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chemical notation |
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The full chemical notation for these 209 possible PCB congeners is inconvenient, and therefore various shorthand notations have been developed and adopted (Erickson 1997, 2001). Responding to the architecture of the space, with its vaulted ceilings, metal bracings, and polyhedral floor plan, the triangles were interwoven as interdependent hexagons, pyramids, and parallelograms--something like a complicated chemical notation. NanoSense builds on ChemSense, an NSF-funded SRI program to study students' understanding of chemistry and develop software and curriculum to help students investigate chemical systems and express their ideas in animated chemical notation. |
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