The electrons somehow know where all the atoms are, and they form this diffraction pattern.
Electronii știu cumva unde sunt toți atomii și formează structura de difracție.
These emitted rays are recorded on a detector as spots, and the resulting image is called the diffraction pattern.
Aceste raze emise sunt înregistrate pe un detector drept pete, iar imaginea rezultată se numeşte imagine de difracţie.
This principle can be extended to engineer a grating with a structure such that it will produce any diffraction pattern desired; the hologram on a credit card is an example.
Acest principiu poate fi extins pentru a proiecta o rețea care să producă un șablon de difracție dorit; hologramele de pe cardurile de credit sau debit sunt și ele un exemplu.
Crystals are symmetrical structures, and when exposed to X-ray beams they produce a highly ordered diffraction pattern from which scientists can deduce the precise shape of a molecule.
Cristalele sunt structuri simetrice si, cand sunt expuse la fascicule de raze X, produc o imagine de difractie foarte ordonata, din care cercetatorii pot deduce forma precisa a unei molecule.
Electron diffraction pattern (c) made on the nanoparticles from CTEM image (b) shows the maghemite structure.
Diagrama de difractie (c) realizata pe nanoparticulele din imaginea CTEM (b) evidentiaza structura de maghemita.
Working back from the observed diffraction pattern, it may be possible to deduce the structure of the crystal producing the diffraction pattern.
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