Direct ray tracing for low energy electron microscopy

... 1.1 Low energy electron microscopy and mixed field objective lens 1.2 Direct Ray Tracing 1.3 Low voltage scanning electron microscopy 1.4 Time of flight electron emission ... spectrum formation in mixed field immersion lenses for low energy electron microscopy system 1.4 Time of flight electron emission microscope and drift tube design All forms of electron...

Ngày tải lên: 04/10/2015, 16:03

... modular imaging system for photoelectron and electron probe microscopy with 20 aberration correction, and for mirror microscopy and low- energy electron microscopy , Ultramicroscopy 36 (1991) 252 ... The First Magnetic Sector Deflector Unit 108 4.3.2 The Second Magnetic Sector Deflector Unit 110 4.3.3 A Miniature Magnetic Immersion Lens for an Improved Magne...

Ngày tải lên: 15/09/2015, 17:09

... photons and electrons in a variety of treatment modalities including intensity modulated radiotherapy (IMRT) and dynamic arc therapy The package includes, for both photons and electrons, commissioning ... regardless of the composition of commissioning sets, mean values of the seven confidence limits are typically less than %/mm over most of the range of depths and SSDs we ex...

Ngày tải lên: 03/11/2012, 10:05

... method of low-energy electron irradiation has been developed in our laboratory for surface energy modification of solid-state materials of different origins [13, 20] The key principle of the method ... level of electron incident charge and the other is formation of ultrathin organic film, which was observed for high -electron doses [21] In this paper, we apply the method o...

Ngày tải lên: 22/06/2014, 00:20

... FS-IGBT and the new IGBT for MERS are shown in Fig Low saturation voltage (1.54 V) at rated current was achieved, where the conventional IGBT with same rating has 2.10 V saturation voltage The FWD voltage ... IGBT for a magnetic energy recovery switch application,” IEEJ Transaction on Electronics, Information and Systems, vol 128, no 4, 2008 Y Onozawa, M Otsuki...

Ngày tải lên: 15/10/2013, 16:10

... combined factors may explain why previous studies did not readily identify two planes of density Negatively stained PSII/LHCII crystals in spinach grana [14] display some small domains that lie in ... PSII core complexes can be observed in one discrete plane and membrane fraction, and LHCII complexes can be observed in another membrane fraction A survey of previous structural stu...

Ngày tải lên: 17/03/2014, 17:20

... [10] N Moraitis and P Constantinou, Indoor channel measurements and characterization at 60 GHz for wireless local area network applications,” IEEE Transactions on Antennas and Propagation, vol ... Selected Areas in Communications, vol 20, no 3, pp 620–630, 2002 [3] T Manabe, Y Miura, and T Ihara, “Effects of antenna directivity and polarization on indoor multipath propagation...

Ngày tải lên: 22/06/2014, 22:20

... with low back pain for lumbar spine x-ray: ’When a patient presents with back pain, I have in mind to refer them for X-ray, I intend to refer patients with back pain for an X-ray as part of their ... et al.: Applying psychological theories to evidence-based clinical practice: identifying factors predictive of lumbar spine x-ray f...

Ngày tải lên: 10/08/2014, 10:23

... naturally raises the question of whether the electron energy analyzers used for the SAM can be incorporated into the SEM? The two most commonly used electron energy analyzers for the SAM are the Cylindrical ... develop electron energy spectrometers for the Scanning Electron Microscope (SEM), in order to make it a more powerful instrument for nano-sc...

Ngày tải lên: 10/09/2015, 15:53

... equipment and conditions used for in- situ deposition of the nickel film using electron beam evaporation followed by the in- situ annealing using direct resistive heating Finally the data acquisition ... Results and discussion II: Ni on relaxed Si0 .75Ge0. 25 (100) 95 6.1 Preliminary inspection of relaxed Si0 .75Ge0. 25 (100) 96 6.2 Nickel depositio...

Ngày tải lên: 04/10/2015, 16:03

... different types of solar and thermal energy harvesting systems The main focus of this report is to develop energy efficient solar and thermal energy harvesters for low power wireless sensor applications ... converter (ADC) and voltage as well as current sensors Hence, the overall efficiency of the scavenging system for low power application is comparative...

Ngày tải lên: 13/10/2015, 15:55

... glorious, destination, spacious, left-over, Botanical Garden Skills: Listening for main ideas and listening for specific information * Methods: Integrated, mainly communicative approach * Teaching ... peaceful and quiet in the garden They took pictures, played games, talked together, sang and danced IV Post -listening (10) - Gives instructions and ask Ss to discuss to plan...

Ngày tải lên: 01/07/2013, 01:26

... Establishment of policy framework for building energy standards The practice of building energy standard for energy saving and sustainable energy efficient design in building is a complex system, involving ... Methodology for Optimising the Energy Performance of Buildings in Bahrain Energy and Building. 2008, 40, 1297-1303 [50] Energy Efficiency...

Ngày tải lên: 05/09/2013, 14:58

... Bolinger for US DOE [11] (check) n.a n.a n.a Partial data; 0.68c€/kWh for the most recent n.a projects; 1.7 c€/kWh for older projects Models of projects economic evaluation 3.1 Economic basics of projects ... of the wind farms are for at least 20 years 4.2 Peculiarities in the cost analysis of wind energy projects The adoption of standardized methodology for calcu...

Ngày tải lên: 05/09/2013, 16:30

... Debt Sustainability and Debt Indicators Debt Sustainability Framework Debt Distress Performance Based Allocation System 10 Allocation of Grants 14 Financing of Grants 15 Concerns and Issues 16 ... Issues 16 Debt Sustainability Framework 16 The PBA System 17 Other Issues 18 Conclusions and Recommendations 18 CPIA 20 Debt Thresholds and Indicators 21 Anne...

Ngày tải lên: 28/10/2013, 08:15