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Free Ebooks DownloadWelcome to DL4ALL.org – your ultimate destination for ebooks across every genre. Whether you’re into fiction, self-help, education, or niche topics, we offer an extensive library to satisfy your thirst for knowledge and entertainment. Why Choose DL4ALL.org?
Start your reading journey today on DL4ALL.org and unlock a world of imagination, knowledge, and inspiration!  English | 2022 | ISBN: 1119871301 | 604 pages | True PDF EPUB | 104.16 MB An intuitively organized and incisive exploration of UV radiation and its modern applications In Photochemical Reactors: Theory, Methods, and Applications of Ultraviolet Radiation , distinguished civil engineer and researcher Dr. Ernest R. Blatchley III delivers a comprehensive exploration of the theory, methods, and contemporary and emerging applications of ultraviolet (UV) radiation. The author describes the fundamentals of the history of photochemistry and photochemical reactions before moving on to consider the dynamic behavior of UV-based reactor systems and the physical concepts that govern natural and man-made sources of UV radiation.  English | 2022 | ISBN: 1839161647 | 296 pages | True PDF EPUB | 31.61 MB Inorganic glasses are successfully used in the biomedical field, in particular degradable glasses have found applications in tissue engineering, bone regeneration and tooth remineralisation. Silicate glasses are the most commonly used ones but phosphate and borate glasses are attracting more and more interest owing to their special properties, differing from those of silicate bio-glasses. Phosphate and borate glasses thus open up potential routes for new therapeutic applications. This book focuses on these emerging materials. Bridging the phosphate and borate glasses communities, this book provides a fundamental treatment of atomic structure and physicochemical properties before highlighting their current and potential future applications. Phosphate and borate glasses not only feature a broader range of glass formation than silicate glasses. Their ability to completely dissolve in water with the solubility varying over orders of magnitude with compositional changes, makes them exciting materials for delivering therapeutic agents into the human body.  English | 2022 | ISBN: 978-0367086442 | 325 pages | True PDF | 5.39 MB What is risk? How do we assess risk? What are the ethical implications of risk? The concept of risk is important – sometimes even crucial – for many philosophical domains, from philosophy of science and technology to ethics and sustainability. Philosophy and Science of Risk is a clear, wide-ranging introduction to this urgent and fast-growing subject. It covers the following key topics: • The philosophical and historical background to understanding and interpreting risk  English | 2022 | ISBN: 0323857280 | 506 pages | True PDF | 7.36 MB Supply of oil and gas continues to increase as well as natural events such as hurricanes, while engineers and safety managers are not well trained on storage tank engineering and leak detection, one of the most vulnerable and least studied components of oil and gas storage equipment. Above Ground Storage Tank Oil and Chemical Spills gives engineers and researchers a training guide on tank design, tank failure modes and risk analysis. Bridging between research and application, this reference sends an integrated engineering approach backed by both corporate and academic contributors focused specifically on storage tanks, their spills, case histories, and technical aspects of leakage from storage tanks. Additional topics include regulations, differences between spills from storage tanks and other sources, and supported by extensive data and additional references. Above Ground Storage Tank Oil and Chemical Spills delivers a much-needed knowledge source for today's engineers and managers to keep supply and personnel safe. Learn from both academic and corporate contributors, bridging between research and practical applicationUnderstand lessons learned with case studies and extensive dataKnow the differences between spills from storage tanks and other sources  English | 2022 | ISBN: 9811963088 | 285 pages | True PDF EPUB | 34.03 MB This book provides essential information on Petri net theory and Petri net-based model checking methods. As for the Petri net theory, it involves the interleaving semantics and concurrency semantics of elementary net systems, some important net structures (e.g., invariant, repetitive vector, siphon, and trap), some classical net subclasses with special structures (e.g., state machine, marked graph, free-choice net,asymmetric-choice net, normal net, and weakly persistent net), and some basic properties (e.g., reachability, liveness, deadlock, and soundness). It also involves four high-level Petri nets: knowledge-oriented Petri nets, Petri nets with insecure places, time Petri nets, and plain time Petri nets with priorities, focusing on different fields of application. As for the model checking methods, this book introduces readers to computation tree logic (CTL), computation tree logic of knowledge (CTLK), and timed computation tree logic (TCTL), as well as Petri net-based methods for checking them. The basic principle of the reduced ordered binary decision diagram (ROBDD) is employed to compress the state space used in these model checking procedures. The book also covers time-soundness for time Petri nets and secure bisimulation for Petri nets with insecure places, both of which are based on the bisimulation theory. As such, it offers an