The new microscopes, from the S8000 and S9000 Series, complement the list. MIRA3 is a high-resolution FE-SEM while MAIA3 is an ultra-high resolution (UHR) FE-SEM. Ustrojstvo dlya ostanovki elektronnogo elektroschetchika. TESCAN also offers field emission (FE) SEM systems equipped with high brightness Schottky emitter for achieving high-resolution and low-noise imaging. TESCAN portfolio includes high-performance thermionic emission SEM systems equipped with heated tungsten cathode, and a variety of chamber sizes and configurations to satisfy particular analytical needs. The TESCAN S8000 features the BrightBeam TM SEM column technology that achieves field-free ultra-high resolution with excellent performance, especially at low beam energies while keeping maximum versatility in sample imaging.

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VI-4 motivi Hvala suncu, zemlji, travi. HVALA SUNCU, ZEMLJI, TRAVI Grigorije Devrnja Jovan Gojkov Petar Vujic Ognjen Djakov Kosta Dragovic Petar Rilak U pesmi,,Hvala suncu, zemlji.

Sadržaj • Snelov zakon • Refrakcija • Refleksija • Optika • Prizme • Lenses • Svjetlost Description Explore bending of light between two media with different indices of refraction. See how changing from air to water to glass changes the bending angle.

Play with prisms of different shapes and make rainbows. Primjeri obrazovnih ciljeva • Explain how light bends at the interface between two media and what determines the angle. • Apply Snell’s law to a laser beam incident on the interface between media. • Describe how the speed and wavelength of light changes in different media. • Describe the effect of changing wavelength on the angle of refraction. • Explain how a prism creates a rainbow.