Life and its organisms

Xem 1-20 trên 121 kết quả Life and its organisms
  • This is a radical book. It was radical when it was published in 1910, and it is radical today. When I first read The Science of Being Well, I thought, OF COURSE! This is brilliant! Everyone should read this book! You may have a similar reaction to this book if you’ve read Mr. Wattles’ first book, The Science of Getting Rich, or if you believe that both thought and behavior affect health.

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  • Hardware and Computer Organization is a practical introduction to the architecture of modern microprocessors for students and professional alike. It is designed to take practicing professionals "under the hood” of a PC and provide them with an understanding of the basics of the complex machine that has become such a pervasive part of our everyday life. It clearly explains how hardware and software cooperatively interact to accomplish real-world tasks.

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  • Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy.[1] Biology is a vast subject containing many subdivisions, topics, and disciplines.

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  • Sometimes a word is worth a thousand words. Or an entire book. “Ethics” is one of those words, with no shortage of book-length treatments. The idea for a communication-centered investigation of ethics and its relationship to professional life arose during the opening session of George’s ethics class in the spring of 2003. Although the students weren’t terribly excited by the idea of ethics, they became much more animated when the discussion shifted to the term “morality.”

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  • Research has suggested a link between nutritional deficiencies in early (including prenatal) life, and the development of chronic diseases—cardiovascular disease, diabetes mellitus, hypertension, stroke, cancer, and osteoporosis, among others—some decades later (World Health Organization 2000a, 2000b; Jacoby 2004). A possible link between early nutritional deficiencies and obesity has also been suggested, and it remains an area of ongoing research (Pan American Health Organization 2003).

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  • Understanding the biological basis of aging has fascinated people throughout recorded history, and is one of the great remaining scientific questions. The question has never been more important than now, as we anticipate the impact that a rapidly growing older population will have on the social, political, and medical landscape over the next 50 years. There is increasing evidence that aging involves damage to the genome, and it is certainly the case that such damage explains much of the coupling of most cancers to aging.

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  • Today, wireless networking is a reality from which IT managers cannot escape. Regardless of the size of an organization, where it is located, or what vertical market it serves, network users want it. No longer is wireless networking a fringe technology – it’s mainstream and it continues to expand at stellar growth rates within the enterprise marketplace.

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  • Inorganic mercury is toxic when humans or wildlife are exposed to high levels for a short peri- od of time. Organic methylmercury has a greater tendency to accumulate in the body over time, eventually causing harm, even in small amounts. Methylmercury has the three properties that make substances particularly harmful to humans and other organisms — it persists, it bioaccumulates, and it is toxic to most life forms. The health effects of mercury are described in more detail in the next chapter of this primer.

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  • The Internet’s rapid and profound entry into our lives quite understandably makes people wonder how, both individually and collectively, we have been affected by it. When major shifts in technology use occur, utopian and dystopian views of their impact on society often abound, reflecting their disruptiveness and people’s concerns. Given its complex uses, the Internet, both as a technology and as an environment, has had both beneficial and deleterious effects. Above all, though, it has had transformative effects.

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  • ‘‘An enlightening, practical, and valuable tool. Dick has taken the sometime confusing and frightening problem of performance appraisal and provided effective approaches and answers that can be adapted to any organization. It is a MUST for the human resources professional’s library.’’ —William K. Hill Human Resources Director City of Winston-Salem (NC) ‘‘Dick Grote clearly and eloquently presents a very practical guide for navigating the often-murky waters of the performance appraisal process.

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  • Risk assessment is an inexact science. Successful risk assessment practitioners rely heavily on extensive and well-documented databases.

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  • Focal Point—A Proven System to Simplify Your Life, Double Your Productivity, and Achieve All Your Goals Brian Tracy AMACOM American Management Association Special discounts on bulk quantities of AMACOM books are available to corporations, professional associations, and other organizations. For details, contact Special Sales Department, AMACOM, a division of American Management Association, 1601 Broadway, New York, NY 10019. Tel.: 212-903-8316 Fax: 212-903-8083 Web site: www.amacombooks.

    pdf112p tienwru 26-09-2010 117 30   Download

  • What’s the favorite four-letter word of people who are less than fully organized? “Help!” So many technological, social, and economic changes affect your life that you need organization just to keep up, let alone advance. Many people have two jobs – one at the office and one taking care of things at home. If you have a family, you may count that as a third job. Caring for elderly relatives or have community commitments? You can count off four, five, and keep right on going.

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  • It is not so far from now, although it is just the end of the XX century, the time when we discussed outlooks of the use of biotechnologies in medicine and pharmacy. These hopes were connected mainly with new microbiological products and new materials (polymers) for pharmaceutics, biomedicine and organ transplantation. Now in the XXI century, we are much more enthusiastic about outlooks of nanotechnologies for our life and environment.

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  • The United Nations Environment Programme (UNEP) is the overall coordinating environmental organization of the United Nations system. Its mission is to provide leadership and encourage partnerships in caring for the environment by inspiring, informing and enabling nations and people to improve their quality of life without compromising that of future generations.

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  • It was not to long a go that I was looking forward to a mode of business where in I could do bulk sales of commodities to community who could be descent buyers & dealing with whom I could gain in terms of life style, its systems & finance of course. In other words I wanted to deal with a set of individuals who were a class & could seriously bring a change the plight of my dull life style spent every morning with a set of questions - will I elevate today? -Will I do better with a job or should I put in efforts towards orientation...

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  • Providing an overview of rural sociology, this title calls for the reinterpretation of rural life in light of the profound changes affecting the countryside. It offers case studies that demonstrate the need for a reinvigorated rural sociology. Tackling contentious issues, it presents a model for rural sociology and assesses its role in society.From fox-hunting to farming, the vigour with which rural activities and living are defended overturns received notions of a sleepy and complacent countryside. Alongside these developments, the rise of the organic food movement has helped to revitalize...

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  • WATER PLAYS A CRUCIAL ROLE in the life of the plant. For every gram of organic matter made by the plant, approximately 500 g of water is absorbed by the roots, transported through the plant body and lost to the atmosphere. Even slight imbalances in this flow of water can cause water deficits and severe malfunctioning of many cellular processes. Thus, every plant must delicately balance its uptake and loss of water. This balancing is a serious challenge for land plants. To carry on photosynthesis, they need to draw carbon dioxide from the atmosphere, but doing so exposes them to...

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  • To analyze the business model, you must perform an analysis of the company model and its corresponding geographical scope. Models can include branch office, subsidiaries, regional, national, and sometimes international offices. The process of analyzing the business model begins with understanding the dynamic decision-making processes, business information flow, communication flow, and service and product life cycles.

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  • My wife Judy, my children, and my friends urged me for some time to write about my life and the fascinating period of science I was lucky to be part of. For years I resisted, mainly because I was still fully occupied with research, teaching, and various other commitments. I also felt it was not yet time to look back instead of ahead. However, I slowly began to realize that, because none of us knows how much time is still left, it might be ill advised to say ‘‘it is not yet the right time.’’ I therefore started to collect material and to organize my thoughts for...

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