Carbon Nanotubes Episode 5 pps

... [2, 3]. It is difficult to observe the individual graphitic structure in a sheet of CNT by TEM, because 12 15. 16. 17. 18. 19. 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . ... 24 positions R/1, /2 = liAi + 12A2 (11, 12; integers) (Ai, A2; base vectors of the two-dimensional (2D) hexagonal lattice of tube axes) IA 1 I = lA2l = 2Ro. Formal...

Ngày tải lên: 11/08/2014, 21:21

... 3 05- 850 1, Japan 2Departrnent of Material Science, Osaka City University PREST, Japan Science and Technology Corporation 3-3-138 Sugimoto, Surniyoshi-ku, Osaka 55 8- 858 5, Japan 1 Introduction ... Rev. Lett., 1992, 68, 157 9. Ajiki, H. and Ando, T., J. Phys. Soc. Jpn., 1993, 62, 1 255 . Ajiki, H. and Ando, T., J. Phys. Soc. Jpn., 1996, 65, 50 5. Aj...

Ngày tải lên: 11/08/2014, 21:21

... Programme of Science und Technology of Carbon (Eurocarbon &apos ;98 ). Vol. 11, Strasbourg, France, July 6-7, 199 8, pp. 6 79 680. Yoshimura, S. and Chang, R. P. H., Supercarbon, Synthesis, ... C., Nature, 199 7, 386,474. White, C. T. and Todorov, T. N., Nature, 199 8, 393 , 240. Tans, S. J., Verschueren, A. R. M., and Dekker, C., Nature, 199 8,...

Ngày tải lên: 11/08/2014, 21:21

... 6. 45 23.93 11.38 24.97 5. 56 20.88 6.74 19 .53 12. 05 18.84 5. 62 11.90 8. 25 13.32 13.88 13.00 9.31 10 .51 114.71) 40.00 Based on the data in Table 4.3, we illustrate the derivation of the ... include the use of common and antithetic variables, control variables, and stratification. The rest of this chapter is organized as follows. We start, in Sections 5. 2 -5. 5,...

Ngày tải lên: 12/08/2014, 07:22

... and wrists. See Figure 5. 1 and 5. 2. Figure 5. 1 Properly dressed welder. Figure 5. 2 Boots, leathers, gloves. 43 for GTAW ã Gas Tungsten Arc Welding TIGTIG HANDBOOKHANDBOOK Safe Handling of Cylinders Regardless ... Figure 5. 8. Figure 5. 6 Shielding gas cylinder. Figure 5. 7 Rolling a cylinder. Handwheel Outlet Nozzle Protector Cap Valve Safety Nut 45 for GTAW ã Gas Tungsten Arc...

Ngày tải lên: 12/08/2014, 08:21

... show that any instance of the schemas A1 A8 is a tautology and then apply Lemma 7.2. That each instance of schemas A1 A3 is a tautology follows from Proposition 6. 15. For A4 A8 you’ll have to ... because there cannot be an onto map between a countable set, such as N = |C|, and a set which is at least as large as R,suchas|U|. In general, the method used above can be used to show th...

Ngày tải lên: 12/08/2014, 16:20

... − df 1 dS 1 ) f 1 −S 1 . (5. 1 .53 ) Eq. 5. 1 .51 has the solution x 1 = e −  P (S 1 )dS 1  Q(S 1 )e  P (S 1 )dS 1 dS 1 + c 0  , (5. 1 .54 ) where c 0 is a constant of integration. Evaluation of Eq. 5. 1 .54 gives x 1 = ... − 1 K 1  S 1 + 1 K 1 + y 1 K 2 1 (f 1 −1) dK 1 dy 1 . (5. 1.38) Substitution of Eqs. 5. 1. 35, 5. 1.36, 5. 1.37, and 5. 1.38 into Eq. 5. 1.29 shows that...

