Noor publishing jun 2017 (148 risultati)
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Exposure to natural background ionizing radiation in excess of certain lower limits has been proved to increase the incidents of cancers and leukemias among humans. One of the main contributors to elevated levels of natural backgro…und radiation is the technology enhanced Naturally Occurring Radioactive Materials (NORM). Oil and gas exploration and processing activities usually accompanied with large quantities of NORM. Oil and gas NORM is found in piping, wellheads piping, storage tanks and other installations. Awali and Riffa Views gated communities in the Kingdom of Bahrain are located in areas of extensive oil and gas industrial activities. Oil wellheads and oil pipelines are located in close approximation to the residents' accommodation. The aim of this book is to assess the radiation levels in oil and gas fields and their hosting communities in the Kingdom of Bahrain. Performing radiological impact assessments facilitate the concerns to have a better control on radiation pollution if the location of risk is known. 68 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Our work depend on treatment waste water via green methods. These methods used natural adsorbent and used solar energy. These methods can applied in our life and are not cost. So that we hope applied these methods where these metho…ds can treatment two types of pollution. First type waste water contain heavy metals, and other type contain Carcinogenic dye 68 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In the last decades, there has been a new trend towards looking at language from a 'functional' point of view, and the advent of looking at the 'functional' side of grammar led to more awareness of language analysis and language in…terpretation. The traditional view of language as a set of rules has been extensively neglected by many linguists like Halliday, Martin, Christie, and others, and has been substituted by original practices and dynamic functions. However, the objectives of both grammar and discourse analysis can be explicitly characterised as to ' construct a grammar for purposes of text analysis: one that makes it possible to say sensible and useful things about any text, spoken or written, in modern English.' (Halliday 1994:xv). This reasearch is an attempt to answer these issues and provide a prattical analysis of some texts in terms of the metafunctions of grammar. 52 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -State recourse to the use of force has long been considered the main threat to international peace and security. The rules governing resort to force form a central element within international law. This book, therefore, is devoted…to deal with jus ad bellum. First, the regulation of war in the early days of international law until 1945 is discussed. Then, it focuses on the legality of the use of force in the post-Charter era. It begins by discussing the prohibition of the use of force under the UN Charter. After that, it analyses the justifications for the use of force in terms of self-defence and authorised force by the Security Council. It also argues whether the customary right of anticipatory self-defence was abolished by the Charter and whether such a right has been revived in the period after 1945. Next, this book explores many issues that are the subject of ongoing and longstanding debate such as the Legitimacy of humanitarian intervention and the 'protection of nationals' doctrine. Finally, it determines the consequences of an illegal use of force. This book will be of great interest to researchers and students of international law, conflict and Security Studies in general. 88 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Beaucoup de phénomènes physiques ou chimiques sont gouvernés par des équations aux dérivées partielles décrivant l'évolution du constituant à étudier. Connaissant tous les paramètres du système, la géométrie du domaine, les conditi…ons aux limites et initiales, les coefficients dans les équations, le modèle à résoudre constitue un problème direct. Par contre si certains paramètres dans l'équation sont inconnus et si on peut déterminer ces paramètres à partir de données expérimentales ou à partir des valeurs à l'instant final dans un problème donné, l'identification d'un tel paramètre constitue un problème inverse. Un problème inverse est donc un problème dans lequel on cherche à déterminer les causes d'un phénomène à partir des observations expérimentales de ses effets. Un exemple type est celui de la sismologie pour lequel la détermination de l'origine d'un séisme se fait à partir des mesures des amplitudes faites sur la surface de la terre . Une des sources importantes des problèmes inverses est l'hydrogéologie, ou l'étude des nappes phréatiques, le le contrôle des polluants dans les nappes d'eau souterraine est l'un des problèmes d'actualité. 92 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -A considerable amount of money for high-energy consumption is spent in traditional buildings located in hot climate regions. High-energy consumption is significantly influenced by several causes, including building materials, orien…tation, mass, and openings' sizes. This paper aims to identify these causes and find practical solutions to reduce the annual cost of bills. For the purpose of this study, simulation research method has been followed. 88 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Increasing trend has been observed in the frequency of disaster related to natural hazards. More alarmingly, the hazards are costlier than ever with the volume of insured losses being quite low in proportion to the overall losses.