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 | Отрасли знаний: Естественные науки -> Физика Shrinivasrao Kulkarni,Ramakrishna Damle and M. Ravindra Radiation Induced Effects in Semiconductor Devices. Theory, Experimental and Simulation Results 2013 г., 200 стр., мягкий переплет When semiconductor devices operate in a radiation environment (ex: space), they undergo severe degradation. The degradation behaviour is a complex process and is dependent not only on the nature of the device but also on the radiation characteristics viz., dose, dose rate, species and the energy of radiation. The study of the effect of radiation... | 40281 тг  |
 | Отрасли знаний: Естественные науки -> Физика Mohamed Nouh Orbit Determination and Statistical Study of Visual Binaries. 2013 г., 152 стр., мягкий переплет The determination of visual binary orbits is the problem of computing orbital elements of a binary from a set of observed positions. There are several methods of orbit computations, and they fall into two categories namely geometrical methods and analytical methods. The firsts are quicker but lead to fewer certain values of the elements. About 60... | 38576 тг |
 | Отрасли знаний: Естественные науки -> Физика Osama Khaleil Naied The Skies And The Earth In The Kor'an. 2013 г., 80 стр., мягкий переплет We explained in this book Notes about the Kor'an, the meaning of Allah and the Lahoot position, expressing distances, the number of earths, the number of skies, the interval , time of creation of the earths and the skies, the day o Allah, the celestial bodies contained in the seven skies, the creation of the solar system, the number of the... | 21983 тг |
 | Отрасли знаний: Естественные науки -> Физика Emilio Casuso The Theory of General Interactivity. 2013 г., 76 стр., мягкий переплет Our own daily experience say us that the long time future of natural systems is completely unforeseeable, at least when we use the usual techniques of differential analysis. We have the metheorology predictions as an example, or the behaviour of the economy variables, the birth indices, the rate of arrival of meteorites over the Earth, etc.... | 28181 тг |
 | Отрасли знаний: Естественные науки -> Физика Manuel Malaver de la Fuente Black Holes, Wormholes and Dark Energy Stars in General Relativity. Analysis of stellar relativistic configurations 2013 г., 72 стр., мягкий переплет The study of the stellar ultracompact objects is a topic of great importance in general relativity. The resolution of Einstein's field equations has allowed to obtain exact solutions for relativistic stars and find mathematical appropriate models which allow to explain the nature of a neutron stars and the quasars. In this text there appear some... | 21699 тг |
 | Отрасли знаний: Естественные науки -> Физика Diego Torres Characterization of High-Spin Excited States in the Nucleus 60Ni. 2013 г., 136 стр., мягкий переплет This work presents the results of an experimental study of the excited states of the 60Ni nucleus. High-Spin and highly energetic states in the 60Ni nucleus were populated using fusion-evaporation reactions. Gamma-rays were detected using the Ge-detector array Gammasphere operated in conjunction with ancillary detectors for charged-particles,... | 35153 тг |
 | Отрасли знаний: Естественные науки -> Физика Readul Mahmud Application of the Dynamical Theory of X-Ray Diffraction to CopperZinc. Study the Atomic Scattering Factor, Temperature Dependence of Reflection lines and Characteristics of CnZn Binary Alloy 2013 г., 164 стр., мягкий переплет X-ray diffraction technique have been using for a long time to understand the characteristics of various materials around the world. So it is important to understand the kinematics and dynamical theory and their applications in different cases. So dynamical theory of x-ray diffraction for both absorption and without absorption is developed and... | 40503 тг |
 | Отрасли знаний: Естественные науки -> Физика K. Ravindranadh and M. C. Rao Preparation of CdSe Nanoparticles by CVD. Preparation of CdSe Nanoparticles 2013 г., 64 стр., мягкий переплет Nanoparticles and nanostructural materials are central to fundamental studies, applications in nanoscience and nanotechnology, due to their novel electronic luminescent and magnetic properties that are not present in the bulk forms. Among the various nanostructural materials, Cadmium Selenide and other II–VI compound semiconductors are... | 27755 тг |
