Rozprawy doktorskie na temat „SCC”
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Lozano-Perez, Sergio. "TEM crack tip investigations of SCC". Thesis, University of Oxford, 2002. http://ora.ox.ac.uk/objects/uuid:7e503ff9-782a-4f74-b184-dddaa96e03e2.
Pełny tekst źródłaGajdoš, Jan. "Samozhutnitelné betony SCC pro monolitické konstrukce". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227748.
Pełny tekst źródłaLaurino, Adrien. "Intégration des alliages d'aluminium dans le câblage électrique automobile : procédés de mise en forme, microstructure et durabilité". Phd thesis, Toulouse, INPT, 2012. http://oatao.univ-toulouse.fr/7919/1/laurino.pdf.
Pełny tekst źródłaCordoba, Benoît. "Creep and shrinkage of self-consolidating concrete (SCC)". Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1317343151&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.
Pełny tekst źródłaRich, David. "On-site application of self-compacting concrete (SCC)". Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/17229.
Pełny tekst źródłaBulger, Jeffrey Thomas. "The effect of microstructure on near-neutral-pH SCC". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0006/MQ59785.pdf.
Pełny tekst źródłaLightfoot, James William. "The roles of SCC-2 during C. elegans meiosis". Thesis, University of Sheffield, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.554218.
Pełny tekst źródłaLi, Yuan. "Standardized physical property testing of self-consolidating concrete (SCC)". Laramie, Wyo. : University of Wyoming, 2008. http://proquest.umi.com/pqdweb?did=1679681111&sid=2&Fmt=2&clientId=18949&RQT=309&VName=PQD.
Pełny tekst źródłaDachelet, Darren O'Brien Schindler Anton K. "The effectiveness of self-consolidating concrete (SCC) for drilled shaft construction". Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SUMMER/Civil_Engineering/Thesis/Dachelet_Darren_26.pdf.
Pełny tekst źródłaLEMOINE, ELISABETH. "Dosage radioimmunologique du scc et cancers epidermoides : une experience chez 156 patients". Bordeaux 2, 1988. http://www.theses.fr/1988BOR25171.
Pełny tekst źródłaNecib, Ammour Ouarda. "Effect of platinum group metal (PGM) additions on the stress corrosion cracking resistance of type 304 stainless steel in pressurised water reactors". Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/effect-of-platinum-group-metal-pgm-additions-on-the-stress-corrosion-cracking-resistance-of-type-304-stainless-steel-in-pressurised-water-reactors(d7578933-6268-4fe8-819e-7b9b066f5c2e).html.
Pełny tekst źródłaPIALAT, RINGENBACH CHRISTINE. "Scc (squamous cell carcinoma) antigene : un nouveau marqueur tumoral, et cancer bronchique". Montpellier 1, 1989. http://www.theses.fr/1989MON11131.
Pełny tekst źródłaCisse, Sarata. "Influence de la localisation de la déformation plastique sur la Corrosion sous Contrainte des aciers inoxydables. Application à l’IASCC des internes de cuve". Thesis, Toulouse, INPT, 2012. http://www.theses.fr/2012INPT0067/document.
