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tungsten    音标拼音: [t'ʌŋstən]
n. 钨,钨锰铁矿,金属元素

钨,钨锰铁矿,金属元素

tungsten
n 1: a heavy grey-white metallic element; the pure form is used
mainly in electrical applications; it is found in several
ores including wolframite and scheelite [synonym: {tungsten},
{wolfram}, {W}, {atomic number 74}]

Tungsten \Tung"sten\ (t[u^]ng"st[e^]n), n. [Sw. tungsten (cf.
Dan. tungsteen, G. tungstein); tung heavy (akin to Dan. tung,
Icel. [thorn]ungr) sten stone. See {Stone}.]
1. (Chem.) A rare element of the chromium group found in
certain minerals, as wolfram and scheelite, and isolated
as a heavy steel-gray metal which is very hard and
infusible. It has both acid and basic properties. When
alloyed in small quantities with steel, it greatly
increases its hardness. Symbol W (Wolframium). Atomic
weight, 183.6. Specific gravity, 18.
[1913 Webster]

2. (Min.) Scheelite, or calcium tungstate. [Obs.]
[1913 Webster]

{Tungsten ocher}, or {Tungstic ocher} (Min.), tungstite.
[1913 Webster]


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  • Why no high-density tungsten bullets? | Snipers Hide Forum
    IANAL but tungsten cores machined to a point would almost certainly qualify as armor piercing and be subject to existing restrictions on manufacture However bullets with tungsten powder cores or solid-slug cores (i e , a flat-faced tungsten cylinder) should not pose a risk of such classification or regulation
  • Hunting Fishing tungsten bullets WARNING GRAPHIC - Snipers Hide
    Re: tungsten bullets WARNING GRAPHIC different kinds of Tungsten rounds Powdered (sintered) and pressed under lots of pressure and sometimes some form of bonding agent (glue) "exploding type", next is a tungsten penetrator that uses a sub caliber bullet inside a jacketed bullet AP, and also shotgun style that is either tungsten balls or a tungsten ball with some form of coating from the
  • Its Elemental - The Element Tungsten
    Tungsten is alloyed with steel to form tough metals that are stable at high temperatures Tungsten-steel alloys are used to make such things as high speed cutting tools and rocket engine nozzles Tungsten carbide (WC) is an extremely hard tungsten compound It is used in the tips of drill bits, high speed cutting tools and in mining machinery
  • DIY weighted buffer BCG | Snipers Hide Forum
    , all buffers have a series of weights inside of them Varying combinations of steel and tungsten weights and spacers determine the total buffer weight You don't mention what caliber and stock configuration you are working with The article I linked to doesn't address the AR10 buffers but there are 2 different lengths depending on the stock setup
  • Its Elemental - The Element Rhenium - Thomas Jefferson National . . .
    Rhenium is used in flash lamps for photography and for filaments in mass spectrographs and ion gages, but is most frequently used as an alloying agent in tungsten and molybdenum and as a catalyst for performing certain reactions to a type of hydrocarbon known as an olefin
  • 18 6. 5 PRC Proof Carbon Fiber Barrel - Snipers Hide
    The Tungsten color is a little flatter and less shiny in person This one is chambered in 6 5 PRC with a Proof Research Carbon Fiber Barrel, Area 419 Hellfire Brake (this can be swapped out for something else if desired), and a custom 6 5 PRC magazine
  • SLAP ROUNDS? | Snipers Hide Forum
    Yes I know but I prefer the legal way Black market = ilegal = prison That's why im talking about the sabot, not how make tungsten cores I am more surprised how in the USA companies like Atlas Arms manufacture and sell copper byrelium bullets including sabot legally Legal armor piercing ammo, no joke Probably some loophole in the law
  • Consensus firearm lubricant | Snipers Hide Forum
    Fifteen years ago when moly coating bullets was common I tried Tungsten disulfide known in the shooting world as Danzak It is far superior to moly lubricants for all applications It is available both as a dry powder or in suspension with oil or grease
  • Sako S20 muzzle brake opinions? | Snipers Hide Forum
    Sako S20 Muzzle Brake Tungsten 5 8x24 S588207093 For Sale www eurooptic com stanley_white





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