frishman light cone and short distancecs
visible light communication and its fundamental study
... visible light wireless communication using lighting equipment. Proposal LED Lighting Equipments First, we design two proposal lighting equipments. They are general lighting and down- light. Table ... incidence, and d is the distance between an LED and a detector’s surface. From this equation, illuminance distribution of the general lighting and the downlight are shown in Fig. 4.5(a...
Ngày tải lên: 26/10/2013, 16:43
Research " Monetary Policy , the Banking System, and Short -term Money Instrusments " pot
Ngày tải lên: 07/03/2014, 02:20
Mechanical properties of solid polymers Constitutive modelling of long and short term behaviour pptx
... dependence, and temperature and stress dependence. Not only the momentary values of temperature and stress are relevant, but the entire prior history is (i.e. stress and temperature during processing and ... regarding quality, safety, and mechanical performance (e.g. stiffness, strength and impact resistance). Mechanical performance is generally optimized by trial -and- error un...
Ngày tải lên: 09/03/2014, 00:20
Fundamentals of light sources and lasers mark csele
... Output of an incandescent lamp. 6 LIGHT AND BLACKBODY EMISSION FUNDAMENTALS OF LIGHT SOURCES AND LASERS where n is the frequency of the mode and c is the speed of light. Rayleigh and Jeans went ... case here, and it may be surprising that this light which we call white is very rich in red and orange light (600 to 700 nm) and relatively weak in violet and blue light...
Ngày tải lên: 17/03/2014, 14:28
WO3nanowires on carbon papers: electronic transport, improvedultraviolet-light photodetectors and excellent field emitters
... nm), and UV-C (200– 290 nm), among which the UV-A light can easily reach the Earth’s surface and may cause a skin cancer. Different from the visible light, people’s eyes are blind to the UV-A light. ... gradually and reaches the maximum value at $375 nm (3.3 eV, close to bandgap of WO 3 ) and then drops, implying a band-gap excita- tion related process. The decreased sensitivity a...
Ngày tải lên: 20/03/2014, 13:12
GaN-Based Laser Diodes Towards Longer Wavelengths and Short Pulses pdf
... Moser and Christian Gossler, for an excellent working atmosphere and a lot of physical and philosophical discus- sions. And of course I have to thank my diploma student Christian Hornuss and my bachelor ... . . . . . . 7 2.2.1 Bandgap and Refractive Index Engineering . . . . . . . . . . 7 2.2.2 Piezoelectric Polarization and Active Region Design. . . . 10 2.2.3 Band Profile and...
Ngày tải lên: 22/03/2014, 15:20
Báo cáo khoa học: J1–Photosynthetic Light Harvesting and Reaction Center Complexes ppt
... includes those cellular and ion transport processes controlling responses as diverse as stomatal, leaf and floral movements, hypocotyl elongation, nutrient uptake and inter- and intracellular transport. The ... allo- cation in roots and leaves. After selection, we screened 11 Cd sensitive (S) and 18 Cd hypertolerant (T) plants. Proteomic ana- lysis was performed on both pools S an...
Ngày tải lên: 23/03/2014, 15:20
THE ECONOMI INTEGRATION OF IMMIGRANTS IN THE UNITED STATES: LONG-AND SHORT-TERM PERSPECTIVES potx
... Natasha Iskander Nichola Lowe and Christine Riordan The Rise and Fall of a MicroLearning Region Mexican Immigrants and Construction in Center-South Philadelphia,” Environment and Planning ... www.migrationpolicy.org/pubs/Holzer-January2011.pdf. Iskander, Natasha, Nicola Lowe, and Christine Riordan. 2010. The Rise and Fall of a Micro-Lending Region: Mexican Immigrants and...
Ngày tải lên: 23/03/2014, 21:20