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"Vector generated Image of Student Spectometer:An economically priced spectrometer capable of performing most atomic and optical experiments including: · emission or absorption spectra, · internal angles of prisms, · refractive index of a prism. Consists of a heavy base with 170 mm...
السمات:
student spectometer spectometer atomic experiment prisms refractive index |
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Vector generated Image of Laser Radiation Device:A laser radiation device, comprising: a pumping light emission section that generates and emits pumped light; a fiber laser, including an optical fiber doped with lasantions that are excited by the pumped light, which provides a laser beam...
السمات:
laser radiation device |
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Painting of Polydactyly:Also known as hyperdactyly, is a congenital physical anomaly in humans having supernumerary fingers or toes. When each hand or foot has six digits, it is sometimes called sexdactyly, hexadactyly, or hexadactylism. The extra digit is usually a small piece of soft tissue;...
السمات:
Polydactyly extra fingers hyperdactyly sexdactyly hexadactyly hexadactylism. |
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Painting of Fossilized Tree called Archaeopteris: Archaeopteris is an extinct genus of tree-like plants with fern-like leaves. A useful index fossil, this tree is found in strata dating from the Upper Devonian to Lower Carboniferous, and has a global distribution.
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السمات:
Fossilized Tree Archaeopteris fossil fossils rare specimen sea blank white |
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