• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 52
  • 3
  • 1
  • 1
  • Tagged with
  • 57
  • 49
  • 39
  • 31
  • 20
  • 19
  • 19
  • 18
  • 18
  • 16
  • 11
  • 11
  • 10
  • 9
  • 9
  • 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.
1

Medium and higher molecular weight volatile thiols in aged cheddar cheese and their relation to flavor

Kleinhenz, Joseph Patrick 05 September 2003 (has links)
No description available.
2

Polyfunkční dům v Dobříši / Multifunctional Building in Dobříš

Čapek, Pavel January 2013 (has links)
The master´s thesis is focused on the design and preparation of project documentation of the polyfunctional house in Dobříš city. Polyfunctional house is a rectangular shape with dimensions of 16,12 x 26,12 m. The building has one underground and three floors, the last floor is the attic. Horizontal and vertical structural system is BS Klatovy, the roof is gabled with a skylights.
3

Applications of surface ligand design to flotation

Rio Echevarria, Iria M. January 2007 (has links)
This thesis involves the design, synthesis and testing of organic hydrophobic ligands. They would act as co-collectors in froth flotation processes to enhance the recovery of sulfidic minerals which have undergone some oxidation on processing and are not efficiently collected by the commercial reagents used in froth flotation. Strong and selective binding to iron(III) oxide/hydroxide surfaces, e.g. goethite, over unwanted silicaceous material was considered essential criteria for such new cocollectors. A general overview of froth flotation processes is given in Chapter 1 as well as a description of the analytical techniques used in this thesis and the features that the ligands must have to act as co-collectors. On the basis of the strong binding to iron(III) surfaces of the organic ligand Irgacor 419®, used commercially as a corrosion inhibitor for iron, this compound was studied as a potential co-collector. Adsorption isotherms were determined by UV-Vis spectroscopy for two carboxylic acids that may also bind strongly to goethite, the results of which are discussed in Chapter 2. Chapter 3 involves the measurement of the strength of binding of one the most widely used type of collectors for sulfide ores, potassium ethyl xanthate. Complications in the analysis of materials in solution by both ICP-OES and UV-Vis spectroscopy arose due to the instability of potassium ethyl xanthate in solution, making determination and interpretation of isotherms difficult. The determination of adsorption isotherms for 2-mercaptobenzothiazole, which showed weak binding to goethite as well as to silica, and the mode of binding of 2-mercaptobenzothiazole on copper(I) surfaces is reported in Chapter 4. A crystal structure was obtained in which four units of 2-mercaptobenzothiazole bridge two nickel atoms through the nitrogen atom and the exocyclic sulfur and is considered as a model for binding to sulfidic minerals. Chapter 5 looks at the strength of binding to goethite and silica of various hydroxamic acids. Benzohydroxamic acid was initially selected for study since hydroxamates are known to act as collectors for oxidized materials. Unpredictably, benzohydroxamic acid showed strong binding to a goethite surface and did not release any iron from the surface into solution, which would have been predicted due to its known strong chelating abilities to iron(III). The X-ray structure determination of the first example of a dinuclear Fe(III) hydroxamate complex showed this to have -oxo bridge formed by the hydroxamate unit and supports multisite attachment between this ligand and the surface, as suggested by adsoption isotherms. Simple models based on this dinucleating motif provide plausible modes of multisite attachment to a goethite surface. Competitive binding studies provided a way of ranking the ability to bind to goethite of acetohydroxamic acid, which was not suitable for analyses by either ICP-OES or UV-Vis spectroscopy. Of the ligands studied in this chapter acetohydroxamic acid was found to bind most strongly to goethite followed by benzohydroxamic acid. In Chapter 6, the attachment to goethite and silica of a series of phosphonic acids is investigated. All show a very high binding strength to goethite. Froth flotation experiments at a laboratory scale are described in Chapter 7. The types of ligand that showed strong binding to goethite in adsorption isotherms experiments were tested as co-collectors in different ores and conditions. There is not a simple correlation between adsorption isotherm data and flotation performance as co-collectors because other factors, besides strength of binding, affect the system. Benzohydroxamic acid was the ligand that increased the grade/recovery of the process in all the cases studied. Irgacor 419® enhances the grade/recovery curve for Palabora ore and phenyl malonic acid for Kennecott ore. These results support the original proposition that it may be possible to increase the recovery of oxidized particles substantially by using a blend of collectors which includes a compound to target the oxidized sites.
4

