Magnetic effects of iron

Xem 1-8 trên 8 kết quả Magnetic effects of iron
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: The Effect of Iron Oxide Magnetic Nanoparticles on Smooth Muscle Cells

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  • This study examines the effect of substituted concentration on the structure and magnetic properties of Y3Fe5-xInxO12 (x = 0.1 ÷ 0.7) powder samples prepared using the sol-gel method. The morphological properties of the samples were analysed using XRD, SEM. The single phase of garnet was obtained in x = 0.1 ÷ 0.6 samples.

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  • The main contents of the thesis: Synthesis and characterization of Fe3O4 nanoparticles, -Fe2O3 nanoparticles and γ-Fe2O3 nanoparticles by hydrothermal method. Compare the corrosion protection ability of epoxy film containing synthetic iron oxide particles. Fabrication and evaluation of steel corrosion protection effect of epoxy membrane containing magnetic iron oxide nanoparticles and nano iron oxide from organic denaturation with some silane compounds and with corrosion inhibiting compound.

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  • This is a companion volume to Electromagnetism for Electronic Engineers(3 rd edn.) (Ventus, 2009). It contains the worked examples, together with worked solutions to the end of chapter examples, which featured in the previous edition of the book. I have discovered and corrected a number of mistakes in the previous edition. I hope that students will find these 88 worked examples helpful in illustrating how the fundamental laws of electromagnetism can be applied to a range of problems.

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  • The goad of the thesis is to build the manufacture process of nano-sized magnetic fluids based on iron oxide (uniform particle size and high magnetic saturation) with stable technology; Characteristic research of magnetic properties of magnetic nanoparticles; assessment of toxicity and test of effects on cells, aiming to make contrast medicine in imaging diagnosis by magnetic resonance imaging (MRI), application on accurately identifying cancer.

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  •  Some history:  Magnetic effects from natural magnets have been known for a long time. Recorded observations from the Greeks more than 2500 years ago.  The word magnetism comes from the Greek word for a certain type of stone (lodestone) containing iron oxide found in Magnesia, a district in northern Greece.  Properties of lodestones: could exert forces on similar stones and could impart this property (magnetize) to a piece of iron it touched.

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  • INTRODUCTION--History of hypnotism--Mesmer--Puysegur--Braid--What is hypnotism?--Theories of hypnotism: 1. Animal magnetism; 2. The Neurosis Theory; 3. Suggestion Theory CHAPTER I--How to Hypnotize--Dr. Cocke's method-Dr. Flint's method--The French method at Paris--At Nancy--The Hindoo silent method--How to wake a subject from hypnotic sleep--Frauds of public hypnotic entertainments.

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  • A finite element homogenization method is proposed for the magetodynamic h-conform finite element formulation to compute eddy current losses in electrical steel laminations. The lamination stack is served as a source region carrying predefined current density and magnetic flux density distributions presenting the eddy current losses and skin effects in each lamination.

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