... or four days. Reproduced from Keytime Time Management with the kind permission of Keytime Management Developement 6 The John Adair Handbook of Management and Leadership Peter Drucker’s view is that ... (1) Important and urgent a b c Important 14 The John Adair Handbook of Management and Leadership Your plan of action for the day should follow these rules: • Make...
Ngày tải lên: 18/03/2014, 11:45
Handbook of Management and Leadership
... Managing for results professional standards of the Chartered Institute of Personnel and Development, which form part of the overall Leadership and management professional standards. Drucker, P ... rest of the book by defi ning and distinguishing between the processes of management and leadership. It also deals with the infl uences that affect management in the shap...
Ngày tải lên: 18/03/2014, 11:54
... between predictions of fractal model and experiments of Yamada et al. (1978). FIGURE 4.34 Comparison among predictions of the fractal model, the GW model, and experiments of Bhushan and Dugger (1990) ... roughness of regime 2 and one can again use the relation of Equation 4.3.25 for a single fractal behavior. Note that in such a case, σ is only related to G 1 and D 2 of...
Ngày tải lên: 18/10/2013, 09:15
Handbook of Micro and Nano Tribology P8
... dense films of long-chain molecules. Bhushan et al. (1995b,c) conducted micro- and macroscale friction and wear studies on single-grafted and double-grafted octodecyl (C 18 ) and LB films and their ... single-grafted, LB, and Au films and is comparable with that of SiO 2 film. The C 18 double-grafted films can withstand much higher normal force of 40 µN as compared...
Ngày tải lên: 18/10/2013, 09:15
Handbook of Micro and Nano Tribology P14
... Ruan and Bhushan (1994a–c), Koinkar and Bhushan (1996a,b, 1997a,b), and Sundararajan and Bhushan (1998). Koinkar and Bhushan (1996a,b) and Poon and Bhushan (1995a,b) reported that rms roughness and friction ... Majumdar and Bhushan (1991) and Bhushan and Majumdar (1992) have reported relationships for cumulative size distribution of the contact spots, portions of th...
Ngày tải lên: 18/10/2013, 09:15
Handbook of Micro and Nano Tribology P16
... at a normal load of 70 µN with a depth of indentation about 3 nm and hardness values of 15.8 and 19.5 GPa, respectively (Bhushan and Koinkar, 1994). Hardness values of virgin and C + -implanted ... diaphragms and X-ray masks. For a summary of SiC devices and applications, see Harris (1995). Table 16.1 compares selected bulk properties of SiC and Si(100). Because...
Ngày tải lên: 25/10/2013, 12:15
Handbook of Micro and Nano Tribology P5
... chemical and mechanical properties of the surface and near-surface region of the tip and sample determine the adhesive behavior. A compliant tip–sample system of large curvature radius and large ... understanding of friction, lubrication, and wear? The interpretation of surface forces and adhesion measurements is challenging. Even if you under- stand your instrumental ar...
Ngày tải lên: 09/11/2013, 03:15
Tài liệu Handbook of Micro and Nano Tribology P9 pptx
... diameters (Snook and van Megan, 1979, 1980, 1981; van Megan and Snook, 1979, 1981; Kjellander and Marcelja, 1985a,b; Tarazona and Vincente, 1985; Hend- erson and Lozada-Cassou, 1986; Evans and Parry, ... Berlin. McClelland, G. M. and Cohen, S. R. (1990), Chemistry and Physics of Solid Surfaces VIII, pp. 419–445, Springer, Berlin. McGuiggan, P. and Israelachvili, J. N. (199...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Colchero, J. et al. “Friction on an Atomic Scale”Handbook of Micro and Nano Tribology P6 Handbook of Micro/Nanotribology. Ed. Bharat ppt
... this wire was bent and electrochemically etched to serve as a probing tip. With a typical length of 12 mm and diameters of 0.25 and 0.5 mm, they obtained force constants of 150 and 2500 N/m, respectively, ... image and the lateral force in the case of purely conservative forces. For a detailed understanding of the lateral force and its relation to the normal force and...
Ngày tải lên: 25/12/2013, 23:18
Tài liệu Handbook of Micro and Nano Tribology P10 pptx
... depends on the elastic and plastic properties of the material. 10.3.7 Determination of Hardness and Modulus of Elasticity of Thin Films from the Composite Response of Film and Substrate As mentioned ... properties of surface layers of bulk materials and of ultrathin coatings. The nanoindentation apparatus continously monitors the load and the position of the inden...
Ngày tải lên: 25/12/2013, 23:18