Effect of electro magnetic field

... heated by rotations of polar molecules induced by the electromagnetic field • In the case of a person using a cell phone, most of the heating effect will occur at the surface of the head, causing ... Gadgets Cell phone, Laptop, etc Effect of Electro- Magnetic Field (EMF) on Human Health Dr R S Sharma Sr Deputy Director General & Scientist-G Division of RCH Indian Council of Medical Research New Delhi ... health effects • Microwaves absorbed by the body are converted to heat • The amount of heat produced is related to the amount of energy deposited THERMAL EFFECT – Mechanism • An effect of microwave...

báo cáo hóa học: " Topological confinement in an antisymmetric potential in bilayer graphene in the presence of a magnetic field" pptx

... perpendicular external magnetic field, both for the case of a single potential kink, as well as for a kink-antikink pair One advantage of such a setup is the fact that in an experimental realization of ... levels of a kink-antikink potential as function of an external magnetic field for (a) ky = and (b) ky = 0.2 For the kink-antikink case, the overlap between the states associated with each confinement ... obtained the spectrum of electronic bound states that are localized at potential kinks in bilayer graphene, which can be created by antisymmetric gate potentials For a single potential kink, the...

MAGNETIC FIELD DEPENDENCE OF MAGNETIC CASIMIR EFFECT

... positive for the case of D = 100 nm III.2 Dependence of the Casimir force on direction of magnetic field To study the influence of the direction on the magnetic field on the Casimir effect, we changed ... change of sign happens, we present in Fig.4a, MAGNETIC FIELD DEPENDENCE OF MAGNETIC CASIMIR EFFECT 287 Fig Magnetic Casimir energy between the plates as a function of separation distances of plates ... frequency is given MAGNETIC FIELD DEPENDENCE OF MAGNETIC CASIMIR EFFECT 285 eB ∗ by ωc = m ∗ , B is the magnetic field amplitude; τ is the relaxation time, m is the effective mass of the electron...

ON THE HALL EFFECT IN PARABOLIC QUANTUM WELLS WITH AN IN PLANE MAGNETIC FIELD IN THE PRESENCE OF a STRONG ELECTROMAGNETIC WAVE (LASER RADIATION)

... have studied the Hall effect in quantum wells with parabolic potential subjected to a crossed dc electric and magnetic fields in the presence of a strong EMW (laser radiation) The electron - acoustic ... optical phonon interaction has been taken into account and the influence of a strong EMW has been considered in details To make a comparison of the effect of different scattering mechanisms, in ... ordinary Hall effect The analytical results are numerically evaluated and plotted for a specific quantum well GaAs/AlGaAs to show clearly the dependence of HC on the external fields and parameters of...

Effect of Calcium and Magnesium Addition on Arsenic Leaching from Paddy Field Soil of Bangladesh

... investigate the effect of Ca and Mg addition on the leaching behavior of As from highly contaminated paddy field soil under different concentrations of Ca and Mg addition, pH conditions and anaerobic ... Other Conditions 0.9 Effect of P and 100 and 2.0 pH adjusted to 3.0, 5.0, 7.0, 9.0 and 11.0 pH 7.0 Leaching in anaerobic incubation and 100 0.9 Effect of Ca and Mg concentrations Effect of pH ... Ca and Mg addition was effective in reducing As leaching from soil Leaching of As was decreased with the increase of Ca and Mg concentration in the solution In high pH (11.0) the effect of Ca and...

Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx

... addition of Co2+ ion content, which may be attributed to the ionic radii of constituent ions causing increase in lattice parameter and the densities of pure cobalt ferrite (5.29 g/cm3) and pure nickel ... temperature.These plots show that an increase in Co2+ doping yields monotonic increase in the saturation magnetization of Niferrite which may be due to the substitution of Ni2+ ions by Co2+ on the octahedral ... to the contribution of magnetocrystalline anisotropy of material, the second one is given by shape anisotropy of crystalline particles (domains) and the third one is orginated from the action of...

Detection of breast cancer cells using targeted magnetic nanoparticles and ultra-sensitive magnetic field sensors potx

... for breast cancer and ultra-sensitive detection of these particles by using Superconducting Quantum Interference Device (SQUID) sensors [7] Magnetic relaxometry [6,8-10] for detection of targeted ... (Figure 2), and with the detection of Her2 antigen by immunofluorescence (Figure 4a-c) Therefore, the binding of anti-Her2-labeled magnetic nanoparticles to live cells Hathaway et al Breast Cancer ... antibody-bound magnetic nanoparticles demonstrate the feasibility of using targeted nanoparticles in combination with SQUIDdetected magnetic relaxometry to detect breast tumor cells First, the magnetic...

báo cáo hóa học: " The investigation of frequency response for the magnetic nanoparticulate assembly induced by time-varied magnetic field" ppt

... with the frequency increasing, the magnetic relaxation time of cluster is more and more Page of above the period of external field (The relaxation time is constant while the period of field is the ... respect to the field period was shown in Figure Conclusions In summary, we demonstrated the frequency response of g-Fe2O3 colloidal assembly induced by time-varied magnetic field The higher frequency ... favors the formation of fibrous assemblies The assembly mechanism lies in the difference between the magnetic relaxation time and the Figure Schematic illustration of assembly mechanism based on the...