…As much as this phenomenon establishes the need of effective risk reduction; it also sets the stage for working towards resilience as a broader vision and strategy. The concept of 'en route from risk reduction to resilience' can be materialized by a number of means. This book suggests the practice of sustainable livelihood framework, where risk reduction serves merely as a component of the overall resilience. 52 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -We consider on the real line, a differential-difference operator called Jacobi-Dunkl operator. This operator, like the others of Dunkl type, plays an important role in the description, in quantum mechanics, of the exactly resolvabl…e models of Calogero-Morse-Sutherland. Its eigenfunction admits a Laplace integral representation whose kernel allows us to define the Jacobi-Dunkl transmutation operators that are shown to be positive. Then, for the Jacobi-Dunkl transform, we formulate inversion formulas and a Paley-Wiener theorem. Using the properties of the transmutation operators and the estimates of the heat kernel, we obtain a version of the Cowling-Price and Hardy theorems for the Jacobi-Dunkl transform. In the case of a bounded interval, we show that the eigenfunction of the Jacobi-Dunkl operator, equal to 1 at zero, is a trigonometric polynomial, related to the Jacobi polynomials. Then, we give a Laplace integral representation of this function called Jacobi-Dunkl polynomial. Finally, we study the harmonic analysis associated with this operator. 88 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The effect of aqueous extract of UAE Neem (Azadirachta Indica) on the corrosion inhibition of carbon steel in 1.0MHCl solution was investigated electrochemically, and by weight-loss experiments at temperatures ranging from 303 to 3…43 K. The percentage inhibition increased with the increase of the concentration of the inhibitor. At a concentration of 2.0 g/L, the percentage inhibition reached about 87% at room temperature and 80% at 303 K. The percentage inhibition decreased with the increase of temperature. The thermodynamic parameters for the adsorption of this inhibitor on the metal surface were calculated using the Temkin adsorption isotherm. The aqueous Neem leaves extract was found to be an excellent potential corrosion inhibitor because of the high content of tannin content as well as the presence of a series of complex triterpene glycosides. 52 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book consists of three philosophic essays: Hume on Empirical Scepticism; John Macmurray: Freedom as the Capacity for Friendship;Sartre's Nausea and Camus'Absurd: Outlining Differences. The first essay suggests that the axiomat…ic emphasis of Hume's philosophic enterprise, as it is formulated in his first and main book A Treatise of Human Nature (1739), is that thought should first return to common sense, before (perhaps) venturing into any further realms of conceptualization. He insists that no philosophic inquiry will ever get us beyond the everyday experiences or furnish us with norms of behaviour other than those which are the outcome of reflecting on our ordinary modes and matters of life. In The Second essay Macmurray's suggestion, in Freedom in the Modern World, that 'we shall never solve our economic troubles except in solving the dilemma in our spiritual life which produces them' is discussed in relation to his characterization of freedom as the capacity for friendship. The third essay simply ventures to present a phenomenological characterization of what Sartre's Nausea and Camus' Absurd signify and how they do existentially differ. 64 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -What do you want from a social network networks that you spend most of your time in them. what this networks's marketers want from you Ever wondered Your smallest behavior is observed in this networks and Is valuable for businesses… I'll tell you how your face in these networks is and What will give your behavior to marketers. Then you can plan for the your tiniest behavior in these networks. I'll tell you about trust and justice and how they can affect your performance in your environment. 60 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book included six papers. The first paper focuses on studying factors affecting shoot organogenesis of eight tomato genotypes and testing some tomato genotypes for salinity tolerance in vitro. The second paper concentrates on…the clonal propagation in garlic plant. The third paper deals with the production of secondary products from garlic plant. The fourth paper investigates the effect of benzylaminopurine concentration and number of subcultures on behavior of some strawberry cultivars in vitro. The fourth paper investigates the field performance of micropropagated strawberry plants derived from different subcultures and media containing different benzylaminopurine concentrations, and the final one describes a protocol for the large scale production of haploid plants by unpollinated ovules culture in squash (Cucurbita pepo L.). This book will be useful for readers interested in understanding application aspects of the tissue culture techniques in the agricultural sector. 