National Repository of Grey Literature 33 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Benefits of the Acetabular Microfracture Technique in Arthroscopic Treatment of Chondral Defects in Femoroacetabular Impingement Syndrome: Two-year Results of a Multicenter Prospective Randomized Study
Rafi, Moheb ; Zeman, Petr (advisor) ; Paša, Libor (referee) ; Pilný, Jaroslav (referee)
1 ABSTRACT Benefits of the Acetabular Microfracture Technique in Arthroscopic Treatment of Chondral Defects in Femoroacetabular Impingement Syndrome - Two-year(s)? Results of a Multicenter Prospective Randomized Study. Purpose of the study Two-year clinical results of a multicenter prospective randomized study in patients with arthroscopically treated Femoroacetabular Impingement syndrome and concurrently performed microfracture for grade IV chondral lesions of the acetabulum. Material and methods The study evaluated a group of 55 patients of the originally enrolled 92 patients with the underlying diagnosis of FAI syndrome with intraoperatively confirmed grade IV acetabular chondropathy of up to 4 cm2 in size, who had undergone a comprehensive hip arthroscopy (correction of structural cam-type and/or pincer-type deformity, labral refixation or partial labral resection etc.) performed by two experienced surgeons. The patients were randomized intraoperatively using a closed envelope method into two groups. In group 1 (31 patients), microfractures for chondral defects was performed, while in group 2 the patients underwent a defect debridement procedure only. The studied group included a total of 7 professional and 48 recreational athletes (33 men and 22 women), with the mean age of 34.4 in group 1 and 31.1 in...
Criminological Aspects of Drug-Related Crime
Cieslar, Tomáš ; Zeman, Petr (advisor) ; Bohuslav, Lukáš (referee)
This thesis deals with selected issues of criminological aspects of primary drug-related crime conducted in the Czech Republic, focusing mainly on the criminal offence of unauthorised production and other disposal with narcotic and psychotropic substances and poisons under section 283 of the Czech Criminal Code. The theoretical part of the thesis describes drug- related crime in general, it also discusses the Czech legislation regarding drug-related criminal offences in the Criminal Code, and it also focuses on theoretical approaches regarding the sentencing of drug-related crime. The empirical part features a quantitative analysis of a selected representative sample of 300 Czech court decisions enunciated in 2015 and 2016. This analysis addresses the trends of conducting drug-related crime and the sentences imposed by Czech courts. Attention is given to the differences in sentencing perpetrators disposing with different drugs, particularly cannabis and methamphetamine, and perpetrators conducting different prohibited activities related to the drugs (such as producing, retailing, etc). The analysis also focuses on using the institutes of imposing protective measures and adequate restrictions or duties.
Criminological Aspects of Drug-Related Crime
Spišák, Anton ; Zeman, Petr (advisor) ; Bohuslav, Lukáš (referee)
Criminological aspects of drug-related crime Abstract This master`s thesis deals with a number of criminological aspects and issues related to drug-related criminality, in particular with legislation that takes into account the specific impact of selected drugs. In this context the thesis analyzes the drugs` impact on secondary drug-related crime, the death rate and health of their users and additional negative social and economic consequences related to such drugs. Following the evaluation of these harmful effects the thesis proposes potential changes to policy on such drugs and compares it to policies of foreign countries on individual drugs. These changes consist of various proposals including the decriminalization or legalization of certain means of handling of individual drugs. The thesis also examines national legislation currently in force related to selected individual drugs. Its conclusions are reached through a variety of researches and statistical data. The thesis consists of eight chapters which are preceded by a brief introduction to the selected topic. The first chapter lays out basic terminology used in this thesis. The second chapter deals with historical cases of drug policies such as the Chinese policy on opium in 19th and 20th century or the prohibition in the United States between 1920...
Design of reciprocal module fixture for wear and friction measurements in tribometer
Zeman, Petr ; Šperka, Petr (referee) ; Dočkal, Kryštof (advisor)
The thesis deals with design of a clamping fixture for fastening surface samples for the reciprocating drive of the tribometer. The fixture is designed to compensate for shape deviations of the samples by tilting in two axes in a small range. The objective has been fulfilled, the tilting mechanism is achieved by rotating the spherical surface. The fixture is sufficiently rigid. It has been achieved of better user experience and repeatability of clamping. The paper contains an overview of commercially available clamping methods, their evaluation and description of the construction of the newly designed device, which simplifies the clamping of uniquely shaped samples for the reciprocating drive of the UMT TriboLab tribometer.
Design of reciprocal module fixture for wear and friction measurements in tribometer
Zeman, Petr ; Šperka, Petr (referee) ; Dočkal, Kryštof (advisor)
The thesis deals with design of a clamping fixture for fastening surface samples for the reciprocating drive of the tribometer. The fixture is designed to compensate for shape deviations of the samples by tilting in two axes in a small range. The objective has been fulfilled, the tilting mechanism is achieved by rotating the spherical surface. The fixture is sufficiently rigid. It has been achieved of better user experience and repeatability of clamping. The paper contains an overview of commercially available clamping methods, their evaluation and description of the construction of the newly designed device, which simplifies the clamping of uniquely shaped samples for the reciprocating drive of the UMT TriboLab tribometer.