Pełny tekst źródłaThe surface conditions of the 316L screw connecting vessel internals of the primary circuit of PWR (pressurized water reactor) corresponds to a grinding condition. These screws are affected by the IASCC (Irradiation Assisted Stress Corrosion Cracking). Initiation of cracking depends on the surface condition but also on the external oxidation and interactions of oxide layer with the deformation bands. The first objective of this study is to point the influence of surface condition on the growth kinetic of oxide layer, and the surface reactivity of 304, 316 stainless steel grade exposed to PWR primary water at 340 ° C. The second objective is to determine influence of strain localization on the SCC of austenitic stainless steels in PWR primary water. Indeed, the microstructure of irradiated 304, 316 grades correspond to a localized deformation in deformation bands free of radiation defects. In order to reproduce that microstructure without conducting irradiations, low cycle fatigue tests at controlled stain amplitude are implemented for the model material of the study (A286 austenitic stainless steel hardened by the precipitation of phase γ ‘Ni 3 (Ti, Al)). During the mechanical cycling (after the first hardening cycles), the precipitates are dissolved in slip bands leading to the localization of the deformation. Once the right experimental conditions in low cycle fatigue obtained (for localized microstructure), interactions oxidation / deformation bands are studied by oxidizing pre deformed samples containing deformation bands and non deformed samples. The tensile tests at a slow strain rate of 8 x 10-8 /s are also carried out on pre deformed samples and undeformed samples. The results showed that surface treatment induces microstructural modifications of the metal just under the oxide layer, leading to slower growth kinetics of the oxide layer. However, surface treatment accelerates development of oxides penetrations in metal under the oxide layer. As example, for grinded samples, the recrystallized area under the oxide layer, induced by surface treatment, is deeper than for polished sample (up to 1.5 microns vs 500 nm for the polished samples) and the oxide layer is thinner than on the polished samples, while the penetrations oxide are expands on nearly 1μm under the oxide layer (against 300nm for the polished samples). We also show that the area recrystallization resulting from surface treatment, does not allow observing the interactions between the deformation bands in the bulk generated by LCF and the oxide layer at surface. Actually, surface reactivity is strongly important for SCC study of stainless steels in PWR primary water. We also demonstrated that this grade was very sensitive to intergranular corrosion in PWR environment at 340 ° C. Finally, localization of plastic deformation does not seem to favor SCC in our A-286 grade, at that strain rate level
SORDAGE, MONIQUE. "Interet d'un marqueur tumoral, le squamous cell carcinoma, en pathologie anale". Nice, 1989. http://www.theses.fr/1989NICE6558.
Pełny tekst źródłaHartmann, Marie-Thérèse. "Interet du scc ta-4 dans le cancer epidermoide de l'oesophage par rapport a l'ace - ca 19-9 - ca 125". Nice, 1991. http://www.theses.fr/1991NICE6508.
Pełny tekst źródłaGeda, Lemi Gemechu. "Macrostructure and Micro chemistry Analysis on Stress Corrosion Cracking(SCC) of Alloy 690". The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374161228.
Pełny tekst źródłaKeller, Scott. "Stress Intensity Factor Dependence of HG-AL Liquid Metal Embrittlement". Master's thesis, University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2220.
Pełny tekst źródłaM.S.M.E.
Department of Mechanical, Materials and Aerospace Engineering;
Engineering and Computer Science
Mechanical Engineering MSME
Holste, Joseph Robert. "Evaluating time-dependent and bond characteristics of a lightweight concrete mix for Kansas prestressed concrete bridges". Thesis, Kansas State University, 2010. http://hdl.handle.net/2097/6998.
Pełny tekst źródłaDepartment of Civil Engineering
Robert J. Peterman
This thesis details findings from testing done to determine bond and time-dependent characteristics of two lightweight concrete mixes. The lightweight mixes were tested to possibly provide a more cost-effective solution to replacing some of Kansas’ older bridges. Testing included use of a conventional lightweight mix and a self-consolidating lightweight mix. Sixteen Inverted T-beams were cast at a prestress plant to determine prestress losses that had occurred in the two lightweight mixes. These losses were compared to ACI, PCI, and AASHTO code equations. Creep and shrinkage prisms were also cast and measured to accurately determine creep and shrinkage variables for the two lightweight mixes. Twelve flexural beams were also cast at the prestress plant and tested at Kansas State University’s Civil Engineering Structures Laboratory to experimentally test development lengths of the lightweight mixes and to compare results with ACI code equations. This study found compressive strengths of the lightweight concrete mixes varied greatly from laboratory testing. Low concrete strengths caused the prestress losses to be greater than the predicted code values. Flexure beam testing showed several of the beams were subject to strand slip, causing a sudden violent failure.
Martinez, Michel. "Interet du marqueur s. C. C. (squamous cell carcinoma) dans le cancer du col de l'uterus". Montpellier 1, 1989. http://www.theses.fr/1989MON11073.
Pełny tekst źródła顔婉嫦 i Yuen-sheung Hextan Ngan. "The clinical significance of serum squamous cell carcinoma antigen (SCC) in carcinoma of cervix". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31981586.
Pełny tekst źródłaChen, Jinwei. "The effects of specimen geometry of susceptibility to stress corrosion cracking (SCC) of steels". Thesis, University of Newcastle Upon Tyne, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270796.
Pełny tekst źródłaMohammed, Mahmoud Khashaa. "Multi-scale response of sustainable self-compacting concrete (SCC) to carbonation and chloride penetration". Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/29130/.
