Noor publishing dez 2016 (189 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 -Progesterone (P4) is a key for minimizing days of non-breeding season in goat, thus does can reproduce throughout the year for useful productive purposes if they are stimulated by P4 in the non-breeding season. P4 is an essential a…gent in the transition from non-breeding to breeding season, without P4, the behavioral centre of brain will not become sensitive to estrogen and the estrous behavior will be invisible 'silent ovulation'. This is a characteristic of first ovulation of breeding season. Once the animal goes into luteal phase post-first ovulation, the behavior center receives sufficient priming with P4 to make it sensitive to estrogen produced at the next ovulation which is mostly accompanied by the estrous behavior. After the non-breeding season, many females show silence ovulations or 5 -11 days short estrus cycles in goats due to prematurely regressing CL. Generally, to shorten the non-breeding season days or to increase the fertility during anestrous season by using P4 remains critical question, hence the main goal of this study is to investigate percentages of P4 in Damascus does in non-breeding and breeding seasons, this may minimize days of non-breeding season. 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 -Lyme disease is the most common tick-borne disease in North America.Borelli burgdorferi sensu lato complex, the pathogen that is responsible for the disease. The black-legged tick (or deer tick), Ixodes scapularis, carries the bact…eria and spreads it when feeding on the blood of animals and humans in north-central United States, and Western black-legged tick (Ixodes pacificus) does so in the western U.S. The disease name came from the town of Lyme, Connecticut, where a number of cases were first identified in 1975. At least 70 North American passerine species are known to be parasitized by immature black-legged ticks.Previous studies have shown that bird species can be infected with B. burgdorferi and dispersing or migrating birds have the ability to increase the ranges of both B. burgdorferi and I. scapularis. My work predicts that there would be a positive relationship between Lyme disease rates and bird numbers for species known to be infected with the pathogen, and there would be no relationship between Lyme disease rate and bird numbers for species not known to carry the pathogen. 72 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 -One corn (Zea maize L.) cultivar was used in this study (Giza 643), for its competence during the course of tissue culture, to improve its tolerance to salt stress via genetic transformation using glycerol-3-phosphate dehydrogenase… (GPD1) gene isolated from Egyptian isolates of yeast (Saccharomyces cerevisiae) grown under salt and osmotic stress at concentrations 2M NaCl and 2M sorbitol, respectively. using simple and economic technique called Fluorescence differential display (FDD). 104 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 many real-world classification problems the local structure is more important than the global structure and in the dimensionality reduction algorithms such as principle component analysis (PCA) it preserves the global structure…of the dataset and ignores the local structure of the dataset, therefore this book introduce the Locality Preserving Projections (LPP) algorithm that is preserving the local structure of the datasets. LPP is a linear projective maps that arise by solving variational problem that optimally preserves the neighborhood structure of the data set. The aims of this book are to compare between PCA and LPP in terms of accuracy, develop appropriate representations of complex data by reducing the dimensions of the data and explain the importance of using LPP with logistic regression. The methodology of this book compared the proposed LPP approach with PCA method on five different data sets using dimensionality reduction toolbox (drtoolbox) in matlab software and evaluation the model using cross validation method and then calculated the performance measures(accuracy, sensitivity, Specificity , precision, f-score and roc curve) of both. 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 -While advances in health technology over the last several decades have greatly improved life span and welfare in society, it is often perceived that the cost of these innovations has not been adequately offset by their benefit. Inc…reased health care budgets in most countries have emphasized the need to demonstrate value for money from expenditure on health technologies. This book aims to establish measures that secure the provision of safe and effective quality medicines to Sudanese patients at reasonable prices.The strategies that are advocated throughout the book are based on the premise that the best value for money does not necessarily mean the lowest initial price option, but rather the best return on the money spent to meet the population's need for medicines and other medical technologies. 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 -This book features treatment of synthetic wastewater containing fluoride and nitrate ions by using surface modified laterite soil. Drinking water containing high amount of fluoride and nitrate can cause serious health hazards to th…e people across the globe like fluorosis, neurological disorders in severe cases, methemoglobinemia etc. Hence it is required to keep the concentrations of fluoride and nitrate well in the limits prescribed by WHO. The present study has been undertaken to prepare efficient fluoride and nitrate adsorbent from raw laterite by acid, followed by alkali treatment to modify the surface characteristics. Batch experiments were performed to study the adsorption of fluoride and nitrate ions on Treated Laterite (TL) adsorbent with fixed size. Characterization of TL was carried out using various techniques such as BET Surface Area Analysis, FTIR, XRD, FE-SEM and EDAX. Effects of process parameters like pH, Adsorbent dose, contact time and initial ion concentration on the removal of fluoride and nitrate from synthetic water have been investigated using TL as adsorbent to determine optimum process conditions for maximum removal. 