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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
121

Analýza firmy pomocí vybraných metod / Firm Analysis by Different Methods

Kostka, Matej January 2013 (has links)
The subject of this diploma thesis is to analyse the Dolkam Šuja Company, a.s. Through the selected methods, described in the first part, the company’s current situation is evaluated and on its basis the measures for improving the current state of the company are proposed.
122

Úprava rychloupínacího zařízení pro aplikace prosévacích lopat / Adjustment of quick clamping equipment for application on screener crusher bucket

Hrňa, Lukáš January 2013 (has links)
This thesis deals with the adjustment of quit camping equipment for application on screener crusher bucket Allu SC 3-20 in order to streamline both digging into the bucket, and the actual screening. Using simulation methods in the Adams programme, forces are detected for the digging with the original suspension. Imperfections are revealed for the current full suspension and suggestions made for the new proposedsuspension. The new shape quick release mechanism is designed in CATIA modeler and the I-Deas programme provides final strength control of parts for the proposed mechanism. Finally, both variants are coMPared in terms of digging, sifting the material complexity of the design and the necessary restrictive criteria.
123

Booting Linux Really Fast

Parthey, Daniel 11 April 2006 (has links)
Diese Arbeit untersucht die Dauer von Bootvorgängen auf Linux-Systemen vom Einschalten des Rechners bis zur Benutzeranmeldung. Zeitintensive Abschnitte des Bootvorganges werden untersucht und Methoden zur Beschleunigung diskutiert. Dies beinhaltet eine Analyse verschiedener BIOS Versionen, der Kernel-Initialisierung und unterschiedliche Ansätze, Dienste zu starten. Es werden Startvorgänge eines gewöhnlichen Desktop-Systems mit einem eingebetteten VIA EPIA-ML-6000EA Mini-ITX System verglichen. / This research project evaluates startup times of the linux boot process from power-on until user login. Time consuming parts of the boot process are investigated and methods how to speed up the whole process are discussed. It includes an analysis and comparison of different BIOSes, the kernel startup sequence and different approaches to start user space services. This project also compares the startup times of everyday desktop systems with the EPIA-ML6000EA Mini-ITX board, an embedded x86-compatible system.
124

A Comparison of Traditional Norming and Rasch Quick Norming Methods

Bush, Joan Spooner 08 1900 (has links)
The simplicity and ease of use of the Rasch procedure is a decided advantage. The test user needs only two numbers: the frequency of persons who answered each item correctly and the Rasch-calibrated item difficulty, usually a part of an existing item bank. Norms can be computed quickly for any specific group of interest. In addition, once the selected items from the calibrated bank are normed, any test, built from the item bank, is automatically norm-referenced. Thus, it was concluded that the Rasch quick norm procedure is a meaningful alternative to traditional classical true score norming for test users who desire normative data.
125

Investigation of Laboratory Test Procedures for Assessing the Structural Capacity of Geogrid-Reinforced Aggregate Base Materials

Knighton, Jaren Tolman 01 March 2015 (has links) (PDF)
The modulus of aggregate base layers in pavement structures can potentially be increased through the use of geogrid. However, methods for determining how much structural benefit can be expected from a given geogrid product have not been standardized. A laboratory testing protocol is therefore needed to enable evaluation, in terms of modulus or California bearing ratio (CBR), for example, of the degree of improvement that may be achieved by a given geogrid. Consequently, the objective of this research was to identify a laboratory test method that can be used to quantify improvements in structural capacity of aggregate base materials reinforced with geogrid. For this research, National Cooperative Highway Research Program Report 598 repeated load triaxial, American Association of State Highway and Transportation Officials (AASHTO) T 307 quick shear, and CBR testing protocols were used to test unreinforced and geogrid-reinforced aggregate base materials from northern Utah. Biaxial and triaxial geogrid were investigated in multiple reinforcement configurations. Several statistical analyses were performed on the results of each test method to identify the test that is most likely to consistently show an improvement in the structural capacity of aggregate base materials reinforced with geogrid. The results of this research indicate that, for the methods and materials evaluated in this study, calculation of the modulus at 2 percent strain from the AASHTO T 307 quick shear data is the test method most likely to consistently show an improvement in structural capacity associated with geogrid reinforcement. Of the three configurations investigated as part of this research, placing the geogrid at an upper position within a specimen is preferred. Given that the end goal of the use of geogrid reinforcement is to improve pavement performance, additional research is needed to compare the results of the AASHTO T 307 quick shear test obtained in the laboratory with the structural capacity of geogrid-reinforced aggregate base materials measured in the field. In addition, correlations between the results of the AASHTO T 307 quick shear test and resilient modulus need to be investigated in order to incorporate the findings of the AASHTO T 307 quick shear test on reinforced base materials into mechanistic-empirical pavement design.
126