100 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Seroprevalence and Molecular Detection of Hepatitis Delta Virus (HDV) among Hemodialysis Patients and Blood Donors in Khartoum State,Sudan By Osama Mohamed Mohamed khair Ali B.Sc in Biotechnology Omdurman Islamic University (2009)…Working experience - (102009 - 122011) Teaching assistant at Omdurman Islamic University, Faculty of Science and Technology, Department Biotechnology. - (82010 up to now) Researcher at Department of Virology Central laboratory Ministry of higher education and Scientific research experienced a wide variety of research techniques including research methodologies, data analysis presentation of results, discussion of finding and further research recommendations. - (October 2011 - 2013) Teacher assistant at department of Molecular biology faculty of Medical laboratory university of science and technology. - (june2014 - up to now) lecturer at department of Molecular biology faculty of Medical laboratory university of science and technology. - (October 2016 - up to now) trainer of Molecular biology at seven vision training center and human resources. 64 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This educational study is carried out to investigate the effectiveness of chemotherapy by monitoring the Quality of Life index of patients. To attain the objectives a batch of 114 patients are investigated at Irnum Hospital Peshawa…r and their Quality of Life is examined before and after the treatment. Amongst those, five patients refused to respond to the survey while nine died during the treatment and finishing up with a total number of hundred respondents of the study. The bunch of patients is dominated by the female endowers, pointing towards that girls are vulnerable to breast and reproductive system cancer whereas males are mostly suffered with mouth and stomach cancer caused by addiction of tobacco and alcohol. Some other common risk factors of cancer are the infection of injuries, exposure to X-rays in laboratories, extensive physical exercise and genitival problems. Most of the patients are from rural area of the province and are unaware of the disease, as most of the patients are uneducated. A very small proportion of the patients belonged to upper class with monthly income more than 50,000 PKR per month. 84 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The main contribution of this book is to explain a new Extremum Seeking Controll design to the state-feedback and input-output feedback linearizable for Single-Input Single-Output (SISO) nonlinear system problems. The control, PESC…, solves a new performance (cost) function problem for driving this function to the maximum value and keeps the system in stable case. A stability analysis technique is used to steer the system to its unknown extremum. The new Extremum Seeking Control based based dynamic control approach is implemented in the way so that it can be easily understood and makes it quite practical. The performance function can reach its maximum value by applying this controller to the observer of SISO nonlinear systems. The tow applied controllers in this book can take care of the maximizing of the cost function. 56 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Energy use in buildings accounts for a significant percentage of greenhouse gas emissions worldwide. Thus architects are responsible to adapt their designs to avoid this. There is an insisting need to apply zero energy building con…cepts in buildings, and since a poor design of building envelope can greatly affect the building performance, therefore this book focuses on zero energy building concepts for the building envelope. 64 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This work is a contribution to understand the corrosion and corrosion inhibition of iron base glassy alloy by thiosemicarbazone derivatives in absence and presence of chloride (Cl-) or bromide (Br-) ions in Na2SO4 solution Effect o…f chloride and bromide ions on the corrosion(88-105) and corrosion inhibition(106-117) of steel had been studied in different media. It was observed that these ions can stimulate and/or inhibit the corrosion of steel in different media. Fe78B13Si9 metallic alloy often do not form passive films in aggressive environments and therefore it is essential to control the corrosion of this alloy by some means , the use of inhibitors is one of these ways, which is widely used to control the corrosion of metallic meterials. This investigation consists of studying corrosion and corrosion inhibition of Fe78B13Si9 metallic alloy in sodium sulphate solution using some thiosemicarbazone derivatives . The study is carrid out by: (I) Electrochemical methods (Polarization and impedance measurments) at 30 C 220 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Elimination by Zeolite LTA is a very effective technique for the removal of heavy metals from aqueous solutions. Zeolite LTA is very good adsorbent for elimination of lead and zinc ions from aqueous solutions economically. The zeol…ite LTA crystallization from clay was studied under the conditions such as the concentration of alkalinity (5M NaOH), reaction, temperatures (100oC), the reaction times (2h) in addition to, the calcination of kaolin samples was an important factor that influenced on the zeolite LTA synthesis. Its applications in the elimination of heavy metal ions such as Pb2+, Zn2+, Cu2+, Ni2+ were studied and showed excellent results. The elimination of Cu2+, Ni2+, Pb2+ and Zn2+ in zeolite LTA was investigated and The selectivity sequence for ions removed was Pb2+Cu2+Zn2+Ni2+. 136 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -A key finding of the research study is that the regulatory environment, which is described as 'highly restrictive,' neither enabled nor constrained strategic renewal behaviors of the case organizations, mainly as a result of the ty…pe of industry regulation (social regulation) that was found to exist in the print newspaper publishing industry in Saudi Arabia. Other findings include the enabling effects of the top management team, technology adoption, and new competition on the strategic renewal processes of the three case organizations. 