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 -Last couple of decade witnessed a rapid escalation in urban temperature of Peshawar city and its neighboring localities. This alarming condition gave birth to climatic term Urban Heat Island (UHI) created drastic alteration in surf…ace temperatures. This research study predominantly emphases on spatiotemporal extensions of urban area of Peshawar span over 33 years from 1978 to 2011; its adverse impacts and contributions to climate and environment during 1931 to 2011. To probe these interventions, meteorological data, Satellite's temporal imagery of Landsat ETM+ and TM, anthropogenic and demographic secondary data were congregated. In relation to map out land cover changes, maximum likelihood classification algorithm and followed by change detection techniques were applied to study area. In this study, thermal infrared remote sensing data has been employed to map out and monitor such micro-climatic variation in temperatures in land use/land cover exposed surface to environment. The outcome of this process was further subjected through Geographic Information System (GIS) overlay analysis which suggests a clear straggle in urban area. 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 -Light, matter, and gravity, three phenomena that each one of them has a controversial nature. Since the beginning of modern physics, the nature of light, matter, and gravity have brought bizarre and odd concepts to our understandin…g. Particularly, I am interested in three questions: Wave is light Where do matter waves come from Why is the space-time curved by a mass Through a theory that has been introduced recently, I hope to answer these questions with an acceptable degree of satisfaction. 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 book is a collections of my researches, in which I presented a new laboratory calibration method for Electronic Distance Measurement instruments (EDM), study the accuracy of contour maps generation, solving circular curve prob…lems with direct method and present three new cases in the circular curve solution , check the accuracy of digital compass and enlargement of sighting distance of the digital level. 72 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 collaboration between two universities King Abdulaziz University (Saudi Aribia) and Tokai University (Japan), to design build and fly test a long endurance day and night flight Solar Unmanned Aircraft. A software was developed, w…ind tunnel test was conducted, research was done, and finally performed a successful test flight. The design was done with appropriate aerodynamic attributes, power requirements and other flight mission constraints to keep the vehicle airborne for multi day and night operations. The aim of this book is to summarize the work done in this project. 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 -Alopecia or Hair loss is the absence or thinness of the hair . Androgenetic alopecia is commonly referred to as male pattern hair loss or female pattern hair loss in genetically susceptible men and women .This study evaluated the e…ffect of cyproterone acetate, minoxidil, and finasteride on hair growth in mice. Seventy five albino-webster male mice were included in this study, they were divided randomly into five groups, each one included 15 mice . One day before starting the experiment the dorsal skin of each mouse was shaved by an electric shaver, then stained by using commercial dye, and then the animals were photographed. . Hair follicles diameter: significant increase in diameter of hair follicles occurred with cyproterone acetate Hair growth: Significant hair growth ( P-Value0.05 ) occurred with cyproterone acetate 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 -This book is a research into the linguistic motivation of five undergraduate students from the Gaza Strip. It reports on their motivation to learn English in such a highly particularised context. Other intersecting themes are invol…ved such as: power, identity construction, and the status of English as a global language. Results have revealed interesting insights into the types of motivational domains that have emerged from the testimonies of those young people. 76 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 -DC photovoltaic pumping system is presented in this paper. Solar DC pump needs less solar panels to run than the AC pump. The system is divided into three parts; photovoltaic (PV) array, boost converter and permanent magnet (PM) dc… motor-pump set. Solar cells have nonlinear I-V characteristics, efficiency of PV module is low and output power depends on solar isolation Level and ambient temperature. A great loss of power is due to mismatch of source and load. So to extract the maximum power delivered to the load from PV array, MPPT is implemented in the boost converter circuit. Each part of the system is modelled. The system is simulated using Matlab/Simulink .The proposed system is studied with and without maximum power point tracking conditions. The results show a very good performance and efficiency of the overall system when using MPPT compared with direct coupling. The system is studied under various climatic conditions. 