Xem 1-20 trên 840 kết quả Materials research
  • Forty years ago, Congress asked the National Academies Committee on Science, Engineering, and Public Policy (COSEPUP)—the only joint policy committee of the National Academy of Sciences, National Academy of Engineering, and Institute of Medicine—to look at the relationship between basic research and national goals. That request, from the House Committee on Science and Astronautics in 1964, resulted in the report Basic Research and National Goals.

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  • Whatever the context, be it solid, liquid, or some transitionary setting, materials science seeks an understanding of a material's macromolecular structure and properties by drawing on knowledge of its atomic and molecular constituents. Until recently, the term ''materials science'' was used primarily to denote empirical study, fundamental research, synthesis, a

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  • In this Eighth Edition we have retained the objectives and approaches for teaching materials science and engineering that were presented in previous editions. The first, and primary, objective is to present the basic fundamentals on a level appropriate for university/college students who have completed their freshmen calculus, chemistry, and physics courses.

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  • That philosophy is "materialism", which holds a number of bogus views about why and how we came into being. Materialism maintains that there is nothing but the matter and that matter is the essence of everything, be it organic or inorganic. Starting out from this premise, it denies the existence of a divine Creator, that is, Allah. Reducing every- thing to the level of matter, this notion transforms man into a creature that heeds only matter and turns away from moral values of whatever kind. This is the beginning of big disasters that will befall a man's life....

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  • As science has become more interdisciplinary and impinges ever more heavily on technology, we have been led to the conclusion that there is a great need now for a textbook that emphasizes the physical and chemical origins of the properties of solids while at the same time focusing on the technologically important materials that are being developed and used by scientists and engineers.

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  • Provides insight into advanced tool materials, physical theory and research understanding of metal cutting processes. The text highlights technology developed internationally, and reviews available technology of metal cutting processes, such as turning, boring, milling and drilling. It also elucidates optimum choices for tool material and cutting conditions, and more.

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  • Quality control has an emerging importance in every field of life. Quality control is a process that is used to guarantee a certain level of quality in a product or service. It might include whatever actions a business deems necessary to provide for the control and verification of certain characteristics of a product or service. With the improvement of technology everyday we meet new and complicated devices and methods in different fields. Quality control should be performed in all of those new techniques.

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  • In the last decade, we have witnessed a rapid growth in research and development of nanotechnology, especially nanostructured materials. Nanoporous materials as an important class of nanostructured materials possess high specific surface area, large pore volume, uniform pore size, and rich surface chemistry. These materials present great promises and opportunities for a new generation of functional materials with improved and tailorable properties for applications in adsorption, membranes, sensors, energy storage, catalysis and photocatalysis, and biotechnology, etc.

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  • The ability to create intelligent machines has intrigued humans since ancient times, and today with the advent of the computer and 50 years of research into AI programming techniques, the dream of smart machines is becoming a reality. Researchers are creating systems, which can mimic human beings. Accurate mathematical models neither always exist nor can they be derived for all complex environments because the domain may not be thoroughly understood. The solution consists of constructing rules that apply when input values lie within certain designer-defined categories....

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  • A biosensor is a detecting device that combines a transducer with a biologically sensitive and selective component. Biosensors can measure compounds present in the environment, chemical processes, food and human body at low cost if compared with traditional analytical techniques. This book covers a wide range of aspects and issues related to biosensor technology, bringing together researchers from 19 different countries.

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  • Tham khảo sách 'holography, research and technologies_2', 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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  • NASA's nanotechnology attempt started in 1996 and it resulted in the founding of the Centre for Nanotechnology. Apart from this centre, the research has been focused on the experimental research and development in computational nanoelectronics and computational optoelectronics.

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  • Holography has recently become a field of much interest because of the many new applications implemented by various holographic techniques. This book is a collection of 22 excellent chapters written by various experts, and it covers various aspects of holography. The chapters of the book are organized in six sections, starting with theory, continuing with materials, techniques, applications as well as digital algorithms, and finally ending with non-optical holograms.

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  • The possible impact of nanomaterials on future products and services is enormous. This has led to a tremendous expansion in research and development efforts related to nanoscale materials and devices. It has also raised new questions as to how these products will influence the environment, human health, business, education, and other areas of society. As with any emerging field, a vast amount of disconnected information is emerging, often spread across multiple disciplines.

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  • .Application of Titanium Dioxide Photocatalysis to Construction Materials .RILEM STATE-OF-THE-ART REPORTS Volume 5 RILEM, The International Union of Laboratories and Experts in Construction Materials, Systems and Structures, founded in 1947, is a non-governmental scientific association whose goal is to contribute to progress in the construction sciences, techniques and industries, essentially by means of the communication it fosters between research and practice.

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  • Since the First International Congress on Liquid Crystals (Lcs), held at Kent State University, OH, USA, in 1965, the implications of these systems associated with various aspects of telecommunications, laser, display, automobile, aerospace technologies, thermo-optics, medicine and biology have been the subject of considerable debate among researchers, scientists and engineers. Indeed, LCs, being a unique mesomorphic phase of matter, combine properties of both solids (long-range orientation order, manifestations of Bragg diffraction, etc.) and liquids (fluidity, viscosity, etc.).

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  • The purpose of this book is to provide the reader with a comprehensive overview of materials being developed or considered for a hydrogen-based energy economy, the state of their development, and issues associated with their successful deployment. It is our hope that this book will be useful to both the newcomer to this field and the experienced engineer and researcher desiring to know more about the broader topic. It is expected that students, professors, engineers, scientists, and managers will find this book useful....

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  • Muterials science emerged in USA, some time in thc carly 1950s. That phrase denoted a new scientific concept, born out of metallurgy, and this book is devoted to the emergence, development and consequences of that concept, in the US and elsewhere. Just who first coined the phrase is not known, but it is clear that by 1956 a number of senior research scientists had acquired the habit of using it.

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  • Engineering of nanophase materials and devices is of vital interest in electronics, semiconductors and optics, catalysis, ceramics and magnetism. Research associated with nanoparticles has widely spread and diffused into every field of scientific research, forming a trend of nanocrystal engineered materials.

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  • Performing experiments in low Earth orbit has been the focus of much of the research funded by NASA’s Physical Sciences Division (PSD) and its predecessors for over 30 years. This microgravity research can be divided into five broad areas, all of which focus primarily on phenomena that are strongly perturbed by gravity: biotechnology, combustion, fluid physics, fundamental physics, and materials science.

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