Milk has been an important food for man since the domestication of cattle and the adoption of a pastoralist agriculture. It is also the most versatile of the animal-derived food commodities and is a component of the diet in many physical forms. In addition to milk itself, a rural technology evolved which permitted the manufacture of cheese, fer mented milks, cream and butter. At a later date, successive advances in technology were exploited in the manufacture of ice cream, concen trated and dried milks and, at a later date, of ultra-heat-treated dairy products, new dairy desserts and new functional products. At the same time, however, dairy products have been increasingly perceived as unhealthy foods and a number of high quality dairy substitutes, or analogues, have been developed which have made significant inroads into the total dairy food market. Paradoxically, perhaps, the technology which, on the one hand, presents a threat to the dairy industry through making possible high quality substitutes offers, on the other hand, an opportunity to exploit new uses for milk and its components and to develop entirely new dairy products. Further, the development of products such as low fat dairy spreads has tended to blur the distinction between the dairy industry and its imitators and further broadened the range of knowledge required of dairy scientists and technologists.
Micro-organisms play a major role in the geochemistry of the planet, forming the basic stage in the food chain, and thus sustaining the existence of higher evolutionary life. The continuing interaction between these living organisms and the environment, combined with their exploitation by man are shaping the material world today.Over the last few y
Milk has been an important food for man since the domestication of cattle and the adoption of a pastoralist agriculture. It is also the most versatile of the animal-derived food commodities and is a component of the diet in many physical forms. In addition to milk itself, a rural technology evolved which permitted the manufacture of cheese, fer mented milks, cream and butter. At a later date, successive advances in technology were exploited in the manufacture of ice cream, concen trated and dried milks and, at a later date, of ultra-heat-treated dairy products, new dairy desserts and new functional products. At the same time, however, dairy products have been increasingly perceived as unhealthy foods and a number of high quality dairy substitutes, or analogues, have been developed which have made significant inroads into the total dairy food market. Paradoxically, perhaps, the technology which, on the one hand, presents a threat to the dairy industry through making possible high quality substitutes offers, on the other hand, an opportunity to exploit new uses for milk and its components and to develop entirely new dairy products. Further, the development of products such as low fat dairy spreads has tended to blur the distinction between the dairy industry and its imitators and further broadened the range of knowledge required of dairy scientists and technologists.
Alan Lomax (1915-2002) began working for the Archive of American Folk Song at the Library of Congress in 1936, first as a special and temporary assistant, then as the permanent Assistant in Charge, starting in June 1937, until he left in late 1942. He recorded such important musicians as Woody Guthrie, Muddy Waters, Aunt Molly Jackson, and Jelly Roll Morton. A reading and examination of his letters from 1935 to 1945 reveal someone who led an extremely complex, fascinating, and creative life, mostly as a public employee. While Lomax is noted for his field recordings, these collected letters, many signed "Alan Lomax, Assistant in Charge," are a trove of information until now available only at the Library of Congress. They make it clear that Lomax was very interested in the commercial hillbilly, race, and even popular recordings of the 1920s and after. These letters serve as a way of understanding Lomax's public and private life during some of his most productive and significant years. Lomax was one of the most stimulating and influential cultural workers of the twentieth century. Here he speaks for himself through his voluminous correspondence.
A completely revised and updated edition that teaches the essentials of forensic biology, with increased coverage of molecular biological techniques and new information on wildlife forensics, wound analysis and the potential of microbiomes as forensic indicators This fully revised and updated introduction to forensic biology carefully guides the reader through the science of biology in legal investigations. Full-colour throughout, including many new images, it offers an accessible overview to the essentials of the subject, providing balanced coverage of the range of organisms used as evidence in forensic investigations, such as invertebrates, vertebrates, plants and microbes. The book provides an accessible overview of the decay process and discusses the role of forensic indicators like human fluids and tissues, including bloodstain pattern analysis, hair, teeth, bones and wounds. It also examines the study of forensic biology in cases of suspicious death. This third edition of Essential Forensic Biology expands its coverage of molecular techniques throughout, offering additional material on bioterrorism and wildlife forensics. The new chapter titled ‘Wildlife Forensics’ looks at welfare legislation, CITES and the use of forensic techniques to investigate criminal activity such as wildlife trafficking and dog fighting. The use of DNA and RNA for the identification of individuals and their personal characteristics is now covered as well, along with a discussion of the ethical issues associated with the maintenance of DNA databases. Fully revised and updated third edition of the successful student-friendly introduction to the essentials of Forensic Biology Covers a wide variety of legal investigations such as homicide, suspicious death, neglect, real and fraudulent claims for the sale of goods unfit for purpose, the illegal trade in protected species of plants and animals and bioterrorism Discusses the use of a wide variety of biological material for forensic evidence Supported by a website that includes numerous photographs, interactive MCQs, self-assessment quizzes and a series of questions and topics for further study to enhance student understanding Includes a range of important, key case studies in which the difficulties of evaluating biological evidence are highlighted Essential Forensic Biology, Third Edition is an excellent guide for undergraduates studying forensic science and forensic biology.
A practical treatment of power system design within the oil, gas, petrochemical and offshore industries. These have significantly different characteristics to large-scale power generation and long distance public utility industries. Developed from a series of lectures on electrical power systems given to oil company staff and university students, Sheldrake's work provides a careful balance between sufficient mathematical theory and comprehensive practical application knowledge. Features of the text include: Comprehensive handbook detailing the application of electrical engineering to the oil, gas and petrochemical industries Practical guidance to the electrical systems equipment used on off-shore production platforms, drilling rigs, pipelines, refineries and chemical plants Summaries of the necessary theories behind the design together with practical guidance on selecting the correct electrical equipment and systems required Presents numerous 'rule of thumb' examples enabling quick and accurate estimates to be made Provides worked examples to demonstrate the topic with practical parameters and data Each chapter contains initial revision and reference sections prior to concentrating on the practical aspects of power engineering including the use of computer modelling Offers numerous references to other texts, published papers and international standards for guidance and as sources of further reading material Presents over 35 years of experience in one self-contained reference Comprehensive appendices include lists of abbreviations in common use, relevant international standards and conversion factors for units of measure An essential reference for electrical engineering designers, operations and maintenance engineers and technicians.
This trailblazing study explores Adams’s political thought across his entire career in law and public service. Winner of the Sally and Morris Lasky Prize of The Center for Political History Lebanon Velley College Scholars have examined John Adams’s writings and beliefs for generations, but no one has brought such impressive credentials to the task as Richard Alan Ryerson in John Adams’s Republic. The editor-in-chief of the Massachusetts Historical Society’s Adams Papers project for nearly two decades, Ryerson offers readers of this magisterial book a fresh, firmly grounded account of Adams’s political thought and its development. Of all the founding fathers, Ryerson argues, John Adams may have worried the most about the problem of social jealousy and political conflict in the new republic. Ryerson explains how these concerns, coupled with Adams’s concept of executive authority and his fear of aristocracy, deeply influenced his political mindset. He weaves together a close analysis of Adams’s public writings, a comprehensive chronological narrative beginning in the 1760s, and an exploration of the second president’s private diary, manuscript autobiography, and personal and family letters, revealing Adams’s most intimate political thoughts across six decades. How, Adams asked, could a self-governing country counter the natural power and influence of wealthy elites and their friends in government? Ryerson argues that he came to believe a strong executive could hold at bay the aristocratic forces that posed the most serious dangers to a republican society. The first study ever published to closely examine all of Adams’s political writings, from his youth to his long retirement, John Adams’s Republic should appeal to everyone who seeks to know more about America’s first major political theorist.
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