introduction to basic information on bisimulation theory. [center]  English | 2022 | ISBN: 1541789067 | 352 pages | True EPUB | 8.45 MB A riveting exposé of a permanent financial dystopia, its causes, and real-world consequencesIt is abundantly clear that our world is divided into two very different economies. The real one, for the average worker, is based on productivity and results. It behaves according to traditional rules of money and economics. The other doesn't. It is the product of years of loose money, poured by central banks into a system dominated by financial titans. It is powerful enough to send stock markets higher even in the face of a global pandemic and threats of nuclear war. This parting from reality has its roots in an emergency response to the financial crisis of 2008. "Quantitative Easing" injected a vast amount of cash into the economy—especially if you were a major Wall Street bank. What began as a short-term dependency became a habit, then a compulsion, and finally an addiction.  English | 2022 | ISBN: 1032303662 | 255 pages | True PDF | 10.89 MB Managing for results is increasingly important for the success of public organizations. Performance and Innovation in the Public Sector is a comprehensive textbook that examines a broad range of performance strategies. Today's public managers require a broad toolkit and a deep, current understanding of the following: performance management, digital government, collaboration, strategic planning, innovation, lean government, and managing people for performance. This book provides a thorough overview of broad paradigms and their emergence, practical strategies along with examples and up-to-date applications, and an appreciation for the diverse contexts of public organizations resulting in varied and tailored improvements. Each chapter assists students in applying each tool at work. Performance and Innovation in the Public Sector provides a balance of scholarship and practice, offers flexibility for instructors, and is written in an accessible style that students and professionals appreciate.  English | 2022 | ISBN: 9811244073 | 261 pages | True PDF | 129.15 MB In this book, we first review the history and current situation of the perfect number problem, including the origin story of the Mersenne primes, and then consider the history and current situation of the Fibonacci sequence. Both topics include results from our own research. In the later sections, we define the square sum perfect numbers, and describe for the first time the secret relationships connecting the square sum perfect numbers, the Fibonacci sequence, the Lucas sequence, the twin prime conjecture, and the Fermat primes. Throughout, we raise various interesting questions and conjectures. Contents:  English | 2022 | ISBN: 9811255873 | 436 pages | True PDF EPUB | 18.49 MB In this monograph, we develop the theory of one of the most fascinating topics in coding theory, namely, perfect codes and related structures. Perfect codes are considered to be the most beautiful structure in coding theory, at least from the mathematical side. These codes are the largest ones with their given parameters. The book develops the theory of these codes in various metrics — Hamming, Johnson, Lee, Grassmann, as well as in other spaces and metrics. It also covers other related structures such as diameter perfect codes, quasi-perfect codes, mixed codes, tilings, combinatorial designs, and more. The goal is to give the aspects of all these codes, to derive bounds on their sizes, and present various constructions for these codes.The intention is to offer a different perspective for the area of perfect codes. For example, in many chapters there is a section devoted to diameter perfect codes. In these codes, anticodes are used instead of balls and these anticodes are related to intersecting families, an area that is part of extremal combinatorics. This is one example that shows how we direct our exposition in this book to both researchers in coding theory and mathematicians interested in combinatorics and extremal combinatorics. New perspectives for MDS codes, different from the classic ones, which lead to new directions of research on these codes are another example of how this book may appeal to both researchers in coding theory and mathematicians.The book can also be used as a textbook, either on basic course in combinatorial coding theory, or as an advance course in combinatorial coding theory. Contents:  English | 2022 | ISBN: 1284248305 | 714 pages | True EPUB | 28.27 MB Pediatric Primary Care Practice: Guidelines for Nurses, Fifth Edition is a comprehensive resource for well-child management and acute care management of childhood illnesses in a primary care setting. Written by practicing experts, this text is intended for advanced practice nursing students as a quick reference guide once they enter clinical practice. To manage initial and follow-up visits, the Fifth Edition features templates for gathering first visit history, as well as a template to record new information since the last visit. Instructions for gathering medical history information are also included. The Fifth Edition is divided into two sections. The first section covers well-child care and includes new patient intake with a family, well-child visits, and normal growth and development. The second section covers common childhood disorders in each system of the body. It is organized by body system and presents common medical conditions, diagnosis, treatment, complications, and patient/family education. [center] |
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