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Dissertations / Theses on the topic 'Study Plaster Models'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Madhoo, Amika. "A comparison of three types of orthodontic study models." University of the Western Cape, 2020. http://hdl.handle.net/11394/8126.

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Magister Scientiae Dentium - MSc(Dent)<br>The aim of this present study was to compare the accuracy of digital and printed study models with plaster study models, that are considered the gold standard. The objectives were to compare the accuracy of measurements obtained from digital and printed study models with those of plaster study models, to establish which type of study model yielded the most accurate measurements in comparison to plaster study models and to identify possible disadvantages and errors that can be made using any of the three types of study models.

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2

Morse, Evan. "Objectified : a sculptural study /." Norton, Mass. : Wheaton College, 2009. http://hdl.handle.net/10090/8397.

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3

Konakovic, Damir. "Orthodontic diagnostics and measurements on digital study models made with an intraoral scanner." Thesis, Malmö högskola, Odontologiska fakulteten (OD), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-19970.

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Introduktion:Modellanalys har traditionellt gjorts på fysiska gipsmodeller. Idag finns ny teknik som möjliggör framställning av digitala modeller utan behov av konventionella avtryck. Syftet med den här studien är att undersöka tillförlitligheten hos digitala modeller framställda med en intraoral scanner, patientupplevelsen och olika tidsaspekter förenade med tekniken.Metod:På ett urval av 20 vuxna personer gjordes både konventionell avtryckstagning och en intraoral scanning (TRIOS, 3Shape) av bettet för framställning av gipsmodeller och digitala modeller. Den kliniska tidsåtgången mättes och

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4

Thelusmond, Jean-Rene. "The Use of Plastic Media in a Movable Bed Model to Study Sedimentary Processes in Rivers." OpenSIUC, 2011. https://opensiuc.lib.siu.edu/theses/770.

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5

Gurrutxaga, Lerma Beñat. "A dynamic discrete dislocation plasticity model for the study of plastic relaxation under shock loading." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/42360.

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This thesis concerns with Dynamic Discrete Dislocation Plasticity (D3P), a planar method of discrete dis- location dynamics aimed at the study of plastic relaxation processes in crystalline materials subjected to weak shock loading and high strain rates. Traditionally, the study of plasticity under these condi- tions was based on experimental measurement of the macroscopic response of the material. Using these data, well-known macroscopic constitutive laws and equations of state have been formulated. However, direct simulation of dislocations as the dynamic agents of plasticity in those circum

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6

Moberg, Pontus, and Filip Svensson. "Cost Optimisation through Statistical Quality Control : A case study on the plastic industry." Thesis, Blekinge Tekniska Högskola, Institutionen för industriell ekonomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21922.

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Background. Shewhart was the first to describe the possibilities that come with having a statistically robust process in 1924. Since his discovery, the importance of a robust process became more apparent and together with the consequences of an unstable process. A firm with a manufacturing process that is out of statistical control tends to waste money, increase risks, and provide an uncertain quality to its customers. The framework of Statistical Quality Control has been developed since its founding, and today it is a well-established tool used in several industries with successful results. W

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7

Ambard, Marie-Hélène. "Etude par simulation numerique d'un modele tridimensionnel de nacn." Paris 6, 1987. http://www.theses.fr/1987PA066237.

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Les phases sont caracterisees par desordre d'orientation des molecules, mouvements de reorientation d'un puits de potentiel a un autre et des librations. La dynamique rotationnelle des molecules a ete etudiee par l'intermediaire de fonctions de correlation rotationnelles et de spectres de phonons. Une etude qualitative de ces fonctions a permis d'expliquer les largeurs variees des spectres

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8

Khosravi, Rahmani Ramin. "THREE-DIMENSIONAL NUMERICAL SIMULATION AND PERFORMANCE STUDY OF AN INDUSTRIAL HELICAL STATIC MIXER." See Full Text at OhioLINK ETD Center (Requires Adobe Acrobat Reader for viewing), 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=toledo1103149825.

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Dissertation (Ph.D.)--University of Toledo, 2004.<br>Typescript. "A dissertation [submitted] as partial fulfillment of the requirements of the Doctor of Philosophy degree in Engineering." Bibliography: leaves 323-340.

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9

Chieragatti, Rémy. "Influence de l'orientation cristallographique sur le comportement en fatigue oligocyclique du mar-m200 monocristallin." Paris, ENMP, 1987. http://www.theses.fr/1987ENMP0024.

