Academic literature on the topic 'Adhezní'

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Journal articles on the topic "Adhezní"

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Stoulil, J., A. Kopecká, and P. Fišerová. "Adheze akrylátových laků k historickým kovovým materiálům / Adhesion of acrylate varnishes to historical metallic materials." Koroze a ochrana materialu 58, no. 3 (November 1, 2014): 71–74. http://dx.doi.org/10.2478/kom-2014-0012.

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Práce byla zaměřena na hodnocení dvou typů akrylátových laků (Paraloid B72 a B48N) z hlediska adheze k historickým kovovým materiálům. Třívrstvé povlaky byly hodnoceny pomocí odtrhového testu, scratch testu a T-bend testu. Část vzorků byla exponována 500 hodin v kondenzační komoře a následně znovu hodnocena pomocí odtrhového testu. Náchylnost rozhraní povlak/kov k hydrataci bylo ověřeno pomocí impedančních měření. Za suchých podmínek nebyl potvrzen předpoklad vyšší adheze laku B48N k podkladu než u laku B72. Lak B48N ale vykázal podstatně vyšší odolnost k hydrataci. Laky mají nejvyšší adhezi k oceli a olovu, naopak nejnižší k zinku, cínu a měděné patině.
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Dąbrowski, Wojciech. "Badania metalograficzne adhezji powłoki ochronnej na żeliwnych rurach wodociągowych." GAZ, WODA I TECHNIKA SANITARNA 1, no. 9 (September 5, 2018): 20–24. http://dx.doi.org/10.15199/17.2018.9.4.

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Horubski, Krzysztof. "Prawne uwarunkowania wpływu wykonawców na treść umów o zamówienia publiczne." Prawo 329 (July 22, 2020): 545–57. http://dx.doi.org/10.19195/0524-4544.329.44.

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W artykule poruszono problematykę regulacji prawa zamówień publicznych mających szczególne znaczenie dla zagadnienia możliwości wpływania przez wykonawców na treść umów o zamówienia publiczne. Ukazano brak zasadności utożsamiania takich umów z umowami adhezyj-nymi. Wśród prawnych uwarunkowań wpływu wykonawców na treść umów o zamówienia w szcze-gólności zwrócono uwagę na zasadę ochrony konkurencji, korzystanie z pozacenowych kryteriów oceny ofert, a także występowanie w poszczególnych trybach udzielania zamówień publicznych elementów negocjacyjnych.
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Babiak, Michał, Maria Ratajczak, and Jacek Kosno. "Regeneracja bitumicznych nawierzchni drogowych modyfikatorami otrzymywanymi z surowców ekologicznych." Budownictwo i Architektura 15, no. 4 (December 1, 2016): 117–26. http://dx.doi.org/10.24358/bud-arch_16_154_12.

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Wykorzystanie granulatu asfaltowego do produkcji mieszanek mineralno-asfaltowych jest technologią powszechnie znaną i stosowaną na szeroką skalę w wielu krajach Unii Europejskiej. Prym w tej dziedzinie wiodą Holendrzy, Niemcy i Duńczycy. W Polsce regulacje prawne umożliwiają stosowanie w mieszankach mineralno-asfaltowych dodatek granulatu asfaltowego w ilości do 30%. Wprowadzenie uniwersalnego dodatku do destruktu asfaltowego, który poprzez zmianę parametrów reologicznych lepiszczy, zwiększy jego adhezje, umożliwi zastosowanie zwiększonej ilości granulatu asfaltowego w mieszance mineralno-asfaltowej.
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GANCARZ, IRENA, and JACEK PIGLOWSKI. "Studies on adhesion of polyamide 6 to microwave-plasma-modified polypropylene." Polimery 46, no. 09 (September 2001): 622–30. http://dx.doi.org/10.14314/polimery.2001.622.

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OĞUZTÜRK, Hakan, Özlem Aycan KAYA, M. Gökhan TURTAY, and Metin ATAMBAY. "Cyclospora Oocysts and Entamoeba histolytica Adhesin Antigen Positivity in a Patient with Diarrhea: Case Report." Turkiye Klinikleri Journal of Medical Sciences 32, no. 1 (2012): 252–54. http://dx.doi.org/10.5336/medsci.2010-17173.