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 -Understanding the underlying architecture of biological networks has been one of the major goals in systems biology and bioinformatics as it can provide insights in disease dynamics and drug development. Such GRNs are characterized… by their scale-free degree distributions and existence of network motifs, which are small subgraphs of specific types and appear more abundantly in GRNs than in other randomized networks. In fact, such motifs are considered to be the building blocks of complex networks and they help achieve the underlying robustness demonstrated by most biological networks. The goal of this thesis is to design biological network growing models. As the motif distribution in networks grown using preferential attachment based algorithms do not match that of the GRNs seen in model organisms like E.Coli and yeast,we hypothesize that such models at a single node level may not properly reproduce the observed degree and motif distributions of biological networks. Hence, we propose a new network growing algorithm wherein the idea is to grow the network one motif at a time.The accuracy of our algorithm was evaluated and show better performance than existing network growing models. 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 -Regular physical activity provides young people with substantial physical, mental and social health benefits. Schools and universities with adequate and safe facilities, dedicated time, and good examples from teachers, stimulate ch…ildren and young people to be more physically active. School-age physical activity positively influences adult physical activity and the public health of the general population. Teachers and support staff with higher levels of physical activity in midlife have better mobility and health in old age and are more likely to encourage physical activity. This study estimated the level of physical activity among the teaching and the support staffs working at the educational institutions in Duhok city, Iraq, using a modified version of the short International Physical Activity Questionnaire (IPAQ). The study also examined the relationship between the level of physical activity, and type of job, age, gender, sitting or sedentary time, body mass index, and weather. Such estimation makes a background for continuous surveillance and improvement of the level of physical activity among the studied population and the general public. 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 -n-type indium antimonide-Au hybrid structure were successfully fabricated on glass or p-GaAs substrates by flash evaporation technique. n-type indium antimonide-Au van der Pauw (vdP) shape hybrid structure fabricated on glass subst…rates shows an enhancement of room temperature magnetoresistance reaching about 900% greater than the traditional shape at the ratio a/b~12/18 or 13/18 and at magnetic field 7.905 kG. Despite the InSb films were deposited on glass substrates with macro-dimensions, the obtained MR results are considered promising from our point of view. n-InAs-Au hybrid structure were successfully fabricated on glass substrates by flash evaporation technique. The XRD and EDX results give a support for the quality and stability of the prepared n-InAs films. n-InAs-Au van der Pauw (vdP) shape hybrid structure fabricated on glass substrates shows an enhancement of room temperature magnetoresistance reaching about 750% greater than the traditional shape at the ratio a/b~12/18 and at magnetic field 7.905 kG. 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 -Most browse species in Africa play a vital role for satisfying needs of local communities and households, including goods and services. Browse shrubs and trees are obviously important for animals, especially in the arid and semi-ar…id zones where they are very important for livestock, especially in the summer period when grassland growth is limited or dormant, due to unfavorable weather conditions. Despite this importance, research and development efforts are very limited with regard to trees and shrubs, and knowledge of browse in terms of production, utilization and other related information under semi-arid conditions is still lacking. This requires improving methods and techniques to be used to determine the available browse, and also requires more investigation to enable attaining conservation, protection or improvement. This study aims to investigate the existing situation and the potential of browse in semi-arid areas. 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 -Foreign Currency Exchange market (Forex) is a highly volatile complex time series for which predicting the daily trend is a challenging problem. In this book, we investigate the prediction of the ' high ' exchange rate daily trend…as classification problem (two classes), with uptrend and downtrend outcomes. Foreign Exchange (Forex) market trend was predicted using classification and machine learning techniques for the sake of gaining long-term profits. The trading strategy here is to take one action per day, where this action is either buy or sell based on the prediction we have. We view the prediction problem as a classification task, thus this work is not trying to predict the actual exchange rate value between two currencies, but rather, if that exchange rate is going to rise or fall. Forex daily exchange rate values can be seen as a time series data and all time series data forecasting and data mining techniques can be used to do the required classification task. 112 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 provides an overview of leadership and leader work in general, detailing the most important roles, skills, challenges, abilities and goals that a nursing leader needs to employ to be successful. The first chapter details…the context of healthcare. This is followed by an overview of the literature of health service leadership, describing the similarities and differences between health service leadership and its more generalized leader counterpart. Later, this book provides a review of studies and articles written about hospital leadership. Moreover, the book elucidates the role, skills, challenges and educational needs of health service leaders, while the last chapter summarizes this book. A review of the research related to the health leadership role is presented. The present book aims to understand the nature of the head nurses' leadership styles and to evaluate their perceptions of their most important roles, skills and training courses. Also, this book aims to recognize the challenges, obstacles and problems facing head nurses and to examine the degree of their impact on health outcomes. 