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Etude experimentale sur le superalliage soumis a une charge cyclique uniaxiale suivant la direction de croissance 001 et les orientations 111, 011 et 123 a 650 c et 900c. Analyse des courbes d'ecrouissage cyclique. Caracterisation des systemes de glisement associes aux grandes deformations plastiques. Description par un modele de l'influence quantitative de l'orientation sur les courbes, d'ecrouissage cyclique. Mise en evidence du role preponderant de la periode de propagation des fissures sur l'endommagement. Prevision theorique de la duree de vie en fatigue en utilisant des donnees de fissur

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10

Klein, Holger. "Ordre local dans des phases quasicristallines, approximantes et liquides Al-Pd-Mn." Grenoble INPG, 1997. http://www.theses.fr/1997INPG0138.

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Il existe, dans le systeme al-pd-mn, deux phases quasicristallines stables de structures icosaedrique et decagonale ainsi que deux familles de phases approximantes orthorhombiques. Par une etude de ce diagramme de phases nous avons precise les conditions de fabrication de monocristaux de phases approximantes ou quasicristallines. Les domaines d'equilibres entre les differentes phases solides et le liquide ont ete determines. Des structures atomiques de deux phases approximantes ont ete resolues par diffraction de rayons x sur monocristaux. Des clusters icosaedriques centres sur un mn definisse

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11

Lundner, Aaron S. "Comparison of comprehensive cast analysis on plaster and digital study models." 2006. http://proquest.umi.com/pqdweb?did=1075700611&sid=4&Fmt=2&clientId=39334&RQT=309&VName=PQD.

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Thesis (M.S.)--State University of New York at Buffalo, 2006.<br>Title from PDF title page (viewed on Aug. 03, 2006) Available through UMI ProQuest Digital Dissertations. Thesis adviser: Lampasso, Judith D. Includes bibliographical references.

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12

Lands, Bradley. "The accuracy and reliability of plaster vs digital study models : a comparison of three different impression materials." Thèse, 2010. http://hdl.handle.net/1866/4150.

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Introduction: Le but de l’étude était d’examiner l’effet des matériaux à empreintes sur la précision et la fiabilité des modèles d’études numériques. Méthodes: Vingt-cinq paires de modèles en plâtre ont été choisies au hasard parmi les dossiers de la clinique d’orthodontie de l’Université de Montréal. Une empreinte en alginate (Kromopan 100), une empreinte en substitut d’alginate (Alginot), et une empreinte en PVS (Aquasil) ont été prises de chaque arcade pour tous les patients. Les empreintes ont été envoyées chez Orthobyte pour la coulée des modèles en plâtre et la numérisation des modèles

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13

Cardona, Cédric. "Comparaison des dimensions de l'arcade mandibulaire avant et après traitement orthodontique sans extraction." Thèse, 2009. http://hdl.handle.net/1866/8061.

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14

HUANG, LUNG CHAO, and 黃龍超. "Sales Model Study of Engineering Plastic Product." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/u8s4ps.

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碩士<br>國立臺北科技大學<br>管理學院經營管理EMBA專班<br>105<br>With the development of history, the evolution of science and technology that people learned to create a tool to learn the use of natural wood, stone to metal to facilitate the use of human, life become more and more convenient. As human development needs increased, but all-natural resources are limited until the nineteenth century, plastic was invented with lower cost and equivalent performance in stead of natural raw materials. Until now, the development of a more excellent performance of engineering plastics to meet the ever-changing human technolo

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15

Chen, Chi-Yon, and 陳其庸. "A Study of the Plastic-Fracture Model for Concrete." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/55529936744164244267.

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碩士<br>國立中央大學<br>土木工程研究所<br>88<br>In the concrete models based on the classical plasticity theory, the loading function play an important role in the prediction of the behavior of concrete. For convenience and consistency, an important assumption in these models is that the yield criterion and subsequent loading functions have the same functional form as the failure criterion. In this study, a code was developed to implement the plastic-fracture model for finite element analysis. Several commonly adopted failure criteria are compared, and the effect of loading fuctions on the behavio

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16

Wang, Kuo Yan, and 王國彥. "An Empirical Study on Evaluation Models of Plastic Industry Stocks in Taiwan." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/90423140140678383846.

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碩士<br>清雲科技大學<br>經營管理研究所<br>96<br>The purpose of this study is to identify an empirical stock-value evaluation model for listed plastic companies in Taiwan stock market. In this study、we used price-earning ratio、price-sales ratio、price-book value ratio、discounted cash flow (DCF) method、DCF method of accounting earnings and Black-Scholes real option model with public secondary data from 2003 to 2006 to make empirical research respectively、and rate the performance of the 6 models by Theil 's U-value. Finally, we conclude some useful empirical results to provide reference to follow study.

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17

Kuang-FuChang and 鄭光甫. "Study of An Elasto-plastic Microcontact Model For Evaluating Elastic Recovery." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/97021050871079452856.

