Remaining service life estimation and pavement condition prediction are two essential functions of Pavement Management Systems. This book first introduces the development of the Cox Proportional Hazards model for analysis on pavement remaining severice life. By specifying pavement condition rating (PCR) of 70 as the terminal pavement status, survival curves were developed based on historical PCR data using Cox Proportional Hazards method. Further, the estimated service lives of pavements were obtained from these survival curves. Results indicate the survival curve derived from the Cox model can be used to assist in pavement rehabilitation decision-making, overlay design, and budget allocation. Secondly, a linear mixed effects model...
ISBN: 978-3-6392-5897-4
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Книга по требованию
Дата выхода: июль 2011
An organized evacuation of pedestrians entrapped in a building, in emergencies such as those caused by fire, bomb blast, intentional or unintentional release of toxins in buildings etc., is of utmost importance. The focus of this book is on the development of a formal control methodology for an orderly and jam-free evacuation of pedestrians entrapped in a network of corridors in buildings in such emergency situations. To develop an effective solution, the pedestrian evacuation from a network of corridors is divided into two basic problems of flow routing and flow control. In this study the solutions of these two basic problems are developed. Concepts are applied from the disciplines of control engineering, operations research and...
ISBN: 978-3-6392-6879-9
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Книга по требованию
Дата выхода: июль 2011
State of the art understanding of the seismic behaviour of shallow foundations has advanced rapidly in recent years, yet current design practice does not account for these advances. The idea that shallow foundation bearing failure should not occur during an earthquake is not in line with other areas of earthquake engineering, where performance based design is widely accepted. The macro-element investigated in this study is a simple tool that can model complex dynamic soil-structure interaction beneath a shallow foundation. A detailed account of macro-element theory and behaviour is given and a computer code, written for use with the MATLAB software, is included. Insights are made into the usefulness of the macro-element in routine...
ISBN: 978-3-8383-7314-0
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Книга по требованию
Дата выхода: июль 2011
Many research and development works have been carried out in the area of high speed turning. Cermet tools have been employed for high speed machining for a long time due to their high wear resistance and high hot hardness. In the current work, research is focused on the analysis of wear behavior of cermets applying negative rake angles during high speed machining. In addition to that, cutting temperature is also integrated in this research due to its significant roles in high speed machining. Those facts and evidences have formed the rationale of this research. Hence, the aim of this research is to investigate performance of cermet tools applying negative rake angles during high speed machining. Данное издание не...
ISBN: 978-3-8433-7478-1
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Книга по требованию
Дата выхода: июль 2011
An Bestuckungsmaschinen fur die Halbleiterproduktion (Die-Bonder) werden hohe Anforderungen hinsichtlich Genauigkeit und Durchsatz gestellt. Aus diesen Anforderungen leitet sich die Aufgabenstellung der Diplomarbeit ab: Erhohung der Maschinengenauigkeit und Verbesserung der Zykluszeiten der Maschine. Im Rahmen dieser Diplomarbeit werden drei Zugange zu diesen Problemstellungen gewahlt: Servoregelung: Die Positionsregelung der Antriebe hat einen wesentlichen Einfluss. Im Speziellen wird das erganzende Feedforward betrachtet und ein Algorithmus entwickelt, der eine optimale Einstellung der entsprechenden Parameter ermoglicht. Bewegungsprofile: Die Verlaufe von Beschleunigung, Geschwindigkeit und Position der Achsbewegungen konnen...
ISBN: 978-3-6390-5673-0
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Книга по требованию
Дата выхода: июль 2011
MQL is the possible solution in the machine shops in respect of environmental friendliness,workers health consciousness,cost effectiveness.MQL application works favorable in respect of power consumption, product quality and tool life.The work has been taken up to explore the role of MQL on the major machinability characteristics in turning 42CrMo4 steel by coated carbide tools.Chapter 1 presents the general requirements in machining industries, role of cutting tools and problem associated with high cutting temperature, selection of cutting fluids and expected role of MQL.Chapter 2 presents the procedure and conditions of the machining experiments.The experimental results on the effects of MQL relative to dry machining on cutting...
ISBN: 978-3-6392-3237-0
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Книга по требованию
Дата выхода: июль 2011
Als Teil des Entwicklungsprozesses haben praventive Qualitatsmanagement-Methoden die Aufgabe, mogliche Fehler zu vermeiden und somit die Fehlerkosten in der Produktion zu senken. Zur Verbesserung des Methodeneinsatzes stellt der Autor Dr. Thomas Dietmuller ein praxisorientiertes Kennzahlensystem fur Serienentwicklungsprojekte vor. Ausgangspunkt ist eine Ursache-Wirkungskette, die die Wirkzusammenhange der praventiven Qualitatsmanagement-Methoden in mehreren Perspektiven darstellt. Das Kennzahlensystem besteht aus einer Befahiger- und einer Ergebnis-Seite und enthalt zusatzlich Indikatoren zur Klassifikation der Projekte. Um projektubergreifend den Methodeneinsatz fur zukunftige Projekte effektiver zu gestalten wird die Wirtschaftlichkeit...
