Xem 1-20 trên 35 kết quả Physics modes
  • Solving PDEs generally means you must take the time to set up the underlying equations, material properties, and boundary conditions for a given problem. COMSOL Multiphysics, however, relieves you of much of this work. The package provides a number of application modes that consist of predefined templates and user interfaces already set up with equations and variables for specific areas of physics. Special properties allow the selection of, for instance, analysis type and model formulations.

    pdf518p ruanyuwei1205 01-12-2011 88 23   Download

  • Similarities between ATM and packet switching Transfer of data in discrete chunks Multiple logical connections over single physical interface In ATM flow on each logical connection is in fixed sized packets called cells Minimal error and flow control Reduced overhead Data rates (physical layer) 25.6Mbps to 622.08Mbps

    ppt62p trada85 18-01-2013 31 5   Download

  • For thirty years or more the expressions “Correlation of the Physical Forces” and “The Conservation of Energy” have been common, yet few persons have taken the necessary pains to think out clearly what mechanical changes take place when one form of energy is transformed into another. Since Tyndall gave us his book called Heat as a Mode of Motion neither lecturers nor text-books have attempted to explain how all phenomena are the necessary outcome of the various forms of motion.

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  • Solving the system of equations describing the stationary operation of a two-mode random microlaser we have found the transformation of saturated values of mode intensity when laser parameters as gain and loss coefficients as well as field coupling, photon hopping coefficients vary. From obtained results we determined which parameter takes the most important role for stationary operation of random microlasers.

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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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  • Spindle (S1) Rotary Axes (R2) Transverse Axes (P1) Reference Point Approach (R1) Manual Traversing and Handwheel Traversing (H1) Operating Modes, Program Mode (K1) Feed (V1) Continous Path Mode, Exact Stop and LookAhead (B1) Output of Auxiliary Functions to the PLC (H2) Tool Compensation (W1) Measuring (M5) Compensation (K3) Traversing to Fixed Stop (F1) Kinematic Transformations (M1) Various Interface Signals (A2) PLC User Interface Various Machine Data.

    pdf410p nvavan 11-01-2010 54 11   Download

  • Architecture is designed to support a network where mobile station is responsible for the decision making. Advantages are ² very tolerant of faults in all of the WLAN equipment. ² eliminates any possible bottlenecks a centralized architecture would introduce. Architecture has power-saving modes of operation built into the protocol to prolong the battery life of mobile equipment without losing network connectivity. Components Station the component that connects to the wireless medium. Supported services are authentication, deauthentication, privacy, and delivery of the data....

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  • Energy is defined as the capacity of a substance to do work. It is a property of the substance and it can be transferred by interaction of a system and its surroundings. The student would have encountered these interactions during the study of Thermodynamics. However, Thermodynamics deals with the end states of the processes and provides no information on the physical mechanisms that caused the process to take place. Heat Transfer is an example of such a process. A convenient definition of heat transfer is energy in transition due to temperature differences.

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  • Science of brachytherapy is currently increasing in the field of cancer therapy. By virtue of the development of computer assisted technologies, we can reap the benefits of accurate radiotherapies more than ever, which enabled precise irradiation to a target safely avoiding unnecessary involvement of the surrounding normal tissue. Unlike teleradiotherapy provided by X-ray linear accelerator, brachytherapy utilizes radiation source placing inside or close to the target.

    pdf0p wqwqwqwqwq 20-07-2012 24 5   Download

  • Most information about the external world enters the human mind via the visual system; when seeing and looking are impaired, important aspects of life may elude us or the world becomes disturbingly distorted. While the globe may be likened to a camera, it is the brain that constructs an image of the world. It does this by making sense of the signals it receives from the retina, in which it is helped by data stored in memory as well as data gathered through other modes of perception.

    pdf460p taurus23 27-09-2012 30 5   Download

  • The emergence of a new paradigm in science offers vast perspectives for future investigations, as well as providing fresh insight into existing areas of knowledge, discovering hitherto unknown relations between them. We can observe this kind of process in connection with the appearance of the concept of solitons [465].

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  • The book opens with a section on recent advances in analytical methods. Dr. Kang Bongsu contributed a chapter that presents an alternative technique for the free and forced vibration analysis of one-dimensional distributed parameter systems. This approach is based on the idea of superimposing the amplitudes of the constituent travelling waves, rather than the traditional approach of normal mode expansion that relies on the apriori calculation of eigensolutions or assumed normal modes.

    pdf462p lulanphuong 30-03-2012 33 4   Download

  • Worldwide, one in five women has a child by the age of 18. In the poorest regions of the world, this rises to over one in three women. Adolescent pregnancies are more likely to occur among poor, less educated and rural populations. WHO’s recommendations for reducing early pregnancy are informed by two graded systematic reviews, three ungraded studies, as well as the conclusions of an expert panel.

    pdf0p le_minh_nha 25-12-2012 16 3   Download

  • For thirty years or more the expressions “Correlation of the Physical Forces” and “The Conservation of Energy” have been common, yet few persons have taken the necessary pains to think out clearly what mechanical changes take place when one form of energy is transformed into another. Since Tyndall gave us his book called Heat as a Mode of Motion neither lecturers nor text-books have attempted to explain how all phenomena are the necessary outcome of the various forms of motion.

    pdf76p window1234 02-01-2013 20 3   Download

  • Microbubble-based contrast agents for ultrasound were introduced some time ago, although their clinical application has become widespread only in recent years. Since color and power Doppler reveal overt artifacts after microbubble injection due to the peculiar features of harmonic signals produced by insonation of microbubbles, dedicated contrast-specifi c modes of US were introduced to optimize the registration of such signals.

    pdf398p echbuon 02-11-2012 28 2   Download

  • This paper presents a method for measuring the gross alpha/beta radioactivity of ancient pottery by using the liquid scintillation technique, Tri - carb2770TR/SL in the alpha/beta discrimination counting mode. The beta radioactivity is converted to the annual dose, which can be applied in dating of pottery by thermoluminescence technique.

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  • The wavelength shift effect of the Whispering Gallery Mode (WGM) laser with Er3+ /Yb3+ co-doped phosphate glass microsphere has been investigated. The experiment was carried out by half fiber taper coupling technique. The microsphere lasers have been pumped at 980 nm to take full advantage of energy transfer effect from ion Ytterbium to ion Erbium. The WGM’s wavelength shift were analyzed for sphere diameters of 90 µm. The observed lasing lines extends from 1532 nm to 1611 nm.

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  • In a previous paper [1], the identification algorithm is presented for feedback active controlled systems. However, this method can only be applied to complete measured systems. The aim of this paper is to present a combination of the identification algorithm and the modal superposition method to control the incomplete measured systems. The system response is expanded by modal eigenfunction technique. The external excitation acting on some first modes is identified with a time delay and with a small error depending on the locations of the sensors. ...

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  • The documentation is not only to aid the further education programme, but is also suitable for self study. The theory presented covering the fundamental physical principles, method of operation, type and possible uses of the sensors has been designed for use with the training case but could be used independently to study the application of sensors in automaticcontrol.

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  • Chapter 3 - Pathology. This chapter presents the following content: Areas of competence, medical terminology, the nine regions of the abdomen, risk factors for disease, microorganisms, modes of disease transmission, stages of inflammation, disorders/diseases, drugs and herbal therapy, effects of physical and emotional abuse and trauma.

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