作者: chapel 時間: 2025-3-21 21:23 作者: 噴出 時間: 2025-3-22 02:01 作者: 多余 時間: 2025-3-22 06:46 作者: harrow 時間: 2025-3-22 08:45 作者: Transfusion 時間: 2025-3-22 16:44
Chemical Effects,temperature. This is because the current is the result of an axial drift of electrons and as many electrons enter at one end as leave at the other. There are many liquids, mainly solutions of ionic compounds in which the passage of current is accompanied by a chemical change. Such liquids are called作者: 注視 時間: 2025-3-22 17:52 作者: 迅速飛過 時間: 2025-3-22 21:44
The Transformer,very high voltages are required; for distribution, much lower voltage; and for utilisation, say in the home, voltages of the order of 240 V. The transformer is essentially a ‘close-coupled’ mutual inductor, this meaning that almost of the whole of the flux set up by the primary m m f. links with the作者: GEST 時間: 2025-3-23 05:00 作者: 打谷工具 時間: 2025-3-23 06:44 作者: 不吉祥的女人 時間: 2025-3-23 10:15
Electronic Devices,lectric field, and we shall see that this necessitates positive as well as negative carriers and therefore does not apply when the carriers are electrons only. In the latter the cathode temperature is raised. This causes the ions of the metal to oscillate and collisions between ions and electrons at作者: 敵手 時間: 2025-3-23 15:52
Molecular Orbitals and Optical Spectra,lectric field, and we shall see that this necessitates positive as well as negative carriers and therefore does not apply when the carriers are electrons only. In the latter the cathode temperature is raised. This causes the ions of the metal to oscillate and collisions between ions and electrons at作者: 碌碌之人 時間: 2025-3-23 21:51
The Magnetic Fields Produced by Electric Currents,sted in 1820. He was demonstrating what he believed to be the non-connection between electricity and magnetism. On arranging a current-carrying wire parallel to a compass needle he was surprised to find that the needle was deflected. On reversing the current the defection was reversed.作者: 排名真古怪 時間: 2025-3-23 22:58 作者: Commonwealth 時間: 2025-3-24 05:10 作者: Hiatus 時間: 2025-3-24 08:47
What Is Wrong with This MR: Part I,sted in 1820. He was demonstrating what he believed to be the non-connection between electricity and magnetism. On arranging a current-carrying wire parallel to a compass needle he was surprised to find that the needle was deflected. On reversing the current the defection was reversed.作者: Between 時間: 2025-3-24 14:44 作者: modest 時間: 2025-3-24 18:42 作者: Synchronism 時間: 2025-3-24 21:09 作者: Living-Will 時間: 2025-3-25 01:52 作者: 失望未來 時間: 2025-3-25 04:59 作者: Assignment 時間: 2025-3-25 09:39
What Is Wrong with This MR: Part I,sted in 1820. He was demonstrating what he believed to be the non-connection between electricity and magnetism. On arranging a current-carrying wire parallel to a compass needle he was surprised to find that the needle was deflected. On reversing the current the defection was reversed.作者: 巨碩 時間: 2025-3-25 14:29 作者: Coordinate 時間: 2025-3-25 18:18 作者: 做方舟 時間: 2025-3-25 20:53 作者: 裙帶關(guān)系 時間: 2025-3-26 00:23 作者: Factual 時間: 2025-3-26 07:52 作者: Crumple 時間: 2025-3-26 11:25
Molecular Orbitals and Optical Spectra,rs. If the enclosure contains electrons these will move to the anode, enter it, and become part of an external current, but this current will cease when all the electrons have left the enclosure. For the current to be maintained there must be a continuous supply of electrons and, clearly, these must作者: 行為 時間: 2025-3-26 12:46 作者: lipids 時間: 2025-3-26 18:30
http://image.papertrans.cn/b/image/181012.jpg作者: 胖人手藝好 時間: 2025-3-26 23:55
