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thirth
- 导体通常指电阻率 < 10-4 · cm 的物质。金属和合金一般都是导体，如铝、金、钨、铜、镍铬 等。能带能隙很小或为 0 , 在室温下电子很容易获得能量而跃迁至导带而导电。-Usually refers to a conductor resistivity < 10-4 cm material. Metals and alloys are generally conductors such as aluminum,
Highfrequencytransformerwindingmethod
- 开关电源变压器磁芯多是在低磁场下使用的软磁材料，它有较高磁导率，低的矫顽力，高的电阻率。磁导率高，在一定线圈匝数时，通过不大的激磁电流就能承受较高的外加电压，因此，在输出一定功率要求下，可减轻磁芯体积。-Switching power transformer cores are mostly used in low magnetic field of soft magnetic materials, it has a higher permeability, low coercivity, hi
2d-3d-DC-Resistivity-PHD
- 关于电法二维和三维的算法的国外博士做的博士论文，很难得的学习文献。对于学电法和物探成像的研究生很有帮助。-Do foreign doctoral dissertation on electrical method of two-dimensional and three-dimensional algorithms difficult learning literature. Graduate helpful for to learn electrical Law and geophysical
r3dimanu
- 3D电阻率反演Matlab程序 RESINVM3D is a MATLAB package for inverting 3D Dc Resistivity and Electrical Resistivity Tomography data.-3D resistivity inversion of Matlab procedures RESINVM3D is a MATLAB package for inverting 3D Dc Resistivity and Electrical Resis
New-techniques-the-computer-aided-design-for-subs
- This paper describes the using of software programming for the substation grounding system which is designed for worker’s safety. This grounding system presents new method to increase grounding resistance of Human Foot. The new method can decreas
3D-resistivity-inversion-
- 地表起伏地形在野外矿产资源勘察中不可避免，其对直流电阻率法勘探影响巨大．近年来，电阻率三维正演 取得诸多进展，特别是应用非结构网格我们能够进行任意复杂地形和几何模型的电阻率三维数值模拟，但面向实 际应用的起伏地形下电阻率三维反演依然困难．本文基于非结构化四面体网格，并考虑到应用ＧＰＳ／ＧＮＳＳ时，区 域地球物理调查中可非规则布设测网的实际特点，实现了任意地形（平坦或起伏）条件下、任意布设的偶极
Semiconductor-Basics
- Materials can be categorized into conductors , semiconductors or insulators by their ability to conduct electricity. It is a popular belief that insulators do not conduct electricity because their valence electrons are not free to wander throughout t