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Białek-Kostecka, Dorota, Anna Forczek-Sajdak, Zofia Kaszowska, Marcin Kot, and Michał Wojucki. "Ocena zabiegu utrwalania malowideł ściennych na podstawie badań właściwości mechanicznych warstw malarskich." Inżynieria Powierzchni 24, no. 1 (April 16, 2019): 35–45. http://dx.doi.org/10.5604/01.3001.0013.1492.

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Artykuł opisuje jeden z podstawowych zabiegów konserwatorskich, tj. utrwalanie malowideł ściennych, zwane również konsolidacją warstw malarskich. W polskiej praktyce konserwatorskiej zabieg wykonywany niemal rutynowo przy użyciu różnych środków klejących. Prawie trzy czwarte z przeanalizowanych przypadków dotyczy zastosowania żywic syntetycznych w postaci roztworów o niskich stężeniach lub dyspersji. Przeprowadzono badania mające na celu określenie ich wpływu na istotne właściwości mechaniczne warstwy malarskiej takie jak: twardość, moduł Younga, kohezja, adhezja do podłoża, a także ścieralność. Zastosowano nowoczesne techniki mikroindentacji instrumentalnej oraz tradycyjną metodę przecierania powłoki za pomocą strumienia materiału ściernego. Do badań wytypowano trzy techniki malarskie powszechne wśród zabytkowych malowideł ściennych w Polsce: wapienną, kazeiny wapiennej i klejową, a także pięć gotowych preparatów, najczęściej wykorzystywanych przez polskie środowisko konserwatorskie w 2 poł. XX w.
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Niezgoda, Adam. "Cell adhesion molecules and their possible role in the pathology of the peripheral nerves – a review of the literature." Family Medicine & Primary Care Review 4 (2015): 323–26. http://dx.doi.org/10.5114/fmpcr/60394.

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Čejková, Soňa, Ivana Králová Lesná, and Rudolf Poledne. "Monocyte adhesion to the endothelium is an initial stage of atherosclerosis development." Cor et Vasa 58, no. 4 (August 1, 2016): e419-e425. http://dx.doi.org/10.1016/j.crvasa.2015.08.002.

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Suta, Péter, Ildikó Márton, Etelka D. Tóth, and Renáta Martos. "Sterilizálási lehetőségek a fogászatban. Rugalmas anyagok csírátlanításának korlátai egy eset kapcsán." Orvosi Hetilap 161, no. 3 (January 2020): 110–15. http://dx.doi.org/10.1556/650.2020.31569.

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Absztrakt: A mindennapi fogászati praxisban igen fontos a sterilitás. Az egyes eszközök és anyagok csírátlanítása azonban eltérő módszereket igényel. A hőérzékeny és rugalmas, elasztikus anyagok esetén a legelterjedtebb sterilizálási módok azért nem használhatók, mert alacsonyabb hőmérsékletű sterilizálás szükséges, hogy ne veszítsék el eredeti fizikai tulajdonságaikat. Ezen anyagok közé tartozik a kofferdam lepedő is, mely rugalmasságától megfosztva alkalmatlanná válik izolálási feladatának ellátására a fogmegtartó kezelések során. Gumilepedő csírátlanítására ritkán kerül sor, bizonyos esetek megoldása azonban megkívánhatja azt. Ilyen szituációban a fogorvosnak viszonylag limitált, sokszor nehezen elérhető eszköztárból kell választania. Közleményünk sorra veszi a sterilizálóeljárásokat, különös figyelmet szentelve a plazmasterilizálásnak, illetve a hidrogén-peroxid-gázt használó eljárásoknak. Esetbemutatásunkban egy kiterjedt, a fog koronai és gyökéri területét is érintő ínyszél alá terjedő fraktúra ellátása során az adhezív technika alkalmazhatóságát hidrogén-peroxid-gázt használó készülékben sterilizált kofferdam lepedő felhelyezésével biztosítottuk. Orv Hetil. 2020; 161(3): 110–115.
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Dissertations / Theses on the topic "Adhezní"

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Candráková, Simona. "Adhezní vlastnosti semi-IPN hydrogelů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-433088.

