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1. |
Record Nr. |
UNINA9910451407403321 |
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Titolo |
Enzymes in farm animal nutrition [[electronic resource] /] / edited by Michael R. Bedford and Gary G. Partridge |
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Pubbl/distr/stampa |
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Oxon, UK ; ; New York, : CABI Pub., c2001 |
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ISBN |
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1-280-81168-4 |
9786610811687 |
0-85199-941-7 |
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Descrizione fisica |
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1 online resource (416 p.) |
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Altri autori (Persone) |
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BedfordMichael R <1960-> (Michael Richard) |
PartridgeGary G. <1953-> |
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Disciplina |
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Soggetti |
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Enzymes in animal nutrition |
Feeds - Enzyme content |
Animal feeding |
Electronic books. |
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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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Contributors; Preface; 1 The Current Feed Enzyme Market and Likely Trends; 2 Enzymology and Other Characteristics of Cellulases and Xylanases; 3 Enzymatic Characteristics of Phytases as they Relate to Their Use in Animal Feeds; 4 Analysis of Feed Enzymes; 5 Maize: Factors Affecting its Digestibility and Variability in its Feeding Value; 6 Vegetable Protein Meals and the Effects of Enzymes; 7 Enzyme Supplementation of Poultry Diets Based on Viscous Cereals; 8 The Role and Efficacy of Carbohydrase Enzymes in Pig Nutrition |
9 Interaction between Cereal Identity and Fat Quality and Content in Response to Feed Enzymes in Broilers10 Digestion of Phosphorus and Other Nutrients: the Role ofPhytases and Factors Influencing Their Activity; 11 Enzymes in Ruminant Diets; 12 Microbial Interactions in the Response to Exogenous Enzyme Utilization; 13 Enzymes: Screening, Expression, Design and Production; 14 Liquid Application Systems for Feed Enzymes; 15Process Stability and Methods of Detection of Feed Enzymes in Complete Diets; 16 Future Horizons; Index |
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Sommario/riassunto |
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This book provides a review of current knowledge of animal feed |
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enzymes, including their mode of action, interaction with intestinal physiology, economic and environmental impacts and application of technology into diets for different farm animal species. |
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2. |
Record Nr. |
UNINA9910465454803321 |
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Autore |
Saakian Artem S. |
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Titolo |
Radio wave propagation fundamentals / / Artem Saakian |
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Pubbl/distr/stampa |
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Norwood, Massachusetts : , : Artech House, , ©2011 |
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[Piscataqay, New Jersey] : , : IEEE Xplore, , [2011] |
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ISBN |
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Descrizione fisica |
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1 online resource (376 p.) |
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Collana |
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Artech House radar library |
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Disciplina |
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Soggetti |
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Radio wave propagation |
Electronic books. |
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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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Radio Wave Propagation Fundamentals; Contents; Preface; Chapter 1 Introduction; 1.1 Historical Overview; 1.2 Classification of Radio Waves by Frequency Bands; 1.3 The Earth's Atmosphere and Its Structure; 1.4 Classification of Radio Waves by Its Propagation Mechanisms; 1.5 Interferences in RF Transmission Links; Problems; References; Chapter 2 Basics of Electromagnetic Waves Theory; 2.1 Electromagnetic Process; 2.1.1 Maxwell's Equations of Electrodynamics; 2.1.2 Boundary Conditions of Electrodynamics; 2.1.3 Time-Harmonic Electromagnetic Process-Classification of Medi aby Conductivity. |
