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Termična karakterizacija materialov
Janja Stergar, Irena Ban, 2018, drugo učno gradivo

Ključne besede: termična karakterizacija, materiali, laboratorijske vaje
Objavljeno: 16.11.2018; Ogledov: 10; Prenosov: 2
.pdf Celotno besedilo (596,20 KB)

Strukturna in koloidna kemija
Regina Fuchs-Godec, Matjaž Kristl, 2018, drugo učno gradivo

Ključne besede: koloidna kemija, strukturna kemija, laboratorijske vaje
Objavljeno: 16.11.2018; Ogledov: 6; Prenosov: 1
.pdf Celotno besedilo (1,22 MB)

Criminal justice and security in Central and Eastern Europe
2018, zbornik

Opis: Starting in 1996 and reconvening for its twelfth session in 2018, the Biennial International Conference Criminal Justice and Security in Central and Eastern Europe addresses contemporary challenges in the field of criminal justice and security by encouraging the exchange of the latest views, concepts, and research findings from criminal justice and security studies among scientist, researchers, and practitioners from all over the globe, mainly from Central and Eastern Europe. This year’s Conference is subtitled From Common Sense to Evidence-based Policymaking. The theme of the Conference covers a wide range of topics related to the policing strategies and criminal justice policy development. Authors contributed more than fifty papers that focus on evidence-based policy-making and evidence-based policing, criminal investigation, penology and punishment, security issues, organised crime and corruption, crime analysis, crime prevention, and legal perspectives.
Objavljeno: 13.11.2018; Ogledov: 6; Prenosov: 3
.pdf Celotno besedilo (5,99 MB)

Health-related quality of life in paediatric arterial hypertension
Tadej Petek, Tjaša Hertiš, Nataša Marčun-Varda, 2018, izvirni znanstveni članek

Opis: Background: The prevalence of paediatric hypertension is increasing worldwide, especially due to the childhood obesity epidemic, and is an important public-health concern. While the Health-Related Quality of Life (HRQoL) was already shown to be impaired in the adult hypertensive population, a scarcity of data still exists on HRQoL in paediatric hypertensive patients. Our purpose was thus to assess the HRQoL of children and adolescents with arterial hypertension, using self- and proxy-reports, and to determine the correlations between child and parent questionnaire scores. Methods: The Paediatric Quality of Life Inventory™ 4.0 Generic Core Scales were administered via post to children and adolescents, aged 5-18 years, with primary or secondary arterial hypertension and parents as proxy-reports. Patients were recruited from a paediatric nephrology unit in a tertiary hospital, using an out-patient clinic visit registry. Healthy school children and adolescents from a local primary school, aged 6 to 15 years, and their parents formed the control group. HRQoL group comparisons were calculated with independent samples t-test and child-parent correlations with the Pearson’s r correlation coefficient. Results: In total we recruited 139 patient and 199 control group participants as self- and proxy-reports. Scores from self- as well as proxy-reports indicated a significantly lower overall HRQoL in the paediatric hypertensive population (95% CI for mean score difference: − 11.02, − 2.86 for self- and − 10.28, − 2.67 for proxy-reports; p = .001). In self-reports, lower physical (95% CI: -13.95, − 4.89; p = <.001), emotional (95% CI: -12.96, − 2.38; p = .005), school (95% CI: -11.30, − 0.42; p = .035), and psychosocial functioning scores were observed (95% CI: -10.34, − 1.89; p = .005). Parent proxy-reports were lower in physical (95% CI: -14.31, − 5.39; p = <.001), emotional (95% CI: -12.39, − 2.60; p = .003) and psychosocial scores (95% CI: -9.36, − 1.34; p = .009). Pearson’s r values ranged between 0.62 to 0.79 in patient and 0.56 to 0.80 in control sample (p < .001). Interestingly, hypertensive children reported lower social functioning scores than hypertensive adolescents (p < .001). Conclusions: This cross-sectional study gives insight into the detrimental impact of hypertension on children’s and adolescents HRQoL, which may inform public health experts. Furthermore, it shows that clinicians should aim to improve patients’ physical and psychosocial well-being throughout their development.
Ključne besede: arterial hypertension, paediatric, health-related quality of life, PedsQL
Objavljeno: 26.10.2018; Ogledov: 19; Prenosov: 9
.pdf Celotno besedilo (745,16 KB)

Discrepancies among Scopus, Web of Science, and PubMed coverage of funding information in medical journal articles
Peter Kokol, Helena Blažun, izvirni znanstveni članek

