... Electromagnetic Power frequency waveform electric and magnetic fields occur through human activity wherever electricity is generated, transmitted and used The Difference Between Electric and Magnetic ... electric and magnetic field levels from overhead power lines Line voltage 115 kV Electric field kV/m Magnetic field mG 230 kV Electric field kV/m Magnetic field mG 500 kV Electric field kV/m Magnetic ... safety and quality of life that we benefit from today could not have happened without a reliable and affordable electric supply But could electricity be bad for our health? Electric and magnetic...
Ngày tải lên: 31/03/2014, 22:20
... accelerators and X-ray imaging The core underlying most of our software packages is the calculation of electric and magnetic fields over threedimensional volumes To use our electric and magnetic ... 3D magnetic fields: free-space calculations 109 20 3D magnetic fields: iron and permanent magnets 117 Introduction Field Precision finite-element programs covers a broad spectrum of physics and ... you brush up on electric and magnetic field theory The book also gives a detailed description of the FEM techniques I will discuss: S Humphries, Finite-element Methods for Electromagnetics (CRC...
Ngày tải lên: 31/07/2016, 21:04
Electric and hydrogen consumption analysis in plug-in road vehicles
... production and transportation of electricity, and production and transportation of hydrogen (and the same for the gasoline for the conventional vehicles) In battery electric vehicles only electricity ... Results and discussion The energy consumption of the vehicles is given in equivalent liters of gasoline, thus allowing to compare the consumption of BEV´s (electricity) and PHEV-FC´s (electricity and ... capabilities and behaviour of BEV and PHEV-FC road vehicles facing the driving style, road gradient, occupancy rate, electrical load, and battery's initial state of charge This study covers pure electric...
Ngày tải lên: 05/09/2013, 14:58
iec 60332-2_2 tests on electric and optical fibre cables under fire condition
... report on ONE STANDARD and ONE STANDARD ONLY Enter the exact number of the standard: (e.g 60601-1-1) Q6 standard is out of date standard is incomplete standard is too academic standard is too superficial ... questions concerning standardization in the electrical and electronic fields To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical ... This first edition of International Standard IEC 60332-2-2, together with IEC 60332-2-1, cancel and replace the third edition of IEC 60332-2, published in 1989, and constitute a technical revision,...
Ngày tải lên: 25/12/2013, 10:58
iec 60332-1_1 tests on electric and optical fibre cables under fire condition
... report on ONE STANDARD and ONE STANDARD ONLY Enter the exact number of the standard: (e.g 60601-1-1) Q6 standard is out of date standard is incomplete standard is too academic standard is too superficial ... confirmatory test arrangement and guidance IEC Guide 104, The preparation of safety publications and the use of basic safety publications and group safety publications Terms and definitions For the ... questions concerning standardization in the electrical and electronic fields To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical...
Ngày tải lên: 25/12/2013, 10:59
Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
... nanoparticles, Journal of Magnetism and Magnetic Materials, Vol 320 (2008) 857 [6] R.M More, T.J Shinde, N.D Choudhari, P.N Vasambekar, Effect of temperature on X-ray, IR and magnetic properties of nickel ... the relation and is shown in table with K = HCMS Magnetic structure of ferrite Ni1-xCoxFe2O4 is decribed following [8]: Fe3+ [ Ni2+1-x tetrahedral Co2+x Fe3+ ] O2-4 octahedral The magnetic moment ... K.Chandra, Preparation and characterization of nanosize nickel-substituted cobalt ferrites (Co1-xNixFe2O4), Journal of Solid State Chemistry, Vol 178 (2008) 3183 [3] Z.P Niu, Y Wang, F.S Li, Magnetic...