124 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 -Ce fascicule présente de manière claire et détaillée, le cours de mécanique du point matériel. Il traite la cinématique, la dynamique, le travail et l'énergie et il termine par des applications, sur des systèmes conservatifs, comme… le cas d'un oscillateur harmonique. Ce cours possède la particularité d'avoir un langage précis et intuitif, il justifie et démontre, et prend la peine de bien expliquer les notions et les principes de base de la mécanique classique du point matériel. Il donne des exemples d'application ciblés permettant de mieux assimiler les concepts théoriques observés dans des exemples réels de la vie courante. Ce travail est destiné, aux étudiants universitaires de la licence de physique et aux étudiants de classes préparatoires aux grandes écoles. Il vise une formation de qualité supérieure. 72 pp. Französisch.
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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 Iraqi war represents a form of coercive diplomacy between words and war in the enforcement of international norms and is considered as a new and old notion at the same time. This holds true ever since the days of the Desert Sto…rm: the war waged to liberate Kuwait. This mechanism was launched in 1990 under the title of the war to liberate Iraq or the punitive war, the core idea of which would correspond to the purposes and motivations of the 2003 war. This study begins with a review of the literature, both for background information and for the identification of variables of the events and factors in this issue. This war is analysed in relation to the US objectives in the region when it comes to maintaining its interests, ensuring security for its allies and dominating the whole region. This study investigates the controversy surrounding the case of 2003 war on Iraq, which is embodied in the plural reasons for the war. The situation in Iraq is of course still a subject for debate, as the country has experienced a stalemate for some years now. 112 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 high reproductive efficiency of rabbits allowed their usage as a model in basic and applied reproductive technologies such as artificial insemination (AI), in vitro fertilization (IVF), intra-cytoplasmic sperm injection (ICSI),… embryo transfer (ET) and cloning by somatic cell nuclear transfer. Improving the genetic selection and reproductive management increased commercial rabbit breeder profitability. 112 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 -Social networking became popular and they attract many other businesses as the social networks generate wealth of data that is useful for various organizations and researchers. The information being exchanged in social media includ…e many forms of data known as multimedia. The conventional approaches do not work for mining such data as the data is of many types and from diverse sources. In order to handle such data and discover emerging topics, the recent approach was to use user links base on the tweets, mentions and replies. The probability model is used for anomaly detection in order to find the emergence of new topics. This knowledge will give provision for many associated businesses to make well informed decisions. For instance an advertisement agency can make use of this knowledge and post advertisements accordingly. When messages of being flown anomaly are detected and the anomaly score is computed and then aggregated to detect emerging topics accurately. This is practically implemented in this project. A prototype application is built to demonstrate the proof of concept. The empirical results show that the proposed approach is efficient and capable of finding emerging topics 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 -Patient satisfaction is an important and commonly used indicator for measuring the quality in health care. Patient satisfaction affects clinical outcomes, patient retention, and medical malpractice claims. It affects the timely, ef…ficient, and patient-centered delivery of quality health care. Patient satisfaction is thus a proxy but a very effective indicator to measure the success of doctors and hospitals. This article measures the degree of satisfaction of patients with diabetes mellitus treated in Dasman diabetes institute in Kuwait and its relation with demographic characters of the patients ,and the relation between patient satisfaction and adherence to treatment given to those patients. Professor Dr Ibrahim El Bayoumy Professor of public health and community medicine Tanta faculty of medicine-Egypt 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 -This book introduce valuable information about fullerene and their different families. In addition it introduce enough information about polymer -containing fullerene and their preparation, characterization, and applications. The e…xperimental work of hydroxylation of fullerene and endohedral metallic nitride fullerene will be presented here, as well as, the method of synthesizing the polyurethane-containing fullerene will be presented. 