... (not shown) indicates that the inhibitors adopt similar con- formations in the active site. The PEX hydroxamate mimics the enol-keto resonance structure of the 2-cis- enediol high- energy intermediate proposed ... 4-phospho-d-erythronohydroxa- mic acid, suggests that this molecule does indeed mimic the high- energy intermediate state that it was designed to. The analysis also identified, as a contaminant by- product of the inhibitor ... further comment. Hanau et al. [21] showed that 6PG activates decarboxylation of a sub- strate mimic, 6-phospho-3-keto-2-deoxygluconate, sug- gesting that occupancy of one active site has an influence...
Ngày tải lên: 19/02/2014, 05:20
FRONTIERS IN High Energy Density Physics docx
... United States. To illustrate the energy scale of the high energy density regime, some of the systems that deliver the energy in high energy density laboratory experiments in the United States can ... facilities. High energy density experiments span a wide range of areas of physics, including plasma physics, laser and particle beam physics, material science and condensed matter physics, nuclear physics, ... field of physics called high energy density physics. It is a field characterized by extreme states of matter previously unattainable in laboratory experiments. It is also a field rich in new physics...
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Báo cáo hóa học: " Preparation and Characterization of Nano structured Materials from Fly Ash: A Waste from Thermal Power Stations, by High Energy Ball Milling" potx
... EXPRESS Preparation and Characterization of Nano structured Materials from Fly Ash: A Waste from Thermal Power Stations, by High Energy Ball Milling K. Thomas Paul ặ S. K. Satpathy ặ I. Manna ... inorganic materials in coal become fluid-like at high temperature and then get solidified. In the pulverized coal fired boiler, the furnace operating temper- ature often exceeds 1400 °C. At these high ... surface energy of the samples was calculated by measuring contact angle. The powder contact angles were found out using Dynamic Contact angle Tester (DCAT) from Dataphysics, UK. The surface free energy...
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PHOTODIODES – COMMUNICATIONS, BIO-SENSINGS, MEASUREMENTS AND HIGH-ENERGY PHYSICS pptx
... temperatures of superconducting materials, Tc. For high- temperature superconducting materials such as YBCO, the operating temperature is around that of liquid nitrogen, 77 K, and for low- temperature ... (I-V) curves at temperatures between 6 and 294 K. 3. High- frequency and high- speed operation The high- frequency response of a UTC-PD module at low temperature is important. We evaluated this ... tested using the test circuit at a high- speed data rate. bias DC dat_in clk_in out J1 J2 65m bias bias DC dat_in clk_in out J1 J2 65m bias bias clk_in out DC dat_in J1 J2 J3 J4 J5 L1 L2 LD1...
Ngày tải lên: 26/06/2014, 23:20
Dictionary of Material Science and High Energy Physics Part 1 pdf
... Congress Cataloging-in-Publication Data Dictionary of Material Science and High Energy Physics / edited by Dipak Basu. p. cm. ISBN 0-8493-2889-6 (alk. paper) 1. Particles (Nuclear Physics) —Dictionaries. ... ra- diation. In modern atomic theory, an atom can make a transition to a quantum state of higher energy by absorbing quanta of photons. The en- ergy defect of the transition is matched by the energy ... adiabatic theorem that was generalized in 1984 by M.V. Berry. See Berry’s phase. adjoint equation A corresponding relation- ship that results from replacing operators by their Hermitian conjugate,...
Ngày tải lên: 10/08/2014, 11:22
Dictionary of Material Science and High Energy Physics Part 2 pptx
... quantized radiation field that is an eigenstate of the annihilation operator (see an- nihilation operator) for a given mode of the ra- diation field. cold atoms Atoms whose translational ki- netic energy ... char- acteristic Debye length (see also Debye sheath) associated with the shielding process. Debye T 3 law From the Debye approxima- tion, we can conclude that at very low temper- atures, the heat capacity ... of atomic and sub-atomic parti- cles in a super-saturated vapor. The tracks are a result of ionization caused by the energetic par- ticles, followed by nucleation of cloud droplets centered at...
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Dictionary of Material Science and High Energy Physics Part 3 potx
... operator (1) Abstract operator that diminishes quanta of energy or particles in Fock space by one unit. Also known as an anni- hilation or lowering operator in some contexts. See also creation ... considered as either creating or annihilating this particle out of or into the vacuum state. The destruction (annihilation) operator is the Her- metian conjugate of the creation operator. detailed balance ... appropriate order. delta ray A lowenergy electroncreated from the ionization of matter by an energetic charged particle passing through the material. Delta rays, however, have sufficient energy...
