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Term: tube


Topics from Topodia matching the term "tube"
Audio and Video
tube amplifier , amplifier , program , amplifiers , tube
This category is for sites that are related to the science and study of audio and video electronics. It is not for sites that manufacture or sell audio and video equipment. Sites that manufacture or sell audio and video equipment should be listed in the appropriate category elsewhere in the directory.
Vacuum
vacuum , current flow , cryogenic material , turbo pump , astronomy club
Includes sites on the specific properties of an environment where all of the matter has been evacuated (i.e. there would be nothing), as well as techniques and equipment for the attainment of such conditions in scientific investigations.
Nuclear
atomic nucleus , cdte , crystal growth , protons , electrical conductivity
Sites and links concerning the science of nuclear physics. Different specialties are separated into their divisions.
Cryotechnology
full story , thermal equilibrium , freezing point , thermometer , temperature
This category includes all aspects of Cryogenics: the production and study of extreme sub-zero temperatures. This includes the production, use, and storage of liquid gases (nitrogen, oxygen, helium), mechanical freezers for those temperatures, and the attempts to reach absolute zero. It also includes a recent use of cryogenic technology in which metals are dipped in liquid nitrogen to improve various qualities.
Medicine
university , new york , electricity , microscope , doctor
Helicobacter Pylori
h. pylori , ulcer , duodenal ulcers , stomach cells , infection
All sites providing information about Helicobacter pylori.
Rheology
viscosity , particles , rheology , shear stress , molecules
Rheology is science of flow, of deformation of liquids and solids, and of the in-between viscoelastic materials, such as asphalt, glass, dough or plastics (polymers). The properties of the materials are described by the constitutive equation (rheological equation of state) which may an include other then mechanical quantities, such as magnetic or electrical fields. Constitutive equation describes the memory of materials, effects of thermal and stress history and effects such as hysteresis.
X-Ray
x-rays , lateral view , fracture , film , x-ray photons
Form of electromagnetic radiation with a wavelength approximately in the range of 5 pm - 10 nanometers (corresponding to frequencies in the range 30 PHz - 60 EHz). X-rays are primarily used for diagnostic medical imaging, crystallography and in astronomy. This category is only intended for medical applications in imaging.