Pełny tekst źródłaBailey, Joseph Donald Schindler Anton K. Brown Dan A. "An evaluation of the use of self-consolidating concrete (SCC) for drilled shaft applications". Auburn, Ala., 2005. http://hdl.handle.net/10415/1278.
Pełny tekst źródłaNgan, Yuen-sheung Hextan. "The clinical significance of serum squamous cell carcinoma antigen (SCC) in carcinoma of cervix". Hong Kong : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14553247.
Pełny tekst źródłaHosseinpoor, Masoud. "Numerical simulation of fresh SCC flow in wall and beam elements using flow dynamics models". Thèse, Université de Sherbrooke, 2016. http://hdl.handle.net/11143/9808.
Pełny tekst źródłaRésumé : Récemment, il y a un grand intérêt à étudier les caractéristiques d'écoulement des suspensions dans différentes applications environnementales et industrielles, telles que les avalanches des neiges, les coulées de débris, les systèmes de transport et les processus d’écoulement des matériaux. En ce qui concerne les aspects rhéologiques, la plupart des suspensions, comme le béton frais, se comportent comme un fluide non-Newtonien. Le béton est le matériau de construction le plus largement utilisé dans le monde. En raison de limites qui caractérisent le béton normal en termes de maniabilité et de capacité de remplissage de coffrage, il était nécessaire de développer une nouvelle classe de béton qui peut couler sous son propre poids, en particulier à travers les zones congestionnées du coffrage. Par conséquent, le béton autoplaçant (BAP) est un nouveau matériau de construction qui est de plus en plus utilisé dans les différentes applications. Étant donné sa fluidité élevée de BAP peut être utilisé dans certaines applications particulières, notamment dans la section densément renforcée. Cependant, la fluidité élevée rend le béton plus sensible à la ségrégation des gros granulats pendant l'écoulement (la ségrégation dynamique) et ensuite au repos (ségrégation statique). La ségrégation dynamique peut augmenter lorsque le BAP est coulé sur une longue distance ou en présence d'obstacles. Par conséquent, il est toujours nécessaire d'établir un compromis entre la fluidité, la capacité de passage, et la stabilité du BAP. Ceci doit être pris en considération afin de concevoir le processus de coulée et dosage des mélanges du BAP. Ceci est appelé la conception d'ouvrabilité du BAP. Une conception de maniabilité efficace et non coûteuse peut être achevée à travers la e prévision et l'optimisation de l'ouvrabilité des mélanges de béton pour les procédés de construction sélectionnés, notamment le transport, le pompage, la mise en place, le compactage, la finition, etc. En effet, les formulations de mélange doivent se confirmer à la qualité de la construction demandée, par exemple les niveaux exigés de fluidité, la capacité de passage, la capacité de remplissage, et la stabilité (statique et dynamique). Celui est nécessaire pour développer des outils théoriques afin d’évaluer dans quelles conditions les exigences de qualité de la construction sont satisfaites. Cette thèse est consacrée à la réaliser des simulations analytiques et numériques pour prédire la performance d'écoulement du BAP dans différents procédés de la mise en place du béton. L'objectif spécifique de cette étude consiste à simuler l'écoulement du BAP dans essais empiriques, notamment la boite en L et la boite en T pour évaluer la performance du BAP pendent la mise en place (la fluidité, la capacité de passage, la capacité de remplissage, et la ségrégation dynamique induite par cisaillement ou par gravité). Par conséquent, le BAP est modélisé comme matériau hétérogène. En outre, un modèle analytique est proposé pour prédire la performance à l'écoulement du BAP dans la boite en L en utilisant la théorie de Dam Break. D'autre part, les résultats des simulations numériques de l’écoulement du BAP dans une poutre renforcée sont comparés aux résultats expérimentaux par des profils de surface libres. Les résultats des simulations numériques de BAP coulée (modélisée comme un fluide homogène unique), sont utilisés pour déterminer les zones critiques correspondant à des risques plus élevés de ségrégation et de blocage. Les effets des paramètres rhéologiques, la masse volumique, le contenu des particules, la distribution de barres d'armature, et les interactions particule-barres sur les performances d'écoulement du BAP sont évaluées à l'aide de simulations MFN d’écoulement du BAP par les essais des L-Box et T-box (modélisée comme une matériau hétérogène). Deux nouvelles approches sont proposées pour classifier les mélanges du BAP sur la base de la capacité de remplissage, et les propriétés de performabilité, en fonction de la fluidité, la capacité de passage et de la stabilité dynamique du BAP.
