cold trap

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cold trap [′kōld ‚trap]

(mechanical engineering)

A tube whose walls are cooled with liquid nitrogen or some other liquid to condense vapors passing through it; used with diffusion pumps and to keep vapors from entering a McLeod gage.

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No references found			If the water that was formed or deposited is billions of years old, the polar cold traps could hold a key to the history and evolution of the solar system. Mooncrash finds buckets of water by Mail Today (New Delhi, India) If the water that was formed or deposited is billions of years old, these polar cold traps could hold a key to the history and evolution of the solar system, much as an ice core sample taken on Earth reveals ancient data. NASA's LCROSS confirms presence of water in lunar crater by Asian News International The permanently shadowed regions of the moon are truly cold traps, collecting and preserving material over billions of years. NASA finds water on the moon by AFP / AFP American Edition			cold rolling cold room cold rubber cold saw cold set cold settling cold shot cold shut cold slug cold solder joint cold soldering cold sore Cold Spring Harbor State Park Cold Springs National Wildlife Refuge cold start Cold Steel cold storage cold strength cold stress cold stretch cold swap cold sweat cold test cold tongue cold torpor cold trap cold treatment cold trimming cold turkey Cold Upsetting cold wall cold war Cold War, The cold wave Cold Welding Cold Working cold wrap cold, common cold-air drop cold-air machine cold-air outbreak cold-air return cold-blooded cold-cathode counter tube cold-cathode discharge cold-cathode ionization gage cold-cathode lamp cold-cathode rectifier cold-cathode tube cold-chamber die casting cold-conductor effect			cold store taint cold store taint cold store taint cold strength cold stress cold stress cold stress cold stress cold stretch cold stuffed tomato cold swap cold sweat cold sweat cold sweat cold sweats cold sweats cold sweats Cold Tea Sign Cold Temperature Actuated Vacuum Cold Temperature Difference Cold Temperature/Dry cold test cold therapy cold therapy cold therapy cold therapy Cold Things, Morbid Fear of Cold Tolerance cold tongue cold torpor cold trap cold tray cold tray cold tray cold tray cold treatment cold trimming cold turkey cold turkey cold turkey cold turkey cold turkey Cold Turkey (song) Cold Turkey (song) Cold Turkey (song) cold turkey method cold type cold type cold ulcer cold ulcer Cold Upsetting Cold urticaria Cold urticaria Cold urticaria cold urticaria-angioedema Cold Vacuum Drying Cold Vacuum Drying Facility Cold Vapor Atmospheric Fluorescence Spectrometry Cold Vapor Atomic Absorption Cold Vapor Atomic Absorption Spectrometry Cold Vapor Atomic Fluorescence Spectrometry

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