http://en.wikipedia.org/wiki/Crystal_twinning
http://en.wikipedia.org/wiki/Slot_antenna
http://en.wikipedia.org/wiki/Balun
http://en.wikipedia.org/wiki/Non-volatile_memory
http://en.wikipedia.org/wiki/Collagenase
Semiconductor nanoparticles
http://en.wikipedia.org/wiki/Semiconductor_device
http://en.wikipedia.org/wiki/Cathode
X-ray evaluation
Substance detection
Tissue staining
Vascular stiffness
http://en.wikipedia.org/wiki/Integrated_circuit
http://en.wikipedia.org/wiki/Image_processor
http://en.wikipedia.org/wiki/Millimeter_wave_scanner
Liquid spray device
Salt core
Photoelectric conversion