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This Diploma thesis deals with optimization of the hydrogel preparation with various additions of substances affecting adhesion, studying the adhesion of prepared hydrogel systems and modifying their adhesion properties. Prepared hydrogels were agarose, alginate and gellan polymer systems with additions of acrylic acid, acrylamide, calcium chloride and Tween 20. The experimental part of the diploma thesis focuses first on optimizing the preparation of individual hydrogels, from which, according to certain criteria, suitable representatives were selected to study adhesion and its controlled modification. Agarose and gellan hydrogels were selected as suitable representatives, which were then used in rheological measurements. Based on these measurements, the effect of the adhesive force and the adhesive work of individual materials was evaluated. It was found that the best adhesion properties of the materials used are unadjusted hydrogels, in the case of hydrogels with the addition of another substance, a negative effect on adhesion was observed, when the adhesion force was reduced and also the adhesion work was reduced.
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Jandásek, Martin. "Dynamicky vyvážený rezonanční adhezní tester." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-399347.

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This diploma thesis is dedicated to the development of mobile resonance-adhesion tester TriTec. The aim of this thesis is to improve the parameters of the tester in comparison to the previous version of tester, especially to minimize the vibrations of the tester while running without load, and to the make long-distance transportation of tester easier. The first part of thesis was aimed on history of development of TriTec tester, causes of it´s problems and on analysis of vibration minimization possibilities. As a best solution is considered a rotational balance mechanism, which was designed in next part of thesis. After that a new front wheel drive and an user interface conception were designed. The modified tester reaches all the deserved parameters and is able to compete static resonance-adhesion testers by it´s lower price and high mobility.
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Janová, Petra. "Adhezní spolupůsobení lepidla s konstrukčním dřevem." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409760.

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This labor is based on penetration of adhesives into a wood cell walls. It focuses mainly on adhesives that are currently used for construction purposes. It also contains a methodics of selecting adhesives and wood, which will be used for glued joints and summarizes the methods used for detect these adhesives in the wood cell wall. It experimentally verifies the appropriate selection of the dye-solvent combination used in the adhesive.
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Švestková, Dana. "Vliv adhezní mezivrstvy na lomově-mechanické chování kompozitu PP + anorganické plnivo." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2011. http://www.nusl.cz/ntk/nusl-216785.

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The diploma thesis was dealt with the study of system PP and particular filler, specifically PPH and like a filler was used commercially available CaCO3 (SOCAL P3). This type of filler is declared by the producer as a filler without surface treatment. The submitted thesis had a goal to find and testing the suitable method and methodology for defined surface treatment of the filler. This is the first step for systematic study of influence the various types of adhesive layer on mechanical properties of declared composite. The plasma discharge behind static pressure was used for the surface treatment of the fillers. These fillers were afterwards analyzed by using of sedimentation analysis, infra - red spectroscopy (FT-IR) and scan electron microscopy (SEM). The composites with various volume part of the fillers were prepared in PIB and studied by short-time tests. Regarding to experimental demand there wasn't possible to realize the whole originally intended program i. e. study of influence the different types of adhesive layer, including to form the model for FEM approach. Nevertheless finding and testing the suitable method of surface treatment is completely basic for the others study. The above mentioned method was used in this application for the first time and it is possible to consider this process like an original approach.
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Dombková, Julie. "Cílená příprava kompozitu na bázi PP + anorganické mikro resp. nano anorganické plnivo s různou adhezní mezivrstvou." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2012. http://www.nusl.cz/ntk/nusl-216822.

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The diploma thesis studies composite of PP and filler particle. As a particle filler was used commercially available CaCO3 (SOCAL 31). The submitted thesis had a goal to find new approaches and technologies of filler surface treatment in order to improve properties of composite materials. The plasma discharge behind static pressure was used for the surface treatment of the fillers. These fillers were afterwards analyzed by using of sedimentation analysis, turbidimetry, infra-red spectroscopy (FT-IR), X-ray diffraction analysis (XRD), scan electron microscopy (SEM), transmission electron microscopy and particle size distribution by laser diffraction. The composites with various volume parts of the fillers were prepared in PIB and studied by short-time tests. Furthermore, the influence of an adhesive layer on fracture mechanical properties of prepared composite was study. Regarding to experimental demand, there was not possible to realize long-term mechanical properties.
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Janošík, Petr. "Mechanické vlastnosti biokompozitů." Master's thesis, Česká zemědělská univerzita v Praze, 2016. http://www.nusl.cz/ntk/nusl-258114.

