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 | Отрасли знаний: Естественные науки -> Физика -> Ядерная физика Abouzeid A. Thabet Scintillation Detectors FEPE Determination using Volumetric Sources. Radiation Detection using Scintillation Detectors 2013 г., 204 стр., мягкий переплет Experimental determination of detector efficiency is an inflexible and a time consuming process, so the interest for computational techniques based on different principles, models, and assumptions increased during the last years. In this work the Full-Energy Peak Efficiency (FEPE) of two different NaI(Tl) scintillation detectors... | 43812 тг  |
 | Отрасли знаний: Естественные науки -> Физика Abbi Seyoum Demissie and Legesse Wotro Kebede The Effect Of Electron Pressure On Accretion Disks Of A Neutron Star. 2013 г., 60 стр., мягкий переплет The stability at temperature approaching to zero and finite temperature of thin, gas pressure dominated accretion disk around neutron star is presented in this book. The contribution of both fully and partially degenerate electrons for the stability of the disk in middle and outer regions are investigated. Moreover, the book provides different... | 23208 тг |
 | Отрасли знаний: Естественные науки -> Физика Jonas Bugase and Wole Soboyejo Modelling of an Implantable Device for Localized Hyperthermia. A Finite Element Analysis 2013 г., 76 стр., мягкий переплет A mathematical framework on relaxation losses of heating of magnetite nanoparticles synthesized with Polydimethylsiloxane (PDMS) gel encasement is presented. Numerical solution of the mathematical model showed explicit dependence of the temperature rise of the device on frequency and amplitude of the external applied field, relaxation time and... | 23777 тг |
 | Отрасли знаний: Естественные науки -> Физика Shalini Vishwanath Patil Photo-Mechnical Effect. Photoplastic After-Effect and Photoplastic Memory Effect in II-VI Semiconductors 2013 г., 140 стр., мягкий переплет The study of the properties of charged dislocations in semiconductor crystal is now a large independent field of semiconductor physics. Latest investigations indicate that changes in the electronic subsystem of II-VI semiconductors significantly effect the motion of dislocation.The photoplastic effect in crystalline materials has been extensively... | 24598 тг |
 | Отрасли знаний: Естественные науки -> Физика Jasvinder Singh Systematic Studies on Classical and Quantum Dynamical Systems. 2013 г., 212 стр., мягкий переплет Integrability of a dynamical system is a concept which is widely discussed for a long time in physics, mathematics and somewhat differently in different contexts. It can also be considered as a mathematical property that can be successfully used to obtain more predictive power and quantitative information to understand the system globally.... | 46515 тг |
 | Отрасли знаний: Естественные науки -> Физика S. Sankar Naik and V. Rajagopal Reddy Studies on Vanadium based Schottky Contacts to n-type Indium Phosphide. 2013 г., 164 стр., мягкий переплет Indium phosphide (InP) with a direct band gap of 1.35 eV is a promising material for photovoltaic solar energy conversion. The high radiation resistance and potentially high efficiency make InP solar cells excellent candidates for eventually using in space. InP and its related compounds have found potential applications in the design of high speed... | 42391 тг |
 | Отрасли знаний: Естественные науки -> Физика -> Ядерная физика Gholam Hossein Roshani,Farzin Shama and Seyed Amir Hossein Feghhi Some Applications of Artificial Neural Network in Nuclear Engineering. 2013 г., 84 стр., мягкий переплет In this book some applications of artificial neural network in nuclear engineering are presented. In densitometry, number of scattered and counted gamma photons highly depends on material density. Using this relation, two different multi-layer perceptron artificial neural networks are proposed to predict material density. The results of proposed... | 24061 тг |
 | Отрасли знаний: Естественные науки -> Физика Narendra Agarwal Mystery of Wave Particle Duality. Electron Waves & Electromagnetic Waves 2013 г., 84 стр., мягкий переплет Mystery of Wave Particle Duality is prevailing since 17th century with the proposition of wave theory of light. With the discoveries of electron as negatively charged particle and its travel as wave further deepened the mystery. This book raises the curtain from this mystery with proofs and claims that there is no other solution to wave particle... | 24061 тг |