Design and evaluation of a shock load resistant dynamic chain plate / Design och utvärdering av en stöttålig dynamisk kedjeplatta

Olsson, Daniel January 2022 (has links)
Conveyor chains are often subject to repetitive shock loads during normal operations. This can cause accelerated wear in the chain leading to premature chain replacementor chain failure (Otoshi, 1997, p. 4). In this thesis a new approach for reducingshock load related wear in conveyor chains is proposed. The scope and objective ofthis project is to investigate the shock load phenomenon and develop a dynamic pinlink chain plate. A study into chain wear and shock loads of chain driven conveyorswas made to identify problem areas. Additionally, a Simulink model was created tosimulate the influence of shock loads on conveyor chains. Common wear as a result ofshock loads are identified as pin failure, bushing failure, scuffing, chain plate failure,fatigue and chain elongation, (Otoshi, 1997, p. 76-78). Nine concepts were drafted and evaluated using methods described in (Ulrich &Eppinger, 2016). The concepts were simulated using Finite Element Analysis (FEA)and two concept iterations, Concept B v.3 and Concept C v.3, were manufacturedfor static tensile tests using two different setups and Digital Image Correlation (DIC)system for additional strain measuring. The breaking load for Concept B v.3 andConcept C v.3 is 105 and 70 kN respectively. The approximate yield strength ofConcept B v.3 is 11 kN and 40 kN for Concept C v.3. The Fatigue limit was estimatedto 10 kN for Concept B v.3 and 20 kN for Concept C v.3. A nonlinear FEA for Concept C v.3 and Concept B v.3 provided additional insightinto the behaviour of the pin link chain plates during high stress concentrations. While neither the linear static nor nonlinear static analyses managed to accuratelypredict the behaviour of Concept B v.3, the simulated results of Concept C v.3 werein line with the observed tensile tests. From the results it is concluded that a dynamic chain plate in the form of ConceptC v.3 has the potential to reduce the magnitude of the force in the chain imposedby shock loads, while still following the current ISO standard for conveyor chains. The resulting design proposition provides an easy to manufacture high strength chainplate with increased elastic properties.Future work should be focused on determining the fatigue life and shock load resistanceof the developed chain plate. It is recommended that material selection is focused onwear and fatigue resistant materials and that both simulated and physical dynamictesting is performed.
127

An Internship at Miami University Libraries Center for Information Management

O'Hara, Karen Mary 02 December 2004 (has links)
No description available.
128

化妝品零售業快速回應市場需求之商業模式-以小三美日為例 / Business models for quick response to demand uncertainty in cosmetics retail industry - a case study of 小三美日

