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Samples may become contaminated by titanium if they have line-of-sight to the pump. Also, titanium is a very hard material, so titanium film which builds up on the inside of the chamber may form flakes which fall into mechanical components (typically turbomolecular pumps and valves) and damage them. Many chambers containing TSPs also have an ...
Ion pumps; Titanium sublimation pumps; Non-evaporable getter (NEG) pumps; Cryopumps; Diffusion pumps, especially when used with a cryogenic trap designed to minimize backstreaming of pump oil into the systems. Turbo pumps and diffusion pumps rely on supersonic attack upon system molecules by the blades and high speed vapor stream, respectively.
Titanium is a chemical element; it has symbol Ti and atomic number 22. ... titanium that is evaporated from filaments is the basis for titanium sublimation pumps, ...
With a block heel, square toe and leopard print pony hair, this Mary Jane pump is tough to beat. Pro tip: wear with denim on denim for a bit of texture and extra pop. Material: Pony Hair, Leather
Aluminium wire rings can be used as cheap gaskets in demountable seals. Aluminium has high thermal conductivity, good corrosion resistance, and low solubility of hydrogen. Loss of strength at high temperatures limits its use in bakeable applications, but aluminium is advantageous for large-size systems due to its lower weight and lower cost ...
A plimsoll, also spelled plimsole, [1] or pump [2] (also known as a gym shoe [2] [1] or a sandshoe [1]), is a light sports shoe with a canvas upper and flat rubber sole. The shoe originated in the United Kingdom, [ citation needed ] there called a "sand shoe", acquiring the nickname "plimsoll" in the 1870s.
A men's court shoe (or opera pump), in patent leather, worn with white tie or black tie attire.. A court shoe (British English) or pump (American English) is a shoe with a low-cut front, or vamp, with either a shoe buckle or a black bow as ostensible fastening.
Reebok Pump is a line of athletic shoes that was first released on November 24, 1989, by Reebok. [1] It was the first shoe to have an internal inflation mechanism that regulated a unique fitting cushion in the lower and upper tongue to provide locking around the ankle.
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