What Is Wrong with This MR: Part I,The word ‘work’ is restricted in the science of Physics to those cases in which a force has to be overcome. If a mass of 1 kg is lying on the ground it will be attracted to the earth by a force of 1 × 9.81=9.81 N.作者: Postulate 時間: 2025-3-27 04:03 作者: Cubicle 時間: 2025-3-27 05:32 作者: SOW 時間: 2025-3-27 11:58
,There’s a Hole in the Heart: Part I,It will be obvious that if a wire is of uniform cross-section and its material is homogeneous, its electrical resistance will be proportional to its length ..作者: opalescence 時間: 2025-3-27 15:15 作者: 濕潤 時間: 2025-3-27 21:41
https://doi.org/10.1007/978-3-030-79994-6The path of an electric current is called the electric circuit.作者: bonnet 時間: 2025-3-28 01:01 作者: 不規(guī)則的跳動 時間: 2025-3-28 05:00 作者: 投射 時間: 2025-3-28 07:26
Nuclear Magnetic Resonance of Hemoglobins,There are three essential features:作者: ciliary-body 時間: 2025-3-28 13:11 作者: Cardioplegia 時間: 2025-3-28 16:51
Power, Energy, Heat,The number of amperes flowing in a circuit = the number of coulombs /second.作者: regale 時間: 2025-3-28 19:47 作者: bioavailability 時間: 2025-3-29 02:45 作者: 使堅硬 時間: 2025-3-29 03:24
Magnetism,The appliances we call magnets are characterised by, among other properties which are considered later, several easily demonstrated properties:作者: 逃避責任 時間: 2025-3-29 10:28 作者: Bucket 時間: 2025-3-29 13:15 作者: Obituary 時間: 2025-3-29 15:38
Alternating Currents,Figure 14.1 shows a line OP which rotates with uniform angular velocity . about the end O.作者: amnesia 時間: 2025-3-29 23:15
Electrical Measuring Instruments,There are three essential features:作者: CANDY 時間: 2025-3-30 00:18 作者: 嚴峻考驗 時間: 2025-3-30 04:54
Hemodynamics in Hemofiltration,of induced e.m.f.s the arrows indicate the positive direction of the e.m.f. for each particular phase. If all three phases were kept separate a six-conductor line between source and load would be necessary. By interconnecting the phases the number can be reduced to three; in one special case four. There are two methods.作者: 決定性 時間: 2025-3-30 08:22
Electricity,pletely neutralise one another’s effects then the amounts of each are said to be equal. Since matter in its normal state does not exhibit any state of electrification it follows that the amounts of the two kinds of electricity in it are equal.作者: nettle 時間: 2025-3-30 15:44
Three-Phase Working. Rotating Magnetic Fields,of induced e.m.f.s the arrows indicate the positive direction of the e.m.f. for each particular phase. If all three phases were kept separate a six-conductor line between source and load would be necessary. By interconnecting the phases the number can be reduced to three; in one special case four. There are two methods.作者: Impugn 時間: 2025-3-30 18:00 作者: predict 時間: 2025-3-30 22:30 作者: Arrhythmia 時間: 2025-3-31 01:07 作者: Conduit 時間: 2025-3-31 05:58 作者: Palliation 時間: 2025-3-31 09:31 作者: 卵石 時間: 2025-3-31 17:15
https://doi.org/10.1007/978-3-642-80801-2he first consideration that an electric machine must consist essentially of two parts, namely that which produces the magnetic field, and that which carries the conductors in which the e.m.f.s are induced. It is obvious that there must be relative motion between these two parts.作者: 死亡 時間: 2025-3-31 20:19
The Transformer,x, the flux which links with one winding only, is very small. To ensure such close coupling the windings are arranged with their coils in close physical association and they are wound on a magnetic core.作者: LAITY 時間: 2025-3-31 23:15 作者: 迅速飛過 時間: 2025-4-1 04:12
10樓作者: Locale 時間: 2025-4-1 08:09
10樓作者: white-matter 時間: 2025-4-1 14:02
10樓作者: Contend 時間: 2025-4-1 17:38
10樓
