National Repository of Grey Literature 25,555 records found  beginprevious25546 - 25555  jump to record: Search took 0.85 seconds. 

Environmental aspects of energy crops growing - production of CO2eq
HOVORKOVÁ, Sandra
The task of the thesis: " Environmental aspects of growing energy crops - production CO2 eq " is processed agricultural engineering literature review summarizing selected cultivation of energy plants ( Reed canary grass - Phalaris arundinacea ) and its growing impact on the environment with a focus on the production of carbon dioxide (CO2). The content of their work is to create a framework for calculating emission load growing canary rákosovité in terms of CO2 in the SIMA - PRO.

název v anglickém jazyce není uveden
Křenová, Martina ; Pelclová, Daniela (advisor) ; Černá, Milena (referee) ; Benešová, Veronika (referee)
The aim of our study was to evaluate the severity of hepatic and kidney damage retrospectively in the years between 2000 and 2004 with a focus on their reversibility, and to analyse the prognostic factors following Amanita phalloides (Am. ph., mainly hepatotoxic agent) and ethylene glycol (EG, nephrotoxic liquid) based on the calls made to the Czech Toxicological Information Centre and analyses made by toxicological laboratories. Analysis relied on data from medical records. A variety of clinical and laboratory parameters were collected. Fisher's test, Student's t-test and the calculation of linear correlation coefficients were used for statistical analysis. Twenty-four of 206 case-patients with EG intoxication were children. Fifty of 158 adult patients who survived, developed signs of nephrotoxicity. In 19 patients renal function normalized up to one month following the intoxication. Total 21 patients were followed-up as out-patients. Renal function completely recovered in 13 patients during 6 months and in three patients during 8-24 moths following the intoxication. The serum creatinine level was only mild elevated (119 |imol/l) in other two patients. However, their follow-up finished. In three patients renal damage persisted, serum creatinine level 138-200 (imol/1, in 19-26 months after discharge from...

Determination of Nefopam by the Technique of Sequential Injection Analysis with Chemiluminescence Detection
Štěpánková, Lucie ; Pospíšilová, Marie (referee) ; Polášek, Miroslav (advisor)
1.1 Abstrakt A simple and rapid automated method for the assay of nefopam hydrochloride by sequential injection analysis (SIA) with chemiluminescence detection was devised and optimised. The optimised parameters were aspirated volumes of the nefopam hydrochloride sample and reagents, flow rate, composition of the carrier stream, the photomultiplier voltage and the influence of materials used in the production of tablets. Optimum sample volume was 60 μl and the optimum reagent concentrations (and aspirated volumes) were - 10 mM Ce(IV) ammonium sulphate in 50 mM sulphuric acid (40 μl), 3 mM tris(2,2'-bipyridyl)dichlororuthenium(II)hexahydrate in 50 mM sulphuric acid (59 μl) and 7 mM sodium acetate (34 μl). The optimum flow rate in the system was 64 μl/s and that for transporting the luminescent zone to the detector was 78 μl/s. The photomultiplier voltage was 280 V. The carrier stream was ultrapure water. The calibration curve was rectilinear in the range 5.10-7 - 1.10-5 µmol/l of nefopam hydrochloride. The parameters of the calibration curve y = kx + q (where y is the intensity of chemiluminescence in nA and x stands for the concentration of nefopam hydrochloride in µmol/l) were calculated by the linear regression method. The slope k was 22.398 and the intercept q was 0.7161. The correlation coefficient was...

