Xem 1-20 trên 147 kết quả Physics experiments
  • The book consists of 21 chapters which present interesting applications implemented using the LabVIEW environment, belonging to several distinct fields such as engineering, fault diagnosis, medicine, remote access laboratory, internet communications, chemistry, physics, etc. The virtual instruments designed and implemented in LabVIEW provide the advantages of being more intuitive, of reducing the implementation time and of being portable.

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  • Radiotherapy, also referred to as radiation therapy, radiation oncology or therapeutic radiology, is one of the three principal modalities used in the treatment of malignant disease (cancer), the other two being surgery and chemotherapy.

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  • Grid research, rooted in distributed and high performance computing, started in midto- late 1990s when scientists around the world acknowledged the need to establish an infrastructure to support their collaborative research on compute and data intensive experiments. Soon afterwards, national and international research and development authorities realized the importance of the Grid and gave it a primary position on their research and development agenda.

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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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  • In this Volume 2 of the series on the use of physical techniques for the study of art, archaeology, and cultural heritage, we continue our policy of choosing topics from widely different fields of cultural heritage conservation. Also, we have chosen authors both in their early and late careers. In Chapter 1, Dudley Creagh writes on “Synchrotron radiation and its use in art, archaeometry, and cultural heritage studies”. He is Professor and a Director of the Cultural Heritage Research Centre at the University of Canberra, Canberra, Australia....

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  • This report originated in 1999 as a result of discussions between the Committee on Solar and Space Physics (CSSP) and officials within NASA’s Office of Space Science Sun- Earth Connections program. As noted in the statement of task (Appendix A), the objective of the study was to provide a scientific assessment and strategy for the study of magnetized plasmas in the solar system. By emphasizing the connections between locally occurring (solar system) structures and processes and their astrophysical counterparts, the study would contribute to a unified view of cosmic plasma behavior.

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  • Have you ever wondered whether the forensic science you’ve seen on TV is anything like the real thing? There’s no better way to find out than to roll up your sleeves and do it yourself. This full-color book offers advice for setting up an inexpensive home lab, and includes more than 50 hands-on lab sessions that deal with forensic science experiments in biology, chemistry, and physics. You’ll learn the practical skills and fundamental knowledge needed to pursue forensics as a lifelong hobby—or even a career....

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  • The workplace as a health promotion setting Workplace health promotion (WHP) programmes, targeting physical inactivity and unhealthy dietary habits, are effective in improving health- related outcomes such as obesity, diabetes and cardiovascular disease risk factors. Enhancing employee productivity, improving corporate image and moderating medical care costs are some of the arguments that might foster senior management to initiate and invest in WHP programmes.

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  • This commonly used method of procuring furniture and equipment, requires a pool of qualified, interested bidders and clear, detailed specifications in order to achieve the desired result. Since the paperwork required is substantial, it calls for more effort by the bidding agency, and sometimes discourages prospective bidders. The open advertisement policy, typical of competitive bidding, can attract bidders who lack the experience, expertise, and financial stability required for this highly specialized type of project.

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  • Composite is a material composed of two or more component materials to obtain better properties. 3-phase composite is usually added with reinforced fibers and particles. This report presents an experimental study on the bending of some 3-phase composite plates for Vietnam’s shipbuilding industry. The studied composite is made of polyester matrix, glass fiber and titanium dioxide particle (TiO2). The numerical study, in which the interaction between the matrix and particle is taken into account, shows good agreement with the experiment. ...

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  • Undertaken at orphanages in Russia, this study tests the role of early social and emotion experience in the development of children. Children were exposed to either multiple caregivers who performed routine duties in a perfunctory manner with minimal interaction or fewer caregivers who were trained to engage in warm, responsive, and developmentally appropriate interactions during routine care.

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  • Building and applying interactive screen experiment in teaching and studying mechanical movement of particle in Physic 10 to develop active awareness, self-study and creativity of the students.

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  • Effects of compost, mycorrhiza, manure and fertilizer on some physical properties of a Chromoxerert soil field experiment was conducted to explore the role of mycorrhizal inoculation and organic fertilizers on the alteration of physical properties of a semi-arid Mediterranean soil (Entic Chromoxerert, Arik clay-loam soil). From 1995 to 1999, wheat (Triticum aestivum L.), pepper (Capsicum annuum L.), maize (Zea mays L.

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  • 6 Unit One SCIENCE Science (Latin scientia, from scire, “to know”), is the term which is used, in its broadest meaning to denote systematized knowledge in any field, but applied usually to the organization of objectively verifiable sense experience. The pursuit of knowledge in this context is known as pure science, to distinguish it from applied science, which is the search for practical uses of scientific knowledge, and from technology, through which applications are realized. Knowledge of nature originally was largely an undifferentiated observation and interrelation of experiences.

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  • Service Oriented Architecture is an Application Architecture that is designed to achieve loose coupling among interacting software applications. SOA provides greater flexibility in developing, integrating, and managing Enterprise Applications.Grid research, rooted in distributed and high performance computing, started in midto- late 1990s when scientists around the world acknowledged the need to establish an infrastructure to support their collaborative research on compute and data...

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  • This Publication is concerned with the vital subject of business logistics and supply chain management, an area that can be essential to a firm’s competitive strategy and revenue generation. This management area has been described by many names, including physical distribution, materials management, transportation management, logistics, and supply chain management. Relevant business activities may include one or more of the following areas: transportation, inventory, order processing, purchasing, warehousing, materials handling, packaging, customer service standards, and production....

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  • The vacuum is fast emerging as the central structure of modern physics. This collection brings together philosophically-minded specialists who engage these issues in the context of classical gravity, quantum electrodynamics, and the grand unification program. The vacuum emerges as the synthesis of concepts of space, time, and matter; in the context of relativity and the quantum this new synthesis represents a structure of the most intricate and novel complexity.

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  • 1.1 Induction experiment: Inside the shaded region, there is a magnetic field into the board. – If the loop is stationary, the Lorentz force (on the electrons in the wire) predicts: (a) A Clockwise Current; (b) A Counterclockwise Current; (c) No Current Now the loop is pulled to the right at a velocity v. – The Lorentz force will now give rise to:

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  • What is Economics? Economics is not a natural science, i.e. it is not concerned with studying the physical world like chemistry, biology. Social sciences are connected with the study of people in society. It is not possible to conduct laboratory experiments, nor is it possible to fully unravel the process of human decisionmaking. “Economics is the study of how we the people engage ourselves in production, distribution and consumption of goods and services in a society.” Normative economics and Positive Economics: Normative economics refers to value judgments, e.g.

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  • Like all other sciences, physics is based on experimental observations and quantitative measurements. The main objective of physics is to find the limited number of fundamental laws that govern natural phenomena and to use them to develop theories that can predict the results of future experiments. The fundamental laws used in developing theories are expressed in the language of mathematics, the tool that provides a bridge between theory and experiment

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