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Rozprawy doktorskie na temat „Exposure parameters”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Carpenter, James R. "Simulated confidence regions for parameters in epidemiological models." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320182.

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Noland, Jeffrey Edward. "RISK PARAMETERS AND ASSESSMENT OF DIETARY dsRNA EXPOSURE IN FOLSOMIA CANDIDA." UKnowledge, 2017. http://uknowledge.uky.edu/entomology_etds/37.

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Assessing the risk of transgenic crop products is essential when determining the safety of a crop for deregulation and commercialization. The Organization of Economic and Cooperative Development (OECD), International Standards Organization (ISO), and governmental regulatory agencies require a battery of tests to demonstrate the safety of a GM product against several surrogate species of organisms that perform various ecosystem services. Assays are performed using toxicology methods established for pesticides. These methods have been applied to testing the safety, specificity and fate of Bacill

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Lança, Luís Jorge Oliveira Carrasco. "Radiological imaging in digital systems: the effect of exposure parameters in diagnostic quality and patient dose." Doctoral thesis, Universidade de Aveiro, 2011. http://hdl.handle.net/10773/3950.

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Doutoramento em Tecnologias da Saúde<br>Esta tese pretende contribuir para o estudo e análise dos factores relacionados com as técnicas de aquisição de imagens radiológicas digitais, a qualidade diagnóstica e a gestão da dose de radiação em sistema de radiologia digital. A metodologia encontra-se organizada em duas componentes. A componente observacional, baseada num desenho do estudo de natureza retrospectiva e transversal. Os dados recolhidos a partir de sistemas CR e DR permitiram a avaliação dos parâmetros técnicos de exposição utilizados em radiologia digital, a avaliação da dose a

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4

Esterhuizen, Bevan Peter. "The effects of titanium oxide nanoparticles on cultured cells and the immune system." University of Western Cape, 2021. http://hdl.handle.net/11394/8428.

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>Magister Scientiae - MSc<br>Engineered nanomaterials derived from various bulk materials are being developed in ever larger quantities and with very diverse chemical compositions. The physical and chemical properties of the smaller nanoparticles are very different compared to their larger bulk chemicals. Titanium dioxide nanoparticles (TiO2NPs) are an example of such an engineered nanomaterial. Titanium dioxide nanoparticles are mainly used as a pigment in many applications such as glazes, enamels, plastics, pharmaceuticals, cosmetics, and it is widely used in sunscreens. Human exposure to Ti

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Cano, Tim. "The use of selected physiological parameters as indicators of polychlorinated biphenyl exposure of rainbow trout, Oncorhynchus mykiss." Thesis, University of Ottawa (Canada), 1996. http://hdl.handle.net/10393/9739.

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Hatchery reared rainbow trout (Oncorhynchus mykiss) were caged at two locations in the St. Lawrence river near Cornwall, Ontario. One cage was anchored in an area of high polychlorinated biphenyl (PCB) contamination, within an iron enclosure near the General Motors Foundry at Massena, N.Y. during a dredging operation designed to remove PCB contaminated sediments from the river. A second control cage was placed in the Snye channel, known to have low PCB concentrations. Hatchery fish were sampled to provide a time 0 control, and fish from each site were collected following 21 and 41 day exposure

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Saccomano, Margaret Eloise. "The Effect of Prenatal Nicotine Exposure on Ventilation Parameters and Receptor Expression in the Neonatal Rat Brainstem." Thesis, The University of Arizona, 2010. http://hdl.handle.net/10150/146649.

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Prenatal nicotine exposure has recently been linked to respiratory dysfunction in infants and has been named one of the largest contributing factors in Sudden Infant Death Syndrome. Experiments were performed using the neonatal rat model to determine the mechanism behind the link between prenatal nicotine exposure and respiratory dysfunction, clinically manifesting itself as SIDS. Protocol called for full body plethysmography to be performed on nicotine exposed or saline exposed neonates on postnatal days 1, 3, 6, 9, 12, 18 and 21. However, a dysfunctioning apparatus impeded ventilation proced

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7

Cui, Wenbin. "Comparative Evaluation on Human Infants Dietary Mercury Exposure through Consumption of Fish and Rice Products." FIU Digital Commons, 2017. http://digitalcommons.fiu.edu/etd/3464.

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Human exposure to methylmercury (MeHg) through diets (e.g., fish and rice) is a global health concern. Although MeHg exposure through fish consumption has long been considered the major route of mercury health risks, studies concerning the long-term changes in MeHg exposure from fish remain lacking. In sharply contrast to the fish MeHg issue, the presence of MeHg in rice has only been reported recently and its implications on MeHg exposure, albeit probably important, are still in infancy. Focusing on the discrepancies in the studies of MeHg exposure through fish and rice consumption, this stud

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8

Reppas, Chrysovitsinos Efstathios. "In silico methods to prioritize chemicals with high exposure potential." Doctoral thesis, Stockholms universitet, Institutionen för miljövetenskap och analytisk kemi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-149358.

