A fresh new treatment written by industry insiders, this work gives readers a remarkably clear view into the world of chemical separation. The authors review distillation, extraction, adsorption, crystallization, and the use of membranes – providing historical perspective, explaining key features, and offering insights from personal experience. The book is for engineers and chemists with current or future responsibility for chemical separation on a commercial scale – in its design, operation, or improvement – or for anyone wanting to learn more about chemical separation from an industrial point of view. The result is a compelling survey of popular technologies and the profession, one that brings the art and craft of chemical separation to life. Ever wonder how popular separation technologies came about, how a particular process functions, or how mass transfer units differ from theoretical stages? Or perhaps you want some pointers on how to begin solving a separation problem. You will find clear explanations and valuable insights into these and other aspects of industrial practice in this refreshing new survey.
Foodborne illness is a big problem. Wash those chicken breasts, and you’re likely to spread Salmonella to your countertops, kitchen towels, and other foods nearby. Even salad greens can become biohazards when toxic strains of E. coli inhabit the water used to irrigate crops. All told, contaminated food causes 48 million illnesses, 128,000 hospitalizations, and 3,000 deaths each year in the United States. With Outbreak, Timothy D. Lytton provides an up-to-date history and analysis of the US food safety system. He pays particular attention to important but frequently overlooked elements of the system, including private audits and liability insurance. Lytton chronicles efforts dating back to the 1800s to combat widespread contamination by pathogens such as E. coli and salmonella that have become frighteningly familiar to consumers. Over time, deadly foodborne illness outbreaks caused by infected milk, poison hamburgers, and tainted spinach have spurred steady scientific and technological advances in food safety. Nevertheless, problems persist. Inadequate agency budgets restrict the reach of government regulation. Pressure from consumers to keep prices down constrains industry investments in safety. The limits of scientific knowledge leave experts unable to assess policies’ effectiveness and whether measures designed to reduce contamination have actually improved public health. Outbreak offers practical reforms that will strengthen the food safety system’s capacity to learn from its mistakes and identify cost-effective food safety efforts capable of producing measurable public health benefits.
The twentieth century can truly be said to have been America's century. As the nation reached the position of world leader, her towns and cities changed at an unprecedented pace. With the approach to the millennium, the topic of change is on everyone's mind--how our communities and lifestyles have changed over the past century, and how we can endeavor to preserve the past while facing the future in which the world seems to change ever faster. The American Century series documents and celebrates our most recent history--featuring images of faces and places which were taken within living memory and yet that already seem to belong to a long-past era.
A college textbook that views adolescence as a normal part of the human life span, connected to both middle childhood and young adulthood. The conceptual orientation emphasizes developmental transitions which make adolescence both qualitatively distinct from other periods and significantly connected to continuous change in an individual's life. Annotation copyright by Book News, Inc., Portland, OR
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.