 | Отрасли знаний: Естественные науки -> Физика -> Термодинамика Ashmore Mawire Characterisation of a Thermal Energy Storage System. A Research work submitted to the North West University in South Africa for the degree of Doctor of Philosophy in Physics 2013 г., 256 стр., мягкий переплет An oil/pebble–bed thermal energy storage (TES) system to enhance the performance of a solar cooker is characterized by simulation and experiment. Mathematical models to describe the thermal parameters of the solar cooking and TES system are developed using energy balance equations. The models are validated with experimental data and ... | 49094 тг |
 | Отрасли знаний: Естественные науки -> Физика Guram Chilaya Cholesteric Liquid Crystals: Properties And Applications. 2013 г., 112 стр., мягкий переплет This review paper devoted to the investigation of physical properties and application of low molar mass calamatic thermotropic cholesteric liquid crystals. In chapter 1 are considered general properties of cholesterics. In chapter 2 are considered temperature dependence of the pitch in cholesteric liquid crystals. In chapter 3 are presented the... | 29460 тг |
 | Отрасли знаний: Естественные науки -> Физика K. Venkateswara Rao and C.S. Sunandana Combustion & Chemical Bath Deposition of Nanopowders and Thin Films. MgO, NiO, Mg1-xMxO(M=Ni, Co; 0?x?1)and Co3O4 Nanopowders and Thin Films 2013 г., 292 стр., мягкий переплет The general theme of this work is broadly divided into three parts I. Synthesis of transition oxide nano materials of (NiO, Co3O4) and MgO by chemical combustion method for different fuel to oxidizer ratio (0<?<2) in the steps of 0.25) and studies of their structural, electron paramagnetic resonance, optical and microscopic properties. ... | 50373 тг |
 | Отрасли знаний: Естественные науки -> Физика Osama Khaleil Naied We are not Alone. 2013 г., 56 стр., мягкий переплет In this book we explained our Solar System: What it contains, the measuring of distances, the location of the moon, simultaneity, Relativity of Light, Astronomical Fact, The Imam Ali words about Live in another earth-like planets-another solar systems-, our discovered universe, the date difference between our solar system and another, and space... | 27471 тг |
 | Отрасли знаний: Естественные науки -> Физика M. Nizam Mohideen Exposure Chart Preparation Using X – Ray. Aluminium material 2013 г., 52 стр., мягкий переплет Non Destructive Testing methods like liquid penetrate Inspection, Magnetic Particle Inspection, Radio-graphic Testing, Ultrasonic Inspection, Eddy current Testing etc play an important role in promoting quality in Industrial fabrication. Radio-graphic technique uses the penetrating property of radiation of X-ray or gamma rays which as directed... | 27329 тг |
 | Отрасли знаний: Естественные науки -> Физика Zewdu Weldemichael Zena and Girma Goro Gonfa Synthesis and Characterization of Zinc Oxide Nanoparticles. On Nanoscience and Nanotechnology, and Nanomaterial 2013 г., 92 стр., мягкий переплет This book reports study on the synthesis and characterization of ZnO nanoparticles by a two-step synthesis procedure. The first step is the solution-free mechanochemical synthesis of zinc tartarate followed by thermal decomposition. The synthesized ZnO nanoparticles were characterized by XRD,Uv-Vis spectrophotometer,Transmission electron... | 28750 тг |
 | Отрасли знаний: Естественные науки -> Физика Kadathala Linganna and C.K. Jayasankar Luminescence spectroscopy of lanthanides. Optical properties of lanthanide-doped oxide materials 2013 г., 196 стр., мягкий переплет In recent years, optically active glasses offer a broad range of applications; the functionality can be modified by appropriate doping. The design and development of optical devices such as solid state lasers, optical fiber amplifiers, optical storage materials, light converters, sensors, phosphors, acousto-optic modifiers and 3D waveguides, etc.... | 41639 тг |
 | Отрасли знаний: Естественные науки -> Физика Alireza Haghpeima Modern Quantum Mechanics. An Introduction to the Concepts And Applications 2013 г., 100 стр., мягкий переплет Quantum Mechanics is a nondeterministic theory that its mathematical predictions coincide with physical measurements and observations and studies the fundamental questions underlying modern physics a bout time, space,energy and matter and its answeres has philosophical interpretations.Modern Quantum Mechanics is aimed at first - year graduate... | 29034 тг |
 | Отрасли знаний: Естественные науки -> Физика Asit Baran Bhattacharya and Bipasa Raha Particle Physics as Building Blocks of the Universe. Elementary particle physics in relation to its developments and connections with astrophysics and cosmology 2013 г., 424 стр., мягкий переплет The main motivation of this book is to present the subject of elementary particle physics in relation to its developments and connections with astrophysics and cosmology, keeping in mind to show the tremendous development of particle physics as building blocks of the Universe. Besides the Standard Model of quarks and leptons, the shortcomings of... | 55062 тг |