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Chemicals offer a wide range of desired functions and are used in a variety of consumer goods and industrial sectors. The number of individual synthetic organic chemicals produced and the total global chemical production volume are increasing. The majority of these anthropogenic chemicals are not monitored in environmental matrices nor in the indoor environment even though some are associated with undesirable consequences and the range of possible chemical impacts is still far from being fully understood. Chemicals that remain in the environment for a long time and/or distribute over a large a

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9

Loef, David Szeinfeld. "Investigation of some biochemical parameters relating to energy metabolism in experimental rodent tumours after exposure to ionizing radiation and magnetic fields." Thesis, University of Cape Town, 1987. http://hdl.handle.net/11427/25636.

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Seitz, Mirjam [Verfasser], Sonja [Akademischer Betreuer] Kilo, and Hans [Gutachter] Drexler. "Validity of different biomonitoring parameters for the assessment of occupational exposure to N,N-dimethylformamide (DMF) / Mirjam Seitz ; Gutachter: Hans Drexler ; Betreuer: Sonja Kilo." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2018. http://d-nb.info/1194650821/34.

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McFarlane, Mary. "Butylated Hydroxytoluene treatment prior to and during pregnancy in the rat : effects of subsequent exposure on hepatic biochemical and histological parameters in male offspring." Thesis, University of Surrey, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259556.

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Keitel-Gröner, Frederike. "Physiological responses of Nile tilapia (Oreochromis niloticus) after exposure to diclofenac and metoprolol." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2017. http://dx.doi.org/10.18452/17723.

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(Oberflächen-) Gewässer weltweit sind mit geringen Mengen (ng/L bis wenige µg/L) humaner Pharmazeutika belastet. Diclofenac (DCF; nicht-steroidal, entzündungshemmend) und Metoprolol (MTP; ß-Blocker) gehören entsprechend ihres hohen Verbrauchs zu den am häufigsten gefundenen Substanzen. Deren biologische Aktivität ist nicht auf den Menschen beschränkt. Gut konservierte Enzyme innerhalb der Vertebraten legen Auswirkungen auf Nicht-Zielorganismen wie Fische nahe, die bisher in Langzeituntersuchungen mit umweltrelevanten Konzentrationen unzureichend untersucht wurden. In der vorliegenden Arbeit wu

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13

Wall, Rudolf [Verfasser]. "The effects of standing exposure on venous and muscular stress parameters : influence of dynamic muscle activity in the lower extremities, age and gender, in healthy individuals / Rudolf Wall." Tübingen : Universitätsbibliothek Tübingen, 2021. http://d-nb.info/1236994027/34.

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14

Phillips, Roger. "The predictive value of in vitro chemosensitivity tests of anticancer drugs : in vitro chemosensitivity of a panel of murine colon tumours determined by a colony forming assay at drug exposure parameters measured in vivo." Thesis, University of Bradford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329305.

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15

Figueiró, Micheli. "Sensibilidade da enzima acetilcolinesterase (e.c. 3.1.1.7) à nicotina in vitro e in vivo." Universidade Federal de Santa Maria, 2005. http://repositorio.ufsm.br/handle/1/11166.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This work valued the sensibility of the acetylcholinesterase from different sources and brain regions at nicotine in vitro, and the effects of the acute and subchronic exposures at the alkaloid on the brain acetylcholinesterase and serum cholinesterase activities, body weight gain and cerebral weight of female rats. The activity of cholinesterases was determined by spectrophotometric method of Ellman (1961), using acetylthiocholine as substrate. In the nicotine in vitro study, the enzymatic analysis was performed with nicotine conc

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16

James, Kelley J. "Impact of Heat Exposure on Postural Balance of Firefighters." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1397235487.

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17

Fourie, Marilize. "Tissue Parameter Mapping in Children with Fetal Alcohol Spectrum Disorders." Master's thesis, Faculty of Health Sciences, 2020. http://hdl.handle.net/11427/32252.

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Background: Fetal alcohol spectrum disorders (FASD), which are caused by prenatal alcohol exposure (PAE), affects people around the world. Certain communities in South Africa have among the highest reported incidences of fetal alcohol syndrome (FAS) in the world. Although PAE-related brain alterations have been widely documented, the mechanisms whereby alcohol affects the brain are not clearly understood. MRI relaxation parameters T1, T2, T2* and proton density (PD), are basic tissue properties that reflect the underlying biology. The present study aims to advance our understanding of how PAE

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Major, Andrea Claudia. "Exposure of cats to low doses of FeLV : seroconversion as the sole parameter of infection /." [S.l.] : [s.n.], 2009. http://opac.nebis.ch/cgi-bin/showAbstract.pl?sys=000282964.