Báo cáo hóa học: " Influence of Landau level mixing on the properties of elementary excitations in graphene in strong magnetic field" docx

... interaction leads to mixing of transitions between diﬀerent pairs of Landau levels, changing the resulting energies of elementary excitations Characteristic energy of Coulomb interaction in magnetic ... Landau level mixing and show how the properties of these excitations change in comparison with the lowest Landau level approximation For magnetoexcitons, we take into account the mixing of asymptotically ... magnetoexcitons in graphene, which is applied in Section to study in uence of Coulomb interaction and Landau level mixing on their properties In Section 4, we study magnetoplasmons in graphene in the random...

Báo cáo hóa học: " Electron-Spin Precession in Dependence of the Orientation of the External Magnetic Field" docx

... study the electron-spin dynamics in dependence of the orientation (h) of the magnetic ﬁeld The spin precession frequency, amplitude, and decay rate as a function of h are estimated and their dependences ... electron spin and rapidly relaxing spin of the hole Since gk and g\ are close in magnitude, the contribution from a difference in the spread of their values reveals not to be dominating in the observed ... (parallel to the longitudinal axis, here k) acting on the electron spin The speed and direction of the electron-spin precession are determined by the total ﬁeld Htot: a vector sum of the magnetic...

Báo cáo hóa học: " Effect of Substrate Morphology on Growth and Field Emission Properties of Carbon Nanotube Films" pptx

... variety of nanostructured carbon films ranging from diamond [24], carbon nanosheets [25] CNTs [20, 23], and carbon nanobells [26, 27] to monochiral MWNTs [28] on Si substrates This technique offers ... treatment of Fe film on such substrates These particles probably seeded the nucleation and growth of CNTs Surface morphology of CNT films deposited on such substrates is presented in Fig Sample consists ... aligned growth This indicates that orientation of nanotubes is largely dependent on the local geometry of the substrate This was further confirmed by the orientation of CNTs near the edge of the substrates...

Báo cáo hóa học: " Effect of Purity and Substrate on Field Emission Properties of Multi-walled Carbon Nanotubes" pdf

... layer porous carbon paper which consists of a macroporous layer of carbon fiber paper (SGL, Germany) and a microporous layer of carbon black powder and a hydrophobic agent The carbon black powder ... enhances an intimate electronic contact between the CNTs and the macroporous carbon paper The graphitized carbon paper was prepared by deposition of a mixture of carbon black and poly-tetrafluoroethylene ... 2:331–336 powders onto carbon paper in combination with a subsequent rolling process For the fabrication of field emission arrays of randomly oriented as-grown MWNT over carbon paper, as-grown...

Báo cáo hóa học: " Binding Energy of Hydrogen-Like Impurities in Quantum Well Wires of InSb/GaAs in a Magnetic Field" pdf

... dispersion law leads to a considerable increase of the binding energy in the magnetic ﬁeld, as well as to a more rapid nonlinear growth of binding energy with B The binding energy of a hydrogen-like ... to a considerable increase of the binding energy In this paper this analogy is applied for the investigation of binding energy of hydrogenlike shallow donor in a thin size-quantized wire of the ... with parabolic dispersion law GaAs/AlAs, obtained in [18] As follows from Fig 2, the curves and as well as 10 and 20 coincide at y? (practically in the range y 0.1); in an in nite barrier case...

Báo cáo vật lý: "EFFECT OF FIELD STRENGTH IN THE VELOCITY ANISOTROPY OF FERROFLUIDS" pptx

... well-pronounced increase in sound velocity was observed Further, the continuous increase of sound velocity indicates that the sample is not yet saturated Effect of Field Strength in the Velocity 10 ... provided in the form of magnetic energy Thus the effect of external magnetic field increases the size of the components in the medium and at the same time drastically reorient the particles in the ... the increase in field The appreciable variation in the values of Z with respect to the external field suggests that the grain -field interaction is strong.20 However, the grain-grain interaction...

Báo cáo khoa học: "Effect of desiccation during cold storage on planting stock quality and field performance in forest species" doc

... most prone to desiccation The results obtained here for pine, pointing to the absence of bud desiccation during desiccation (figure 1), are consistent with these findings In contrast, in oaks, ... influence of desiccation, rough handling and cold storage on the quality and establishment of Sitka spruce planting stock, Forestry 63 (1990) 129-141 [9] Dunsworth B.G., Impact of lift date and ... desiccation e.g in sealed polythene bags from lifting The results we obtained for pine show that storage in confined conditions may lead to reduced seedling quality independently of any alteration in...

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Từ khóa: physics of the magnetic field 3 numerical methods mesh methods of solution of leakage magnetic field in power transformers given incomplete information about the components of a magnetic field use gauss apos s law to establish relationships between those components behaviour of single walled carbon nanotubes in magnetic fields voltages magnetic fields and inductances of distributed ac windings applications of magnetic field in food preservation effect of electric fields applied perpendicular to the grain boundary 04 transmission reflection and thermal radiation of a magneto optical fabry perot resonator in magnetic field investigations and applications imaging of brain function using deoxyhemoglobin and magnetic fields transfer and effects of magnetic fields on the mass transfer in close binary system ii for hydrogen in the presence of a constant magnetic field effect of industrial pollution on the microorganisms from barley and field pea rhizosphere derivation of the steady magnetic field laws 1 measurement of magnetic field intensity the motion of charged particles in a magnetic field Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thống chuyên đề điện xoay chiều theo dạng Nghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THz Biện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọ Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit ĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN Quản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninh Phối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọ Phát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ long Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tin Sở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIX Chuong 2 nhận dạng rui ro Kiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Chiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015 HIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM MÔN TRUYỀN THÔNG MARKETING TÍCH HỢP TÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