Ngày tải lên: 12/08/2014, 16:21

... facts that spin  acts experimentally like something rotating in space having an intrinsic   couples with the normal orbital angular momentum to the resulting total    Since all fundamental ... > 0 restricted to time intervals containing jumps In free space, and supposing that advection applies during time intervals of mean a  , [4] obtained the following macroscopic equati...

Ngày tải lên: 12/08/2014, 16:21

... (hard) 3 25 12 00 0.70 2 85 500 PZT 5H (soft) 19 5 2800 0. 75 593 65 BaTiO 3 13 0 19 00 0.49 19 0 50 0 Quartz, single-crystal 4.6 0 .1 (k 11 ) 2.3 (d 11 ) > ;10 6 LiNbO 3 , single-crystal 12 10 29 0 .17 6 BaTiO 3 (modified) ... position and the intensity of 15 00 Absorbance 0.8 0.9 1. 0 1. 1 1. 2 15 20 Wavelength (nm) 15 40 15 80 Figure 7. Overlaid optical fibe...

Ngày tải lên: 13/08/2014, 05:20

... 0.80 0 .50 0.20 0 .55 B 0.40 0.60 1.20 0.30 1 .50 C 0.36 0.70 1 .50 0. 25 1 .50 D 0.40 0.60 1.20 0. 15 1 .50 E 0.41 0. 85 0 .50 0. 25 0 .55 F 0.40 0. 65 0. 75 0. 25 0. 85 G 0.40 0.60 0. 65 0 .55 2 .55 120 Engineering ... hard”“Hard” 1100 35 1 15 1 45 30 05 65 140 1 85 5 456 140 300 370 Case studies in steels 1 35 Fig. 13.3. The hardness profile of the tube. Fig. 13.4....

Ngày tải lên: 13/08/2014, 05:20

... lubrication and wear in lower kinematic pairs 1 05 the fact that when r>+ the machine will not sustain the load when the effort is removed. Thus, referring to the inclined plane, Fig. 4.9, ... corresponding to the maximum efficiency given above and the mechanical advantage is reduced in the ratio 4. 75 : 0.9 = 5. 23 : 1. In general, the following is approximately t...

Ngày tải lên: 13/08/2014, 05:21

Ngày tải lên: 13/08/2014, 05:22

... Eq. (5. 14) Substrate Vfb df Qh Y <h VTO nMOST p-type - +- +++ pMOST n-type - -+ - (for metals and n+ polysilicon gate) - - (for metals and n+ polysilicon gate) + (for ... frequency MOS capacitance’, Solid-state Electron., 17, pp. 73 5- 7 42 (1974). ED-32, pp. 61 7-6 21 (I 9 85) . 5. 1 MOSFET with Uniformly Doped Sub...

Ngày tải lên: 13/08/2014, 05:22

... 5 3 57 6 -7.3 75 6 3 756 -7.376 7 3 960 -1.3 15 8 3 1188 -7.372 9 3 1440 -7.369 4 4 384 -7.378 5 4 54 0 -7.368 6 4 720 -7.374 7 4 924 -7.374 8 4 1 152 -7.372 9 4 1404 -7.370 6 6 57 6 ... have reported the production of carbon nanotubes by the catalytic decomposition of hydrocarbons in the presence of metals[ 1 -51 . More recently, carbon nanotubes were...

Ngày tải lên: 13/08/2014, 15:21

... distance between atoms. @-Excitation 260 280 30 0 32 0 34 0 36 0 Energy Loss (ev) b)Diamond 1 @-Excitation 260 280 30 0 32 0 34 0 36 0 Energy Loss (ev) Fig. 4. EEL spectra ... Ichihashi, T., Nature, 19 93, 36 3, 6 03. Dravid, V. P., Lin, X., Wang, Y., Wang, X. K., Yee, A., Ketterson, J. B. and Chang, R. P. H., Science, 19 93, 259, 1601. Wan...

Ngày tải lên: 13/08/2014, 17:20