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iridium is a chemical element with symbol ir and atomic number 77 a very hard brittle it has the 10th highest boiling point among all elements and becomes a 3 has been described as a blue-black powder which is oxidized to iro to arc erosion makes iridium alloys ideal for electrical contacts for spark plugs and

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beryllium copper - wikipedia

beryllium copper becu also known as copper beryllium cube beryllium bronze and spring copper is a copper alloy with 0 53 beryllium and sometimes other elements beryllium copper combines high strength with non-magnetic and it has high electrical conductivity and is used in low-current contacts for

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element properties - metallium

it is used as electrical wire as a cheap alternative to copper though it is not as efficient in antimony is a very brittle crystalline metal which has a bluish-white color and a metallic shine arsenic is a silver-gray semi-metallic element alnico an alloy of nickel cobalt and aluminum is used to make permanent magnets

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uses of silver in electronics coins jewelry medicine - geology com

silver is used in electronics soldering energy chemical production jewelry photography and for example small quantities of silver are used as contacts in electrical or silver pastes like conductive paste made with a silver-palladium alloy switch if it contains a silver electrode aimed at giving a higher quality image

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uses of silver in electronics coins jewelry medicine - geology com

silver is used in electronics soldering energy chemical production jewelry photography and for example small quantities of silver are used as contacts in electrical or silver pastes like conductive paste made with a silver-palladium alloy switch if it contains a silver electrode aimed at giving a higher quality image

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circuit breaker - wikipedia

a circuit breaker is an automatically operated electrical switch designed to protect an electrical contacts are made of copper or copper alloys silver alloys and other highly conductive materials arc into the arc chutes by a magnetic force of a current path although magnetic blowout coils or permanent magnets could also

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gold - wikipedia

gold is a chemical element with symbol au from latin aurum and atomic number 79 fourteen- and eighteen-karat gold alloys with silver alone appear other metallurgical properties to control melting point or to create exotic colors silver wires were used in the calutron isotope separator magnets in the project

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magnetic electrical contacts - alibaba

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palladium - wikipedia

palladium is a chemical element with symbol pd and atomic number 46 it is a rare and lustrous palladium is a soft silver-white metal that resembles platinum it is the least dense and has the lowest melting point of the platinum group metals to platinum in the alloys called white gold where the naturally white color of

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real silver vs sterling silver page 2 - finishing

q can you tell if a piece of jewelry is sterling silver by holding a magnet close to it? i was wanting to buy some silver jewelry online and when i asked about the silver said that their stuff is good quality but is it comparable to silver pieces? is added to increase strength and hardness of the resultant silver alloy

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nonferrous metals descriptions pictures and composition - weld

kpa specific gravity of 2 7 and a melting point of °f °c aluminum alloys permanent and soft magnetic materials high-speed tool bits and cutters high-temperature lighten their color the resultant alloys are called nickel silver heating elements switches contacts thermocouplers welding electrodes and

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element properties - metallium

it is used as electrical wire as a cheap alternative to copper though it is not as efficient in antimony is a very brittle crystalline metal which has a bluish-white color and a metallic shine arsenic is a silver-gray semi-metallic element alnico an alloy of nickel cobalt and aluminum is used to make permanent magnets

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cheap mechanical mods - best mech mods under

jan 4 mechanical mods are to-the-point high-power vaping devices and although in sterling silver or 24k gold as well as being available in colored finishes the mod features a magnetic switch which can be locked with the aid of the the tugboat mech mod also features copper contacts and delrin

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materials for electrical engineering - vysoká škola báňská

silver has the lowest resistivity however common conducting lines are materials with high electrical resistance used as resistance materials for measuring in electrical engineering for contacts springs transistors and integrated circuits magnetic hard material for permanent magnets is alloys cu-ni-fe and cu-ni-co

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nonferrous metals descriptions pictures and composition - weld

kpa specific gravity of 2 7 and a melting point of °f °c aluminum alloys permanent and soft magnetic materials high-speed tool bits and cutters high-temperature lighten their color the resultant alloys are called nickel silver heating elements switches contacts thermocouplers welding electrodes and

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real silver vs sterling silver page 2 - finishing

q can you tell if a piece of jewelry is sterling silver by holding a magnet close to it? i was wanting to buy some silver jewelry online and when i asked about the silver said that their stuff is good quality but is it comparable to silver pieces? is added to increase strength and hardness of the resultant silver alloy

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magnetic electrical contacts - alibaba

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rhodium - wikipedia

rhodium is a chemical element with symbol rh and atomic number 45 it is a rare silvery-white rhodium has both a higher melting point and lower density than platinum silver platinum and gold and there are very few rhodium-bearing minerals these alloys are used in furnace windings bushings for glass fiber

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we offer various type of costume contact lenses colored contact lenses circle lenses if you want to transfer points from old site please register and email us after done get up to 30 discount + free shipping american express diners club giropay jcb maestro master paypal sofort visa resellerratings top

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the best colored contacts for brown eyes eyecandy's

looking for the perfect color contact lenses that fit dark brown eyes? if your natural eye color is brown or black the following brief guide should point you whatever shade of brown your eyes are gray is sure to look good on them what color should i buy baby blue or any other shade of blue or any other color?

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giving - chemistry - syracuse university

helium he -- lowest melting point of any element used as an inert gas shield for pharmaceuticals glass pacemaker batteries alloys used in space and a major component of meteorites the cheapest most abundant useful and permanent blue pigment razor blades permanent magnets catalytic converters

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