Potential fields

Xem 1-20 trên 118 kết quả Potential fields
  • Lecture Engineering electromagnetics - Energy and potential include all of the following content: Moving a point charge in an electric field, the line integral, potential difference and potential, the potential field of a point charge, the potential field of a system of charges, potential gradient, the dipole, energy density in the electrostatic field.

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  • Geoscience is the scientific field of science covering all related disciplines dealing with Earth and its systems. The scientific field includes geology, physical geography, geophysics, geodesy, soil science, oceanography, hydrology, glaciology and atmospheric sciences. New Achievements in Geoscience is a comprehensive, up-todate resource for academic researchers in geophysics, environmental science, earth science, natural resource managements and their related support fields. This book attempts to highlight issues dealing with geophysical and earth sciences.

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  • The emerging field of nanotechnology is affirming its increasing importance day by day. In this context fullerenes and carbon nanotubes (CNTs) play an important role. These new allotropic forms of carbon have been discovered in the last two decades, and, since then, they have stimulated the curiosity and interest of physicists and chemists. This book is the first of a new series entitled “Carbon Materials: Chemistry and Physics”, the purpose of which is to analyze the new frontiers of carbon.

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  • Most approaches to topic modeling assume an independence between documents that is frequently violated. We present an topic model that makes use of one or more user-specified graphs describing relationships between documents. These graph are encoded in the form of a Markov random field over topics and serve to encourage related documents to have similar topic structures. Experiments on show upwards of a 10% improvement in modeling performance. of the form of the distance metric used to specify the edge potentials. ...

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  • In this book, new results or developments from different research backgrounds and application fields are put together to provide a wide and useful viewpoint on these headed research problems mentioned above, focused on the motion planning problem of mobile ro-bots.

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  • Lecture Engineering electromagnetics - The steady magnetic field presents the following content: Biot – Savart law, Ampere’s circuital law, Curl, Stokes’ theorem, magnetic flux and magnetic flux density, magnetic potential, derivation of the steady – magnetic – field law.

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  • Various methods for controlling mobile robot systems have been developed which are generally classified into two categories: global planning and local control. Many works, based on the complete knowledge of the robot and the environment, use a global planning method such as artificial potential fields [11], connectivity graph, cell decomposition [12], etc. These methods build some paths (set of sub-goals) which are free of obstacles

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  • After the first edition published in 2007 that became a best seller, the continuous scientific developments in the field have prompted us to produce the second edition of this book. As it happens in life and science, some of the novel and promising data presented in the first edition have been confirmed, some not, and new breakthrough achievements have been accomplished. Stem Cells in Reproductive Medicine, Basic Science and Therapeutic Potential, second edition, updates the revolutionary advances in stem cell science that may potentially impact on human reproductive medicine.

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  • Remarkable advances in medical diagnostic imaging have been made during the past few decades. The development of new imaging techniques and continuous improvements in the display of digital images have opened new horizons in the study of brain anatomy and pathology. The field of brain imaging has now become a fast- moving, demanding, and exciting multidisciplinary activity. I hope that this textbook will be useful to students and clinicians in the field of neuroscience, in understanding the fundamentals of advances in brain imaging.

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  • In the past few years we have observed an interesting mutual interest of two fields of research and development in each other. Life sciences area researchers discovered the opportunities offered my micro- and nanotechnology, while people from the microfluidics and BIOMEMS area discovered the application potential of these technologies in cell biology. Unfortunately, these two research communities share little in common: they read and publish in different scientific journals, have incompatible jargons, attend separate conferences, and have a different scientific approach and culture.

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  • Biomedical Engineering is a highly interdisciplinary and well established discipline spanning across engineering, medicine and biology. A single definition of Biomedical Engineering is hardly unanimously accepted but it is often easier to identify what activities are included in it. This volume collects works on recent advances in Biomedical Engineering and provides a bird-view on a very broad field, ranging from purely theoretical frameworks to clinical applications and from diagnosis to treatment....

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  • Biomedical Engineering is a highly interdisciplinary and well established discipline spanning across engineering, medicine and biology. A single definition of Biomedical Engineering is hardly unanimously accepted but it is often easier to identify what activities are included in it. This volume collects works on recent advances in Biomedical Engineering and provides a bird-view on a very broad field, ranging from purely theoretical frameworks to clinical applications and from diagnosis to treatment....

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  • In the last 10 years gene therapy has experienced a renascence thanks to the development of safer and more efficient gene transfer vectors and to the advances in the cell therapy field. This book brings together a comprehensive collection of gene therapy tools and their thera‐ peutic applications. The first part of the book covers different gene therapy vectors focusing on their advantages and disadvantages.

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  • Alternative medicine is recognized as medical products and practices that do not belong to the standard cares taken by medical doctors, doctors of osteopathy and allied health professionals. Alternative medicine includes the mind-body interventions (i.e., meditation, yoga, acupuncture, deep-breathing exercises, guided imageryAny of various techniques (such as a series of verbal suggestions) used to guide another person or oneself in imagining sensations— especially in visualizing an image in the mind—to bring about a desired physical response (such as stress reduction).

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  • Effective new treatments of heart disease are based on a refined understanding of cellular function and the heart's response to environmental stresses. Not surprisingly therefore, the field of experimental cardiology has experienced a phase of rapid exponential growth during the last decade. The acquisition of new knowledge has been so fast that textbooks of cardiology or textbooks of cardiovascular physiology are often hard-pressed to keep up with the most important conceptual advances.

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  • In the past two decades, enormous strides have been made in our understanding of the relationships between inflammation, innate immune responses, adaptive immune responses, and degenerative human diseases. The developing information has mostly appeared in specialty journals that have dealt only with isolated aspects of these tightly related fields. As a result, contemporary scientists have had a difficult time finding sources, even in review articles, that provide an integrated picture.

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  • The velocity at which radiation travels (or propagates) through a medium is dependent on the medium itself When radiation travels through a medium and does not undergo a frequency change, it cannot be undergoing a permanent energy transfer However, radiation can still interact with the medium – Radiation, an EM field, polarizes the electron clouds of atoms in the medium – Polarization is a temporary deformation of the electron clouds

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  • Artificial neural networks are learning machines inspired by the operation of the human brain, and they consist of many artificial neurons connected in parallel. These networks work via non-linear mapping techniques between the inputs and outputs of a model indicative of the operation of a real system. Although introduced over 40 years ago, many wonderful new developments in neural networks have taken place as recently as during the last decade or so.

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  • Tham khảo sách 'mobile robots motion planning_1', 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 development and writing of this report presented considerable challenges in terms of both the study schedule and the need to avoid conveying sensitive U.S. vulnerabilities to potential adversaries. Meeting both challenges has been difficult for the study committee and staff, but every effort was made to respond to the stated need of the Technology Warning Division of the Defense Intelligence Agency (DIA) for maximum openness. I wish to express my appreciation to the members of the committee for their contributions to the preparation of this report.

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