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Lavelle, Karlene Sellani Olshan Andrew F. "Effects of lifestyle exposures and body mass index on sperm quality parameters of fertile men." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2008. http://dc.lib.unc.edu/u?/etd,1857.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2008.<br>Title from electronic title page (viewed Dec. 11, 2008). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Epidemiology, School of Public Health." Discipline: Epidemiology; Department/School: Public Health.

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Maitre, Léa. "Metabonomic and epidemiological analyses of maternal parameters and exposures during pregnancy and their influence on fetal growth amongst the INMA birth cohort." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/39755.

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Fetal growth aberrations, including fetal growth restriction (FGR) and macrosomia, convey the highest risk of perinatal mortality and morbidity, as well as increasing the chance of developing chronic disease in later life. Using Metabolic profiling/metabolomics approaches in maternal urine samples collected in a prospective mother-child cohort can provide information on the early-life exposome and can be linked to child health outcomes as well as potentially identify new biomarkers of exposure. The aims of this PhD were to characterise intra and inter-individual variations in maternal urine pr

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21

Tylš, Ladislav. "Získávání dat z kamer." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-217760.

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This thesis describes the principles of making application which is able to set and control camera. The first part describes basic camera connections and it explains definition and specification of camera’s features. The second part of my thesis describes implementation of application, which can use more cameras to image preview, image acquisition and to simply set of camera’s features. To implement the applications we can use MATLAB and C++BUILDER uses opencv libraries.

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22

Chou, Ying-Liang, and 周英樑. "The Changes of Ocular Physiological Parameters after High-G Exposure." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/20465191688596498802.

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碩士<br>國防醫學院<br>航太醫學研究所<br>92<br>Introduction. The effect of sustained high-G exposure on ocular hemodynamics and visual function is not clear. Visual biological parameters could vary after high-G exposure. Material & Methods. Nineteen subjects were divided into two groups: a centrifuge group (high-G exposure, n=13) and a control group (n=6). Intraocular pressure (IOP), visual acuity and manifest refraction were measured 30 minutes before centrifugation, 2 minutes, 10 minutes and 20 minutes after centrifugation, respectively. Results. Two subjects were excluded from the ex

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23

Chang, Wunching. "Evaluation of parameters influencing skin irritation and design criteria for prolonged pressure exposure." 1997. http://catalog.hathitrust.org/api/volumes/oclc/37821912.html.

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Thesis (Ph. D.)--University of Wisconsin--Madison, 1997.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 164-173).

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24

Lu, Yi-Fang, and 盧奕方. "An Investigation of Environmental Exposure Parameters of Extremely-Low-Frequency Magnetic Field in School Children." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/835uh9.

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碩士<br>輔仁大學<br>公共衛生學系碩士班<br>96<br>Background and Objectives: The International Agency for Research on Cancer affiliated with the World Health Organization reported in 2002 that environmental exposure ( >4 milli-Gauss, mG) to extremely-low-frequency magnetic field (ELF-MF) is a possible cause of leukemia in children aged 15 years or less, suggesting that children are potentially vulnerable to the leukemogenic risk posed by ELF-MF exposure. Because ELF-MF can only be quantified by instrumental dosimetry, which is usually costly and less comfortable perceived by the study subjects being measured,

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Bo-ShiouGuo and 郭柏秀. "Study on the Priority of Parameters in HARP for Air Toxics Exposure and Risk Assessment." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/9yy7tx.

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Shu-HanTsai and 蔡舒涵. "Optimizing parameters of SMAIT, MDF and XCMS for toxicant exposure marker discovery using mass spectrometry-based metabolomics approaches." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/bf2245.

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碩士<br>國立成功大學<br>環境醫學研究所<br>103<br>Phthalates are widely used in many products and regarded as endocrine disrupters. Di-isononyl phthalate (DINP) is one of phthalates may induce many health problems. Due to this reason, toxicant exposure marker discovery becomes an important issue. Metabolomics is the study of metabolite and liquid chromatography coupled with mass spectrometry (LC-MS) can develop the identification of metabolites. Once these metabolites are validated in biological samples, they are considered exposure markers. Owing to a large number of data generated from LC-MS, many methods s

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27

Huang, Cha-Chi, and 黃家麒. "The influences of exposure and development parameters on the shape and depth of micro-structure for four-beam interferometric lithography." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/7h54pq.