ISBN: 978-3-6390-0260-7
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Книга по требованию
Дата выхода: июль 2011
Saroj Acharya, Dr. Ranjan Swain, Dr. Mahendra Mohanty
The increasing industrialization and motorization of the world has led to a steep rise for the demand of petroleum products. Petroleum based fuels are obtained from the limited reserves. These finite reserves are highly concentrated in certain regions of the world. Therefore, those countries not having petroleum resources are facing a foreign exchange crisis, mainly due to the import of crude oil. A single cylinder (5hp), four stroke, constant speed, water cooled, direct injection diesel engine retrofitted with a shell and tube heat exchanger was typically used in the experiments. The acquired engine datas were analyzed for performance and emission parameters such as Brake thermal efficiency (BTE), brake specific fuel consumption (BSFC),...
ISBN: 978-3-8443-0560-9
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Книга по требованию
Дата выхода: июль 2011
While studies specifying generic integration architectures are abundant, little or no studies are dedicated for applications performance over such heterogeneous networks. The purpose of this research is to evaluate the performance of integrated UMTS and WLAN network by using two types of standard integrated models proposed by 3GPP,open coupling and loose coupling together with network layer mobility management scheme such as Mobile IP.In this research we calculate the different application‘s traffic our concluded results shows that page response time is smaller for loose coupling scheme as compare to open coupling scheme although difference is not so much wide, pageresponse time increases with the passage of time because number of...
ISBN: 978-3-8383-7174-0
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Книга по требованию
Дата выхода: июль 2011
A promising ultra-wideband radio technology being widely considered for low data rate applications is the transmitted reference ultra-wideband scheme. One of its important applications is found in the area of radio frequency identification that requires low cost, low power consumption and low complexity radio frequency tags for its operation. However, although the standard transmitted reference scheme produces low complexity tag receiver structure, it is not energy efficient and the error performance is not as good as a full rake receiver. In this work, two transmitted reference scheme, which are known as transmitted-reference 4 pulse interval amplitude modulation (TR 4PIAM) and its enhanced version TR hybrid 4PIAM, are being studied...
ISBN: 978-3-8383-3304-5
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Книга по требованию
Дата выхода: июль 2011
Pervious Concrete Pavement: Performance in Cold Climates provides an integrated approach to pavement performance modeling through the integration of field investigations, panel rating, and conducting a survey. This book fits well into the scope of “Pavement Management” and can assist pavement engineers and managers in development of a pavement management system for pervious concrete pavement. The main interest of this book is to provide an elegant methodology to collect data, develop a novel condition index, and produce performance models for a new type of pavement. The contents of this book can be applied as a guide by researchers to investigate the characteristics and performance of new designed pavements which have not been...
ISBN: 978-3-8383-6396-7
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Книга по требованию
Дата выхода: июль 2011
Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Petroleos de Venezuela, S.A. (Petroleum of Venezuela) is the Venezuelan state-owned petroleum company. It has activities in exploration, production, refining and exporting oil, as well as exploration and production of natural gas. Since its founding on 1 January 1976 with the nationalization of the Venezuelan oil industry, PDVSA has dominated the oil industry of Venezuela, the world's fifth largest oil exporter.Between 2004 and 2010 PDVSA contributed $61.4 billion to social development funds. Around half of this went directly to various Bolivarian Missions, with the remainder distributed via the National Development Fund. Данное издание...
ISBN: 978-6-1333-8895-6
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Книга по требованию
Дата выхода: июль 2011
Most petrochemicals are currently made from crude oil. The global petrochemical industry is faced with the dual challenge of climate change and the security of energy supply. This book explores the technical and economic potential of innovative technologies. In total, 24 technological routes were studied and three aspects were analyzed: environment, production costs and innovation. The book concludes that while certain innovative technologies could potentially improve energy efficiency, reduce carbon-dioxide emissions and/or utilize alternative primary energy sources (e.g. coal and biomass), there are complex drivers and barriers related to energy efficiency improvement and technological innovations. Appropriate policies are needed to...
ISBN: 978-3-8433-6306-8
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Книга по требованию
Дата выхода: июль 2011
This book provides readers with introductory information on oil and natural gas industry and engineering. It was written primarily for students at the university level, whose contribution will be crucial to the energy industry for continuing ability to supply the world. This book also is an essential reference for non-engineering petroleum industry technical and non-technical professionals. It addresses several petroleum and natural gas engineering issues including principals of oil and gas generation, exploration techniques, reserves estimation, field development, production optimization, reservoir management, the aspects of well drilling and completing, oil refining, oil and gas transportation, oil spill, and basic oil and gas...