莊惟亞, Chuang, Weiya Unknown Date (has links)
近年來,化妝品零售業之發展已趨成熟,且邁入「消費者導向」的時代。在屈臣氏、康是美等傳統藥妝店之銷售模式下,業者必須提早預測未來市場的流行趨勢及需求量,提早生產,並鋪貨至全台各門市,導致其需要花時間去反應市場需求變動,使供應鏈內的存貨量相當高,支付大量無謂的存貨成本,最終便轉嫁予消費者。而近年新崛起的化妝品零售業者,網羅各國的美妝品,隨時掌握最新流行資訊、能夠精準抓住趨勢、快速回應消費者需求,減少為反應市場需求變動所備之存貨,同時還能維持低價競爭。 在外部環境不斷變化的消費市場裡,此種快速回應能力被視為能夠提升競爭優勢的利器,尤其是在化妝品市場裡,因其汰換快及生命週期短的產業特性,必須更強調「速度」的要求。 故,本研究採用個案研究法,並挑選最初此開創全新商業模式的企業之一-小三美日作為研究對象,探討為什麼會有需求不確定性,以及化妝品零售業者在面對需求不確定性時如何因應,及其快速回應市場需求之商業模式。 經過深入探討個案公司之快速回應策略以及商業模式,歸納本研究之發現如下: 1. 以顧客為中心之商業模式 2. 快速回應策略 3. 承擔風險換取彈性 本研究之貢獻在於建立一快速回應需求不確定性之改善原則和因應策略之架構,以期瞭解如何透過快速回應消除供應鏈上沒有加值的活動,從而提升消費者價值,創造共同利益,並為未來其他業者提供發展方向。然而,本研究僅就個案公司之主要商業流程活動以及如何因應需求不確定性進行探討,未針對執行後之效果及績效衡量指標進行後續研究。此外,由於本研究為單一個案研究,若能增加研究樣本,或可歸納出快速回應市場需求之準則,作為不同產業中的企業之參考案例。 / In recent years, the development of cosmetics retailing has matured and entered the "consumer-oriented" era. Under the business model of Watsons, Cosmed and other traditional cosmetics channels, the companies must predict the future trends and the market demands before producing and distributing products to various channels in Taiwan. Under this model, the companies need time to respond to the changes in demand, and companies are therefore faced with considerably with high level of stock. Not only does this generates a lot of unnecessary inventory costs, but this costs will also be passed on to consumers, which is reflected on the retail price. On the other hand, the new rising cosmetics retailers collect products from all over the world; these companies are able to accurately grasp the trend and quickly respond to various of demands of consumers. As a result, the companies do not have to keep high level of stock, this eliminates non value-added activities and unnecessary expenses, which also allows them to maintain their competitiveness in price. In the constantly changing consumer market, the ability to respond quickly can be seen as a competitive advantage. Especially in the cosmetics market with short product life cycle, the cosmetics retailer must place emphasis on speed. This research is based on case study method, and selects one of the first companies that developed the new business model as the research subject: 小三美日. The research is to discuss, the causes of demand uncertainty, how do the cosmetics retailers respond when facing demand uncertainty, and the business model of quick response to market demand. With in-depth case study of the quick response strategies and business model of 小三美日, the findings are as below: 1. The customer-oriented business model 2. Quick response strategies 3. Risk taking for flexibility The academic contribution of this study is to create the structure of improving principles and strategies of quick response to demand uncertainty, understand how to eliminate non value-added supply chain activities through the strategies of quick response, thus increasing customer value, creating common interests accordingly, and providing guidance for the future development of other retail industries. However, this research discusses the business model and quick response strategies while ignoring the performance evaluation. Meanwhile, since this is a single case study, the future research could increase the research subjects to construct the guidelines of quick response to market demand as a reference to companies in different industries.
129

Seeking Information After the 2010 Haiti Earthquake: a Case Study in Mass-fatality Management

Gupta, Kailash 05 1900 (has links)
The 2010 earthquake in Haiti, which killed an estimated 316,000 people, offered many lessons in mass-fatality management (MFM). The dissertation defined MFM in seeking information and in recovery, preservation, identification, and disposition of human remains. Specifically, it examined how mass fatalities were managed in Haiti, how affected individuals sought information about fatalities, and what needs motivated them. Data from 28 in-depth, partially structured interviews, conducted during two field visits ending 21 weeks after the earthquake, were included in a case study. The data analysis revealed the MFM was severely inadequate. One interviewee, a senior UN official, stated, "There was no fatality management." The analysis also indicated a need to learn whereabouts of the deceased motivated individuals to visit spots the deceased were last seen at. It sought to illumine information-seeking practices, as discussed in the works of J. David Johnson and others, by developing a new model of information flow in MFM. In addition, it reaffirmed Donald Case and Thomas Wilson's theoretical proposition – that need guides any seeking of information – in the case of Haiti. Finally, it produced recommendations regarding future directions in MFM for emergency managers and information scientists, including possible use of unidentified body parts in organ transplants. Overall, the dissertation, which was supported by two grants of the National Science Foundation, attempted to add to relatively scanty literature in information seeking in MFM.
130

Caracterização da vegetação remanescente visando à conservação e restauração florestal no município de Paulínia - SP / Remnant vegetation diagnose aiming forest restoration and conservation in the municipality of Paulínia, São Paulo State