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Dictionary of Material Science and High Energy Physics Part 4 ppsx
... an energy eigenstate do not change with time. Hence, such states are also called station- ary states. energy eigenvalue The value of the energy of a system in an energy eigenstate. energy equation ... absorb energy from the travers- ing particle causing an energy loss. The energy loss can be calculated using the Bethe–Bloch equation. energy momentum conservation The con- servation of both energy ... for states with a high energy, the energy levels can overlap due to their individual natural line width such that a continuum is formed. In solid state materials, this can lead to the formation...
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Dictionary of Material Science and High Energy Physics Part 5 pps
... This law helped to confirm the atomic nature of matter. 1. Generator of translations in space: For a wave function (r,t) that satisfies Schrödinger’s equation and that can be ex- panded in a Taylor ... (ν)/I sat (ν) , where g o (ν) is unsaturatedgain, I(ν)isthe pho- ton flux, and I sat (ν) is the saturated photon flux at frequency ν. In a homogeneously broad- ened medium, gain saturation causes spatial holeburning, ... space-time so that a gravitational attrac- tion is explained through the curvature of space. For example, general relativity predicts the cur- vature of light in a gravitational field. generating function...
Ngày tải lên: 10/08/2014, 11:22
Dictionary of Material Science and High Energy Physics Part 6 docx
... internal energy and −W is the net work done by the system. heat capacity The amount of energy trans- ferred to a system that raises its temperature by one degree. heat conduction The process by which ... conversion of heat into work. heat exchanger A device used to remove heatfromahotobjectbytransferringthethermal energy to a large reservoir. heat of fusion The latent heat that is removed per ... many of â 2001 by CRC Press LLC Namely, the kinetic energy of the initial-state particles is not the same as the kinetic energy of the final-state particles. When additional kinetic energy is produced...
Ngày tải lên: 10/08/2014, 11:22
Dictionary of Material Science and High Energy Physics Part 7 pot
... postu- lated that the negative energy state of a vacuum is completely filled byelectrons so that the Pauli exclusion principle prohibits the invasion of the positive energyelectron into thenegative energy region. Knight ... temperature (K) Defined by choosing the unit of temperature so that the triple point of water, the temperature at which water, ice, and water vapor coexist, is exactly 273.16 K. â 2001 by CRC Press LLC ... in- teresting feature that the energy gap at a Bragg reflection remains finite at high energy. It is interesting to compare the exact results of this model with the results of other energy band cal- culations...
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Dictionary of Material Science and High Energy Physics Part 8 pps
... Distribution of particles proportional to the exponential of ki- netic energy divided by temperature. Maxwell relations The four mathematical relationships that relate pressure, volume, tem- perature, ... oscillations that are used to accelerate charged particles to high energy. latent heat (L) The heat absorbed or given off from a system undergoing a first order phase transition. It is related ... that Maxwell’s treatment assumed that the demon generated entropy and that this assumption was indeed false. By calculating the minimum entropy generated by the demon (or any analogous information...
Ngày tải lên: 10/08/2014, 11:22
Dictionary of Material Science and High Energy Physics Part 9 pptx
... penetrate into negative energy states ifthesestateswereempty. To solvethisparadox, Dirac concluded that the negative energy states are filled by electrons. The positive and nega- tive energy states ... excitation at the frequency ω 0 . moment equations Fluid equations derived by multiplying a plasma kinetic equation by powers of particle velocity and integrating over all velocities. â 2001 by ... anni- hilation operators are applied and then the cre- ation operators (all annihilation operators are written to the right and creation operators to the left, as in the equation above). Any operator...
Ngày tải lên: 10/08/2014, 11:22
Dictionary of Material Science and High Energy Physics Part 10 pptx
... in space that a particle will expe- rience, in non-relativistic classical or quantum physics. At every point in space, the particle is subject to a force given by the spatial derivatives of the ... size, rotational motion, or other properties of extended objects. particle accelerator A device for acceler- ating particles such as protons or electrons to high momenta. By colliding these particles ... over all states, and is given by the expression Z = i e E i /kT â 2001 by CRC Press LLC plasma physics The branch of physics that deals with ionized particles where the flow is treated using...
Ngày tải lên: 10/08/2014, 11:22
Dictionary of Material Science and High Energy Physics Part 11 ppsx
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Dictionary of Material Science and High Energy Physics Part 12 docx
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Dictionary of Material Science and High Energy Physics Part 13 doc
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Dictionary of Material Science and High Energy Physics Part 14 pdf
Ngày tải lên: 10/08/2014, 11:22