Ngày tải lên: 13/02/2014, 04:20
Implementation of the Waste Electric and Electronic Equipment Directive in the EU pot
... favourable to recycling and reuse, selecting non-hazardous and non-toxic materials and substances, and materials favourable to recycling and reuse, and providing major components and other information ... Products and Electronic Products” in 2004 and submitted them to the State Council for promulgation Its objective was to regulate the recycling and treatment of waste and used household electrical and ... Netherlands, Belgium and Sweden are “tried and tested” and represent the only approach that has so far been shown to work in practice The clearing house model, on the other hand, lacks experience and...
Ngày tải lên: 08/03/2014, 13:20
Physics of magnetism and magnetic materials k buschow, f de boer
... H J Buschow (Ed.) Handbook of magnetic materials, Amsterdam: North Holland Publ Co., Vol 6, p 181 Brooks, M S S and Johansson, B (1993) in K H J Buschow (Eds) Handbook of magnetic materials, ... HEISENBERG EXCHANGE INTERACTION AND THE WEISS FIELD 21 ferromagnetic 3d elements like Ni, Co, and Fe (parallel moment arrangements) from the antiferromagnetic elements Mn and Cr (antiparallel moment ... on the magnetic behavior of a ferromagnetic material above In this case, the magnetic moments are no longer ferromagnetically ordered and the system is paramagnetic Therefore, we may use again...
Ngày tải lên: 17/03/2014, 13:39
synthesis, structure and magnetic properties of iron-doped tungsten oxide nanorods
... [16] Amorphous Fe2O3 is paramagnetic at temperatures above T N ¼ 80 K with a magnetic moment of 2:5mB per atom of iron [17] The a-Fe2O3 phase is antiferromagnetic (paramagnetic) at temperatures ... arrangement and development of weak ferromagnetism occurs between 260 and 950 K [16] bFe2O3 exhibits paramagnetic behavior at temperatures above 119 K [16] The thermal instability of ferrimagnetic ... temperature and vanishes at 1000 K Among all iron oxides, Fe3O4 and g-Fe2O3 exhibit the largest saturation magnetization of 84 and 74 Am2/kg, respectively The slightly decreasing feature between 800 and...
Ngày tải lên: 20/03/2014, 13:08
Báo cáo khoa học: H NMR study of the molecular structure and magnetic properties of the active site for the cyanomet complex of O2-avid hemoglobin from the trematode Paramphistomum epiclitum pdf
... [16] and as conrmed herein by solution 1H NMR of Pe metMbCN Proximal and distal residues are shown as rectangles and circles, respectively, and arrows connecting heme substituents and residues, and ... Hemoglobin and Myoglobin and Their Reactions with Ligands Elsevier, North-Holland Publishing, Amsterdam, the Netherlands Dickerson, R.E & Geis, I (1983) Hemoglobin: Structure, Function, Evolution and ... points) at 25 C, 30 C and 35 C in order to identify scalar and dipolar connectivities among heme and amino acid residues Spectral widths of 13 kHz and mixing times of 80 ms for NOESY and 50 ms for TOCSY...
Ngày tải lên: 23/03/2014, 17:22
electric and hybrid vehicles design fundamentals ~ team tolly
... engineers of today and tomorrow with the technical details of electric and hybrid vehicles and the electrical units used within an automobile While there are ample books on electric and hybrid vehicles ... facilities: residential and public charging facilities and stations • Standardization of EV plugs, cords, and outlets, and safety issues • Sales and distribution • Service and technical support ... 94–413, the Electric and Hybrid Vehicle Research, Development and Demonstration Act of 1976 This act authorized a federal program to promote electric and hybrid vehicle technologies and to demonstrate...
Ngày tải lên: 06/05/2014, 11:33
modern electric hybrid electric and fuel cell vehicles
... research and development of electric and hybrid electric vehicles His research areas are mainly on the fundamentals, architecture, control, modeling, and design of electric and hybrid electric ... Efficient Electric Motors, Marcel Dekker, 2004; Uninterruptible Power Supplies and Active Filters, CRC Press, 2004; Modern Electric, Hybrid Electric, and Fuel Cell Vehicles: Fundamentals, Theory, and ... between the fuel and the air that releases heat and combustion products The heat is converted to mechanical power by an engine and the combustion Modern Electric, Hybrid Electric, and Fuel Cell...