2.2 Free Propagation of Uniform Plane Radio Waves2.2.1 Uniform Plane Wave in Lossless Medium; 2.2.2 Uniform Plane Wave in Lossy Medium; 2.3 Polarization of the Radio Waves; 2.4 Reflection and Refraction of Plane Radio Wave from the Boundary of Two Media; 2.4.1 Normal Incidence on a Plane Boundary; 2.4.2 Oblique Incidence of Vertically Polarized Radio Wave; 2.4.3 Oblique Incidence of Horizontally Polarized Radio Wave; 2.4.4 Reflection of the Radio Wave with Arbitrary Polarization; 2.4.5 Power Reflection and Transmission. |
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2.4.6 Reflection of the Radio Wave from the Boundary of Nonideal Dielectric Medium2.5 Radiation from Infinitesimal Electric Current Source:Spherical Waves; 2.6 Spatial Area Significant for Radio Waves Propagation; 2.6.1 Principle of Huygens-Kirchhoff; 2.6.2 Fresnel Zones; 2.6.3 Knife-Edge Diffraction; 2.6.4 Practical Applications of the Fresnel Zones Concept; Problems; References; Appendix 2A Useful Mathematical Relations; 2A.1 Trigonometric Equalities; 2A.2 Vector Analysis; Appendix 2B Polarization of Radio Waves; 2B.1 General Approach. |
Appendix 2C Basic Relations in Infinitesimal Electric Current Source Radiation Analysis2C.1 Helmholtz Equation for Vector Potential; 2C.2 Radiation from the Electric Current Point Source; Appendix 2D Fresnel's Integrals; Chapter 3 Basics of Antennas for RF Radio Links; 3.1 Basic Parameters of Antennas; 3.1.1 Radiation Pattern and Directivity; 3.1.2 Radiation Resistance and Loss Resistance; 3.1.3 Antenna Effective Length and Effective Area of the Aperture; 3.2 General Relations in Radio Wave Propagation Theory; Problems; References. |
Chapter 4 Impact of the Earth Surface on Propagation of Ground Waves4.1 Propagation Between Antennas Elevated Above the Earth's Surface: Ray-Trace Approach; 4.1.1 Flat Earth Approximation Case Study; 4.1.2 Propagation over the Spherical Earth Surface; 4.1.3 Specifics of Propagation over a Rough and Hilly Terrain; 4.1.4 Optimal Path Clearance and Choice of the Antenna Elevations; 4.1.5 Propagation Prediction Models in Urban, Suburban, and Rural Areas; 4.2 Propagation Between Ground-Based Antennas over the Flat Earth; 4.2.1 Antennas over the Infinite, Perfect Ground Plane. |
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Sommario/riassunto |
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Written for professional engineers and students who specialize in antenna, communication and radar systems, this authoritative book provides a thorough introduction to the basic principles of electromagnetic wave propagation of radio frequencies in real-world conditions. It serves as an invaluable daily reference for practitioners in the field and also as a complete, organized text on the subject. This comprehensive resource covers a wide range of essential topics, from the classification of radio waves, electromagnetic wave theory, and antennas for RF radio links ... to the impact of the earth. |
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3. |
Record Nr. |
UNINA9910797145303321 |
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Autore |
Bourassa André-G. <1936-2011, > |
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Titolo |
Surrealism and Quebec literature : history of a cultural revolution / / André G. Bourassa ; translated by Mark Czarnecki |
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Pubbl/distr/stampa |
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Toronto, [Ontario] ; ; Buffalo, [New York] ; ; London, [England] : , : University of Toronto Press, , 1984 |
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©1984 |
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ISBN |
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Descrizione fisica |
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1 online resource (410 p.) |
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Collana |
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Disciplina |
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Soggetti |
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French-Canadian literature - 20th century - History and criticism |
Surrealism (Literature) - Québec (Province) - History and criticism |
Criticism, interpretation, etc. |
Electronic books. |
Quebec |
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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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Translation and revision of: Surréalisme et littérature québécoise. |
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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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Frontmatter -- Contents -- Author's Note -- Translator's Note -- Introduction -- 1. Precursors -- 2. From Painting to Poetry -- 3. Refus global -- 4. New Movements -- 5. Further Downstream -- Conclusion -- Translator's Notes -- Author's Notes -- Chronology -- Bibliography -- Index -- Backmatter |
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Sommario/riassunto |
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In manifestos, poems, articles, and theatre pieces Bourassa€examines the nature of Quebec surrealism and its international context.€ |
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