Xem 1-20 trên 27 kết quả Destruction technologies
  • The Committee to Review Assembled Chemical Weapons Alternatives Program Detonation Technologies was appointed by the National Research Council (NRC) in response to a request by the U.S. Army’s Program Manager for Assembled Chemical Weapons Alternatives (PMACWA). Three types of detonation technologies available from technology vendors and the Army’s explosive destruction system (EDS), collectively known as explosive destruction technologies (EDTs), are being considered for use at the Blue Grass Army Depot in Richmond, Kentucky, and the Pueblo Chemical Depot in Pueblo, Colorado....

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  • The Chemical Weapons Convention requires, among other things, that the signatories to the convention--which includes the United States--destroy by April 29, 2007, or as soon possible thereafter, any chemical warfare materiel that has been recovered from sites where it has been buried once discovered. For several years the United States and several other countries have been developing and using technologies to dispose of this non-stockpile materiel. To determine whether international efforts have resulted in technologies that would benefit the U.S. program, the U.S.

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  • Tham khảo sách 'science and technology for army homeland security', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The biological changes underlying the transition process from gingival health to early inflammatory changes involve local increase in vascular permeability, edema and the recruitment and activation of polymorphonuclear neutrophils (PMN) (Delima and Van Dyke 2003). Acquired immune response becomes involved once antigen-presenting cells interact with immunocompetent cells, such as T and B lymphocytes, leading to the expansion of antibody-secreting plasma cells and the development of the chronic lesion (Gemmell and Seymour 2004).

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  • With shortages of fossil energy and heavy biomass energy use occurring in both developed and developing countries, a major focus has developed worldwide on renewable energy systems. Currently, a heavy focus is on biofuels made from crops, crop residues and wood. Though it may seem beneficial to use renewable plant materials for biofuel, their use raises many concerns about major environmental problems, including food shortages and serious destruction of vital soil resources.

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  • The book isn't focused solely on hacking. Nuwere writes about his mother's battle with drug addiction and her death, his own depression and suicide attempts and life as a street gang member. "In many ways technology saved me. It allowed me to escape from a world of violence and negativity into a world that was limitless and unrestrictive," Nuwere said.

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  • By playing a role in the near-annihilation of a species, Theodore Roosevelt, the president of the United States at the turn of the twentieth century, unwittingly laid the groundwork for the most dramatic triumph yet in the use of artificial insemination (AI) to rescue a species from extinction. In the early 1900s, waves of immigrants from Europe settled in the American Midwest. As humans transformed the land, they declared war on a perceived pest: the prairie dog.

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  • The human species' use of technology began with the conversion of natural resources into simple tools. The prehistorical discovery of the ability to control fire increased the available sources of food and the invention of the wheel helped humans in travelling in and controlling their environment. Recent technological developments, including the printing press, the telephone, and the Internet, have lessened physical barriers to communication and allowed humans to interact freely on a global scale.

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  • The human species' use of technology began with the conversion of natural resources into simple tools. The prehistorical discovery of the ability to control fire increased the available sources of food and the invention of the wheel helped humans in travelling in and controlling their environment. Recent technological developments, including the printing press, the telephone, and the Internet, have lessened physical barriers to communication and allowed humans to interact freely on a global scale.

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  • The human species' use of began with the conversion of natural resources into simple tools. The prehistorical discovery of the ability to control fire increased the available sources of food and the invention of the wheel helped humans in travelling in and controlling their environment. Recent technological developments, including the printing press, the telephone, and the Internet, have lessened physical barriers to communication and allowed humans to interact freely on a global scale.

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  • Hydraulic fracturing is an industrial process used to extract fossil fuel reserves that lie deep underground. With the introduction of horizontal drilling, new commercial sources of energy have become available. Wells are drilled and injected with large quantities of water mixed with specially selected chemicals at high pressures that allow petroleum reserves to flow to the surface. While the increased economic activities and the outputs of domestic energy are welcomed, there is growing concern over negative environmental impacts from horizontal drilling in shale formations.

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  • The human species' use of technology began with the conversion of natural resources into simple tools. The prehistorical discovery of the ability to control fire increased the available sources of food and the invention of the wheel helped humans in travelling in and controlling their environment. Recent technological developments, including the printing press, the telephone, and the Internet, have lessened physical barriers to communication and allowed humans to interact freely on a global scale.

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  • The United States has been in the process of destroying its chemical munitions for well over a decade. Initially, the U.S. Army, guided by recommendations from the National Research Council (NRC), decided to use incineration as its destruction method at all sites. However, citizens in some states with stockpile storage sites oppose incineration on the grounds that the exact nature of the effluents escaping from the stacks cannot be determined.

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  • The human species' use of technology began with the conversion of natural resources into simple tools. The prehistorical discovery of the ability to control fire increased the available sources of food and the invention of the wheel helped humans in travelling in and controlling their environment. Recent technological developments, including the printing press, the telephone, and the Internet, have lessened physical barriers to communication and allowed humans to interact freely on a global scale.

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  • The United States has been in the process of destroying its chemical munitions for over a decade. The U.S. Army, with expertise from numerous bodies including the National Research Council (NRC), originally decided to use incineration as the method of destruction at all storage sites. However, citizens in states with storage sites have opposed incineration on the grounds that it is impossible to determine the exact nature of the effluents, in particular, effluents from the stacks. Nevertheless, the Army has continued to pursue incineration at most sites.

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  • The human species' use of technology began with the conversion of natural resources into simple tools. The prehistorical discovery of the ability to control fire increased the available sources of food and the invention of the wheel helped humans in travelling in and controlling their environment. Recent technological developments, including the printing press, the telephone, and the Internet, have lessened physical barriers to communication and allowed humans to interact freely on a global scale.

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  • Thank you for choosing Black and White in Photoshop CS3 and Photoshop Lightroom. From the highest quality capture to practical workfl ow practices, black and white conversion methodologies, non-destructive digital darkroom image processing, creative adjustments, to the latest printing techniques; this book is a fully integrated color managed workfl ow designed for the black and white photographer.

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  • The U.S. economy is highly dynamic: businesses open and close, workers switch jobs and start new enterprises, and innovative technologies redefine the workplace and enhance productivity. With globalization markets have also become more interconnected. Measuring business activity in this rapidly evolving environment increasingly requires tracking complex interactions among firms, establishments, employers, and employees.

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  • Acoustic emission (AE) is a phenomenon in which elastic or stress waves are emitted from rapid, localized change of strain energy in material. The practical application of the AE first emerged in the 1950's, but only in the last 20 years the science, technology and applications of AE have progressed significantly.

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  • he Bureau of Industry and Security (BIS) is an agency of the United States Department of Commerce which deals with issues involving national security and high technology. A principal goal for the bureau is helping stop proliferation of weapons of mass destruction, while furthering the growth of United States exports. The Bureau is led by the Under Secretary of Commerce for Industry and Security. The mission of the BIS is to advance U.S. national security, foreign policy, and economic interests.

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