Nā huahana
Tungsten | |
hōʻailona | W |
Hana ma STP | paa |
Lae hehee | 3695 K (3422 °C, 6192 °F) |
Lae paila | 6203 K (5930 °C, 10706 °F) |
ʻO ka mānoanoa (kokoke rt) | 19.3 g/cm3 |
Ke wai (ma mp) | 17.6 g/cm3 |
Ka wela o ka hui ʻana | 52.31 kJ/mol[3][4] |
Ka wela o ka mahu | 774 kJ/mol |
Ka hiki wela molar | 24.27 J/(mol·K) |
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Tungsten Carbide pauda hina hina Cas 12070-12-1
Tungsten Carbidehe lālā koʻikoʻi ia o ka papa o nā pūhui anorganic o ke kalapona. Hoʻohana wale ʻia a i ʻole 6 a 20 pakeneka o nā metala ʻē aʻe e hāʻawi i ka paʻakikī e hoʻolei i ka hao, ka ʻoki ʻana i nā ʻaoʻao o nā ʻili a me nā drills, a me nā kiko komo o nā projectiles hoʻopaʻa kaua.
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Tungsten(VI) Oxide Pauda (Tungsten Trioxide & Blue Tungsten Oxide)
ʻO Tungsten (VI) Oxide, i ʻike ʻia ʻo tungsten trioxide a i ʻole tungstic anhydride, he mea kemika i loaʻa ka oxygen a me ka tungsten metala hoʻololi. Hiki ke hoʻoheheʻe ʻia i loko o nā hāleʻa alkali wela. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai a me nā waikawa. Hiki ke hoʻoheheʻe ʻia i loko o ka waika hydrofluoric.
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ʻO Cesium Tungsten Bronzes(Cs0.32WO3) Hōʻike Min.99.5% Cas 189619-69-0
ʻO Cesium Tungsten Bronzes(Cs0.32WO3) he mea hoʻoheheʻe kokoke i ka infrared me nā ʻāpana like ʻole a me ka hoʻopuehu maikaʻi.Cs0.32WO3Loaʻa i ka hana pale kokoke-infrared maikaʻi loa a me ke kiʻekiʻe o ka transmittance māmā. Loaʻa iā ia ka absorption ikaika i ka ʻāina kokoke-infrared (ka lōʻihi o ka nalu 800-1200nm) a me ka transmittance kiʻekiʻe ma ka ʻāpana kukui ʻike ʻia (ka lōʻihi o ka nalu 380-780nm). Loaʻa iā mākou ka synthesis kūleʻa o ka crystalline kiʻekiʻe a me ka maʻemaʻe kiʻekiʻe Cs0.32WO3 nanoparticles ma o kahi ala pyrolysis spray. Me ka hoʻohana ʻana i ka sodium tungstate a me ka cesium carbonate ma ke ʻano he mea maka, ua hana ʻia nā pauka cesium tungsten bronze (CsxWO3) e ka hopena hydrothermal haʻahaʻa me ka waikawa citric ma ke ʻano he mea hoʻemi.