Nach einer Studie der Bundesanstalt fur Geowissenschaften und Rohstoffe im Jahr 2009 wird im Zeitraum zwischen 2020 und 2023 ein Maximum der Forderung an konventionellem Erdol erreicht sein. Um einen moglichen Ruckgang der Erdolforderung zu vermeiden, kann nicht- konventionelles Erdol, speziell Olsande, eine Alternative bieten. Allerdings fallen bei der Verarbeitung der Olsande schwere Erdolfraktionen mit einem hohen Anteil an ein- und mehrkernigen Aromaten an. Da weltweit die leichten, hochwertigen Rohole knapper werden, ist die kanadische Chemieindustrie bestrebt, solche schweren Produkte in leichtere, wertvollere Chemierohstoffe umzuwandeln. Der Trend heisst: „from oil sands bitumen to petrochemical feedstocks”. Данное...
ISBN: 978-3-8381-2025-6
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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! A hydrogen sulfide sensor or H2S sensor is a gas sensor for the measurement of hydrogen sulfide. The H2S sensor is a metal oxide semiconductor (MOS) sensor which operates by a reversible change in resistance caused by adsorption and desorption of hydrogen sulfide in a film with hydrogen sulfide sensitive material like tin oxide thick films and gold thin films. Current response time is 25 ppb to 10 ppm < one minute. Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.
ISBN: 978-6-1326-2928-9
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Книга по требованию
Дата выхода: июль 2011
This book presents the mathematical modeling aspects of rainfall-runoff-erosion processes in the watershed, in which the watershed's hydrodynamics and erosion process were suitably considered using the kinematic wave with variable overland resistance, and upland erosion model, respectively. To account for the infiltration process in the watershed, parametric two-term Philip model was applied. Further, to generalize the application of the process-based model, this model was extended for the ungauged watersheds. This book also comprise of several monograms developed from the analysis of various watersheds of different geophysical characteristics for ready reference to the field engineers. This book will be especially helpful to the...
ISBN: 978-3-8433-7112-4
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Книга по требованию
Дата выхода: июль 2011
Carbon capture and storage (CCS) from carbon fueled processes seems to be the key mid-term strategy to limit the carbon dioxide concentration in the atmosphere. Chemical looping is proposed as a combustion technology (CLC) with inherent CO2 separation and as a hydrogen production process using reforming (CLR). The potential of chemical looping technology is the low energy penalty for CO2 capture. This study focuses on the implementation of chemical looping into a power-, and a hydrogen production process in the scale of 10 MW fuel power. The aim is to show achievable efficiencies and optimization potentials of such systems in order to allow the evaluation of the competitiveness of chemical looping technology. Данное издание...
ISBN: 978-3-6391-5930-1
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Книга по требованию
Дата выхода: июль 2011
Die vorliegende Arbeit befasst sich mit der selbstregulierenden hydrodynamischen Axiallagerung eines gedeckten Kreiselpumpenlaufrades am Beispiel des Laufrades einer Herzunterstutzungspumpe. Die Druckdifferenzen im Radseitenraum zwischen Rotordeckel und Gehause regeln die axiale Position des gedeckten Laufrades in Abhangigkeit vom axialen Versatz selbststandig, das heisst ohne Sensoren oder sonstige Regelsysteme. Mit Hilfe geeigneter Experimente wird der Einfluss verschiedener geometrischer Veranderungen des Radseitenraums, sowie unterschiedlicher Betriebszustande und Viskositaten auf die Axialkraft untersucht und bewertet. In weiteren Versuchen wird neben dem axialen Parallelversatz des Rotors auch das Kippen im Gehause untersucht. Ziel...
ISBN: 978-3-8364-8807-5
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Книга по требованию
Дата выхода: июль 2011
Power Generation is essentially required for improving and maintaining the infrastructure of the overall development of a nation. It is the tool to forge the economic growth of any country. Ghazi-Barotha is a runoff river hydropower project located at downstream of Tarbela and on left bank of Indus River. The project was studied to feasibility level in 1990, implementation was started in 1995 and now in operation since 2003. The project is being operated with full capacity during peak hours but be influenced by Kalabagh reservoir during August to March. The reduction in head to some extent reduces the power and energy. This research work had analyzed and evaluated the extent of reduced power and energy considering 20 year flow data....
ISBN: 978-3-6392-3099-4
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Книга по требованию
Дата выхода: июль 2011
The geomorphologic instantaneous unit hydrographs (GIUH) were developed to predict the direct runoff hydrograph from two hilly sub-watersheds of Ramganga catchment in Uttarakhand State of India. Based on the kinematic-wave theory, the topographic characteristics and Horton's stream-order-law ratios for the watersheds, the travel times for overland and stream-flows in a stream-ordering system of the watershed were analytically and probabilistically determined to develop the GIUH. The two-parameter Gamma-type model was also used to develop the GIUH for these watersheds. The performance of the developed models was evaluated by comparing the predicted and observed direct runoff hydrographs for the storm events occurring in the watershed. As...