ISBN: 978-3-6392-5035-0
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Книга по требованию
Дата выхода: июль 2011
Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Petromax is the brand name, for paraffin lamps that use a mantle, they are as synonymous with the paraffin lamp on the continent as Tilley lamps in the UK and Coleman in the US. (Paraffin is called kerosene in the USA.) Max Graetz (1851-1937) was the President/CEO at the firm Ehrich & Graetz in Berlin. He also was their main inventor. He was seeking a solution for lighting around 1900, for the new product Paraffin. Mr Max Graetz invented a process to make gas out of paraffin; it has a very high caloric value and could make a very hot blue flame. Данное издание не является оригинальным. Книга...
ISBN: 978-6-1309-2240-5
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Книга по требованию
Дата выхода: июль 2011
Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
High Quality Content by WIKIPEDIA articles! Die Dampflokomotiven der Gattung T 2I der Pfalzbahn waren Tenderlokomotiven fur den Verkehr uber die Schiffsbrucken Speyer und Maxau. Zwei Lokomotiven wurden 1874 von der Grossherzoglich Badischen Staatseisenbahn erworben und als Gattung I b eingereiht. Die badischen Maschinen wurden nach der Ubernahme durch die Deutsche Reichsbahn 1925 in die Baureihe 88.75 umgezeichnet. 1865 wurde die Rheinbrucke bei Maxau im Zuge der Bahnstrecke von Winden nach Karlsruhe fertiggestellt. Die Pontonbrucke war in ihrer Tragfahigkeit begrenzt. Es war deshalb notwendig spezielle leichte Lokomotiven fur den Bruckenverkehr einzusetzen. Die ersten beiden dafur vorgesehenen Lokomotiven wurden 1865 von der...
ISBN: 978-6-1334-2669-6
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Книга по требованию
Дата выхода: июль 2011
Frederic P. Miller, Agnes F. Vandome, John McBrewster
High Quality Content by WIKIPEDIA articles! The Philippine National Broadband Network controversy (also referred to as the NBN/ZTE deal or NBN/ZTE mess) involved allegations of corruption in the awarding of a US$329 million construction contract to Chinese telecommunications firm ZTE for the proposed government-managed National Broadband Network (NBN). Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.
ISBN: 978-6-1325-4455-1
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Книга по требованию
Дата выхода: июль 2011
Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Philip Murray Condit (born August 2, 1941) is an American businessman who was Chairman and Chief Executive Officer (CEO) of the Boeing company from 1996 to 2003.He was born in Berkeley, California, and became an aviation enthusiast at an early age, earning his pilot's certificate at age 18. He earned a bachelor's degree in mechanical engineering from the University of California, Berkeley in 1963, a master's degree in aeronautical engineering from Princeton University in 1965, a Master's in Management from the Sloan Fellows program of the MIT Sloan School of Management in 1975, and a Ph.D. in engineering from the Science University of Tokyo. (He is...
ISBN: 978-6-1329-5763-4
Издательство:
Книга по требованию
Дата выхода: июль 2011
In the present work, a new approach to obtain homogeneous, thermally stable and formable photoluminescent materials for LED applications is presented, starting from silicon-based polymers and through heat-treatment at low temperatures (200-700 °C). These commercially available or laboratory synthesized polymers are usually employed in the PDC route and annealed at temperatures beyond 1000 °C. Here, polysiloxanes, polysilazanes, polysilylcarbodiimides and a copolymer polysilazane-polysilylcarbodiimide were heat-treated up to 700 °C for 2 h under Ar atmosphere. The annealing is effective in order to develop materials with tunable photoluminescence properties. The maximum emission spectra of many of the polymers investigated show a...
ISBN: 978-3-8381-1679-2
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Книга по требованию
Дата выхода: июль 2011
With the rapid and ongoing developments in telecommunication and electronic warfare technology, faster and more flexible systems are in demand. Wideband signal processing is thus needed to implement such systems. Microwave photonics has been introduced as a tool for achieving such ultra - broadband signal processing. Instantaneous Frequency Measurement (IFM) receivers play an important role in electronic warfare. They have been developed as a means of obtaining a rapid indication of the presence of a threat and to roughly identify the frequency of the threat signals. They also have the advantages of low-cost, compactness and moderate to good sorting capability in an interference-free environment. The main limitation of the traditional...
ISBN: 978-3-6392-2292-0
Издательство:
Книга по требованию
Дата выхода: июль 2011
Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Plans are a set of two-dimensional diagrams or drawings used to describe a place or object, or to communicate building or fabrication instructions. Usually plans are drawn or printed on paper, but they can take the form of a digital file. Plans are often for technical purposes such as architecture, engineering, or planning. Their purpose in these disciplines is to accurately and unambiguously capture all the geometric features of a site, building, product or component. Plans can also be for presentation or orientation purposes, and as such are often less detailed versions of the former. The end goal of plans is either to portray an existing place or...
ISBN: 978-6-1311-0383-4
Издательство:
Книга по требованию
Дата выхода: июль 2011