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Influence of nutritional measures on ulcerative colitis
Guznar, Jan ; Meisnerová, Eva (advisor) ; Hrabák, Pavel (referee)
Diploma thesis The influence of nutritional measures on the course of ulcerative colitis deals with the influence of dietary habits on the course of ulcerative colitis (especially probiotic foods), namely impact on relapses of the disease. The theoretical part is divided into two parts. The first part describes ulcerative colitis, from definition to treatment. The second part deals with the intestinal microbiome and the factors that affect it, with an emphasis on the influence of food. The semi-structured interview method based on the questionnaire was used to elaborate the practical part. The research group consisted of respondents with ulcerative colitis who were in remission and relapse. A questionnaire was filled with respondents, which consisted of questions about the course of the disease and a frequency questionnaire targeting different groups of foods. The established eating habits were compared to each other among the respondents, given the frequency of relapse of their illnesses. Research has shown that only fermented dairy products are related to relapse rate and retention of remission. For foods that contain fiber that also modulates the intestinal microbe, the relationship between food consumption and relapse has not been proven. Also, the relationship between consumption of fatty...
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Estimation of Hopping Rates From Real Traffic Trajectories
Fajfrová, Lucie ; Hrabák, Pavel
Variety of hopping particle systems (ZRP, TASEP, MTP) have been investigated from the point of view of the traffic flow modelling. Such models are characterized by the local hopping rates determining the model dynamics. Several techniques of estimating appropriately the hopping rates from real traffic trajectories are introduced. Properties of corresponding models are discussed.
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Prediction of Pedestrian Movement During The Egress Situation
Hrabák, Pavel ; Ticháček, O.
The report summarizes the up-to-now progress in the application of the recursive estimation on the prediction of the pedestrian movement during the egress or evacuation situation. For these purposes a simple decision-making model has been introduced taking into account only the forward and sideways movement of pedestrians. Based on this model, a test simulation has been developed in order to test the applicability of the estimation tool to the stated decision-making model. Two main approaches of the decision process incorporated in the simulation are discussed and a modified version of the original model is presented. The report contains a manual to the used Matlab scripts and functions. The codes of needed m-files are incorporated as well.
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