Ngày tải lên: 06/05/2014, 11:35
Anisotropic Magnetoresistance and Magnetic Anisotropy in High-quality (Ga,Mn)As Films
... of the magnetic properties of this system, including TC [1], the magnetic anisotropy [2,3], and the magneto-optical response [4] There is consequently a strong interplay between magnetic and transport ... Magnetoresistance effect and related phenomena in magnetic metal films have found widespread applications in magnetic sensing and recording technologies Magnetoresistive devices based on III-V magnetic semiconductors ... carriers and magnetic ions, the resistivity depends on the angle between the sample magnetisation and the applied current This is a well-known effect in ferromagnetic materials Applying a small magnetic...
Ngày tải lên: 31/05/2014, 22:00
Báo cáo toán học: " Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx
... photoconductivity and considerable piezoelectric and pyroelectric properties [1] Because of these properties, ZnO has attracted much attention for potential applications in various electronic and optoelectronic ... Synthesis and optical and magnetic properties of diluted magnetic semiconductor Zn1-xMnxO hollow spherical structures J Phys Chem C 2009, 113:1812-1817 Figure Macrographs (a), XRD (b), and FTIR ... Mn-doped ZnO diluted magnetic semiconductors [DMSs] by Dietl et al [8] DMSs are materials that simultaneously exhibit ferromagnetic and semiconducting properties In DMS materials, magnetic transition...
Ngày tải lên: 20/06/2014, 20:20
Báo cáo hóa học: " Synthesis and magnetic properties of Zr doped ZnO Nanoparticles" docx
... measurements and data analysis, and drafted the manuscript DG and DX made the conception and design of the manuscript ZZ2 carried out the XPS measurements and data analysis JLZ and ZZ1 participated ... measurements and data analysis GY and ZS participated in the data analysis and the interpretation of the results All authors have been involved in revising the manuscript, read and approved the ... 91:072511 Dietl T: Ferromagnetic semiconductors Semicond Sci Technol 2002, 17:377 Chambers SA: Ferromagnetism in doped thin-film oxide and nitride semiconductors and dielectrics Surf Sci Rep 2006,...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: "Investigation of electrical and magnetic properties of ferro-nanofluid on transformers" pptx
... Fe O nanofluid measured by a VSM Results and discussion Different magnetic cores, air, and Fe3O4 nanofluids of 0.25, 0.5, 0.75, and M were applied as the magnetic core of transformers The inductance ... experimental investigations of electric and magnetic properties of ferro-nanofluids on transformers and prepared the draft, PH proposed the phenomena for investigation and revised the manuscript, ... of Brownian and Neel relaxation in magnetic fluids J Magn Magn Mater 1999, 201:102-104 doi:10.1186/1556-276X-6-264 Cite this article as: Tsai et al.: Investigation of electrical and magnetic properties...
Ngày tải lên: 21/06/2014, 04:20
Báo cáo hóa học: "Fabrication and magnetic properties of granular Co/porous InP nanocomposite materials" ppt
... Cu and dendrimer matrix [22,36] Figure shows magnetic hysteresis loops of Co/InP composite structure with the deposition time of for both perpendicular and parallel orientations, where H// and ... 19 20 21 22 23 24 25 26 Zeng H, Skomski R, Menon L, Liu Y, Bandyopadhyay S, Sellmyer DJ: Structure and magnetic properties of ferromagnetic nanowires in selfassembled arrays Phys Rev B 2002, ... of an array of nickel nanotubules and its magnetic behavior Adv Mater 2001, 13:1631-1633 Li DD, Thompson RS, Bergmann G, Lu JG: Template-based synthesis and magnetic properties of cobalt nanotube...
Ngày tải lên: 21/06/2014, 04:20