312 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -By the time that we find many problems in power saving procedures also, increasing earth temperature and raising thermal chocking phenomenon in earth all that lead us to develop our thermal applications such as air conditioners , s…olar heaters and heat exchangers the order that make this case have wide area of researchers brain. Heat pipe is considered as a thermal application that transport heat from source to sink efficiently as compared to other common method like fins or extended surfaces. this applicant has used in heat exhangers of chilling system as a case study to reduce some of heat degree in evaporator side that tend to reduce the consumed power approached to 20%, in the same time being heat pipe dose not have complex design the order that make its manufacturing is available in wide range of countries over world . in this book we tended to study the work of heat pipe by using many wick structures under R134 and R502 as working fluids. also, we suppose an adopting to manufacture it in a way which increase its behavior 100 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Children with Erb's palsy often have residual weakness limiting their participation in many activities. Plyometric training is used to improve muscle power. The aim of this study was to determine the effect of plyometric training o…n shoulder strength and functional activities in children with Erb's palsy. Forty children with unilateral obstetric Erb's palsy were randomly assigned into two groups; the control group received a selected physical therapy program and the study group received the same physical therapy program in addition to plyometric training. All children received 6 weeks of training and were assessed before and after treatment for shoulder strength and functional activities using hand-held dynamometer and the active movement scale. Significant improvement was found in all measured variables of the control and study groups when comparing their before and after treatment mean values except for the active shoulder external rotation movement of the control group. Plyometric training combined with physical therapy program may improve shoulder strength and functional activities in children with Erb's palsy. 116 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Still in this era the surface water collected in the most areas of the world is the chief source of drinking water. However this water quality is objectionable. Typical problems regarding the use of surface water are presence of su…spended solids, colloidal particles, turbidity, and agriculture runoff. Roughing filters are one of the economical solutions to remove the suspended particles from the surface water. Lab scale setup of three roughing filters was designed and operated using synthetic raw water of high turbidity, having turbidity up to 200 NTU. Turbidity of the influent water was maintained by intermittent manual mixing and flow rate of the influent water was maintained by using the pipe and valve assembly. Three filters were have different size of media and were operated at three different loading rates i-e., 1.1 m/hr, 1.5 m/hr and 1.9 m/hr. It is concluded from this study that 1.5 m/hr hydraulic loading rate and 8-12 mm media size is most appropriate to operate the roughing filter. Hypothesis of the study is that 'rapid filtration theory can be applied to roughing filters. It is concluded from this study that rapid filtration theory can be applied to roughing filtration. 128 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -A power amplifier (PA) is a fundamental component in the transmitters. When the signal bandwidth is increased, memory effects are appeared and are not negligible. These distortions and interferences reduce extremely the performance… of the transmitter system. In order to transmit the high-quality signal and have a system with high efficiency, the solution is compensating the nonlinearity of the power amplifier by the linearization methods. There are several linearization techniques to improve the efficiency power amplifier. Some of these methods include feedback, feedforward, and predistortion. One of the advantages of pre-distortion linearization method compared to other methods can be noted to the low cost and implementation complexity reduction. Generating the nonlinearity distortion prior to the power amplifier is called the predistortion (PD) such that the generated nonlinearity can remove the inherent nonlinearity of the power amplifier. The predistortion can be utilized in the baseband domain and then be implemented by digital signal processing (DSP) methods. 108 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The optical networks need to carry out all the switching and routing in optical domain to avoid the bottleneck imposed by the optoelectronic conversions. Optical switching is an essential element in the optical networks, in particu…lar; the switches architecture. The crossbar switch architecture is presented as proposed switch architecture based on symmetric Mach-Zehnder (SMZ) interferometer configuration as switching elements(SEs). The numerical results for SMZ shows the complete switching of the input power to the desired output port. 96 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Pleased to present this book about the value of Magnetic Resonance Imaging (MRI) versus Ulrasonography (US) in evaluation of fetal chest. All gratitude and respect goes to my professors in Radio-diagnosis department Cairo Universit…y prof.dr Dorria Salem, prof.dr Sohaa Talaat and prof.dr Noha Beheiry for their continuous guide and support. Hope the reader finds this book useful ,informative and interesting as well . 