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碩士<br>國立中央大學<br>機械工程研究所<br>94<br>Abstract In this research, we have developed laser interference lithography system, such as one dimension linear gratings or two dimension arrays of dots and grids, to create periodical structures. The method of maskless laser interference lithography used for generation of infinite depth of focus, relative simplicity, low cost, deep sub-micron patterns and high resolution in large field of view is investigated. The main advantage of four-beam exposure is that higher throughput process for patterning arrays and higher contrast images can be obtained. According

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Wall, Judith S. "Investigation of attribution of cause, exposure factors and psychosocial stress parameters as they relate to musculoskeletal complaints in keyboard operators." Thesis, 1985. http://hdl.handle.net/1885/143898.

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Page, Tamara Elaine. "The impact of exposure time on biophysical parameters of the wound environment and patient comfort during dressing changes: a descriptive study." Thesis, 2015. http://hdl.handle.net/2440/93923.

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Wound healing is a complex milieu that affects millions of people around the world every day. Practice based concerns have been described anecdotally by nurses in acute care facilities where wounds requiring an assessment by health care professionals have been left without their primary dressings for a considerable length of time. A number of studies have demonstrated that the temperature, transepidermal water loss (TEWL) and pH of a wound's microenvironment influence wound healing; however, there is limited research on the effect of the dressing changes on these parameters as well as the risk

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Pereira, Sara Diana Moreira. "Estrogenic exposure impacts in the frequency and stereological parameters of both induced preneoplastic liver lesions and normal hepatocytes of the brown trout." Master's thesis, 2014. https://repositorio-aberto.up.pt/handle/10216/88647.

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Pereira, Sara Diana Moreira. "Estrogenic exposure impacts in the frequency and stereological parameters of both induced preneoplastic liver lesions and normal hepatocytes of the brown trout." Dissertação, 2014. https://repositorio-aberto.up.pt/handle/10216/88647.

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Gemmill, Bonnie. "Dietary exposure of 1,2-dibromo-4-(1,2-dibromoethyl)cyclohexane to juvenile brown trout (Salmo trutta): bioaccumulation parameters and effects on circulating plasma sex hormones." 2010. http://hdl.handle.net/1993/4105.

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1,2-Dibromo-4-(1,2 dibromoethyl)cyclohexane or tetrabromoethylcyclohexane (TBECH) is an additive bromine based flame retardant used primarily in expandable polystyrene beads that are used mainly to produce thermal insulation for housing. Secondary uses include extrusion into polystyrene foam, adhesive in fabric and vinyl lamination, electrical cable coatings and construction materials. The technical formulation contains two diastereoisomers, α- and β-, which are present in equimolar amounts. Under elevated temperatures two other isomers, γ- and δ-, can be formed. The recent detection of TB

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Wu, Wen-Hua, and 吳文化. "Body dose of toxic metal in community residents and the relations to occupation and cigarette smoking - and the association between the metal exposure and erythrocyte parameters." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/04653660252783807368.

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碩士<br>高雄醫學大學<br>職業安全衛生研究所碩士班<br>95<br>Objective: The Changhua area occupied 24％ of metal manufacturing industry in Taiwan. Combinations of industry related metals in soil has been verified, but there are no accurate information shown on human exposure studies. Therefore this study made further understands of the residents’ toxic metal exposure levels, and emphasized the effect of occupational exposure , smoking behavior and anemia. Method: This is a community-based study carried out during 2001-2002 and 2005-2006. The research areas from the areas of high industry density collected 532 effe

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Tseng, Hsuan-Hao, and 曾炫皓. "Research of the adaptive parameter by using space-variant of the gamma correction for high-exposure and low-exposure image." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/08252906296654051686.

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碩士<br>國立勤益科技大學<br>資訊工程系<br>101<br>The main object of the image enhancement is increasing quality and visibility in the image. In the thesis, we proposed a simple and effective color enhancement method for the local approach that improved some quality and visibility for the low-exposure and high-exposure image. In the traditional gamma correction, the gamma parameter γis set by user. So many method have been proposed to determine the gamma parameter γ. We are interested in resolving this problem. In this thesis, we proposed the contrast enhancement, sharpness enhancement and color enhancement.

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Lee, Chou-Hsuan, and 李洲亘. "Parameter determination of infrared thermography toward the inspection of concrete surfaces after fire exposure." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/83rh9z.

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碩士<br>朝陽科技大學<br>營建工程系碩士班<br>94<br>The objective of current study is to explore the feasibility of post-fire assessment of concrete surface using infrared thermography, or IRT. Fire exposure of concrete specimens was simulated using electric ovens at different temperatures lasting for two hours. Uniform heat flux was applied to the surface of the specimen after cooling to room temperature. The thermal images were then taken immediately following the heat flux was terminated. In some cases, surface cracks may be associated with the area of higher temperature in thermal images. Similar results we

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