The dissertation on the topic of "vertical ground heat exchangers as a source of energy" deals with boreholes as a source of energy for the heat pump. In the chapter "The current state" is gradually described problems geothermal energy, open and closed systems, the distribution of thermal boreholes by construction and at the end of the chapter focuses on the thermal test wells. In the chapter "Methodology", in the theoretical part are zoomed simplistic relationships that describe the heat conduction around the borehole, analytical models, numerical models and a combination of numerical and analytical models that are able to describe two or three-dimensional conditions. In the experimental part of this chapter is given space characteristics of the place of measurement and definition of terms attenuation depth and heat transfer coefficient. The final chapter of the dissertation "Results and discussion" presents concrete results.

O desenvolvimento de sistemas com capacidade de unir ferramentas tecnológicas é de grande importância para oferecer apoio à Agricultura de Precisão e estimular a criação de grupos interdisciplinares para obter resultados favoráveis à produtividade agrícola. O objetivo desse trabalho é estudar as aplicações de sensoriamento embarcado em máquinas agrícolas, explorando a interface da agricultura com a computação e as engenharias mecânica e elétrica por meio de conceitos e tecnologias de sistemas de medidas. Foram desenvolvidos dois sistemas de sensoriamento embarcados. No primeiro realizou-se coleta de informações sobre refletância e altura das plantas em cultura de cana-de-açúcar. No segundo realizou-se coleta de informações e controle de aplicação de fertilizantes à taxa variável baseado em informações de refletância em cultura de milho. Utilizou-se os sensores Crop Circle (medidas de refletância para monitoramento de status da planta), Sonar (medida de altura de plantas) e GPS (Sistema de Posicionamento Global), com os quais foram realizados ensaios para determinar possíveis fontes de erro em uma operação agrícola. Os sistemas desenvolvidos cumpriram o papel de integradores de conhecimento, possibilitando observações práticas sobre necessidades, falhas e acertos no desenvolvimento de sistemas embarcados para uso em aplicações agrícolas / The development of systems able to join different technological tools is very important in order to provide support for Precision Agriculture and it stimulates the creation of interdisciplinary teams to obtain favorable results to increase agricultural productivity. The main goal of this work is to study applications of embedded sensing systems in agricultural machines, exploring the interface between computer science, mechanical, electrical, and agricultural engineering using concepts and technologies of measurement systems. It was developed two on board sensing systems. The first system collected the data of crop reflectance and plant height in sugar cane growing area. The second one controlled the variable rate fertilizer distribution based on reflectance of maize crop. Were used the sensors Crop Circle (reflectance to monitor the status of the plant), Sonar (plant height) and GPS (Global Positioning System), which were applied to detect some possible error sources during field operation. The systems developed fulfilled the role of integrating knowledge, providing practical observations about the needs, failures and successes in developing embedded systems for use in agricultural production

O desenvolvimento de sistemas com capacidade de unir ferramentas tecnológicas é de grande importância para oferecer apoio à Agricultura de Precisão e estimular a criação de grupos interdisciplinares para obter resultados favoráveis à produtividade agrícola. O objetivo desse trabalho é estudar as aplicações de sensoriamento embarcado em máquinas agrícolas, explorando a interface da agricultura com a computação e as engenharias mecânica e elétrica por meio de conceitos e tecnologias de sistemas de medidas. Foram desenvolvidos dois sistemas de sensoriamento embarcados. No primeiro realizou-se coleta de informações sobre refletância e altura das plantas em cultura de cana-de-açúcar. No segundo realizou-se coleta de informações e controle de aplicação de fertilizantes à taxa variável baseado em informações de refletância em cultura de milho. Utilizou-se os sensores Crop Circle (medidas de refletância para monitoramento de status da planta), Sonar (medida de altura de plantas) e GPS (Sistema de Posicionamento Global), com os quais foram realizados ensaios para determinar possíveis fontes de erro em uma operação agrícola. Os sistemas desenvolvidos cumpriram o papel de integradores de conhecimento, possibilitando observações práticas sobre necessidades, falhas e acertos no desenvolvimento de sistemas embarcados para uso em aplicações agrícolas / The development of systems able to join different technological tools is very important in order to provide support for Precision Agriculture and it stimulates the creation of interdisciplinary teams to obtain favorable results to increase agricultural productivity. The main goal of this work is to study applications of embedded sensing systems in agricultural machines, exploring the interface between computer science, mechanical, electrical, and agricultural engineering using concepts and technologies of measurement systems. It was developed two on board sensing systems. The first system collected the data of crop reflectance and plant height in sugar cane growing area. The second one controlled the variable rate fertilizer distribution based on reflectance of maize crop. Were used the sensors Crop Circle (reflectance to monitor the status of the plant), Sonar (plant height) and GPS (Global Positioning System), which were applied to detect some possible error sources during field operation. The systems developed fulfilled the role of integrating knowledge, providing practical observations about the needs, failures and successes in developing embedded systems for use in agricultural production

