ultrasonic absorption
21Karl Herzfeld — Infobox Scientist name = Karl Herzfeld |270px image width = 270px caption = Regina and Karl, at Regina s graduation 1938 birth date = birth date|1892|2|24|mf=y birth place = Vienna, Austria death date = death date and age|1978|6|3|1892|2|24|mf=y… …
22Activated carbon — Activated carbon, also called activated charcoal, activated coal or carbo activatus, is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption or chemical reactions …
23List of materials analysis methods — List of materials analysis methods: Contents: Top · 0–9 · A B C D E F G H I J K L M N O P Q R S T U V W X Y Z μSR see Muon spin spectroscopy …
24Sound from ultrasound — Contents 1 Parametric array 2 Applications 2.1 Commercial advertising …
25Kidney stone — Classification and external resources …
26Medical ultrasonography — This article is about using ultrasound to image the human body. For imaging of animals in research, see Preclinical imaging. Sonography redirects here. For the tactile alphabet called sonography , see Night writing. Medical ultrasonography… …
27Microscopy — is the technical field of using microscopes to view samples and objects that cannot be seen with the unaided eye (objects that are not within the resolution range of the normal eye). There are three well known branches of microscopy, optical,… …
28Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …
29Material properties of diamond — This article addresses the material properties of diamond. For a broader discussion of diamonds, see diamond. For other uses of the word diamond, see diamond (disambiguation). Diamond An octahedral diamond crystal in matrix Gener …
30Canon EF lens mount — The EF lens mount allows all the Canon EF lenses to be used on any of the Canon EOS line of cameras made by Canon Inc.Unlike the EF s breech lock predecessor, the FD mount, the EF mount uses a bayonet style mount. EF stands for Electro Focus :… …