Design of an optimized multicopter propeller
Zeman, Petr ; Matějů, Jiří (referee) ; Dvořák, Petr (advisor)
Výdrž a účinnost multicopterů jsou z velké části ovlivněny výběrem pohonného systému, zejména pak vrtulí. Avšak u malých bezpilotních prostředků, které většinu času stráví ve visu (např. multicoptery), pracují vrtule při nízkých Reynoldsových číslech, případně i v režimu odtržení. Tyto problémy a efekty spojené s rotací jsou řešeny pomocí korekcí aerodynamických koeficientů a aplikovány na vírovou teorii. Tento přístup vede k významnému zvýšení přesnosti výpočtu leteckých vrtulí. Nicméně pro nulovou rychlost nabíhajícího proudu mají tyto korekce tendenci nadhodnocovat hodnoty tahu vrtule. Pro snížení výpočetní náročnosti a času nezbytného k získání potřebných aerodynamických vlastností pro různá Reynoldsova a Machova čísla jsou použity neuronové sítě. Celý proces je implementován do prostředí MATLAB (včetně grafického rozhraní, neuronových sítí a adaptivních algoritmů) a validován na pěti různých vrtulích k prokázání, že vypočtené výkony vrtulí se shodují s experimentálními daty. Variační počet byl vybrán jako metoda pro návrh optimalizované vrtule, jelikož s jeho využitím lze navrhnout vrtuli s maximálním tahem pro zadaný výkon. Pro ověření zvoleného přístupu byla navrhnuta optimalizovaná vrtule, jejíž koeficient tahu je vyšší než odpovídající vrtule, se kterou je srovnávána, při zachování stejné hodnoty koeficientu výkonu.
Criminological Aspects of Drug-Related Crime
Morávek, Petr ; Zeman, Petr (advisor) ; Bohuslav, Lukáš (referee)
Criminological Aspects of Drug-Related Crime ABSTRACT The thesis deals with the topic of criminological aspects of drug-related crime. Considering the breadth of the issue, it focuses only on the so-called primary drug-related crime, i.e. criminal activity consisting of violation of laws and regulations on the handling of narcotic drugs and psychotropic substances. The aim of the thesis is particularly to describe the situation and development of the primary drug-related crime in the territory of the Czech Republic and to summarize possible development trends in the following years, as well as to map the development of national and international legislation and assess its possible effects on the drug problem. Finally, based on empirical research, the thesis aims to characterize drug-related crime committed on the territory of the capital city of Prague for which the perpetrators were finally convicted in 2017. The first chapter of the thesis defines the terms relevant to the topic, especially with respect to applicable legislation. The second chapter outlines the development of the issues of drug abuse and distribution in the territory of the Czech Republic and the corresponding evolution of legislation, while the third chapter is dedicated to the current, particularly criminal legislation on the handling...
Criminological aspects of drug criminality
Pášová, Helena ; Zeman, Petr (advisor) ; Bohuslav, Lukáš (referee)
Criminological aspects of drug criminality Drug criminality is a big problem of current time and it concerns all of us regardless of sex, age or social status. The topic of drug criminality is very wide though. This diploma thesis focuses in more detail on the current and very dangerous phenomenon of drugs in transport. The main target of the thesis is to provide a comprehensive summary about the psychoactive drugs which are used by the drivers most frequently, to analyse in detail their properties and effects and to describe, which influence the particular types of psychoactive drugs have on the physical and mental state of driver and which changes in his behaviour these drugs cause. The thesis is divided into introduction, four main chapters and conclusion. The first chapter is focused on the explanation of some basic terms which are used in the thesis. The second chapter summarizes the historical development in using of psychoactive drugs in the world and in the area of our country. The Czech state experienced in the past a few fundamental turns, after that the situation in the society changed. With regard to these periods the passage about the history of using of psychoactive drugs in the area of our country is divided into three parts. In the third chapter are analysed in detail the particular...
The methodology of using digital tachograph data for forensic engineering purposes
Zeman, Petr ; Kledus, Robert (referee) ; Drahotský, Ivo (referee) ; Doupal, Emil (referee) ; Libertín, Josef (advisor)
Control authorities and experts in their practice come across digital tachographs. Digital data is an important source of relevant input data and informations needed for in depth road accident analysis. In practice, it is possible to encounter an existing negative phenomenon, an unauthorised access to and fraudulent manipulation of the tachograph´s data. False data has a major impact on the results of the accident investigation and analysis. Control authorities and experts should be prepared for such cases. This thesis describes the different types of manipulation of Digital Tachograph records and the ways of their detection. Tachograph manipulation is a nowaday issue. It is very important to deal with this problem. For the reasons mentioned above I have set up a Data Control Procedure Standard for control authorities and experts and drafted technical requirements for future generation of tachographs.
Criminological Aspects of the Drug-related Crime
Kuľhová, Lívia ; Zeman, Petr (advisor) ; Hořák, Jaromír (referee)
The subject of this thesis is the issue of criminological aspects of drug-related crime. This topic is considerably wide, therefore this thesis focuses on two specific aspects of this particular crime: the relationship between drug use and crime and the criminal careers of drug-addicted offenders. Since these two aspects are still being overlooked in the Czech Republic, the aim of this thesis is to introduce this issue using foreign literature and to complement it with my own research carried out within the Capital City of Prague. The first part of the thesis (Chapters 1 and 2) represents an introduction into the issue of drug-related crime. First, it explains basic notions that are essential to know for easy orientation within the thesis. Then, it discusses the history of drug abuse in the Czech Republic from 1918 until nowadays, and also complements current situation with an actual drug policy strategy. The second part of this thesis (Chapters 3 and 4) focuses on acquainting with the issue of the relationship between drug use and crime and the criminal careers. Using mostly foreign literature, it looks at these specific problems from two different perspectives: describing both the most famous theories and models and the most recent or well-known empirical researches. The last part of the thesis...

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23 ZEMAN, Petr
8 Zeman, Pavel
2 Zeman, Peter
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