The second edition of Extrusion is designed to aid operators, engineers, and managers in extrusion processing in quickly answering practical day-to-day questions. The first part of the book provides the fundamental principles, for operators and engineers, of polymeric materials extrusion processing in single and twin screw extruders. The next section covers advanced topics including troubleshooting, auxiliary equipment, and coextrusion for operators, engineers, and managers. The final part provides applications case studies in key areas for engineers such as compounding, blown film, extrusion blow molding, coating, foam, and reprocessing. This practical guide to extrusion brings together both equipment and materials processing aspects. It covers basic and advanced topics, for reference and training, in thermoplastics processing in the extruder. Detailed reference data are provided on such important operating conditions as temperatures, start-up procedures, shear rates, pressure drops, and safety. - A practical guide to the selection, design and optimization of extrusion processes and equipment - Designed to improve production efficiency and product quality - Focuses on practical fault analysis and troubleshooting techniques
A comprehensive and highly practical survey of the materials, hardware, processes and applications of flexible plastic films. Aimed at a wide audience of engineers, technicians, managers, purchasing agents and users, Multilayer Flexible Packaging provides a thorough introduction to the manufacturing and applications of flexible plastic films, covering: - Materials - Hardware and Processes - Multilayer film designs and applications The materials coverage includes detailed sections on polyethylene, polypropylene and additives. The dies used to produce multilayer films are explored in the hardware section, and the process engineering of film manufacture explained, with a particular focus on meeting specifications and targets. The section includes unique coverage of the problematic area of bending technology, providing a unique explanation of the issues involved in the blending of viscoelastic non-Newtonian polymeric materials. About the author John R. Wagner, Jr. is President of Crescent Associates, Inc., a consulting firm that specializes in plastic films and flexible packaging. He graduated from the University of Notre Dame with a BS and MS in Chemical Engineering.
This book discusses the connectivity between major chemicals, showing how a chemical is made along with why and some of the business considerations. The book helps smooth a student’s transition to industry and assists current professionals who need to understand the larger picture of industrial chemistry principles and practices. The book: Addresses a wide scope of content, emphasizing the business and polymer / pharmaceutical / agricultural aspects of industrial chemistry Covers patenting, experimental design, and systematic optimization of experiments Written by an author with extensive industrial experience but who is now a university professor, making him uniquely positioned to present this material Has problems at the end of chapters and a separate solution manual available for adopting professors Puts chemical industry topics in context and ties together many of the principles chemistry majors learn across more specific courses
There is a limited understanding amongst scientists, students, and the public about realizing trust in scientific findings. This should be a paramount objective. Scientists and the public need to know more about the link between the philosophy of science and science research methods. There is a limited understanding of why accuracy is important and that it is not the same as precision. Also, there is often the need to be pragmatic and so measure an approximation of a real system, and the classic case is reductionism in biology versus whole organism biology. The author brings these topics together in terms of trusting in science. Features Covers how scientific truth is perceived and increases the preparedness of early career scientists. Examines the relatively new field of machine learning and artificial intelligence as applied to crystallography databases in biology and chemistry for new discoveries. Describes the major changes in digital data archiving and how vast “raw data” archives are being increasingly developed for machine learning and artificial intelligence as well as complete truth. This unique volume will be of interest to pre-university and university undergraduate students, principally in science. Presents scientific research examples from physics, chemistry, and biology together with their methodologies.
Corruption in Africa makes a significant contribution to the study of the impacts and eradication of corruption in African societies. John Mukum Mbaku offers a comprehensive analysis of the causes of public malfeasance in African countries and provides a number of practical and effective policy options for change. This book demonstrates the destructive relationship between corruption and the abrogation of economic freedoms and entrepreneurship, a system that has clearly left Africa as one of the most deprived regions in the world. Utilizing the tools of public choice theory, Mbaku emphasizes the important role that institutions have in corruption control and he recommends reconstructive democratic constitutions as the most effective means of development. Until African states provide their people with institutional arrangements that adequately constrain the state and enhance wealth production, the living standards in the continent will continue to deteriorate. Corruption in Africa is a fascinating and informative text that will appeal to those interested in African studies and developmental policies.