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碩士<br>國立成功大學<br>航空太空工程學系碩士在職專班<br>102<br>SUMMARY Normally, in statistical contact analyses, asperity height distributions are assumed to follow a Gaussian distribution. However, engineered surfaces are frequently non-Gaussian, depending upon the material and surface state being evaluated. When two surfaces experience contact deformations, the original topographies of the surfaces vary with different loads, and the deformed topographies of the surfaces after unloading and elastic recovery are different from those of two contacting surfaces under a constant load. Keywords: micro-contact, skewnes

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18

Huang, Chun-shen, and 黃珺紳. "The Study of Plastic Woven Bag Manufacturing Business Model Development - A Case Study of LJ Company." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/bk73vq.

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碩士<br>國立臺北科技大學<br>經營管理系碩士在職專班<br>105<br>Thailand is a large agricultural country, and because of the hot weather, people use large amount of ice and many chemical industries in Thailand, so the woven bag in Thailand is a high utilization rate of products. However, in recent years because of regulations changes, safety issues and test problems that caused many customers began to replace with other packaging. Meanwhile, the recent wage increased and health problems caused many companies began to change the automated packaging or change the manner packing. Therefore, we have to approach the futur

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19

Yeh, Fu-Hsuan, and 葉馥瑄. "A Preliminary Study on Excavation Deformation in Sandstone Using Nonlinear Elasto-plastic Model." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/41527842426189965070.

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碩士<br>國立臺灣大學<br>土木工程學研究所<br>101<br>Western region of Taiwan is most populous and accompanied by active constructions of transportation infrastructures. Many tunnel constructions currently in progress or in planning are, or to be, constructed in sedimentary strata formed in the Tertiary Period. Due to the relatively young rock-geneses period and possibly other factors, these sedimentary strata are mostly weak rocks. In the past, these weak rocks have caused several engineering difficulties such as squeezing of constructing tunnel due to shear-induced and creeping deformations. Through a series

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20

lian, Jeng Yen, and 鄭彥良. "A Study on Orthogonal Cutting Model by Three- Dimensional Thermo-Elasto-Plastic Method." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/61212484163362695264.

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碩士<br>國立臺灣科技大學<br>機械工程研究所<br>84<br>The large deformation-large strain finite element theory, and Updated Lagrangin Formulation (U.L.F) and step bye step principles ware used in this paper to develop a 3D thermo elast-plastic analytical model. At the same time, the strain-energy density theory and a material constant ( strain-energy density critical value ) ware introduced as reference criteria for chip separation during the cutting process of metals. Fu

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21

Hao, Shie Lieh, and 郝旭烈. "The Study of Loaning Credit Assessment Model: The Case of Plastic Industry in R.O.C." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/40011245097455220374.

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22

Liu, Hsin-Chun, and 劉芯君. "Plastic behavior of metallic glass composite controlled by nanopores: A study of mesoscale model." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/bs6kuj.

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碩士<br>國立交通大學<br>材料科學與工程學系奈米科技碩博士班<br>107<br>Metallic glass (MG) has excellent fracture toughness, elastic coefficient, yield strength, soft magnetism, and corrosion resistance. Due to these properties, MG has been considered possessing many potentials for commercial applications, it belongs to the popular topic about advanced structural material. This research tries to control internal defects to increase material properties (such as strength, ductility), avoiding shear softening to occur to MG, it will cause the damage. The architecture model combines finite element method (FEM) and kinetic M

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23

Tsao, Su-ben, and 曹賜斌. "Study of Innovative Strategy and Innovative Business Model of Medical Cosmoceutical Managment in Plastic Surgery." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/hs4rxc.

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碩士<br>國立中山大學<br>高階經營碩士班<br>95<br>Medical Cosmoceutical service is a new rising medical service in recent 5 years. It combines medical profession and cosmetic service, offering customers integrated aesthetic therapy services that are safe, reliable, delicate and effective. Due to medical cosmoceutical is a popular and self-payed medical service not limited to any specific medical field by law, it is undouhtedly an effective way of business transformation for the medical institutes with difficult running under poor National Health Insurance policy. Therefore, many plastic surgery and dermatologi

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24

HUANG, Tang-Kuo, and 黃唐國. "A Study of Three-Dimensional Sandwich Flat Strip Rolling with Thermo-Elasto-Plastic Coupled Model." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/09311232604264455982.

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碩士<br>國立台灣工業技術學院<br>機械工程技術研究所<br>85<br>In this paper, a coupled thermo elastic-plastic finite element model with3-D sandwiched strip symmetric rolling was derived. The roller was assumed tobe elastic and the transient heat transfer was considered. The two differentwoskpiece materials such as aluminum-mild steel and aluminum-copper wereconsidered. The effect of the different flow stress characteristics to stripshape after roller was analyzed, and the elastic deformation of roller

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25

OU, I.-CHIA, and 歐易佳. "A Study of Global Out-of Plane Stability Model for BRBs Using Notional Load and Plastic Analysis." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/2k66n4.