ISBN: 978-3-8383-7189-4
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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! Hydroelectric power in New Zealand is the largest source of electricity generation in New Zealand. Reefton was the first town with a reticulated public electricity supply from a significant hydroelectric plant after the commissioning of the Reefton Power Station in 1888.The plan in 1959 to raise the level of Lake Manapouri to increase hydro-electric generation met with resistance, and the Save Manapouri Campaign became a milestone in environmental awareness. Later hydro schemes (such as the Clyde Dam) were also controversial, and in recent decades coal and gas-fired thermal stations have been approved in New Zealand, while renewable energy schemes in...
ISBN: 978-6-1333-8307-4
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Книга по требованию
Дата выхода: июль 2011
The theoretical behaviour or the limitations to the interactions between river flow and the seepage flow is not so clear up to date, though there are several publications about these interactions in the environmental and biological point of view. The stability of these flow interactions (also known as hyporheic interactions) is analyzed using the linear stability analysis technique. Stability diagrams are discussed with several slopes of the layers against the dimensionless particle diameter and wave number. It has been understood that the range for the occurrence of instability region increases with the slope of the combined river and seepage layers. This means that the occurrence of interactions is increased with the longitudinal...
ISBN: 978-3-6392-4169-3
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Книга по требованию
Дата выхода: июль 2011
This study focuses on a method of decreasing and maintaining blood pressure at a deep hypotensive state by automatically infusing sodium nitroprusside, and presents how to increase blood pressure back to higher value through controlling noradrenaline infusion. To handle the behaviors of patient caused by multiple feedbacks of blood pressure autoregulatory mechanisms and a wide range of patient sensitivities, a physiological model was developed. It can be used not only for tuning the controller but also for simulating the reaction of the body. The control system can simulate the circulation during and after administered hypotensive or hypertensive agents. At starting time, a step infusion is applied to estimate patient sensitivities....
ISBN: 978-3-6392-6902-4
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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! IAPMO R Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.
ISBN: 978-6-1328-0342-9
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Книга по требованию
Дата выхода: июль 2011
High Quality Content by WIKIPEDIA articles! IDEF0 is a function modeling methodology for describing manufacturing functions, which offers a functional modeling language for the analysis, development, reengineering, and integration of information systems; business processes; or software engineering analysis. IDEF0 is part of the IDEF family of modeling languages in the field of software engineering, and is built on the functional modeling language Structured Analysis and Design Technique. The IDEF0 Functional Modeling method is designed to model the decisions, actions, and activities of an organization or system. Данное издание не является оригинальным. Книга печатается по...
ISBN: 978-6-1316-3445-1
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Книга по требованию
Дата выхода: июль 2011
Le frottement est un phenomene physique qui se manifeste au niveau des surfaces en contacts. Il presente un risque accablant dans la degradation des systemes de commande en introduisant des erreurs de suivi, des cycles limites et carrement des instabilites. Afin de compenser les effets de frottement en temps reel, le but de ce travail est de proposer une approche d'identification en ligne du modele de frottement GMS. Pour ce faire, une identification de la composante statique est proposee basee sur une approche d'optimisation nonlineaire min-max. Ensuite, une autre approche basee sur la mesure de la force de frottement en utilisant un observateur robuste est proposee. Cette aproche consiste a lineariser le modele de frottement et...
ISBN: 978-6-1315-1192-9
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Книга по требованию
Дата выхода: июль 2011
Moving object detection in video processing plays a very important role in many vision applications. The vision systems that include image processing methods are widely implemented in many areas as traffic control, video surveillance of unattended environments, etc. Most of the existing algorithms for moving object detection assume that the illumination in a scene remains constant. Unfortunately, this assumption is not valid, especially in outdoor environment. The efficiency of some of existing techniques diminishes significantly if the illumination varies. The problems associated with the background-based moving object detection techniques are mainly due to the variations of ambient lighting. Two effective moving object detection...
ISBN: 978-3-8433-5943-6
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Книга по требованию
Дата выхода: июль 2011
In this text, a framework that allows a layperson to transfer skills to a simulated robot is developed. The simulated robot is played by a simulated truck with a trailer. The elements that make up the framework are imitation-based learning and primitives that describe the robot’s motions. The skill transfer is accomplished using imitation learning where the demonstrated movements are mapped to a set of primitives, which are combined in a desired sequence to implement novel skills. In this monograph, imitation technology is developed in a simple two-dimensional world of a truck. Enabling technologies for this simple world will be very similar to the technologies that will enable manufacturing, assembly, and maintenance as well as...
ISBN: 978-3-6392-4042-9
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Книга по требованию
Дата выхода: июль 2011
This book examines the impacts of urbanization, particularly the Kaduna Urban Development, on flooding from the Kaduna River. The expansion of structural developments into traditional flood storage areas consequent to urbanization has modifies the channel shapes, reduces the width of the flood storage areas relative to bankfull width at every point along the river channel and modifies the flood flows containment characteristics of the channel. The Continuity equation in the St. Venant hydrodynamic equations was modified for the geomorphological parameter called the entrenchment ratio. The modified model was applied to investigate the extent of inundation of the floodplain by floods of various frequencies. Results obtained indicated that...