The SAGE Handbook of Prejudice, Stereotyping and Discrimination provides comprehensive coverage on the state of research, critical analysis and promising avenues for further study on prejudice, stereotyping and discrimination. Each chapter presents in-depth reviews of specific topics, describing the current state of knowledge and identifying the most productive new directions for future research. Representing both traditional and emerging perspectives, this multi-disiplinary and truly international volume will serve as a seminal resource for students and scholars.
Get the expert guidance you need to offer your patients the best possible outcomes with Hematology: Basic Principles and Practice, 7th Edition. This thoroughly up-to-date text contains both unparalleled scientific content and must-know clinical guidance, so you can enhance your problem-solving skills and make optimal use of the newest diagnostic techniques and therapeutic options in this fast-changing field. Delivers state-of-the-art information and guidance from editors and global contributors who are at the forefront of their respective subspecialty areas Features sweeping content updates throughout, including basic science research which serves as a foundation for modern hematology, recent advances in stem cell transplantation, clinical advances in the treatment of each of the hematologic malignancies, immune checkpoint inhibitors, molecular diagnostics, transfusion medicine, and much more Includes several new chapters including Epigenetics and Epigenomics, Stem Cell Model of Hematologic Diseases, Multiple Myeloma, IND Enabling Processes for Cell-Based Therapies, and Immune Checkpoint Blockade in Hematologic Malignancies New Virtual Microscope with the ability to zoom in on high-quality digital hematopathology slides and frequent content updates accessible anywhere, any time on your favorite digital device Expert ConsultTM eBook version included with purchase. This enhanced eBook experience allows you to search all of the text, figures, Q&As, and references from the book on a variety of devices Delivers state-of-the-art information and guidance from editors and global contributors who are at the forefront of their respective subspecialty areas. Features sweeping content updates throughout, including basic science research which serves as a foundation for modern hematology, recent advances in stem cell transplantation, clinical advances in the treatment of each of the hematologic malignancies, immune checkpoint inhibitors, molecular diagnostics, transfusion medicine, and much more. Includes several new chapters including Epigenetics and Epigenomics, Stem Cell Model of Hematologic Diseases, Multiple Myeloma, IND Enabling Processes for Cell-Based Therapies, and Immune Checkpoint Blockade in Hematologic Malignancies. New Virtual Microscope with the ability to zoom in on high-quality digital hematopathology slides and frequent content updates accessible anywhere, any time on your favorite digital device. Expert ConsultTM eBook version included with purchase. This enhanced eBook experience allows you to search all of the text, figures, Q&As, and references from the book on a variety of devices.
A vividly rendered history of the American Southwest chronicles the events that shaped the region, from the arrival of the Spanish to the American conquest of the region. (History)
Heterocyclic compounds play a vital role in the metabolism of living cells. Their practical applications range from extensive clinical use to fields as diverse as agriculture, photography, biocide formulation and polymer science. Written by leading scholars and industry experts, the Handbook of Heterocyclic Chemistry is thoroughly updated with over 50% new content. It has been rewritten with a new expanded author team, who have carefully distilled essential information on the reactivity, structure and synthesis of heterocycles from the 2008 major reference work Comprehensive Heterocyclic Chemistry III. To bring the work up to date the author team have also added new synthetic examples and structures, key applications and new references from 2008-2010. Contains more than 1500 clearly drawn structures and reactions. The highly systematic coverage given to the subject makes this one of the most authoritative single-volume accounts of modern heterocyclic chemistry available and should be useful reference for those teaching a heterocyclic course. - Covers the structure, reactivity and synthesis of all heterocyclic compounds as distilled from the larger 15-volume reference work - Saves researchers time when they require important information on heterocycles--speeding them to thousands of clearly drawn chemical structures and pertinent reviews by leading experts - Features 35% new material to compliment the completely revised text
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