 | Отрасли знаний: Естественные науки -> Физика Ermias Kassaye Determining fat and protein contents of milks using He-Ne laser. 2013 г., 60 стр., мягкий переплет The main objective of this thesis is to build up simple, an accurate and fast method for the determination of fat and protein content in milk samples. Based on the laser scattering theory, the ratio of the scattered to transmitted light intensity is considered as an essential optical parameter characterizing the fat and protein contents inside the... | 23208 тг |
 | Отрасли знаний: Естественные науки -> Физика R. J. Slobodrian Metallic Fractal Aggregates and Monomers. 2013 г., 84 стр., мягкий переплет This book contains results of research carried out on physical fractals during a quarter of a century at the physics department of Universit? Laval. The monomers of the fractals range from nano meter to micrometer scales. They span a region considered to be a transition from quantum to classical physics. The phenomena are sometimes treated with... | 19221 тг |
 | Отрасли знаний: Естественные науки -> Физика Dmitry Druzhinin Other time measurements in space-time continuum. Substantiation of the existence of the speed limit and of the Planck's constant 2013 г., 52 стр., мягкий переплет The work proposed to the reader asserts the equality of all speeds in nature and, consequently, the existence of a multitude of time measurements in the space-time continuum. Based on this statement a method is presented for building a space-time-related inertial reference configuration. Using this method, a theoretical substantiation is given of... | 20988 тг |
 | Отрасли знаний: Естественные науки -> Физика Krishna Murti Raju Anharmonic properties of materials. A theoretical approach focused on uranium mono-chalcogenides 2013 г., 132 стр., мягкий переплет Tremendous advances have taken place over the last few years in the field of material science. Material characterization has become an important and powerful research tool in physics. This book aims at answering and explaining some of the problems on anharmonic properties of crystals through a multipronged approach. An effort has been made for... | 36414 тг |
 | Отрасли знаний: Естественные науки -> Физика Tewodros Eyob Ada Structural,energetic and magnetic properties of small CuNi clusters. CuNi clusters of (CuxNiy where x+y=2-11) within the frame work of density functional formalism 2013 г., 68 стр., мягкий переплет In this book we have investigated the structures,energetics and magnetic properties of CuxNiy clusters(where x+y=2-11)within the frame work of density functional formalism.The calculated results show that Ni-Ni distance is the cause for the stability and structure of the clusters.The ferro-magnetism of cluster found to be depend on Ni-Ni... | 23493 тг |
 | Отрасли знаний: Естественные науки -> Физика -> Ядерная физика Mohamed Badawi Gamma-Ray Detectors Efficiency. Radiation Detection 2013 г., 188 стр., мягкий переплет In the field of radiation physics, the study and measurement of the gamma-ray energy emitted from radionuclides are very important, and have many applications in different fields of sciences such as in the study of nuclear structure, the identification of radioisotopes and their activities, estimating absorbed dose, and the determination of... | 43243 тг |
 | Отрасли знаний: Естественные науки -> Физика Appasaheb Babar and K. Y. Rajpure Antimony Doped Tin Oxide (ATO): Transparent Conductor. 2013 г., 180 стр., мягкий переплет Antimony doped tin oxide (ATO) thin films exhibit interesting properties in different field’s of science and technology, such as low temperature electrochemical combustion of organic pollutants, ozone production and organic electro-synthesis. Being transparent to visible light while simultaneously possessing a relatively high electron... | 42959 тг |
 | Отрасли знаний: Естественные науки -> Физика -> Ядерная физика Lu?s Silva Gluon Polarisation Through High pT Hadron Production. An experimental measurement performed at the COMPASS experiment 2013 г., 240 стр., мягкий переплет One of the missing keys in the present understanding of the spin structure of the nucleon is the contribution from the gluons: the so called gluon polarisation. This quantity can be determined in DIS through the Photon-Gluon Fusion (PGF) process, in which two analysis methods may be used: (i) identifying open charm events or (ii) selecting events... | 47510 тг |
