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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
61

3D CBCT analysis of the frontal sinus and its relationship to forensic identification

Krus, Bianaca S. January 2014 (has links)
Indiana University-Purdue University Indianapolis (IUPUI) / The positive identification of human remains that are decomposed, burnt, or otherwise disfigured can prove especially challenging in forensic anthropology, resulting in the need for specialized methods of analysis. Due to the unique morphological characteristics of the frontal sinus, a positive identification can be made in cases of unknown human remains, even when remains are highly cremated or decomposed. This study retrospectively reviews 3D CBCT images of a total of 43 Caucasian patients between the ages of 20-38 from the Indiana University School of Dentistry to quantify frontal sinus differences between adult males and females and investigate the usefulness of frontal sinus morphology for forensic identification. Digit codes with six sections and eleven-digit numbers were created to classify each individual sinus. It was shown that 3D CBCT images of the frontal sinus could be used to make a positive forensic identification. Metric measurements displayed a high degree of variability between sinuses and no two digit codes were identical. However, it was also shown that there were almost no quantifiable and significant sexually dimorphic differences between male and female frontal sinuses. This study confirms that sex determination should not be a primary goal of frontal sinus analysis and highlights the importance of creating a standard method of frontal sinus evaluation based on metric measurements.
62

Hodnocení stavu konstrukčního dřeva s užitím technologie odporového vrtání / Evaluation of the condition of structural timber using resistance drilling technology

Dziadková, Aneta January 2022 (has links)
The aim of this master thesis is to summarize the overview about characteristics and properties of timber and about diagnostic methods used for timber structures prospecting. Experimental part is focused on comparison of drill resistance measurement using Rinntech RESISTOGRAPH for samples at different moisture levels. This paper also includes building survey of roof truss of Litomyšl‘s library and structural report of rafter.
63

Kontrola provádění železobetonových konstrukcí / Inspection of the implementation of reinforced concrete structures

Juráň, David January 2022 (has links)
This diploma thesis deals with the control of the implementation of reinforced concrete structures. The theoretical part deals with the issues of this theme. There are presented individual work processes of the implementation of reinforced concrete structures, accesses of valid standards, used diagnostic methods and also inspection and test plans for cast-in-place reinforced concrete structure. The practical part is divided into three chapters. The first chapter applies with the most frequent defects in new reinforced concrete structures and two remaining chapters with the inspection of newly built structures for which arose misgivings about the quality of execution.
64

Metodika hodnocení stavu dřeva pomocí měření mechanického odporu při zatlačování trnu / Procedure of assessment of the wood state by the wood mechanical resistance measuring within pushing a pin

Daňková, Kateřina January 2012 (has links)
The main aim of the thesis is to gain an overview of diagnostic methods used in surveys of wooden structures, comparing the results of experimental evaluation of state timber using diagnostic methods that are based on measurements of the mechanical resistance of the wood. Detailed constructional - technical survey of the truss of the historic building in Šardice is also the part of this thesis.
65

Průzkum a hodnocení dřevěného krovu historické budovy / Exploration and evaluation of historic timber roof of the building

Červený, Radek January 2012 (has links)
My dissertation is based on the appraisal of wooden roof construction in baroque church Nanebevzetí Panny Marie in Vranově nad Dyjí. The main reason of this appraisal was preserving the church´s interior which was newly reconstructed with high historical value. The dissertation includes also the rehabilitation solution. The appraisal was based on the research witch used sense and instrumental methods. In the first part were found out all size of each construction´s parts and was established the type of rafters´ systém. Then the research solved some impaired wooden parts and their reasons. For suitable rehabilitation solution was defined the transition between well and impaired part. The best rehabilitation solution is the construction solution by the conditions using further procedures, e.g. preventive chemical protection.

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