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1. |
Record Nr. |
UNINA9910580217503321 |
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Autore |
Komlósi István |
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Titolo |
Poultry: Breeding, Health, Nutrition, and Management |
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Pubbl/distr/stampa |
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Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 |
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Descrizione fisica |
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1 online resource (196 p.) |
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Soggetti |
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Biology, life sciences |
Cultural studies: food and society |
Research and information: general |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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Being the largest animal protein producer, the poultry industry is in the focus of mixed-diet consumers (from a welfare point of view, as a medium of functional foods, environmental issues, the use of antibiotics, etc.), as well as the livestock industry in general. The poultry industry is also extremely quick to uptake new technologies (such as biotechnology, mechanization, robotics, and climate and nutrient control) in order to be economically efficient and sustainable. There is constant pressure from pathogens and new threats, such as avian flu, that requires new treatments and biosecurity measures. There are many novel approaches and answers to these challenges. In breeding, molecular genetic tools (genomic selection and genome editing) can be used to increase production efficiency and fitness, especially immunity traits, or to characterize local genetic pools. The One Health approach, which requires a holistic approach, where genetics, nutrition, health treatment, and management need to be considered together, has gained ground in the poultry industry. The gut microbiome seems to be a good indicator of the balanced health of an animal. Artificial intelligence, built into robotic supervision and handling, helps to increase animal comfort and save costs in the workforce. Organic farming takes a different approach and faces different challenges. What could the possible answers be? We are facing |
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a new era in poultry science. The aim of this Special Issue is to highlight the importance of new findings. |
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2. |
Record Nr. |
UNINA9910437983303321 |
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Autore |
Karnakov Boris Mikhailovich |
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Titolo |
WKB Approximation in Atomic Physics / / by Boris Mikhailovich Karnakov, Vladimir Pavlovich Krainov |
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Pubbl/distr/stampa |
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Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2013 |
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ISBN |
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Edizione |
[1st ed. 2013.] |
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Descrizione fisica |
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1 online resource (179 p.) |
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Disciplina |
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Soggetti |
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Physics |
Atoms |
Mathematical physics |
Quantum theory |
Mathematical Methods in Physics |
Atomic, Molecular, Optical and Plasma Physics |
Mathematical Applications in the Physical Sciences |
Quantum Physics |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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WKB-Approximation in Quantum Mechanics -- One-Dimensional Motion -- WKB-Approximation for a Particle in Central Field -- Langer Transformation -- 1/N-Expansion in Quantum Mechanics -- 1/N Expansion for Energy Levels of Binding States -- Wave Functions of 1/n-Expansion -- Rydberg States of Atomic Systems -- Unperturbed Rydberg States of Atoms -- Interaction between a Rydberg Electron and an Electromagnetic Radiation -- Penetrability of Potential Barriers and Quasistationary States -- Quasi-Stationary States of One-Dimensional Systems -- Quasi-Stationary States and Above-Barrier Reflection -- Transitions and Ionization in Quantum Systems -- Adiabatic Transitions -- Ionization of Quantum Systems. |
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Sommario/riassunto |
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This book has evolved from lectures devoted to applications of the Wentzel - Kramers – Brillouin- (WKB or quasi-classical) approximation and of the method of 1/N −expansion for solving various problems in atomic and nuclear physics. The intent of this book is to help students and investigators in this field to extend their knowledge of these important calculation methods in quantum mechanics. Much material is contained herein that is not to be found elsewhere. WKB approximation, while constituting a fundamental area in atomic physics, has not been the focus of many books. A novel method has been adopted for the presentation of the subject matter, the material is presented as a succession of problems, followed by a detailed way of solving them. The methods introduced are then used to calculate Rydberg states in atomic systems and to evaluate potential barriers and quasistationary states. Finally, adiabatic transition and ionization of quantum systems are covered. |
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