 | Отрасли знаний: Естественные науки -> Физика Alessio Celi Quest for BPS. Toward the classification of BPS solutions of N=2, d=5 gauged supergravity with matter couplings 2013 г., 168 стр., мягкий переплет The N=2, D=5 gauge supergravity theory has attracted a lot of interest due to AdS/CFT and Randall-Sundrum scenarios, as it is the most general supergravity with the minimal amount of supersymmetry in five spacetime dimensions. The study of its BPS solutions which preserve part of the supersymmetry are of chiefly interest in this contest. This... | 40645 тг |
 | Отрасли знаний: Естественные науки -> Физика -> Ядерная физика Awoke Taddesse Hailu and Ashok Kumar Chaubey Alpha Particle induced reaction on Gallium isotopes. 2013 г., 52 стр., мягкий переплет Alpha particle induced reaction on the two gallium isotopes has been studied in the intermediate energies up to 70MeV.The excitation functions of the six reaction channels were calculated using the semiclassical model computer code COMPLET.The theoretical results arecompared with the experimental excitation functions obtained from EXFOR data... | 27329 тг |
 | Отрасли знаний: Естественные науки -> Физика Alaa Jabbar Ghazai,Haslan Abo Hassan and Z. Hassan III-Nitride Optoelectronic Materials and Devices. Characterization, Metal-semiconductor- metal Photodetectors MSM PD, Solar cells, and Multi-Quantum well laser diodes LDs 2013 г., 212 стр., мягкий переплет The objective of this book is to characterize the optoelectronic properties of quaternary n-Al0.08In0.08Ga0.84N thin films grown via plasma assistance molecular beam epitaxy on sapphire (Al2O3) and silicon (Si) substrates for different optoelectronic applications, including Al0.08In0.08Ga0.84N (MSM) photodetectors (PDs), solar cells and... | 47531 тг |
 | Отрасли знаний: Естественные науки -> Физика Georgios Pastras Thermal Field Theory Applications. In Modern Aspects of High Energy Physics 2013 г., 220 стр., мягкий переплет Dynamical supersymmetry breaking in a metastable vacuum is an attractive possibility for supersymmetry breaking. In the first part of this book, using Seiberg-Witten techniques, non-supersymmetric metastable vacua in four dimensional N=2 gauge theories softly broken to N=1 by a superpotential term are constructed and studied. Using Thermal Field... | 47816 тг |
 | Отрасли знаний: Естественные науки -> Физика Chernet Amente Geffe and P. Singh Study Of Photoinduced Ferromagnetism. In Diluted Magnetic Semiconductor (Ga,Mn)As 2013 г., 144 стр., мягкий переплет Effects of photo-excitation and spin wave scattering on magnetism of the diluted magnetic semiconductor (DMS) (Ga,Mn)As is theoretically studied. The exchange coupling energy between Mn+2 spins local moments is computed starting with the zeeman energy. Its equivalence with the Rudermann-Kittel-Kasuya-Yosida (RKKY) exchange energy which is known... | 35437 тг |
 | Отрасли знаний: Естественные науки -> Физика Chandani Palshetkar Study of reactions with the weakly bound projectile: 9Be. Investigation of the effect of breakup on reaction channels at near barrier energies 2013 г., 144 стр., мягкий переплет This work consists of elastic scattering and fusion reaction studies, at near barrier energies, involving the weakly bound stable projectile 9Be and a medium mass target 89Y. The main aim of this work has been to study the effect of breakup on these reaction channels. In the few studies available at present involving 9Be projectiles, there have... | 35437 тг |
 | Отрасли знаний: Естественные науки -> Физика Meherun Nessa Electrical and Dielectric properties of Carbon Micro Coils. 2013 г., 56 стр., мягкий переплет The morphology, electrical and dielectric properties, tactile sensing properties of Carbon micro-coils (CMC) composite sheet were examined. Frequency dependent of electrical and dielectric parameters; inductance (L), capacitance (C), Resistance (R), Impedance (Z), dielectric loss angle (?), dielectric loss tangent (tan?) and relative dielectric... | 27471 тг |
 | Отрасли знаний: Естественные науки -> Физика Dr. Gagan Anand Complex dielectric Studies of biological tissues. 2013 г., 160 стр., мягкий переплет A living system includes different types of tissues in which various physico-chemical processes proceeds under different biological conditions to keep an organism in a living condition. A tissue can be defined as a group of similar or dissimilar cells that perform a common function and have a common origin. All these tissues are composed of... | 36005 тг |