Determination of biologically active substances by sequential injection analysis with chemiluminescence detection.
Štěpánková, Lucie ; Polášek, Miroslav (advisor) ; Sklenářová, Hana (referee)
1.1 Abstrakt A simple and rapid automated method for the assay of norepinephrine by sequential injection analysis (SIA) with chemiluminescence detection was devised and optimised. The optimised parameters were aspirated volumes of the norepinephrine bitartrate sample and reagents, flow rate, composition of the carrier stream and the photomultiplier voltage. Optimum sample volume was 80 μl and the optimum reagent concentrations (and aspirated volumes) were - 25 mM sodium polyphosphate (44 μl), 0,1 M sulphuric acid (24 μl) and 1 mM potassium permanganate (21 μl)., The optimum flow rate (for pushing the luminescent zone to the detector) was 91 μl/s and the photomultiplier voltage was 450 V. The carrier stream was ultrapure water. The calibration curve was rectilinear in the range 1 - 40 µmol/l of norepinephrine bitartrate. The parameters of the calibration curve y = kx + q (where y is the intensity of chemiluminescence in nA and x stands for the concentration of norepinephrine bitartrate in µmol/l) were calculated by the linear regression method. The slope k was 33.923 and the intercept q was 34.839. The correlation coefficient was 0.9997. The relative standard deviations were 2.78 or 1.18 % (n = 10) when determining 4.75 or 18.98 µmol/l norepinephrine bitartrate in pure standard solutions respectively. The...

Business plan
Koucká, Hana ; Krause, Josef (advisor) ; Horník, Tomáš (referee)
The aim of the thesis was to create the business plan of a newly rising travel agency. The Theoretical part targets the basic conceptions related to the issue. It contains the definition of a business plan and it mentions who its users are and which form and appurtenances should the correct business plan have. The Practical part includes the concrete business plan of the new travel agency. It includes the explication, if its foundation in future is feasible and if the calculation of the capital intensity of the project is realistic.

Hydrogen production from renewable sources
Balko, Michal ; Kropáč, Jiří (referee) ; Houdková, Lucie (advisor)
The goal of this bachelor's thesis is to make a summary of actual hydrogen production possibilities both from fossil fuels and from renewable sources. First part deals with production by steam reforming of natural gas and water electrolysis. Next comes the production from biomass by photofermentation and fermentation. Attention is paid especially to input materials and process conditions. In the end chosen processes of production are compared by their energy intensity found out by simplified calculation.

Shortwave diathermy
Faltýnková, Květoslava ; Hejč, Jakub (referee) ; Kolářová, Jana (advisor)
Bachelor thesis deals with high-frequency heating of tissues and the influence of electromagnetic fields on living tissue. Describes the capacitive and inductive method, which are compared by calculating. The goal is to create an application for simulation of vysokofrekvečního heating of tissues in MATLAB. The application includes four models. The output of the work are simulated waveforms of the intensities and heats the tissues.

Measurement of heat transfer coefficient using termoanemometry methods
Dančová, Petra ; Sitek, P. ; Vít, T.
This work deals with a measurement of heat transfer from a heated flat plate on which a synthetic jet impacts perpendicularly. Measurement of a heat transfer coefficient (HTC) is carried out using the hot wire anemometry method with glue film probe Dantec 55M47. The paper brings also results of velocity profiles measurements and turbulence intensity calculations.

Network Optimization of Transfusion Sites in the Czech Republic
Konderlová, Nicolle ; Lešetický, Ondřej (advisor) ; Svěráková, Veronika (referee)
This thesis is about medical transfusion sphere, which has nowadays many deficits - as the other spheres in medical industry. Target of this thesis is a proposal of new equipment structure in transfusion service in the Czech Republic, which will be more effective then the existing one and which occurs a reduction of blood processing department. It includes not only calculation of basic expenses needed for installation new system and ensure operations for 5 years and comparison of both variants, but it includes also proposal of centralized managing and changes of staff secure of production process.

The comparison of erosion intensity by different types of fodder crops and technology of cultivation
JIRSOVÁ, Monika
This thesis deals with division, growing and importance of various types of forage crops in relation to the erosion threat of soils in the Czech Republic. The first part focuses on the evaluation of the causes and course of degradation of soils in the present and the subsequent development of land in terms of expected climate change. The most serious degradation factors include pedocompaction, dehumification, occupation of land, poor infiltration, water and wind erosion. Only on account of water erosion, 42% of agricultural land in the Czech Republic is at risk. In another part of the thesis the importance of various species of legumes, permanent grassland, wide rowed crops and their impact on soil erosion hazard is given. Last but not least, the work summarizes the organizational, technical and agro-technical erosion control measures. They are characterized by the possibility of their use, effectiveness and ambitiousness.