Imrich, Kenneth J. "The SCC behavior of austenitic alloys in an oxygen-free CO₂ environment containing chloride ions". Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/77903.
Pełny tekst źródłaMaster of Science
Wright, David Marc. "The effect of cold rolling on the susceptibility of austenitic stainless steel to stress corrosion cracking in primary circuit pressurised water reactor environment". Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/the-effect-of-cold-rolling-on-the-susceptibility-of-austenitic-stainless-steel-to-stress-corrosion-cracking-in-primary-circuit-pressurised-water-reactor-environment(43d9ea3e-e941-4412-90f6-907f715b78c5).html.
Pełny tekst źródłaWeimer, Michael Dominik [Verfasser]. "Biomechanische Eigenschaften des Keratinnetzwerkes in SCC-25-Zellen und deren Modifikation durch Keratinphosphorylierung / Michael Dominik Weimer". Ulm : Universität Ulm. Medizinische Fakultät, 2014. http://d-nb.info/1049561961/34.
Pełny tekst źródłaKano, Masato. "Detection of Lymph Node Metasatasis of Oesophageal Cancer by RT-nested PCR for SCC antigen mRNA". Kyoto University, 2001. http://hdl.handle.net/2433/150176.
Pełny tekst źródłaBoehm, Kurtis McKinley Barnes Robert W. "Structural performance of self-consolidating concrete in AASHTO type I prestressed girders". Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SUMMER/Civil_Engineering/Thesis/Boehm_Kurtis_25.pdf.
Pełny tekst źródłaHellström, Matti. "Chemistry and Physics of Cu and H2O on ZnO Surfaces : Electron Transfer, Surface Triangles, and Theory". Doctoral thesis, Uppsala universitet, Strukturkemi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-236302.
Pełny tekst źródłaAleessa, Alam Burhan. "Utilization Of Soda And Beer Wastes In Cementitious Systems". Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/3/12610893/index.pdf.
Pełny tekst źródłaHuang, Yen-Jui. "Effect of Dissolved-Hydrogen on SCC Behavior of Solution-Annealed 316L and 310S SS in Hot Water". Kyoto University, 2018. http://hdl.handle.net/2433/232397.
Pełny tekst źródłaKretschmer, Emily R. "Efficacy of the PortaSCC® milk test to estimate somatic cell count (SCC) and detect subclinical mastitis in sheep, and the effect of cell counting method, sampling day, and udder health status on SCC and constituents in sheep mild". abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1447606.
Pełny tekst źródłaLeonard, Fabien. "Study of stress corrosion cracking of alloy 600 in high temperature high pressure water". Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/study-of-stress-corrosion-cracking-of-alloy-600-in-high-temperature-high-pressure-water(73edf35d-2bf4-42be-9816-b0746620dcf5).html.
Pełny tekst źródłaSizov, Vladimir E. "SCC initiation study of X-52 pipeline steel and its various microstructures in near neutral pH bicarbonate solution". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0020/MQ48369.pdf.
Pełny tekst źródłaKorchagina, Kseniia. "Etude par dynamique moléculaire des propriétés structurales, dynamiques et thermodynamiques d'agrégats moléculaires". Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30227/document.
Pełny tekst źródłaWater clusters constitute an important class of chemical species due to their central role in many physico-chemical and biological processes, in particular, atmospheric processes. Their physical and chemical properties are particularly sensitive to size and finite-temperature effects, which makes them particularly difficult to characterize experimentally. This thesis focused on the theoretical investigation of the structural, dynamical and thermodynamical properties as well as on the reactivity of various water clusters with the aim to implement appropriate modeling tools to enable a more detailed description of these systems. To do so, we used the paralleltempering molecular dynamics approach that was coupled with calculations of energies and gradients carried out by the Self-Consistent-Charge Density-Functional based Tight-Binding (SCC-DFTB) method.Three main areas were addressed during the work. In the first part, a detailed analysis of the structure of water clusters (H2O)nSO24- and (H2O)nH2SO4 with n=1-20 is performed. This study highlights the influence of the nature of the sulfur impurity on the hydrogen bond network of these species.The second part of this thesis focuses on the study of the "solid-liquid" phase transition in various water clusters. In addition to the sulfur-containing water clusters mentioned above, we also investigated protonated water clusters containing from 19 to 23 water molecules. To better understand the phase transition mechanism, we considered various structural changes associated with the transition, such as the evolution of the distributions of intermolecular angles and the evolution of the number of molecular rings in the cluster. We also characterized the phase transition through dynamical indicators such as the crossover frequency of the excess proton. The last part of this thesis is devoted to the study of the influence of small water clusters (from 1 to 10 water molecules) on the recombination reaction between the H atom and the CO molecule. This reaction is the first step in the formation of simple oxygenated organic molecules in the interstellar medium. It is therefore of particular interest. Due to the analysis of collisional dynamics between H and CO and the calculation of effective reaction cross sections we showed that the presence of water molecules plays an important role in the HCO radical formation
Fuertes, André Filipe Gonçalves. "Análise económica da adoção de navios autónomos no sector Offshore Oil & Gas, uma perspetiva de futuro". Master's thesis, Instituto Superior de Economia e Gestão, 2020. http://hdl.handle.net/10400.5/20146.