In this thesis, I focused on numerical modelling of groundwater flow in the vicinity of groundwater circulation well (GCW). The thesis can be devided to two parts. In the first one, I created a simple numerical model of GCW. I used a cylindrical flow domain because of the radial symmetry of the problem. The task was to find out which parameters have the biggest influence on groundwater flow. It was found that the hydrogeological settings and hydraulic properties have more considerable effect on GW flow than the well construction parameters. Distance between the well screens is the only important construction parameter, other parameters can be neglected. However, we cannot neglect the influence of hydraulic properties of the porous medium. Considering the radius of influence of GCW, the presence of aquitards and anisotropy of layers affect the groundwater flow around the well seriously. These two parameters cause the extension of the radius of influence, which leads to a longer path of the particle of water. The travel time of particles increases too this slows down the remediation. A big influence has also an intensity of natural groundwater flow in the area because it decreases the radius of influence of the well. In the second part I created a numerical model of pilot site Velká Hleďsebe to investigate...

Diploma thesis focuses on the development of high-speed passenger rail in Europe and studies possible geographic expansion of these lines and their feasibility. The theoretical part deals with the development of high-speed rail transport in Europe-especially in France, Italy, Germany and the Iberian Peninsula. In the practical part the thesis analyzes the present spatial expansion possibilities of high speed rail (HSR) with regard to international routes. In the conclusion is in the diploma thesis drafted HSR network for the Central European region.

<p>Tema disertacije, Kineski vrt &ndash; arhitektura i kultura vrta u kineeskoj<br />tradiciji i njena naučna pripadnost određeni su i uslovljeni<br />konceptualnom razlikom između evropskog i kineskog vrta. Ova razlika<br />ukratko glasi: evropski vrt se pretežno sadi, dok se kineski vrt<br />konsekventno gradi. Glavni predmet umetnosti građenja kineskog vrta<br />je jedinstvena artikulacija prostora koja podrazumeva izražajna<br />sredstva arhitekture ali i učešće gotovo svih elemenata koji su se<br />ikada razvili u kineskoj kulturi. Istraživanje obuhvata analizu<br />istorijskog razvoja, filozofsko &ndash; teorijske osnove estetike vrta,<br />morfologiju i tipologiju arhitektonskog prostora kao i analizu većeg<br />broja sačuvanih vrtova Ming i Ćing perioda.</p> / <p>This thesis aims to provide deeper insight into the art of landscaping as the<br />set of ideas and practices that governs Chinese traditional architecture. It is<br />based on multidisciplinary research on historical, cultural, philosophical and<br />artistic aspects of garden design. Examination is directed toward broadening<br />of domain knowledge as to create the base for different approach to what is<br />generally perceived as modern architecture. Theoretically and empirically it<br />suggests the importance of the articulation of site over the building design.<br />Each chapter explores different facts of the relationship between site and<br />architectural object.</p>

