MDS621.38234
Wording: TechnologyEngineering and allied operationsApplied physicsElectrical, magnetic, optical, communications, computer engineering; electronics, lightingElectronics, communications engineeringCommunicationsNot setNot set
Dewmoji: 💡🔩🏭?????
0 Information 213,289 ℹ️ | 1 Philosophy and Psychology 224,067 💭 | 2 Religions 555,822 🙏 | 3 Social sciences 1,160,203 👫 | 4 Language 171,144 💬 | 5 Natural sciences and mathematics 374,805 🔬 | 6 Technology 834,661 💡 | 7 The arts 843,008 🎨 | 8 Literature 1,191,472 📚 | 9 History and Geography 694,426 🗺️ |
60 General Technology 7,870 💡 | 61 Medicine and health 275,579 💉 | 62 Engineering and allied operations 139,605 🔩 | 63 Agriculture & related technologies 78,132 🌱 | 64 Home and family management 151,035 🏠 | 65 Management and auxiliary services 130,515 👔 | 66 Chemical Technology 17,183 🚀 | 67 Manufacturing 7,180 📦 | 68 Manufacture of products for specific uses 17,420 🔨 | 69 Building 10,142 👷 |
620 Engineering 19,390 🔩 | 621 Applied physics 42,272 🏭 | 622 Mining Engineering and Mines and Mineral Resources 3,333 🕳 | 623 Military Engineering and Marine Engineering 13,815 ⚓ | 624 Civil Engineering 7,358 🌉 | 625 Road and Railroad 5,059 🛤 | 626 unassigned since 1911 7th Edition (was Canal Engineering) 54 🤷 | 627 Hydraulic Engineering 1,661 🌊 | 628 Sanitary; Municipal 6,542 🚽 | 629 Other Branches 40,121 🌿 |
621.0 1,137 | 621.1 Steam engineering 567 | 621.2 Hydraulic machinery 238 | 621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting 30,245 | 621.4 Heat engineering 3,650 | 621.5 Pneumatic machinery and Compressed air and Refrigeration and refrigerating machinery 414 | 621.6 Fans (Machinery) and Pumping machinery 142 | 621.7 Production engineering and Factories and Machine-shop practice 152 | 621.8 Machine Engineering 2,387 | 621.9 Machine-tools 1,291 |
621.30 Electric power plant 421 | 621.31 Generation, modification, storage, transmission of electric power 4,451 | 621.32 Lighting 356 | 621.33 Electric Railways 40 | 621.34 Magnets and Electromagnets 107 | 621.35 Batteries and Superconductivity 32 | 621.36 Optical engineering 2,654 | 621.37 Electrical Measurement Instruments 133 | 621.38 Electronics, communications engineering 18,217 | 621.39 Computer engineering 2,182 |
621.380 Light current engineering 215 | 621.381 Electronics 8,140 | 621.382 Communications 3,718 | 621.383 Telegrapy 36 | 621.384 Radar, Radio 3,301 | 621.385 Telephony 310 | 621.386 Telephone terminal equipment 46 | 621.387 Telephone transmission equipment 21 | 621.388 Television 699 | 621.389 Audio, sound engineering 925 |
621.3820 58 | 621.3821 189 | 621.3822 Digital Signal Processing (DSP) 629 | 621.3823 18 | 621.3824 Antenna systems 129 | 621.3825 67 | 621.3826 | 621.3827 204 | 621.3828 66 | 621.3829 |
621.38230 | 621.38231 | 621.38232 2 | 621.38233 | 621.38234 5 | 621.38235 4 | 621.38236 | 621.38237 | 621.38238 2 | 621.38239 |
Selected Works under MDS 621.38234 (5)
Related Tags
"Far Friends"
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
None
Wording
| 1922 Edition |
| Modern Language |
| Emoji |