the height on the geometry. The upper and lower bounds of the solution space are specified to be as wide as possible and the minimum dimensions suggested for the gravity retaining walls are not taken into account. A common feature of the optimum cross-sections of walls with different heights is to have a very wide lower part like a wall foundation and a slender stem. However, other than the forward sliding constraint, the bending constraints are active at the optimum values of the variables.
Keywords: gravity retaining wall, nonlinear optimization, continuous variables, interior point method
Published: 14.06.2018; Views: 563; Downloads: 50
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4.
Correlation between the point load index, $I_{s(50)}$, and the resistance to unconfined compression in limestone from the comunidad Valenciana, Spain
Manolo Galván, Jorge Preciado, Jose Serón, 2014, original scientific article

Abstract: The unconfined compression strength is one of the most important engineering parameters in rock mechanics; it is used to characterize and study the behaviour of solid rocks. A good correlation between the unconfined compression strength test (UCS) and the point load strength (PLS) can be very useful, because it allows for faster and cheaper testing than other methods with the same security to calculate the structures and performances of solid rocks. A preliminary step to implement the correlation is to have a good method to determine the resistance to a point load. This determination is correct if we have a sufficient number of tests on specimens of the same nature, but usually this does not occur, and it is necessary to apply a size-correction factor, F = (De/50)α, with α = 0.45. This paper is based on limestone from Comunidad Valenciana, Spain, because it represents a very high percentage of the rocks. The implementation was conducted over 700 field and laboratory tests, of which 255 are PLT tests, 45 are UCS tests, and the rest are other parameters, like porosity and specific weight, Slake Durability, and ultrasonic velocity.
Keywords: resistance to point load, point load strength, Franklin test, size correction factor, unconfined compression
Published: 14.06.2018; Views: 457; Downloads: 37
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5.
Yielding in the isotropic compression of Porto silty sand
Miguel Ferreira Amaral, Sara Rios, António Viana da Fonseca, 2012, original scientific article

Abstract: The yielding locus of a well-graded silty sand was analysed by means of isotropic compression tests and scanning electron microscopy (SEM). The tests were performed with precise instrumentation, for internal and external strain measurements, and shear-wave velocity measurements by means of bender elements. Finally, aiming at an accurate evaluation of the yield stress, four different methods were applied – two quite well know and the other two being innovative – leading to interesting conclusions.
Keywords: silty sand, yield point, isotropic compression, high pressure, seismic waves
Published: 13.06.2018; Views: 386; Downloads: 53
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6.
Green's function for tangentialy loaded horizontaly layered half-space
Tomaž Pliberšek, Andrej Umek, 2008, original scientific article

Abstract: The topic of this paper is a novel evaluation of the integral representation of the surface Greenćs function for a layered half-space, loaded on its surface by a harmonic tangential point force. The equations of motions are reduced to wave equations by the introduction of wave potentials. The Hankel transform is applied to them and they are consecutively solved leading to the integral representation of surface displacements. They are consecutively evaluated by the proposed three step procedure. First the singularity is extracted. It is further noted that so obtained integrals, after suitably chosen branch cuts and analytic continuation of integrands are introduced, can be evaluated by contour integration for an arbitrary number of layers. They are, therefore, expressed by number of residues at the poles of integrand and the integrals along finite portions of the branch cuts. The latter ones can easily be evaluated to any desired accuracy leading to a closed form solution. Some numerical results corroborating the presented approach are given.
Keywords: elastodynamics, elastic wave propagation, Green`s function, horizontaly layered half-space, horizontal point load
Published: 05.06.2018; Views: 531; Downloads: 57
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7.
Simulating various terrestrial and UAV LiDAR scanning configurations for understory forest structure modelling
Marina Hämmerle, Niko Lukač, K.-C. Chen, Zsófia Koma, C.-K. Wang, K. Anders, B. Höfle, 2017, published scientific conference contribution

Abstract: Information about the 3D structure of understory vegetation is of high relevance in forestry research and management (e.g., for complete biomass estimations). However, it has been hardly investigated systematically with state-of-the-art methods such as static terrestrial laser scanning (TLS) or laser scanning from unmanned aerial vehicle platforms (ULS). A prominent challenge for scanning forests is posed by occlusion, calling for proper TLS scan position or ULS flight line configurations in order to achieve an accurate representation of understory vegetation. The aim of our study is to examine the effect of TLS or ULS scanning strategies on (1) the height of individual understory trees and (2) understory canopy height raster models. We simulate full-waveform TLS and ULS point clouds of a virtual forest plot captured from various combinations of max. 12 TLS scan positions or 3 ULS flight lines. The accuracy of the respective datasets is evaluated with reference values given by the virtually scanned 3D triangle mesh tree models. TLS tree height underestimations range up to 1.84 m (15.30 % of tree height) for single TLS scan positions, but combining three scan positions reduces the underestimation to maximum 0.31 m (2.41 %). Combining ULS flight lines also results in improved tree height representation, with a maximum underestimation of 0.24 m (2.15 %). The presented simulation approach offers a complementary source of information for efficient planning of field campaigns aiming at understory vegetation modelling.
Keywords: forest structure, understory, laser scanning simulation, full waveform, 3D point cloud analysis, field campaign planning
Published: 09.10.2017; Views: 938; Downloads: 297
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8.
Determination of end-points in hydrolytic potentiometric titrations in Ca2+ -F- system
Danilo Dobčnik, Darinka Brodnjak-Vončina, 1993, original scientific article