ISBN: 978-3-8433-5517-9
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Книга по требованию
Дата выхода: июль 2011
I am B.Sc. Agricultural Engineering (2003) from Univ. of Agri. Fsd Pakistan and Completed Master Degree in Water Resources Management (2007) from CEWRE, U.E.T, Lahore Pakistan. The current research topic is for fulfillment of my Master Degree. I have more than Seven years of extensive experience in irrigation and Hydrology. My Experience strengths include research, analysis, problem solving, planning, leadership and innovation resulting in efficient solutions. Especially, Water Resources management related to the problems concerned with irrigation at farm level, soil and water conservation and hydrology to develop criteria for design, manufacture, or construction of equipment, structures, and facilities. Designs, measuring and recording...
ISBN: 978-3-6393-0677-4
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Книга по требованию
Дата выхода: июль 2011
The ultimate objective of the manufacturing organizations today is to increase profitability through system simplification, organizational potential and incremental improvements by using modern techniques like Continuous Improvement, TPM and TQM etc. Most of the manufacturing organizations are currently encountering a necessity to respond to rapidly changing customer needs, desires and tastes. In order for organization to remain competitive and retain their market share in this global market, continuous improvement of manufacturing system processes has become necessary. Different strategies are involved in successful implementation of Continuous Improvement approach in different organizations. Research is still lacking to check the...
ISBN: 978-3-8433-6675-5
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Книга по требованию
Дата выхода: июль 2011
Dem Auge kommt als wichtigstes Sinnesorgan des Menschen besondere Bedeutung zu. Mit der Entwicklung aspharischer Intraokularlinsen wurde ein Schritt unternommen, um auch nach einer Kataraktoperation eine sehr gute optische Abbildungsqualitat des Auges zu erreichen. Die vorliegende Untersuchung soll Aufschluss geben, ob die Implantation einer aspharischen Intraokularlinse gegenuber einer spharischen Intraokularlinse fur jedes Auge eine verbesserte Qualitat des funktionellen Sehens zur Folge hat. Ziel war es zu prufen, wie praoperativ unter Berucksichtigung des Zusammenwirkens verschiedener Einflussgrossen der Nutzen einer aspharischen Intraokularlinse fur einen bestimmten Patienten vorhergesagt werden kann. Das Buch richtet sich in erster...
ISBN: 978-3-6392-0591-6
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Книга по требованию
Дата выхода: июль 2011
Continuous Evaluation of Time Varying Speech Quality (CETVSQ) is a method of subjective assessment of transmitted speech quality for long speech sequences containing quality fluctuations in time. This method is modeled for continuous evaluation of long speech sequences based on two subjective tasks. First task is to assess the speech quality during the listening and second task is to assess the overall speech quality after listening to the speech sequences. The development of CETVSQ was motivated by fact that speech quality degradations are often not constant and varies in time. In modern IP telephony and wireless networks, speech quality varies due to specific impairments such as packet loss, echo, handover in networks etc. Many other...
ISBN: 978-3-8383-7254-9
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Книга по требованию
Дата выхода: июль 2011
Titanium alloys are generally regarded as difficult- to-cut materials and plentiful research works have been conducted on their machinability in the past few decades with several diverse objectives, such as improvement on tool life, surface finish and surface integrity, investigation on chip and tool wear morphology, cutting force and vibration/chatter. This study introduces induction preheating as one of the new variable parameters to improve the machinability of titanium Ti-6Al-4V alloy. In the current work the influence of heating parameter i.e. preheating temperature, and the cutting variable, i.e. cutting speed, feed and axial depth of cut were investigated during end milling operation on a vertical machining center (VMC). The...
ISBN: 978-3-8383-7307-2
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Книга по требованию
Дата выхода: июль 2011
Satellite data is vital for understanding atmospheric properties, particularly those pertaining to cloud cover and its properties. Cloud cover is a key paremeter controlling and linking downward components of short-wave and long-wave surface radiation and precipitation on the land surface energy and water balance. On the other hand, hydrologists are now actively using the available high-resolution land and snow cover, topography, soil and vegetation characteristics data sets to parameterize distributed hydrologic models and to couple these models with atmospheric models. Adequate evaluation of these coupled models will depend on the accurate estimation of fine-resolution surface variables. This book is focused on correcting the modeled...
ISBN: 978-3-6392-9437-8
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Книга по требованию
Дата выхода: июль 2011
In this research we are introducing a novel approach to clustering data. Two or more records identified separately actually represent the same real world entity. Data clustering is the process in which groups of the records are not predefined. The proposed technique takes input symptoms form the doctors and extract the disease and its related multiple profiles of disease treatment stored in data ware house. But using clustering approach it divides all profiles into the related groups. Expert system only select three best ranking profiles by using one-way clustering and finally the expert system extract the treatment of the disease using two-way clustering. Data clustering is very crucial for business as information is the life blood of...
ISBN: 978-3-8433-8716-3
Издательство:
Книга по требованию
Дата выхода: июль 2011