electric and magnetic fields

... electric or magnetic field oscillates, or cycles backward and forward every second, and is measured in hertz The earth’s electric and magnetic fields not oscillate They are called static fields and have ... and used The Difference Between Electric and Magnetic Fields Electric fields Electric fields are produced by voltage Voltage is the pressure behind the flow of electricity It can be compared to ... weaken or shield electric fields Electric fields are measured in volts per meter Electric fields Magnetic Fields Produced by voltage Lamp plugged in but turned off Voltage produces an electric field...

Ngày tải lên: 31/03/2014, 22:20

... Quantum Dot in the Presence of Unidirectional Electric and Magnetic Fields Let us to consider an impenetrable SOEQD located in unidirectional electric and magnetic fields (see Fig 1a) The potential ... Dot in the Presence of Unidirectional Electric and Magnetic Fields Now let us to consider an impenetrable SPEQD located in the unidirectional electric and magnetic fields (see Fig 1b) For this ... function of electrical and magnetic field intensities, under fixed values of half-axis: a1 = 0.3aB and c1 = 2aB fixed lengths of half-axis One can see that the effects of the electrical and magnetic...

Ngày tải lên: 22/06/2014, 19:20

... Magnetic Fields There are two broad areas of magnetic field research: research in producing high magnetic fields and research using high magnetic fields Research in producing high magnetic fields ... continuous and pulsed high magnetic fields are needed in highmagnetic-field research Continuous high magnetic fields require large power sources to generate steady high-intensity magnetic fields ... materials growth and processing; and magnetic separation Research with high magnetic fields has led to the development of magnetic resonance imaging for medical purposes and of nuclear magnetic resonance...

Ngày tải lên: 06/03/2014, 15:20

... electromagnetic fields Variation with intensity, waveform and individual or combined electric and magnetic fields Radiat Res 78, 485-501 Goodman R, Bassett CA, Henderson A (1983) Pulsing electromagnetic ... effect of static magnetic fields involves many topics physiology and medicine, including nuclear magnetic resonance (NMR) imaging, magnetic separation of biological materials and orientation of ... short period high magnetic fields failed to reveal significant differences between exposed and sham-exposed groups of Drosophila (Mittler, 1971; Kale and Baum, 1979, 1982; Mulay and Mulay, 1961,...

Ngày tải lên: 14/08/2014, 20:20

... (77):4147–4179, 2004 [9] M Dimassi and V Petkov Spectral problems for operators with crossed magnetic and electric fields J Phys A, 43(47):474015, 14, 2010 [10] M Dimassi and V Petkov Spectral shift ... Spectral shift function for operators with crossed magnetic and electric fields Rev Math Phys., 22(4):355–380, 2010 [11] M Dimassi and J Sj¨ ostrand Spectral asymptotics in the semi-classical limit, ... )) is the magnetic potential and is independent of the first coordinate We always suppose that |∂ α Aj (x′ )| ≤ Cj,α for all α ∈ Nn \ {0} and V ∈ C0∞ (Rn ) Then the operators P( h) and P (h)...

Ngày tải lên: 12/10/2015, 10:38

... 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

... 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

... 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 ... 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...

Ngày tải lên: 25/12/2013, 10:59

... 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 60332-1-2, together with IEC 60332-1-1, cancel and replace the third edition of IEC 60332-1, published in 1993, and constitute a technical revision,...

Ngày tải lên: 25/12/2013, 10:59

... 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 ... safety publications and the use of basic safety publications and group safety publications ISO 187, Paper, board and pulps – Standard atmosphere for conditioning and testing and procedure for monitoring ... 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

... 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 ... edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment and the base publication incorporating amendments and Informations supplémentaires...

Ngày tải lên: 25/12/2013, 11:00

... Tourbot and H Alloul 311 Interplay between Spin and Crystal Lattices in Antiferromagnetic YBa2Cu306.25 V Sandu, E Cimpoiasu, C C Almasan, A P Paulikas andB W Veal 312 Magnetotransport and the Magnetic ... fractions: 4/11, 5/13, and 6/17 between v=2/5 and v=l/3, 4/13 and 5/17 between v=l/3 and v=2/7, and 4/19 between v=2/9 and v=l/5 The v=4/ll state was studied in detail The tilting magnetic field data ... observed in the first and second Landau levels.1"3 For example, in the first Landau level, FQHE sequences of v=p/(2p±l) and V=p(4p±l) form around v=l/2 and v=l/4, and of v=2-p/(2p±l) and v=l-p/(4p±l)...

Ngày tải lên: 12/02/2014, 16:20

... 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

... 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

... 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, ... It will be shown later how crystal fields can also lift the degeneracy of the 2J + ground-state manifold The combined action of crystal fields and magnetic fields generally leads to a splitting ... 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...

Ngày tải lên: 17/03/2014, 13:39

... [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

... [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

... tourism, trade and investment, information and communication technology and population and migration In line with the current inter-agency coordination mechanism mandated by the Economic and Social ... Economic and Social Affairs, the United Nations Conference on Trade and Development (UNCTAD) and other members of the Executive Committee on Economic and Social Affairs, to assess all mandates ... General Assembly on the review of mandates, reform of the Economic and Social Council and its enhanced role and establishment of the Peacebuilding Commission Reforms and programmatic adjustments Member...

Ngày tải lên: 23/03/2014, 21:20

... 4.3 Magnetic "elds from the electroweak phase transition 4.4 Magnetic helicity and electroweak baryogenesis 4.5 Magnetic "elds from in#ation 4.6 Magnetic "elds from cosmic strings Particles and ... and the magnetic energy density This corresponds to a magnetic "eld strength in the range  Readers with some experience in "eld theory may recognize that by producing parallel electric and magnetic ... and fast reconnection of magnetic lines In the frozen-in limit magnetic lines are distorted and stretched by turbulent motion It can be shown [13] that in the same limit the ratio B/ of the magnetic...

Ngày tải lên: 24/04/2014, 17:19

... 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