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2013-06-08 15:45:31, 95.5 K
2Â¥2013-06-08 15:45:35
wolfghost
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3Â¥2013-06-09 08:55:06
xinmor
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601379902: ½ð±Ò+2, ²©Ñ§EPI+1, ¡ïÓаïÖú, »¹ÊÇûÓнâ¾ö×îÖØµãµÄÎÊÌâ 2013-06-13 12:40:45
601379902: ½ð±Ò+2, ²©Ñ§EPI+1, ¡ïÓаïÖú, »¹ÊÇûÓнâ¾ö×îÖØµãµÄÎÊÌâ 2013-06-13 12:40:45
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Physical Properties of Silicon Atomic Mass Average: 28.0855 Boiling Point: 2628K 2355¡ãC 4271¡ãF Coefficient of lineal thermal expansion/K-1: 4.2E-6 Conductivity Electrical: 2.52E-12 106/cm ¦¸ Thermal: 1.48 W/cmk Density: 2.33g/cc @ 300K Description: Hard dark gray non-metal. Elastic Modulus: Bulk: 100/GPa Youngs: 47/GPa Enthalpy of Atomization: 439.3 kJ/mole @ 25¡ãC Enthalpy of Fusion: 46.44 kJ/mole Enthalpy of Vaporization: 439 kJ/mole Flammablity Class: Combustible Solid in powder form Freezing Point: see melting point Hardness Scale Mohs: 6.5 Heat of Vaporization: 384.22kJ/mol Melting Point: 1683K 1410¡ãC 2570¡ãF Molar Volume: 12.05 cm3/mole Optical Reflectivity: 28% Physical State (at 20¡ãC & 1atm): Solid Specific Heat: 0.71J/gK Vapor Pressure = 4.77@1410¡ãC |

4Â¥2013-06-09 10:48:10
601379902
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5Â¥2013-06-09 16:13:38
»Ã»¯³É·ç1990
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Temperature (K) Pressure (Pa) 1 101325 171 2 101325 342 3 101325 511 4 101325 677 5 101325 839 6 101325 993 7 101325 1140 8 101325 1270 9 101325 1390 10 101325 1480 15 101325 1700 20 101325 1540 30 101325 1000 40 101325 623 50 101325 405 60 101325 285 70 101325 216 80 101325 175 90 101325 150 100 101325 134 150 101325 104 200 101325 94 250 101325 86.5 300 101325 80.2 350 101325 74.4 400 101325 69.5 500 101325 61.3 600 101325 54.7 800 101325 43.3 1000 101325 32.3 1200 101325 28.3 1400 101325 31.2 1600 101325 33 1800 101325 34.5 |

6Â¥2014-11-28 16:34:43
»Ã»¯³É·ç1990
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Temperature (K) Pressure (Pa) 1 101325 6.93 2 101325 45.4 3 101325 138 4 101325 297 5 101325 527 6 101325 823 7 101325 1170 8 101325 1550 9 101325 1950 10 101325 2330 15 101325 4160 20 101325 4980 30 101325 4810 40 101325 3530 50 101325 2680 60 101325 2110 70 101325 1680 80 101325 1340 90 101325 1080 100 101325 884 150 101325 409 200 101325 264 250 101325 191 300 101325 148 350 101325 119 400 101325 98.9 500 101325 76.2 600 101325 61.9 800 101325 42.2 1000 101325 31.2 1200 101325 25.7 1400 101325 23.5 1600 101325 22.1 |

7Â¥2014-11-28 16:35:22
»Ã»¯³É·ç1990
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8Â¥2014-11-28 16:36:57














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