 | Отрасли знаний: Естественные науки -> Физика Vsevolod Yarosh Transformer Tesla-Yarosh. Ripple of living Universe 2013 г., 136 стр., мягкий переплет In the book describes the phenomenon of conversion of magnetic vortices in the flow of alternating current. The design of the device, which implements the phenomenon of the physical vacuum. The main elements of the device are: the high-frequency current generator, which creates a flow of electric current in the bifilar winding transfrmatora.... | 36556 тг |
 | Отрасли знаний: Естественные науки -> Физика G. Nirmala,M.C. Rao and R.V.S.S.N. Ravikumar Growth of ZnSe Nanoparticles by CVD. Preparation of ZnSe Nanoparticles 2013 г., 76 стр., мягкий переплет Almost all material systems including metal, insulators and semiconductors show size dependent electronics or optical properties in the quantum size regime. Among these, the modification in the energy band gap of semiconductors is the most attractive one because of the fundamental as well as technological importance. The tunability of the band gap... | 21841 тг |
 | Отрасли знаний: Естественные науки -> Физика Giorgio Busoni LHC Bounds on Large Extra DImensions. 2013 г., 80 стр., мягкий переплет Why is Higgs Boson mass so small, compared to the Plank scale? The Large Extra Dimension (ADD/GOD) model tries to give an answer to this question, by explaining that is not the Higgs mass to be too small, but the Plank scale that we consider to be higher than his real value. This happens because of the presence of additional large highly curved... | 21983 тг |
 | Отрасли знаний: Естественные науки -> Физика Tushar Salve PLD of Silicon nanostructures for PV applications. 2013 г., 156 стр., мягкий переплет The experimental results reported herein thesis book provide interesting information about the synthesis of nanostructured silicon film by PLD. The capability to finely tune the morphology and consequently the optical properties of the nanostructures by properly adjusting the experimental parameters during the deposition paves the way to... | 38718 тг |
 | Отрасли знаний: Естественные науки -> Физика Fateh S. Nabha Time and Space is a Fiction - Only Distance is a Reality. A Scientific Discovery 2013 г., 88 стр., мягкий переплет This book proves that Time and Space do not exist only Distance exists. It is clear from the Title of my book that Time is a fiction or in other words for an imaginary event, which means something that is not real, whereas distance which can be measured between two points is a reality. This in summary explains my book. I came to this discovery... | 29043 тг |
 | Отрасли знаний: Естественные науки -> Физика Prasada Rao Talakonda ZnO Thin Films for Optoelectronic Applications. Structural,Optical and Electrical Properties of ZnO Thin Films 2013 г., 220 стр., мягкий переплет Zinc oxide (ZnO) thin films have good electro-optical properties suitable for opto-electronic applications. The present study explains the deposition and characterization of n-type and p-type ZnO thin films by spray pyrolysis. The films were characterized by different methods to understand their structural, optical and electrical properties.... | 43412 тг |
 | Отрасли знаний: Естественные науки -> Физика Mishreyee Bhattacharya and Milan K. Sanyal Ultrathin Polymer Films. Growth and Properties 2013 г., 196 стр., мягкий переплет Polymer ultrathin films have become a fascinating multidisciplinary area of research due to its endless applications in our day-to-day life. With reduction of film thickness to a dimension comparable to the chain length, the confinement effect makes polymer films ideal system to investigate novel properties of two dimensional physics. Advent of... | 40139 тг |
 | Отрасли знаний: Естественные науки -> Физика Debdeep Ghosal Half Life And Nuclear Reaction Cross Section Using Decay Spectroscopy. Study of decay half lives and nuclear reaction cross section using decay spectroscopy with HPGe detector 2013 г., 52 стр., мягкий переплет This project describes mainly the calculation of half lives of the observed gamma rays and production cross-sections for the nuclei produced in the nuclear reaction 150Nd at 15 MeV. Here, with the help of two known sources (133Ba and 152Eu) energy and efficiency calibrations were done. The efficiency havs been measured at two different distances... | 20988 тг |
 | Отрасли знаний: Естественные науки -> Физика Soham Biswas Novel Dynamical Phenomena In Magnetic Systems. 2013 г., 136 стр., мягкий переплет We often refer to the magnetic dipoles as spins. The simplest model describing interactions between spins, is the Ising Model,proposed by E. Ising in 1925. Dynamics of Ising models is a much studied phenomenon and has emerged as a rich field of present-day research. An important dynamical feature commonly studied is the quenching phenomenon below... | 33652 тг |