Pełny tekst źródłaA introdução de navios autónomos capazes de navegar independentemente sem tripulação a bordo parece ser uma realidade próxima na indústria marítima. A aposta neste tipo de tecnologia promete benefícios económicos pela redução de custos com tripulações, operações mais seguras, melhores eficiências energéticas e melhorias ao nível da construção naval. Neste trabalho, partiu-se de um navio PSV convencional de grau um na escala de Autonomia IMO que existe fisicamente e opera no sector Offshore Oil & Gas, com tripulação a bordo. Fazendo uma análise económica se o mesmo fosse um navio autónomo de grau três na mesma escala IMO sem qualquer tripulação a bordo, e nas mesmas condições de operação. O estudo segue a metodologia do projeto MUNIN, que fez uma análise análoga para um navio graneleiro. O que o presente estudo traz de inovador, é não só focar a analise no sector Offshore Oil & Gas, mas sobretudo utilizar valores reais de custos operacionais, de viagem e de capital de um navio que existe fisicamente em lugar de modelos teóricos de navios. A análise centra-se sobretudo no apuramento dos custos do navio nas duas condições, enquanto navio convencional, e na sua condição de autónomo. No que concerne às receitas, o navio opera a uma taxa de frete diária fixa contratada, que se considerou que depende dos mercados de brokerage e por essa razão a analise é centrada nos custos. As conclusões demonstram que o navio autónomo permite vantagens nas três dimensões de custos analisadas comparativamente ao navio convencional.
The introduction of autonomous ships capable of sailing independently without crew on board seems to be a close reality in the maritime industry. The investment in this type of technology promises economic benefits by reducing crew cost, safer operations, increase fuel efficiency, improvements in shipbuilding. In this research we started with a PSV ship that exists physically and operates in the offshore Oil & Gas Sector, of grade one on the IMO autonomy scale, crew manned. Performed an economic analysis of the ship operating under the same conditions but supposing it was in grade three on the IMO autonomy scale, without crew. The study follows the MUNIN project methodology, which performed similar analysis for a bulk carrier. The innovation the present research brings is not only the focus on the offshore Oil & Gas sector, but above all the use of real data of a real ship, when so far this analysis was based only in theoretical models. The analysis focuses mainly on determining the costs in both ship conditions separately as a conventional ship and in its autonomous condition. Regarding revenues, the ship is operating in a fixed daily rate freight, which was considered to be depending on brokerage markets, for this reason the analysis is centred on costs. The conclusions show that the autonomous vessel is cost advantageous in the three dimensions regarding the conventional ship.
info:eu-repo/semantics/publishedVersion
Al-Qaraghuli, Sahar. "Le rôle de XPC dans l’invasion des cancers cutanés chez l’homme". Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4037/document.