<p>Volume rendering (VRT) has been used with great success in studies of patients using computed tomography (CT), much because of the possibility of standardizing the rendering protocols. When using magnetic resonance imaging (MRI), this procedure is considerably more difficult, since the signal from a given tissue can vary dramatically, even for the same patient. This thesis work focuses on how to improve the presentation of MRI data by using VRT protocols including standardized transfer functions. The study is limited to exclusively examining data from patients with suspected renal artery stenosis. A total number of 11 patients are examined.</p><p>A statistical approach is used to standardize the volume rendering protocols. The histogram of the image volume is modeled as the sum of two gamma distributions, corresponding to vessel and background voxels. Parameters describing the gamma distributions are estimated with a Maximum-likelihood technique, so that expectation (E1 and E2) and standard deviation of the two voxel distributions can be calculated from the histogram. These values are used to generate the transfer function.</p><p>Different combinations of the values from the expectation and standard deviation were studied in a material of 11 MR angiography datasets, and the visual result was graded by a radiologist. By comparing the grades, it turned out that using only the expectation of the background distribution (E1) and vessel distribution (E2) gave the best result. The opacity is then defined with a value of 0 up to a signal threshold of E1, then increasing linearly up to 50 % at a second threshold E2, and after that a constant opacity of 50 %. The brightness curve follows the opacity curve to E2, after which it continues to increase linearly up to 100%.</p><p>A graphical user interface was created to facilitate the user-control of the volumes and transfer functions. The result from the statistical calculations is displayed in the interface and is used to view and manipulate the transfer function directly in the volume histogram.</p><p>A transfer function generated with the Maximum-likelihood VRT method (ML-VRT) gave a better visual result in 10 of the 11 cases than when using a transfer function not adapting to signal intensity variations.</p>

In the Republic of Lithuania laws and Medicines advertising instructions regulate advertising of medicines. State medicines control agency (SMCA) Drug information and monitoring division is responsible for the control of medicines promotion. More attention is paid for the control of advertising of medicinal products, which are available on medical prescription only, and announced in the publications for the health specialists. Register of publications for health specialists is compiled by SMCA according Ministry of health consolidated criteria. Advertising of medicines for the public is screened by choice. SMCA initiate analysis of advertisements by itself or by influence of applications of pharmaceutical companies, supervising their competitors activity, health specialists or other persons notes about non – ethical, Medicines advertising instructions violating advertisements. During the research work the material about advertising of medicines, storied in the SMCA Drug information and monitoring division, was analyzed, commonly occurring violations of Medicines advertising instructions was determined. Following the suggestions of specialists of SMCA Drug information and monitoring division the periodic press was analyzed and results were compared. The most common violation of the Medicines advertising instructions was missing information about medicine in the advertising for health specialists. Others common violations include: misleading advertisements, medicines... [to full text]

My Master thesis is focused on a tracer dilution technique in the well using automatic conductivity logging probes LTC Levelogger (Solinst co. Canada). The main aim of my thesis was to test the application conductivity meters LTC to track the movement of fluids in wells. Different set up were used moving probes with unmodified sensor slit, moving probes with modified sensor slit, probes measuring at fixed points, combined moving and fixed points probes and results were compared. 15 wells in quaternary and 11 wells in Bohemian Cretaceous Basin were measured, some of them repeatedly. The comparison of results indicate that the highest apparent flow velocity have probes with unmodified sensor slit. On the other hand fixed point probes indicate flow velocity, which is 40 - 50% lower at the same wells. The combination of the stable positioned probe LTC and the moving probe LTC has about 40% higher flow velocity than the rate of steady probe LTC placed in the well. The results also indicate that extremely slow velocity values (below approximately 0.02 m/day) can be measured only with LTC probes at fixed points. Modified probe slit was tested in the laboratory in plexi-glass tube using fluorescein and NaCl tracers. Unfortunately the modified geometry of measuring slit does not show distinctively better...

This Master’s thesis deals with the determination of selected micro and macro elements in bottled water purchased in retail chains Czech Republic. There are described macro elements and micro elements that occur in the waters, bottled waters legislation and the most frequent used instrumental methods for elemental analysis. In this work for the analysis of bottled water were used methods optical emission spectrometry with inductively coupled plasma (ICP-OES) and ion chromatography (IC). Elemental composition of bottled water after analysis corresponded to the composition indicated on the labels, there were recorded only minor deviations from the reported concentrations. All bottled water meets the conditions of the legislation of the Czech Republic. The measured data were statistically processed in the XL Stat program and by multivariate data analysis was examined whether it is possible to individual bottled water from each other based on the analyzes differentiate, which can help in verifying the authenticity of bottled water and in the detection of adulteration of bottled water for profit.