Opis: Objective: The overall aim of the present study was to compare the coverage of existing research funding information for articles indexed in Scopus, Web of Science, and PubMed databases. Methods: The numbers of articles with funding information published in 2015 were identified in the three selected databases and compared using bibliometric analysis of a sample of twenty-eight prestigious medical journals. Results: Frequency analysis of the number of articles with funding information showed statistically significant differences between Scopus, Web of Science, and PubMed databases. The largest proportion of articles with funding information was found in Web of Science (29.0%), followed by PubMed (14.6%) and Scopus (7.7%). Conclusion: The results show that coverage of funding information differs significantly among Scopus, Web of Science, and PubMed databases in a sample of the same medical journals. Moreover, we found that, currently, funding data in PubMed is more difficult to obtain and analyze compared with that in the other two databases.
Ključne besede: journal as topics, medicine, research funding, bibliometrics, funding acknowledgment, funding patterns
Objavljeno: 24.10.2018; Ogledov: 25; Prenosov: 19
.pdf Celotno besedilo (228,93 KB)

A general analytical solution to the one-dimensional consolidation problem for unsaturated soil under various loading conditions
Jiwei Li, Changfu Wei, Yanlin Zhao, 2018, izvirni znanstveni članek

Opis: A general analytical solution is developed for the onedimensional consolidation problem of unsaturated soil under various time-dependent loading conditions based on a differential transformation method (DTM). In particular, analytical solutions are obtained for different relationships between the coefficients in the governing equations for unsaturated soil consolidation. The Fourier series expansion technique is adopted to account for both the continuous differentiable loading and the periodic piecewise loading. A comparison between the results of the current solution and the existing theoretical solution indicates that the proposed solution yields excellent results, while it is straightforward to obtain the analytical solution of the unsaturated consolidation problems. It was also found that the variations in the coefficients in the governing equations can significantly influence the dissipation of both the excess pore-air pressure and the excess pore-water pressure, though the magnitudes of their variations are different.
Ključne besede: one-dimensional consolidation problem, unsaturated soil, analytical solution, time-dependent loading
Objavljeno: 11.10.2018; Ogledov: 61; Prenosov: 7
.pdf Celotno besedilo (814,44 KB)

Modified coefficient of subgrade reaction to laterally loaded piles
Ayhan Gurbuz, 2018, izvirni znanstveni članek

Opis: An accurate prediction of the load capacity of a laterally loaded pile at a permissible displacement is an important concern at the design stage. In contrast to many sophisticated methods, Broms’ method based on moment equilibrium has been preferred by engineers to predict the load capacities of laterally loaded piles due to both its simplicity and because it is established on a way of hand calculation. However, Broms’ method typically overestimates a pile’s lateral load capacity as it requires a constant coefficient of horizontal subgrade reaction (nh) into analyses, regardless of the magnitude of the pile’s top displacement. In this study, modified coefficients of subgrade reactions(nh*) that are sensitive to the pile’s top displacement in cohesionless soils are first proposed to improve the performance level of Broms’ method for the prediction of the load capacity of a laterally loaded pile as the pile’s top displacement increases. The modified values of nh* are calibrated using 45 independently free-head, single-driven, full-scale pile tests from 23 sites in cohesionless soils. It is demonstrated that Broms’ method with nh* would correctly estimate a pile’s lateral load-deflection behavior with accuracy levels similar to more complicated methods.
Ključne besede: Broms' method, coefficient of horizontal subgrade reaction, p-y curves, strain wedge model
Objavljeno: 11.10.2018; Ogledov: 39; Prenosov: 5
.pdf Celotno besedilo (735,27 KB)

A simplified method to analyze pile-supported and geosynthetic-reinforced embankments and the influence significance analysis of the design parameters
Liu Feicheng, Zhang Jianjing, Yan Shijie, Cao Licong, 2018, izvirni znanstveni članek

Opis: A simplified method for evaluating a pile-supported embankment reinforced with geosynthetic (PGRS embankment) is proposed in this paper. The method takes into account not only the arching effect, the membrane effect of the deflected geosynthetic, and the subsoil reaction, but also the pile head settlement, which makes the method applicable for floating piles, as well as piles seated on a firm soil layer. The settlement of the subsoil surface is considered to consist of two parts: (a) the settlement of the subsoil surface equals that of the pile cap with no deformation in geosynthetic yet; (b) the subsoil surface subsides along with the geosynthetic deforming, and the deflected geosynthetic being considered as catenary shaped. The formula for the maximum differential settlement between the subsoil surface and the piles is worked out by analyzing the force equilibrium of the geosynthetic and the stress-strain relationship of the geosynthetic at the edge of the pile cap. The comparison of the calculated results with the observed data and the six current analytical methods has been implemented to verify the proposed method. The influence of the tensile stiffness of the geosynthetic, compression modulus of soft soil, soft soil thickness, embankment height, internal friction angle of the embankment fill and the pile spacing on the subsoil reaction, the stress concentration ratio (SCR) and the tension of the geosynthetic are investigated using the proposed method. The influence significance of these factors has been investigated using the evaluation theory of binary variance analysis for the non-repeatability tests, which helps optimize the design of the PGRS embankment.
Ključne besede: pile-supported embankment, geosynthetic, simplified method, influence significance, binary variance analysis
Objavljeno: 11.10.2018; Ogledov: 27; Prenosov: 4
.pdf Celotno besedilo (1,23 MB)

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