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碩士<br>國立臺灣大學<br>土木工程學研究所<br>106<br>Buckling-restrained brace (BRBs) are widely adopted for new construction and seismic retrofit of buildings. Properly fabricated BRBs can develop fully yielding strength under both tension and compression without flexural buckling. Therefore, BRBs can enhance the strength, stiffness, ductility and the energy dissipation capability of structures. However, when the out-of-plane (OOP) instability of the BRB and the end gusset connections occur, the axial strength, stiffness, and the energy dissipation capacity of the BRB will be significantly reduced. Therefore,

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26

Liao, Hsueh-Yu, and 廖學佑. "Artificial Intelligence Machining Surface Roughness Prediction Model and MRR Optimization – A Case Study of Plastic Injection Mold Milling." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/nbzk5j.

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碩士<br>國立中興大學<br>機械工程學系所<br>103<br>Technical products have characteristics such as short life cycle, high surface quality request and large quantity. Therefore, manufacturing factories gradually tend to use general types machine tool equipped with intelligent management, intelligent design and monitoring systems. Recently, with technological development, there are more and more indirect sensors which are normally used, and computer efficiency is higher than the past. The obstacles of hardware are gradually removed. Accordingly, in the field of manufacturing, many researchers use artificial neur

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27

Nian, Bo-Hao, and 粘博皓. "Modified Green Lean House Model for Improving Resource Management Efficiency－A Case Study of Plastic Injection Molding Industries." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/s32z8h.

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碩士<br>中原大學<br>工業與系統工程研究所<br>104<br>In recent years, with the rapid development of technology industry and industrial environment with high competition of global market, how to grasp the information and use resource effectively and promote productive quality and efficiency has become the key factors in company success. However, when we are enjoying the convenient life which technology bring to us, there have been many problems of climate change. Global warming and energy crisis will bring a huge threat to humanity, so Green Concept gradually rise. Many countries have invested effort in establi

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28

CHENG-NAN, TSENG, and 曾正楠. "A Study of Fuzzy Object-Oriented Data Model on Process Database－Using Plastic Process Database as An Example." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/97140445925985355993.

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碩士<br>國防管理學院<br>國防資訊研究所<br>87<br>Production database is an important database for producer, because of the necessity of plant production, production management and R&D, but there still has a challenge during establishing the database with vagueness data. Recently, there are many success in object-oriented analysis and design due to the usage of object-oriented technology, but it has not widely been adopted by designer to use the "Fuzzy Object-Oriented Data model"（FOOD） in database design. Actually, the fuzzy object-oriented data model has the power for data modeling, and it is very

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29

Hu, Hsuan Chi, and 胡軒齊. "A Modified Dao’s Material Analysis Model and Its Application to the Study of Elasto-Plastic Properties of Intermetallic Compound." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/37885566938226641843.

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碩士<br>國立清華大學<br>動力機械工程學系<br>103<br>In the solder interconnect technology of flip chip bonding, a thin intermetallic compound layer is likely to form at the interface between solder bump and under bump metallurgy due to the constitutional chemical diffusion. Generally, the shear strength of the intermetallic compound is less than that of the solder. This would influence the drop impact reliability of the solder bump. In addition, as the thickness of intermetallic compound is up to a certain value, a high local stress would commonly occurred at the interface between intermetallic compound layer

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30

Chen, Chin-Chang, and 陳清章. "Applying Structural Equation Models to Study the Influence of Leadership, Organizational Culture, Total Quality Management, and the Organizational Commitment -- An Empirical Study of Plastic Manufacturing Industry in Taiwan." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/78336399896278025308.

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碩士<br>國立東華大學<br>企業管理學系<br>94<br>This research bases on personality specialty and demography to create the cause-effect model of leadership, organizational culture, total quality management, and the organizational commitment. Finally, through the application of SEM, it will probe into the leadership, organizational cultures, total quality management, and the organizational commitment in real world. Through empirical example analysis, this research can get most of every variable, and understand the variable and variable existence relation and intensity of one. The result of this study is helpful

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31

Chen, Jou-Wen, and 陳柔妏. "An Empirical Study for the Credit Risk on the Taiwan’s Industries of Plastic and Chemical, Semiconductor and Financial Companies: An Application of the KMV Model." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/82nm3t.

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碩士<br>國立中山大學<br>財務管理學系研究所<br>103<br>Regardless of many discussions on domestic and foreign credit risk study, many of subprime mortgages defaults were breached by the borrowers since 2007. Large amount of breach penalties led numerous financial institutions associated with the US mortgage into management crisis. According to FSC statistics, the Bank and Insurance industry of Taiwan that invest in subprime mortage loan have a total loss of NT $ 31.33 billion yuan by the end of February, 2008. Meanwhile, the 2008 financial crisis hit the global economy resulted in consequent deterioration. S

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