Pełny tekst źródłaSquamous cell carcinoma (SCC) is the most frequent metastatic skin cancer. His etiology is linked to exposure to ultraviolet radiation (UVR). Xeroderma pigmentosum C (XP-C) is a genetic disorder characterized by a severe susceptibility to aggressive SCCs following minimal exposure to UVR. XP-C cells are deficient in nucleotide excision repair (NER) of UV-induced DNA lesions. XP-C dermal fibroblasts expresse a phenotype resembling that of stromal fibroblasts associated to cancer cells with accumulation of reactive oxygen species and over expression of matrix metalloproteinase 1 (MMP1). We explored the effects of XP-C fibroblasts on migration and invasion of SCC cells. In organotypic skin cultures, XP-C fibroblasts promote the invasion of SCC cells. Also, scratch healing of SCC cells is enhanced with culture supernatants of XP-C fibroblasts through a mitogenic effect connected to increased ratio of SCC cells in the G2-M phase of the cell cycle. We show that XP-C fibroblasts overexpress the hepatocyte growth factor/scatter factor (HGF/SF) and activate the c-Met receptor and the p38 and JNK pathways in SCC cells. Blockage of HGF inhibits c-Met, p38 and JNK activation and prevented invasiveness of SCC cells within dermal equivalents. Spheroid assays show that XP-C fibroblasts lead SCC invasions. Our data indicate for the first time that XP-C fibroblasts are responsible for the formation of a permissive microenvironment towards SCC cells proliferation and invasion. Therapies targeting XP-C fibroblasts may be considered as a way to control aggressive cancer in XP-C patients
Bergkvist, Gurå Therese. "Role of epidermal growth factor receptor in feline oral squamous cell carcinoma". Thesis, University of Edinburgh, 2011. http://hdl.handle.net/1842/5542.
Pełny tekst źródłaJanzén, Johan. "Evaluation of Energy-Optimizing Scheduling Algorithms for Streaming Computations on Massively Parallel Multicore Architectures". Thesis, Linköpings universitet, Institutionen för datavetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-111385.
Pełny tekst źródłaMirošničenko, Virginija. "Mastito sukėlėjų įtaka karvių pieno sudėčiai". Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140305_134432-11712.
Pełny tekst źródłaBovine mastitis is the most prevalent and costly disease, affecting dairy farms worldwide. Economic losses associated with mastitis derive mainly from a decrease in milk production and to a lesser extent, from the culling of chronically infected cows, cost of veterinary treatment, and penalties on milk quality. The researches was carried out in 2011 – 2014 at State Laboratory “Pieno Tyrimai”, at the Department of Animal Breeding of the Veterinary Academy of the Lithuanian University of Health Sciences and in dairy farm. At the first phase there was investigated „X“ dairy cows herd. And at the second phase there was investigated Lithuanian dairy cow’s herds. In both have been investigated cow’s mastitis pathogens and analyzed cow’s milk structure changes. The biggest part of the cows in tested cows herd was found to be infected with Streptococcus spp. (22.22 proc.) and in Lithuanian dairy cows herds - Streptococcus spp. (23 proc.). The most elevated somatic cells count was determined in tested dairy cows infected with Streptococcus spp. (D group) (3430 ± 305 thousands/ml.). The most decrease milk fats was determined to Staphylococcus spp. and E. coli (3.38 ± 0.08 proc.). The most decreased milk proteins to - S. aureus (3.1 ± 0.01 proc.). And most decreased milk lactose to - Streptococcus spp.4.1 ± 0.2 proc. (p<0.05). The most elevated somatic cells count was determined, in Lithuanian dairy cows herds, infected with Staphylococcus spp. and Enterococcus spp. (3198 ± 255... [to full text]
Rafieefar, Ali. "Development of a multiscale modeling environment for parameterization of ReaxFF using SCC-DFTB and its application to ZnO structures". Thesis, Uppsala universitet, Teoretisk kemi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-224229.
Pełny tekst źródłaAndrade, PatrÃcia Lopes. "Qualidade higiÃnico-sanitÃria e quimica do leite e avaliaÃÃo de impactos ambientais e sociais, apÃs a utilizaÃÃo do kit embrapa de ordenha manual para caprinos leiteiros". Universidade Federal do CearÃ, 2012. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=9694.