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Goal of this diploma thesis was to describe mechanical properties of epoxy resins containing organical fibers and to experimentally evaluate the effect of the fiber length with various concentrations on final mechanical property of composit material. First part of the diploma thesis is dedicated to literature review which describes general properties of fiber composites, materials which they are made of, and mechanical trials. In chapter called Methodics, materials used for experimental research are described. Process of sample preparation and mechanical trials, which were used for the test, are also described there. Last part of the diploma thesis is dedicated to evaluation of results of executed mechanical trials on composites with fiber support of various lengths and concentrations
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Machatka, Martin. "Experimentální výzkum pískování v kontaktu kola a kolejnice." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231057.

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Presented master's thesis is focused on the experimental research of the sanding parameters in order to improve adhesion in the contact between wheel and rail. Sanding is the application of the sanding material directly in the wheel/rail contact. It is still common, most effective and traditional way how to deal with low adhesion problem, which is mainly caused by environmental contaminants. Research is important for the better understanding of the sanding process and also provides data, which are necessary for it's optimization and efficiency improvement. Newly developed twin-disc machine was used to carry out the presented experimental research. The influence of common contaminants on the adhesion is investigated, considering various operating parameters. Different amount of the applied sand is used to increase adhesion in the contaminated contact at various slip and rolling speed. Results show, that there is the amount of the sand, from which no significant adhesion increase occur. Obtained findings and the results presented in this thesis will be used to optimize sanding system, which will contribute to reduce cost associated with sanding and low adhesion.
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Novák, Petr. "Mobilní tester závěsu automobilového kola." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254403.

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This diploma thesis deals with the constructional design, followed by the manufacturing of the tester for non-invasive diagnostics of cars shock absorbers. It is a resonant adhesive tester with 3 mm lift of measuring platform, in contrast with standardly manufactured testers with 6 mm lift. By reducing lift of measuring platform is eliminated failure of EUSAMA methodology for problematic vehicles. In the thesis are also included verifications of tester function and comparative measurements with standardly manufactured tester.
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Nečasová, Barbora. "Adheze lepených spojů fasádních obkladů z materiálů na bázi dřeva." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-401594.

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The presented dissertation thesis is focused on investigating the adhesive properties of façade cladding made of wood and wood-based materials in combination with flexible adhesion/assembly systems. The systems allow the implementation of effective construction joints and provide a solution with uniform stress distribution which allows the transfer of heavy loads, while simultaneously reducing the weight of the entire structure, which is also often connected with substantial cost reductions. Despite all that, little attention has been paid to this area so far. It is not a solution which is properly embodied in technical standards or in designers´, architects´ and contractors´ awarenesses. The aim of this dissertation is to characterise adhesive properties of selected façade cladding representatives made of wood and wood-based materials for the purposes of bonded joint application in a ventilated façade system. To define adhesion of façade joints, numerical and experimental methods are used, taking also various limit conditions into account. The main conclusion of the dissertation is the characterisation of basic parameters which influence adhesion, effectiveness and quality of façade glued joints. The secondary conclusion is the compilation of a simple methodical procedure for testing and implementing façade glued joints. The dissertation also makes a contribution by extending the current state of knowledge of façade adhesive joints.
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Gabriel, Tomáš. "Konstrukce zkušebního zařízení pro testování adheze a hluku v kontaktu kola a kolejnice." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417765.

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This master’s thesis is dedicated to the design of an experimental rig that allows investigation of causes for noise during tram’s passing of a track curve and the developement of means to mitigate this noise. The opening section of this thesis contains theoretical background for the tribological mechanics of wheel-rail contact with emphasis on the process of noise generation, followed by an overview of laboratory tst rigs with similar purpose. Design itself is centered around the implementation of the dynamic model of wheel-rail contact using real tram wheel. Resulting test rig allows measurement of the adhesion characteristic in tangential and lateral directions and recording of the generated noise while an angle of attack is set.
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Books on the topic "Adhezní"

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Senkara, Jacek. Sterowanie energią adhezji pomiędzy molibdenem i wolframem a ciekłymi metalami w procesach spajania. Warszawa: Wydawnictwa Politechniki Warszawskiej, 1993.

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Book chapters on the topic "Adhezní"

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Krysiński, Paweł. "Praca adhezji – pomiar kąta zwilżania ." In Fizykochemiczne metody badawcze w nano- i biotechnologii. Podstawy teoretyczne i ćwiczenia praktyczne. Warsaw University Press, 2015. http://dx.doi.org/10.31338/uw.9788323518945.pp.98-114.

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