108 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Retinal vein occlusion ( RVO ) causes significant visual loss in patients with medical diseases especially systemic hypertension . Centrally involving macular edema is the main cause of loss of vision in such patients . previous tr…eatment strategies for macular edema involve argon laser retinal photocoagulation , Radial optic neurotomy, intravitreal injections of steroids but recently the introduction of anti-vascular endothelial growth factor medications represents a breakthrough and has revolutionized the treatment of retinal vein occlusion associated macular edema in addition to the beneficial effect of suppressing the risky retinal neovascularization . Ranibizumab ( Lucentis ) is one of the most commonly used Anti-VEGF drugs in treatment of macular edema associated with retinal vein occlusion RVO whether the central type ( CRVO ) or the branch type ( BRVO ) . 100 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 49,90
EUR 23,00 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book presents an effective approach to detection, classification and isolation (location) of faults in transmission line systems. The objective is to implement a complete scheme for distance protection of a transmission line s…ystem. In order to reach this goal, the distance protection task is subdivided into different neural networks for fault detection, fault identification (classification) as well as fault location in different zones. The other purpose of this work is to study and compare the application of three different neural network architectures for the protection of the transmission lines. The considered three approaches are back-propagation, radial basis functions and support vector machines. Simulation results are provided to demonstrate the advantages and disadvantages of these structures when applied to the problem of transmission line protection. 104 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 49,90
EUR 23,00 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Hepatocellular carcinoma is one of the most common malignancies in the world. HCC development is a multistep and complex process and DNA methylation is a main epigenetic mechanism involved in hepatocarcinogenesis. The methylation s…tatus of CpG islands has been shown to be involved with oncogene activation and tumor suppressor gene inactivation. Promoter CpG island hypermethylation may be a potential biomarker for early detection of HCC. 416 HCV related chronic liver disease patients were enrolled in this study and assigned into 208 HCC patients; 108 patients with HCV related liver cirrhosis; 100 patients with chronic hepatitis C. In addition to 100 participants who were enrolled as control group. Methylation status of tumor suppressor genes; p14, P15&P73 and the DNA Mismatch repair gene (O6MGMT) was analyzed by using EpiTect Methyl qPCR Array technology. Methylation frequency could be used to monitor whether the patient with chronic hepatitis C will be subjected to liver cirrhosis or even HCC. So, we can conclude that methylation process may be an early event in hepatocarcinogenesis. 96 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 49,90
EUR 23,00 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Future development and applications of accelerators and electron devices in the fields of free electron lasers (FELs), high-frequency vacuum electronics, high-power microwave devices, and electron beam lithography are partially res…tricted due to the electron source brightness. A high brightness electron gun with small emittance and high average beam current is one of the key goals in current technological developments. RF electron guns have the ability to reduce emittance growth due to the space-charge effects. Among RF guns, thermionic guns are quite attractive because of their simple configuration with no high voltage stage or complicated laser systems. In addition, the high acceleration reached in the gun cavity (up to 100 MV/m) can easily compress the bunch lengths to have sufficient peak current for FEL driving. On the other hand, Back Bombardment (BB) effect limits the wide usage of Thermionic RF guns worldwide. In this book, BB phenomena, associated effects and method of mitigations are presented. Numerical Model for simulating the effect of back bombardment in thermionic RF gun is used to discus the phenomenon. 104 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 32,90
EUR 23,00 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Cette recherche a pour objet l'étude des antécédents et des conséquences des attributions causales du phénomène d'exclusion scolaire du handicap. Son objectif principal consiste à mettre en évidence les facteurs psychosociaux entra…vant l'intégration scolaire des enfants en situation de handicap mental dans le contexte scolaire marocain. Pour ce faire, une enquête par questionnaire a été menée auprès de quatre échantillons représentatifs de parents d'enfants dits handicapés mentaux, de parents d'élèves dits valides, d'enseignants et de directeurs d'écoles élémentaires. Les résultats de cette investigation ont démontré que le comportement potentiel des différents acteurs de l'école vis-à-vis de l'intégration scolaire du handicap mental est généré par leurs attentes envers les effets de cette intégration sur les élèves dits handicapés et sur les élèves dits valides. Ces attentes sont, elles-mêmes, déterminées par leurs attributions causales du phénomène d'exclusion scolaire du handicap. Leurs attributions ont pour origines leurs représentations sociales du handicap. 116 pp. Französisch.
