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Found 6674 publications

Challenges and responses in the geo-engineering education

P. Scharle

Publication Name: Proceedings of the 1st International Conference on Education and Training in Geo Engineering Sciences Soil Mechanics Geotechnical Engineering Engineering Geology and Rock Mechanics

Publication Date: 2008-01-01

Volume: Unknown

Issue: Unknown

Page Range: 443-446

Description:

Structural engineers assess the geotechnical problems as difficult to model, complicated to calculate and full of crude approximations. In return, clear constraints hindering the practical use of advanced mechanical theories and computational software decrease the interest of geotechnicians in studying and applying them. In designing complex structures both sides restrict themselves in many cases to the exchange or prescription of some data given on interfaces. The paper presents an overviewon differences either loosing their importance or remaining significant between these structural and geotechnical perspectives. Educational consequences related to the Bologna-process are discussed. Role of case studies and understanding of the observational method's importance are stressed. The paper concludes that geotechnical education should and could correspond to the challenges with more conscious and better structured curricula. © 2008 Taylor & Francis Group, London.

Open Access: Yes

DOI: DOI not available

Sustainable Cities by Collaborative Last Mile Parcel Delivery - Live Example Insight

Edit Süle Csilla Bartucz

Publication Name: Springer Proceedings in Earth and Environmental Sciences

Publication Date: 2024-01-01

Volume: Part F2516

Issue: Unknown

Page Range: 457-468

Description:

The restrictive measures during the Covid pandemic resulted in an unexpected growth in e-commerce, which growth has continued since the epidemic. The growth of e-commerce also increased the number of last mile parcel delivery transactions. The growth of last mile parcel logistics also resulted in an increasing number of cars, emissions and traffic problems. City governments introduce restrictive measures against increased environmental burdens, which imposes an additional burden on parcel logistics providers. Collaboration among last-mile service providers can assist boost productivity while at the same time lowering harmful environmental effects. However, there is little service provider cooperation in this industry. This study analyses the development of cooperation between service providers based on an examination of a Central-Eastern European Courier, Express, Parcel (CEP) market, which has market characteristics that can be referred to as typical for this area such as: a small number of dominant service providers; a large number of small service providers who are usually subcontractors of the dominant ones; individualistic operation. The market structure of the example country being presented is oligopoly, which is typical of the CEP market of the countries in the region. The analysis of the Hungarian market is supplemented by the creation of a model that simulates cooperation, which shows that the quantity of delivery vehicles, the distance travelled by the trucks, and the degree of environmental impact brought on by all of this can be decreased.

Open Access: Yes

DOI: 10.1007/978-3-031-48532-9_42

What are cultural metaphors?

Baranyiné Kóczy Judit

Publication Name: Magyar Nyelvor

Publication Date: 2017-01-01

Volume: 141

Issue: 4

Page Range: 404-425

Description:

One of the central issues in metaphor research is the interrelation of metaphors and cultural experience (Gibbs 2017; Kövecses 2005a, 2015; Sharifian 2011). As part of that research agenda, the notion of cultural metaphor has become one of the major categories of cultural linguistics (Sharifian 2011, to appear). The multidisciplinary theoretical framework interprets cultural metaphors within the set of cultural conceptualisations whose common trait is that they are rooted in a system of values and principles characteristic of a community. The aim of this paper is to outline the notion of cultural metaphor, and present its most important characteristics and dimensions of study in a cultural linguistic framework. First, its close connection is introduced with cultural schemas (including emotional schemas and event schemas) and cultural categories, and then it is argued that individual cultural metaphors cannot be taken to be elaborations of a more generic conceptual metaphor (Kövecses 2005ab). Next, it is discussed how source domains and target domains can be brought to bear on cultural cognition. Finally, metaphor preference (Benczes & Ságvári to appear) is discussed as an instance, broadly construed, of cultural metaphors. It is argued that, albeit cultural metaphors are of a conceptual nature, their conceptual structure is largely determined by cultural experience, hence their analysis primarily targets experiences and suppositions that make them culturally decisive. The theoretical claims of the paper are illustrated by cultural metaphors taken from Hungarian folk songs, along with examples borrowed from the relevant literature (Yu 2017; Yu-Jia 2016).

Open Access: Yes

DOI: DOI not available

Comparative 3-dimensional visualization of the equine petrosal bone

Petneházy Örs Rácz Bence Pomsár Miklós Baksa Gábor Kozma István Czeibert Kálmán

Publication Name: Magyar Allatorvosok Lapja

Publication Date: 2018-01-01

Volume: 140

Issue: 12

Page Range: 737-744

Description:

Background: The petrosal bone is one of the smallest and most complex among the bones of the equine skull. Its irregular surface, several projections and channels, and hidden inner structures make its visualization challenging. Textbooks usually show this bone on different drawings and photographs, where the structures' relationship and their spatial organization cannot be properly understood. Objectives: We wanted to create high-resolution surface models of certain petrosal bone structures in order to study them separately or in connection with the originál one. Materials and methods: First we captured photos from a skull and its left petrosal bone. The isolated bone was scanned with a microfocus CT (FOV: 1024x1024, size of a voxel: 0.06 x 0.06 x 0.06 mm) and DICOM images were exported. Image volume was analysed with FEI Amira 6.0 for LifeSciences software; during seg-mentation individually labelled fields were generated to the following structures: surface model of the petrosal bone, malleus, incus, os lenticulare, stapes, inner ear and the channel of the facial nerve. 3-dimensional models were made from the label fields, and after refinement STL (stereolithography) models were made. Results and discussion: Changing the opacity of the surface models gave a unique possibility to compare the inner structure of the same bone seen on photographs and on the 3D-model in different aspects. Enlarging and labelling the inner ear and the auditory ossicles were also performed. In order to show the outer and the inner structure more interactively, three short video animations were created which present the outer aspects, the middle ear cavity, the inner ear and the channel of the facial nerve (like a virtual endoscopy). Finally, the STL-model of the auditory ossicles associated with the inner ear was 3D-printed and colorized according to the surface models. In conclusion, the 3D-visualization (modelling, augmented and virtual reality, 3D-printing) can be an immense aid not only in the educational, but also in clinical and research fields.