Abstract: Mathematical modelling of a multi-component titration system of hydrolytic titrations of metal ions is described. A comparison of the calculated and experimental titration curves and end volumes in the Ca2+ -F- system at different pH values of titrated solutions is presented. The determination of the end-point of titrations by several approximation and mathematical methods is described.
Keywords: titration, end-point, potentiometric, hydrolysis
Published: 05.07.2017; Views: 701; Downloads: 96
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9.
PRIMERJAVA UVEDB KLASIČNIH IN OBLAČNIH CRM REŠITEV
Milena Krajnc, 2016, master's thesis

Abstract: Podjetja se v tem času, ko so finančna sredstva pomembna in je potrebno z njimi upravljati racionalno, vedno bolj odločajo za zunanje izvajanje storitev, tudi za rešitve za upravljanje managementa odnosov s strankami (angl. Customer Relationship Management), ki so finančno ugodnejše in hkrati nudijo vse potrebne funkcionalnosti. Zunanje izvajanje ima svoje prednosti, predvsem v tem, da specializirani dobavitelji določene aktivnosti opravijo hitreje, ceneje in bolje kot organizacija sama. Samo zunanje izvajanje pa brez informacijske podpore ne bi bilo mogoče. Zato se je kaj hitro oblikovalo tudi zunanje izvajanje informacijske tehnologije (v nadaljevanju IT), ki je veliko podjetjem pokrilo njihovo vrzel na oddelku informatike. Eden vodilnih trendov na področju IT in zunanjega izvajanja storitev pa je zagotovo računalništvo v oblaku, ki med drugim podjetjem omogoča dostop do programskih rešitev in hranjenja podatkov preko spletnega brskalnika kadarkoli in kjerkoli. Z vedno večjim poudarkom na pomembnosti stranke za podjetje so se izoblikovale CRM-rešitve, ki podjetju omogočajo celovit pogled nad stranko in analizo njenih aktivnosti. Podjetja želijo imeti celovit pregled nad stranko, pri tem pa gledajo na to, da je rešitev finančno ugodna, dostopna, hitro uvedena in z veliko funkcionalnostmi. S tem razlogom so ponudniki začeli oblikovati CRM-rešitve v oblaku, ki nudijo vse potrebne funkcije za analizo strank, so preko spletnega brskalnika vedno na voljo, sama uvedba pa je hitra in brez dodatne strojne opreme na sami lokaciji podjetja. Ko se podjetje odloča za uvedbo CRM-rešitve, pa je kljub temu da oblačne CRM-rešitve ponujajo veliko prednosti, potrebno dobro razmisliti, za katero možnost se odločiti. Pri klasični uvedbi, to pomeni, da je programska oprema nameščena na lokaciji podjetja, je čas uvedbe daljši, sama rešitev pa ponuja več funkcionalnosti in oblikovanja. Medtem pa oblačna rešitev, ko so programska oprema in podatki shranjeni nekje na oddaljenem strežniku, nudi možnost takojšnje uporabe z nižjimi stroški zagona. Na trgu je veliko tako svetovnih korporacij kot malih domačih ponudnikov CRM-rešitev, zato imajo podjetja težko nalogo že pri sami izbiri ponudnika nove rešitve, ki naj bi se čim bolje prilagajala obstoječim poslovnim procesom v podjetju. Primera klasične CRM-rešitve sta Microsoft Dynamics CRM in SAP CRM, ki sta rešitvi dveh svetovnih ponudnikov ter omogočata uvedbo na lokaciji podjetja. Salesforce CRM je oblačna rešitev, ki je hkrati tudi vodilna na trgu CRM-rešitev, medtem ko je CRM.Point oblačna rešitev domačega ponudnika. Uvedba teh rešitev poteka na dva različna načina, ki pa sta si z določenih vidikov tudi podobna.
Keywords: računalništvo v oblaku, CRM rešitev, uvajanje, metodologija uvedbe, Microsoft Dynamics CRM, SAP CRM, Salesforce CRM, CRM.Point
Published: 23.08.2016; Views: 880; Downloads: 152
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10.
SYMBOLISM AND PRINCIPLES OF DRAGON TRAINING IN THE STORY HOW TO TRAIN YOUR DRAGON: A COMPARATIVE APPROACH
Maja Skok, 2016, undergraduate thesis

Abstract: The aim of this diploma thesis is to compare the symbolism of dragon in the book and the film How to Train Your Dragon. I explore the symbolic meaning of the creature in different cultures and in literature and then I focus on the presentation of the dragon in the story. The role of the mythological creature is very unconventional and it affects major themes of the story. I also explore the allegorical aspect of the story and compare the principles of dragon training to the principles of real-life pet training. This comparison helps to gain deeper understanding of the character development of the protagonist. The story has a lot to offer from the pedagogical point of view, since the audience is very young.
Keywords: dragon, symbolism, How to Train Your Dragon, allegory, training principles, pedagogical point of view
Published: 15.02.2016; Views: 748; Downloads: 88
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