Ngày tải lên: 06/12/2015, 16:57
Ngày tải lên: 06/12/2015, 16:57
Sổ tay tra cứu transistor
... 2SC4891-SAN 2SC5294-MAT Transistor au Silicium NPN TRANSISTOR 2SC5296-SAN Transistor au Silicium NPN+Diode 1500V 8A 60W 2SC5297-SAN Transistor au Silicium NPN 1500V 8A 60W 2SC5299-SAN Transistor au Silicium ... BC327-25-MBR 2N4291 Transistor au Silicium PNP 40V 0.2A 0.25W 150MH 2N4302 Transistor FET a canal N 30V 0.5mA 0.3W 2N4347 Transistor au Silicium NPN 140V 5A 100W 0.8MHz...
Ngày tải lên: 12/10/2012, 15:30
Sổ tay kết cấu thép - Section 1
... 75 70 50 60 65 70 70–90 80 10 0 95 11 5 90 11 0 85 10 5 90 11 0 90 11 0 65 75 80 90 22 22 19 19 19 18 19 21 18 17 16 — — — — — — — 18 16 15 14 ن 1. 4 SECTION ONE TABLE 1. 1 Specified Minimum Properties ... maximum 11 ⁄4 maximum 11 ⁄4 maximum ن and and 1 5 1 5 1 5 50 46 42 50 46 42 70 67 63 70 67 63 21 21 21 21 21 21 18 18 18 18 — — 1 5 1 5 1 3 1 3 1 5 42...
Ngày tải lên: 18/10/2012, 16:13
Sổ tay kết cấu thép - Section 2
... painting, and shipping 2. 10 BUILT-UP SECTIONS These are members made up by a fabricator from two or more standard sections Examples of common built-up sections are shown in Fig 2. 2 Built-up members are ... Society for Protective Coatings, Forty 24 th St., Pittsburgh, PA 1 522 2.) 2. 12 FABRICATION TOLERANCES Variations from theoretical dimensions occur in hot-rolled structural steel be...
Ngày tải lên: 18/10/2012, 16:13
Sổ tay kết cấu thép - Section 3
... original force F FIGURE 3. 3 Resolution of a force in three dimensions 3. 3 3. 4 SECTION THREE Fx ϭ F cos ␣x (3. 2a) Fy ϭ F cos ␣y (3. 2b) Fz ϭ F cos ␣z (3. 2c) F ϭ ͙Fx2 ϩ Fy2 ϩ Fz2 (3. 2d ) where ␣x, ␣y, ... F1x ϩ F2x ϩ F3x (3. 3a) Ry ϭ ͚Fy ϭ F1y ϩ F2y ϩ F3y (3. 3b) Rz ϭ ͚Fz ϭ F1z ϩ F2z ϩ F3z (3. 3c) The magnitude of the resultant force R can then be determined from R ϭ ͙Rx2 ϩ Ry2 ϩ Rz2...
Ngày tải lên: 18/10/2012, 16:13
Sổ tay kết cấu thép - Section 4
... 648 49 2 2 64 166 320 45 0 544 590 576 49 5 360 189 14, 406 31 59 81 94 95 81 49 152 292 40 8 48 8 520 49 2 392 217 135 261 369 45 0 49 5 49 5 44 1 329 175 12,288 79 152 213 256 275 2 64 217 128 95 1 84 261 320 ... 213 175 329 44 1 49 5 49 5 45 0 369 261 135 768 23 40 45 32 31 56 69 64 38 117 216 279 288 232 128 94 176 2 34 256 2 34 276 94 275 520 705 800 7 84 672...
Ngày tải lên: 18/10/2012, 16:13
Sổ tay kết cấu thép - Section 5
... A5.1 or A5 .5 E70 15, E7016, E7018, E7028 E70 1 5- X, E7016-X, E7018-X AWS A5.17 or A5.23§ F7XX-EXXX F7XX-EXX-XX AWS A5.18 ER70S-X A572 grades 60 and 65 AWS A5 .5 E8016-X, E80 1 5- X E8018-X AWS A5.23§ ... E70 15, 16, 18C1L, C2L E8016, 18-C1, C2§ E8016, 18-C3§ E8018-W§ AWS A5 .5 E9018-M AWS A5.17 F6A0-EXXX F7A0-EXXX AWS A5.20 E6XT-1 ,5 E7XT-1 ,5 AWS A5.17 F7A0-EXXX AWS A5.20 E7XT-1 ,5 AW...
Ngày tải lên: 18/10/2012, 16:13