Open Access: Yes

DOI: DOI not available

Female physicians' and nurses' self-rated general and psychosocial health status and health behaviour in Hungary

Kovácsné Tóth Ágnes Feith Helga Judit Balázs Péter

Publication Name: New Medicine

Publication Date: 2007-07-01

Volume: 11

Issue: 3

Page Range: 55-58

Description:

Aim. This study analyses the self-rated general and psychosocial health of female physicians and nurses in Hungary related to healthy lifestyle habits and individual behavioural patterns. Material and method. cross-sectional data were taken by a questionnaire survey among Hungarian female health care staff members (N=409) selected representatively in 2005 (responding rate 45.5%). Results. Six out of ten staff members mentioned at least one health problem. Strongly related to self-rated health (SRH) were role conflicts (p<0.001), pessimistic future expectations (p<0.001), perceived difficulties in maintaining the actual partnership (p=0.001), and satisfaction with one's life and career (p<0.001). About 40% said that they did some sports once a week or even more frequently. Smokers represented 24.4%. Conclusion. The results obtained suggest that health is not a highly appreciated value among female staff members in Hungarian health care. Moreover, their health-related behaviour is at a substandard level. Improving this situation should be a priority aim of any intervention. ©Borgis.

Open Access: Yes

DOI: DOI not available

Benchmark Analysis of Plastic Strain-Based Lifetime Estimation Fatigue Models in Aspect of SMD Component Standoff Height

Ambrus Zelei Antal Bakonyi

Publication Name: Advances in Transdisciplinary Engineering

Publication Date: 2024-01-01

Volume: 59

Issue: Unknown

Page Range: 128-134

Description:

Thermomechanical fatigue is one of the most common cause of the failure in microelectronic technology in the solder joints. The lifetime prediction for microelectronic components is a very important area in nowadays automotive industry, because the lifetime estimation fatigue models in the literature differ in their results by orders of magnitude. However, developing an accurate lifetime estimation methodology for microelectronic components is not straightforward, because the failure mechanism of the solder joints under cyclic thermomechanical load is not fully understood. In addition, there are numerous tolerances and uncertainties during the designing and manufacturing processes, such as component size, copper pad area, solder material volume or the formed standoff height of the component from the copper pad. These parameters can hugely affect the lifetime of the solder joint. In this paper a benchmark analysis based on finite element method were carried out with four plastic strain-based fatigue models to understand the impact of the standoff height to the estimated lifetimes. Three CAD models were created with identical parameters, except the standoff height of the components. Creating the solder geometries for the 3D models, Surface Evolver software were used. The result shows that the fatigue models give the same tendencies varying the standoff height values. However, changing the standoff height increases the differences between models, even if they are tuned so that the estimated lifetime matches for a certain standoff height.

Open Access: Yes

DOI: 10.3233/ATDE240536

Comparison of optimized PID and fuzzy control strategies on a mobile pendulum robot

Ákos Odry Róbert Fullér

Publication Name: Saci 2018 IEEE 12th International Symposium on Applied Computational Intelligence and Informatics Proceedings

Publication Date: 2018-08-20

Volume: Unknown

Issue: Unknown

Page Range: 207-212

Description:

S-This paper investigates the optimized control performances of fuzzy and proportional-integral-derivative (PID) control schemes developed for the stabilization of an under-actuated mobile robot. The fuzzy control strategy had been designed in an earlier paper, its equivalent PID controller-based scheme is established first. Then a complex cost function is defined that evaluates the reference tracking performance, the efficiency of system oscillations suppression and the average current consumption in the motor drive system. The particle swarm optimization (PSO) is applied to tune both control schemes under the same circumstances by minimizing the formulated cost function. Results demonstrate that the optimized fuzzy control strategy provides the same reference tracking quality with significantly better suppression of system oscillations and current peaks compared to the optimized PID control.

Open Access: Yes

DOI: 10.1109/SACI.2018.8440947

The Interpretive Practice of the Hungarian Constitutional Court: A Critical View

Zoltán Szente

Publication Name: German Law Journal

Publication Date: 2013-08-01

Volume: 14

Issue: 8

Page Range: 1591-1614

Description:

No description provided

Open Access: Yes

DOI: 10.1017/S2071832200002418

Mediumship and its Cognitive 'Survival' in Identification of Collective Individuation Part VI. Csontváry's Vision (Picture) of the Wailing Wall and Jung's Fatehpur Dream, a Comparison

Peter Varlaki Judit Ida Steiner-Varlaki Peter Baranyi

Publication Name: 10th IEEE International Conference on Cognitive Infocommunications Coginfocom 2019 Proceedings

Publication Date: 2019-10-01

Volume: Unknown

Issue: Unknown

Page Range: 587-596

Description:

In this part of the paper we intend to show a hermeneutical comparison between Csontváry's Wailing Wall picture and Jung's famous Fatehpur dream as characteristic manifestations of the collective individuation. We discuss their mainly unconscious participation mystique with Sabbatai Zwi and his 'theology' together with their interest in the 'David-Uriah' mythologem. Afterward we analyze the mediumship of Csontváry comparing with the mediumship of C. G. Jung and W. Pauli.

Open Access: Yes

DOI: 10.1109/CogInfoCom47531.2019.9089905