MDS 540.7209423
Wording: Natural sciences & mathematics Chemistry Chemistry and allied sciences Education And Research Research Not set Not set Not set Not set Not set
Dewmoji: 🔬⚗️⚗???????
0 Computer science, information & general works 252,013 ℹ️ | 1 Philosophy & psychology 270,129 🧠 | 2 Religion 681,242 🙏 | 3 Society, government, & culture 1,328,382 👫 | 4 Language 209,883 💬 | 5 Natural sciences & mathematics 431,918 🔬 | 6 Applied science & technology 940,635 💡 | 7 Arts & recreation 1,031,850 🎨 | 8 Literature & rhetoric 1,436,736 📚 | 9 History & geography 837,760 🗺️ |
50 Science 35,266 🥼 | 51 Mathematics 82,055 ➗ | 52 Astronomy 25,356 🔭 | 53 Physics 44,008 🍎 | 54 Chemistry 28,260 ⚗️ | 55 Earth sciences; geology 36,663 🌎 | 56 Fossils & Dinosaurs 11,038 💀 | 57 Biology 55,751 🧬 | 58 Plants (Botany) 26,824 🌿 | 59 Animals 86,697 🐼 |
540 Chemistry and allied sciences 6,727 ⚗ | 541 Chemical Reactions 5,775 💭 | 542 Techniques, procedures, apparatus, equipment, materials 560 🔬 | 543 Analytical chemistry 2,912 🌈 | 544 [Formerly: Qualitative Analysis] 336 | 545 [Formerly: Quantitative Analysis] 275 | 546 Elements, Mixtures, Compounds 2,694 ⚨ | 547 Organic chemistry 6,228 ⌬ | 548 Crystallography 1,088 💎 | 549 Mineralogy 1,665 ⚒ |
540.0 Chemistry 93 ⚗️ | 540.1 Theory And Instruction 502 | 540.2 Miscellany 170 | 540.3 Dictionaries And Encyclopedias 137 📕 | 540.4 Essays, lectures, etc. 7 📄 | 540.5 Periodicals 33 | 540.6 Societies 16 | 540.7 Education And Research 1,039 | 540.8 Culture Studies 154 | 540.9 Biography And History 655 |
540.70 1 | 540.71 Education 201 | 540.72 Research 82 | 540.73 1 | 540.74 1 | 540.75 | 540.76 Review and exercise 495 | 540.77 7 | 540.78 144 | 540.79 4 |
540.720 5 | 540.721 1 | 540.722 1 | 540.723 | 540.724 13 | 540.725 | 540.726 | 540.727 | 540.728 | 540.729 |
540.7200 | 540.7201 | 540.7202 | 540.7203 | 540.7204 | 540.7205 | 540.7206 | 540.7207 4 | 540.7208 | 540.7209 1 |
540.72090 | 540.72091 | 540.72092 | 540.72093 | 540.72094 1 | 540.72095 | 540.72096 | 540.72097 | 540.72098 | 540.72099 |
540.720940 | 540.720941 | 540.720942 1 | 540.720943 | 540.720944 | 540.720945 | 540.720946 | 540.720947 | 540.720948 | 540.720949 |
540.7209420 | 540.7209421 | 540.7209422 | 540.7209423 1 | 540.7209424 | 540.7209425 | 540.7209426 | 540.7209427 | 540.7209428 | 540.7209429 |
Selected Works under MDS 540.7209423 (1)
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"Far Friends"
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
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Wording
| 1922 Edition |
| Modern Language |
| Emoji |