Synthesis and characterization of polyfunctional diacetylenes

Nezu, Shinji. January 1992 (has links)
No description available.
5

Polyfunkční dům / Polyfunctional building

Chocholouš, Lukáš January 2013 (has links)
In Master´s thesis I evolved a projected documentation of newly designed building ofthe polyfunctional house. The project is completed as a professional docummentation for the planning permission. This suggested conception respects valid standards and announcements (organization of the stability and area, orientation to cardinal points, fire safety of the building, noise protection, energy saving demands etc).
6

Nové polyfunkční využití výrobního objektu Vlněny v Brně / New Multifunctional Use of Manufacturing Facility of Former Vlněna Factory in Brno

Závorka, Martin January 2013 (has links)
The aim of the project is reconversion design of the chosen group of objects in former textile factory Vlnena into polůyfunctional house; and also to strenghten the genius loci of this site. Main theme of the work will be finding new functional use, as well as appropriate service and disposition solution of the polyfunctional object. This area was used by industry for more than 150 years. Before establishing the two of the most concerns, there were plenty of small manufactures. The overal stagnation of the textile industry in Brno has resulted in moral and technical degradation and its transformation into the „brownfield“.
7

Městský polyfunkční dům na ulici Křížová, Brno / Multipurpose Town House on Křížová Street, Brno

Ferenc, Jonáš January 2011 (has links)
The object of this thesis is a design of a polyfunctional house on Křížová street, Brno, Czech Republic. The design follows up the previously proposed reconstruction of Mendel square (and its change from a solely transit area to a target area), which is a prerequisite for this project. The city house has shops and commercial spaces on the ground floor, offices on the second floor, traditional flats on the third floor, while the fourth and five floors offer alternative housing in the form of “roof houses”, which combine the advantages of both having a family house and living in an urban environment. There are underground garages below the building, a hotel inside of it and a multipurpose hall in the courtyard.
8

Městský polyfunkční dům na ulici Křížová, Brno / Multipurpose Town House on Křížová Street, Brno

Ferenc, Kryštof January 2011 (has links)
The goal if this thesis is to design a house built in a city. This fact has influenced both the choice of the building's functions and its layout. The house on Křížová street, Brno, Czech Republic, has been designed to fit in the city and to shape its environment – both the street and the block's inner courtyard. The focus of the building is to help creating a pleasant urban space, while at the same time allowing for a maximal comfort of its flats and other spaces. In functional terms, the house is a combination of commercial spaces on the ground floor, and of flats and offices on the higher floors. The housing was designed to be variable and to offer a wide scale of standards.
9

PROSTOROVÁ KULTIVACE KOLÁČKOVA NÁMĚSTÍ VE SLAVKOVĚ / SPATIAL CULTIVATION KOLÁČEK SQUARE IN SLAVKOV (AUSTERLITZ)

Brázdová, Dana January 2014 (has links)
The project seeks to return the importance Koláčkova square within the town. Modifying a own recovery gives the required city-forming element. Also, the function of the new buildings will increase usage of center. Information center, library, reading room, cafe and rooms for rent and housing for people over 50 years of creating polyfunctional buildings. Suitably elected ratio of built and unbuilt space adds the square of appropriate scale.
10

Novostavba polyfunkčního domu v Brně - Líšni / 44/5000 The newly built multipurpose building in Brno - Lisen

Vejmělek, Lukáš January 2018 (has links)
This diploma thesis deals with the project documentation of the new building of a polyfunctional building, located in the Brno-Líšeň district, specifically on the street Zikova with plot no. 8362/6. The polyfunctional building is L-shaped and has a basement floor, the shorter part of the letter L has one above-ground floor, the longer part of the letter L has three above-ground floors. The stop of the building is designed as a flat, vegetation roof. Individual floors are accessible from two stair towers with elevator shafts located to the left and right. The diploma thesis contains all mandatory elements and the building itself is designed in accordance with the town plan of the city of brno with all valid laws and other legal regulations and valid czech state standards. Drawing documentation is processed in AutoCAD.

Page generated in 0.0565 seconds