Miachir, Jeanette Inamine 21 September 2009 (has links)
No contexto da conservação biológica, a fragmentação florestal é definida como uma separação ou desligamento não natural de áreas amplas em fragmentos espacialmente segregados, promovendo a redução dos tipos de habitats e a divisão dos habitats remanescentes em unidades menores e isoladas. A magnitude e a extensão dessas alterações na paisagem são influenciadas pelo tamanho, conectividade, forma, contexto e heterogeneidade dos fragmentos. Visando a conservação ambiental do município de Paulínia-SP, este trabalho teve como objetivo efetuar o diagnóstico da vegetação remanescente. Os fragmentos florestais identificados no município foram: Floresta Estacional Semidecidual, Floresta Estacional Semidecidual Ribeirinha, Floresta Paludosa e Cerrado. A caracterização da vegetação foi realizada através do levantamento florístico rápido baseado no tempo de amostragem. Os 104 fragmentos apresentaram riqueza de 517 espécies, sendo 447 espécies nativas regionais (região de Paulínia), 18 espécies nativas não regionais (nativas de outras regiões do Brasil) e 52 exóticas (originárias de outros países). Foram registradas espécies raras como Tabebuia insignis, Pilocarpus pennatifolius, Salix humboldtiana, Handroanthus umbellatus. A análise de similaridade florísica utilizando-se o Método de agrupamento de Sorensen foi efetiva para separar os fragmentos de Cerrado e Floresta Paludosa e mostrou tendência de agrupamento para algumas variações fisionômicas da Floresta Estacional Semidecidual. Com a finalidade de se obter dados quantitativos (abundância) das espécies, foram registradas todas as espécies diferentes encontradas em cada intervalo de tempo de amostragem no Levantamento Rápido. Obtiveram-se indicativos das 517 espécies com relação a serem raras ou comuns na paisagem, em cada formação florestal e em cada fragmento estudado. Foi aplicado um total de 801 intervalos de tempo de 15 min de amostragem e gerados 21.324 registros. A composição de espécies variou com o tamanho e grau de conservação dos fragmentos. Foram analisadas as influências do tipo de fisionomia florestal, tamanho e estado de conservação dos fragmentos na composição das espécies em relação às classes de sucessão ecológica e às síndromes de dispersão. A composição das classes de sucessão variou com o tamanho e estado de conservação dos remanescentes de Floresta Estacional Semidecidual e Floresta Estacional Semidecidual Ribeirinha. Em fragmentos menores e muito degradados houve predominância de espécies em estágios iniciais de sucessão (pioneiras e secundárias) em relação à classe de final de sucessão (clímax). Houve predominância da zoocoria, seguida de anemocoria e depois autocoria em todas as situações analisadas. / In biological conservation, forest fragmentation is defined as a separation or nonnatural disconnection of wide areas in spatially segregated fragments, generating a reduction of habitat types and the split of remnant habitat in smaller isolated units. The magnitude and extension of these landscape alterations are influenced by size, connectivity, shape, context and heterogeneity of fragments. Aiming environmental conservation of the municipality of Paulinia, SP, this study aimed to diagnose the remnant vegetation. The forest fragments identified in the municipality were: Seasonal Semidecidual Forest, Seasonal Semidecidual Riparian Forest, Swamp Forest and Savanna. The vegetation characterization was done through a quick floristic search based on sampling time. The 104 fragments presented a richness of 517 species, 447 of which are regional native species (Paulinia region) and 18 are non-regional native species (from other regions of Brazil); and 52 exotic species (from other countries). These fragments presented rare species as Tabebuia insignis, Pilocarpus pennatifolius, Salix humboldtiana, Handroanthus umbellatus. The floristic similarity analysis using the Sorensen method was particularly effective to separate Savanna and Swamp Forest fragments and showed a tendency for grouping some variations of Seasonal Semidecidual Forest. In order to obtain quantitative data (abundance) about the species, all different species found in each time interval in the quick floristic search were recorded. Indicatives for 517 species were obtained classifying then into rare or common in the landscape, in each forest formation, and in each fragment studied. 21.324 records were generated for a total of 801 intervals of 15 minutes sampling. Species composition varied with size and conservation degree of fragments. The influences of the forest physiognomy type, size and conservation status of fragments on species composition related to ecological succession classes and dispersion syndromes were analyzed. The ecological classes composition varied along with the size and conservation status for the fragments of Seasonal Semidecidual Forest and Seasonal Semidecidual Riparian Forest. In smaller and very degraded fragments there was a predominance of species from initial sucessional stages (pioneer and secondary species) in comparison to species from final stages of succession (climax). There was predominance of zoochory, followed by anemochory and autochory in all situations analyzed.

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