128 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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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 -The building envelope is an essential core factor that affects on the amount energy required for building heating and cooling load demand. This book present the potentials of kinetic shading facades towards enhancing the indoor the…rmal comfort conditions in residential buildings its effect the energy consumption required by air-conditioners for the building cooling and heating demand. Experimental investigation of thermal conditions of existing residential building was carried out during summer and winter sessions of 2016 at Alexandria, (northern of Egypt). Moreover, the computational study is implemented to predict indoor thermal comfort conditions and energy savings at different climate regions of Egypt. The experimental results show that the improvement in thermal comfort conditions using the kinetic shading system in north part of Egypt during the summer season is about 66.41%. While, in winter, the comfort conditions improvement reaches to 19.11% and the energy consumption was decreased by 25% in the summer period and 19% in winter sessions. 124 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 -The rapid exponential growth in wireless technologies and the need for public safety has led to increasing demand for location based services. Clearly, a great deal of attention has been given by both academic research and commerci…al enterprise to find a method that deals with a user's position with high accuracy. Terrestrial cellular networks can offer acceptable position estimation for users that can meet the statutory requirements set by the Federal Communications Commission (FCC), 100m (67%) and 300m (90%) in case of network-based positioning, for safety regulations, such as E-911. This is especially the case, with the emergence of third generation partnership project (3GPP) long term evolution (LTE) that can achieve good accuracy, since it provides excellent coverage, especially in urban and indoor environments. A comparative study between Radio Frequency Pattern Matching (RFPM) method and two other existing methods (OTDOA and Enhanced Cell ID using AOA) has been achieved successfully. From the final results, the RFPM method has shown better performance, from the viewpoints of accuracy, simplicity and deployment cost. 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 -Play skills are important in children's general development. Because the lack of visual information affects all aspects of development in the early years, children with blindness or visual impairment adopt play styles that are diff…erent from their sighted peers of the same age. children's general developmental was assessed using the Bielefeld Observation Scale-Blind Scale (BOS-Blind). Play behaviors were filmed then rated using the Play Development Scale for Blind and visually impaired children (PDS-BL) during the three months of the intervention program. Parents of the participants filled a questionnaire during the weekly home visits, recording their child's play behaviors, play materials, and the involvements of adults or siblings during play time between the sessions. Parents also wrote in a logbook their comments and concerns about their children with visual impairments and the effects on their lives. 108 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 -Incorporation of biofunctional compounds (polyunsaturated fatty acids) with feed is an effective way for gonadal maturation, which would enhance spawning of fish without any hazardous effects on health and thus it is possible to sa…ve the vulnerable fish species from the danger of extinction. In the present study Nandus nandus was used as a model to understand the involvement of polyunsaturated fatty acids in the process of improved reproductive performances and early oocyte maturation that resulted in spontaneous spawning, which was extended to improve rearing techniques to get better quality of fry and fingerlings of this fish species. Embryonic and larval developmental stages were also studied, which was for the first time for this endangered fish species. For the confirmation of polyunsaturated fatty acids induced reproductive performances sperm quality, histological structure of the liver, developmental stages of ovary, level of serum Ca2+ concentration, embryonic development and larval growth were investigated. The experiment suggests that supplementation of dietary polyunsaturated fatty acids eventually improve the spawning performances of fish. 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 -Two-spotted spider mite (T. telarius, T. cinnabarinus and T. urticae) is considered one of the major pests causing considerable damage to cotton fields. Laboratory and field experiments were carried out to study the efficiency of t…hree herbicides, three acaricides and the interaction between them on population and fecundity of the mite. Laboratory experiments,the ovicidal action of dicofol-dimethoate, triazophos and vamidothion and susceptibility of T. telarius adults to the acaricides were studied. Field experiments, tow field experiments were conducted to study the effect of: 1. Three herbicides namely fluometuron, butralin & as well am hoeing and unweeded treatments.2- Three acaricides namely dicofol -dimethoate, triazophos & vamidothion. 3- Interaction between 1 and 2 treatments on population of two-spotted spider mite T. spp (T. telarius, T. cinnabarinus and T. urticae).Combined data for both seasons indicated that weedy cotton harboured the highest mite population that surpassed significantly that of herbicide treated cotton, but was the same as that of hoed cotton. Twice hoeing caused 21.2% reduction in mite population while 39.8%, 40.7% & 46.5 % reductions for three h. 100 pp. Englisch.