Pełny tekst źródłaA regiÃo nordeste do Brasil tem grande potencial para a produÃÃo de leite de cabra, e a qualidade do leite produzido à importante para garantir a oferta de um alimento seguro do ponto de vista nutricional e higiÃnico sanitÃrio aos consumidores. O leite de cabra tem alto valor nutricional e possui grande aceitaÃÃo, especialmente em comunidades carentes, uma vez que constitui importante fonte proteica de alta qualidade na dieta dessas pessoas. A distribuiÃÃo gratuita e diÃria do leite de cabra, por meio de programas governamentais, tem o objetivo de reduzir deficiÃncias nutricionais com prioridade para as crianÃas, as gestantes e as nutrizes. O Kit Embrapa de Ordenha Manual foi desenvolvido com o propÃsito de contribuir para a produÃÃo segura do leite, atravÃs de uma tecnologia de baixo custo, ao alcance dos produtores familiares, os quais sÃo responsÃveis por grande parte da produÃÃo de leite de cabra no Brasil. O objetivo deste trabalho foi avaliar o efeito do Kit Embrapa de Ordenha Manual para caprinos leiteiros em propriedades de agricultura familiar, localizadas em trÃs regiÃes do nordeste Brasileiro. Durante o perÃodo de maio de 2010 a fevereiro de 2011, foram colhidas amostras de leite de cabra provenientes de rebanhos dos Estados do CearÃ, ParaÃba e Rio Grande do Norte para determinaÃÃo da composiÃÃo, contagem de cÃlulas somÃticas (CCS) e contagem bacteriana total (CTB). Avaliou-se tambÃm os impactos ambientais e sociais do Kit atravÃs do Sistema Ambitec-Agro. ApÃs a implantaÃÃo do Kit nas propriedades estudadas, observou-se uma diminuiÃÃo mÃdia de 72,1% da CTB e preservaÃÃo das caracterÃsticas de composiÃÃo do leite. A avaliaÃÃo do efeito da CCS sobre os componentes mostrou que houve um decrÃscimo da porcentagem de lactose do leite conforme aumentou a CCS. Dentre as amostras analisadas, 64% apresentavam contagens superiores a 1.000.000 CCS/mL, antes da adoÃÃo do Kit, o que evidenciou a necessidade da implantaÃÃo das Boas PrÃticas de ordenha nas propriedades avaliadas. A avaliaÃÃo de impacto social e ambiental foi positiva, apresentando valores mÃdios de 1,07 e 0,9 na avaliaÃÃo ex-post para os Ãndices de impacto Ambiental e Social, respectivamente, mostrando o potencial desta tecnologia como parte de um conjunto de atitudes capazes de melhorar a qualidade do leite de cabra produzido no Brasil, assim como proporcionar ganhos aos produtores.
The northeastern region of Brazil has great potential for the production of goat milk, and the quality of the milk produced is important to ensure consumers a safe food supply from the nutritional and hygienic-sanitary standpoint. Goat milk has high nutritional value and has a wide acceptance, especially in poor communities, since it is an important protein source in the diet of these people. The free and daily distribution of the goat milk, through government programs, aims to reduce nutritional deficiencies with priority given to children, pregnant women and nursing mothers. The goal of this study was to evaluate the effect of the Kit Embrapa de Ordenha Manual for dairy goats in family farming, located in three regions of northeastern Brazil. This effect was evaluated in samples of goat milk on the composition, somatic cell count (SCC) and total bacterial count (TBC), and also the effect of SCC on the components, by correlation of the data. In parallel, we assessed the environmental and social impacts of the Kit through Sistema Ambitec-Agro. The Kit Embrapa de Ordenha Manual was developed with the purpose of safe milk production through a low-cost technology that is available to family farmers, who are responsible for much of the production of goat milk in Brazil. Its validation in properties of Paraiba, Rio Grande do Norte and Cearà brought positive results, as the average of TBC decreased 72% and the characteristics of milk composition were preserved. The evaluation of SCC effect on the milk components showed that there was a decrease in the percentage of lactose in milk as SCC increased. Among the samples analyzed, 64% had counts exceeding 1.000.000 CCS/mL. This highlights the need for the implementation of hygiene practices on the milking properties evaluated. The social and environmental impact was also positive, with average values of 1.07 and 0.9 in the ex post evaluation indexes for Environmental and Social Impact, respectively, showing the potential of this technology as part of a set of attitudes capable of improving the quality of goat milk produced in Brazil, as well as of providing gains to producers.
Barreira, Ana Cristina Ramos. "Avaliação da qualidade do leite de ovelha na Beira Baixa com base em contagem de células somáticas". Master's thesis, Universidade Técnica de Lisboa. Faculdade de Medicina Veterinária, 2008. http://hdl.handle.net/10400.5/424.
Pełny tekst źródłaEste trabalho caracteriza o parâmetro Contagem de Células Somáticas(CCS) em leite de ovinos da área geográfica do queijo de Castelo Branco DOP (Fundão, Castelo Branco, Idanha-a-Nova, Vila Velha de Ródão, Covilhã e Belmonte). Foram seleccionadas 5 queijarias na zona-alvo que processam leite de ovino de explorações dos seis concelhos citados, às quais foi solicitada a colheita de amostras de leite do tanque da exploração. As amostras foram processadas pelo método fluoro-opto-electrónico FOSSOMATIC (Foss)250/360. As CCS obtidas foram registadas para posterior análise no software SPSS versão 15.0. Os resultados obtidos revelam uma média de CCS de 551,11xl03 células/ml, valor considerado satisfatório de acordo com o referencial dos E. U. A. (limite máximo CCS 1,0 xl06 células/ml) e de países da União Europeia como a França, a Itália e a Espanha (limite máximo CCS 0,5 a 1,0 x 106células/ml). Ao contrário de estudos anteriores, na nossa investigação não foi demonstrada uma associação entre o tamanho do rebanho e a CCS. Muito embora a média das CCS seja satisfatória queremos destacar a grande amplitude dos valores das CCS: de 15 a 5.762xl0(3) células/ml; o que reflecte um mosaico muito díspar do nível de educação sanitária dos produtores, dos objectivos das explorações/empresas, da qualidade das instalações e da sala de ordenha, do nível de biossegurança das explorações, e mais especificamente, de profilaxia e terapêutica das mastites. Esta constatação reforça a necessidade urgente de implementação de programas de Boas Práticas de Higiene a nível da exploração, aliados à monitorização do estado sanitário do úbere, tal como é proposto nos regulamentos comunitários respeitantes à higiene dos alimentos.
ABSTRACT: This work was conducted to characterize the parameter Somatic Cell Count (SCC) in Beira Baixa milk sheep at the geographic area of Castelo Branco Protected Designation of Origin (PDO) Cheese: counties of Fundão, Castelo Branco, Idanha-a-Nova, Vila Velha de Ródão,Covilhã and Belmonte. Five cheese making facilities were selected in the target area, accounting for all of the six districts mentioned earlier. Bulk tank milk samples were collected at the farm. The samples were processed by the fluor-opto-electronic method FOSSOMATIC (Foss) 250/360 and the SCC was recorded for subsequent analysis with SPSS version 15.0. The results point to a SCC áverage of 551,11x10(3) cells/ml, an acceptable value according to the U.S.A. standard (maximum CCS acceptable 1,0x10(6) cells/ml) and European Union member countries such as France, Italy and Spain (maximum CCS acceptable0,5 to 1,0x10(6) cells/ml). Unlike other published studies, an association between herd size and SCC was not found. Although the average SCC is satisfactory, a broad spectrum of values was recorded: 15 to 5.762x10(3)cells/ml; which reflects a concerning heterogeneity of the farmers' animal health education, of the farm/enterprise goals, of the premises and milking parlor quality, of the biosecurity level of the farms, and in particular, of the mastitis treatment protocols and prophylaxis programs. This remark enforces the urgent need to implement Hygienic Good Practicing at farm level, along with monitoring routines of the mammary gland health status, as it is proposed by the communitarian regulations on food hygiene.
Nunes, Sandra da Conceição Barbosa. "Performance-based design of self-compacting concrete (SCC) : a contribution to enchance SCC mixtures robustness". Doctoral thesis, 2008. http://hdl.handle.net/10216/58989.
Pełny tekst źródłaNunes, Sandra da Conceição Barbosa. "Performance-based design of self-compacting concrete (SCC) : a contribution to enchance SCC mixtures robustness". Tese, 2008. http://hdl.handle.net/10216/58989.
Pełny tekst źródłaChan, Wei-Chung, i 陳威証. "Cyclic Flexural Behavior of B.O.F SCC Column". Thesis, 2007. http://ndltd.ncl.edu.tw/handle/06756751156941757823.
Pełny tekst źródła許睿欽. "Feasibility Study of SCC Containing PP Fibers". Thesis, 2007. http://ndltd.ncl.edu.tw/handle/28375445677286694874.
Pełny tekst źródłaXIAO, QING-KAI, i 蕭清開. "The bulk-tank somatic cell count (scc) of TaiWan dairy herds and the effect of milking defects on herds with high scc". Thesis, 1992. http://ndltd.ncl.edu.tw/handle/29723194635367344450.
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