An electron microscope uses a beam of highly energetic electrons to illuminate the object. As compared to the optical microscopes‚ electron ones can produce highly magnified images. Electrostatic and electromagnetic lenses are used in electron microscopes. These lenses control the electron stream and focus it to a specific plane of the sample. This method is similar to that of an optical microscope‚ which uses light to focus on the specimen. The original version of electron microscope‚ called transmission
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Learning Style Instrument: Right Brain/Left Brain and Whole Brain Prepared by: Baranda‚ Jareth Joy L. Dr. Roger Sperry -brain functions in many ways as two brains -brain composed of two hemispheres Left hemisphere of the brain: -vocal‚ analytical side‚ which is used for verbalization and for reality-based and logical thinking. Right hemisphere of the brain: -emotional‚ visual-spatial‚ nonverbal -thinking processes using the right brain are intuitive‚ subjective
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VIBRATION MEASUREMENT In some practical situations‚ it might be difficult to develop a mathematical model of the system and predict its vibration characteristics through an analytical study. In such cases‚ we can use experimental methods to measure the vibration response of the system to a known input. This helps in identifying the system in terms of its mass‚ stiffness‚ and damping. In practice the measurement of vibration becomes necessary for the following reasons: 1. The increasing demands
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Gain Equalization of Erbium Doped Fibre Amplifiers with Tuneable Long-Period Gratings Thabiso J. Nhlapo‚ Pieter L. Swart‚ and Anatoli A. Chtcherbakov Centre for Optical Communications and Sensors Faculty of Engineering‚ Rand Afrikaans University PO Box 524‚ Auckland Park 2006‚ South Africa Abstract-This paper presents an adaptive gain equalization technique of the gain spectrum for an Erbium Doped Fibre Amplifier (EDFA) by using a tuneable Long-Period Grating ) (LPG). The gain spectrum of an EDFA
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screen shot of your entire spread sheet that shows the check on your spread‐sheet calculations. 2. Performance (10 pts): Insert a screen shot of your entire spread sheet that shows the baseline system performance. Optical Power | | | Source Power | 20.0000 | [mW] | | Source Power | 13.0103 | [dBm] | | Source-to-fiber coupling loss | 5.8000 | [dB] | | Fiber loss @ source mean wavelength λo | 0.2000 | [dB/km] | | Link length | 90.0000 | [km] |
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NT1310 Physical Networking Unit 4 Exercise 1: Cabling – Definitions Horizontal Cable- The cabling between and including the telecommunications outlet and the horizontal cross-connect. Backbone Cable- A cable connection between telecommunications or wiring closets‚ floor distribution terminals‚ entrance facilities‚ and equipment rooms either within or between buildings. Patch Cords- Any flexible piece of cable that connects one network device to the main cable run or to a patch panel that in turn
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INTRODUCTION The current ultramodern technologies are focusing on automation and miniaturization. The decreasing computing device size‚ increased connectivity and enhanced interaction with the physical world have characterized computing history. Recently‚ the popularity of small computing devices‚ such as hand held computers and cell phones; rapidly flourishing internet group and the diminishing size and cost of sensors and especially transistors have accelerated these strengths. The emergence
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inspections‚ Documentation & invoicing. Fiber optic network Survey‚ planning‚ lying and distribution. Structure cabling‚ data and voice cabling designing and documentation Surveys & BOQs preparations. Structured Cabling including UTP‚ Copper and Optical Fiber. Monitor the laying all MEP conduits‚ duct/Trench layouts/Flow layout / Duct layout‚ Cable Routing Layout‚ Cable Tray Layout‚ Layouts‚ MFD ‚FTR ‚STR(GSM) cable schedule and cabinets including the MDF raceway as per the TIA guideline. Supervise
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The horizons of optical networks are much more than high speed physical layer transport. An intelligent optical network design must include higher network layer considerations. This is the only book currently on the market that addresses optical networks from the physical layer to the network layer and should be valuable for those who try to understand the intricacies of what optical networks can be. —Vincent Chan‚ Professor‚ MIT Department of Electrical Engineering and Computer Science This book
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Resolution of α-Phenylethylamine Date of Completion of Experiment: Monday‚ November 19‚ 2012 Date Report Submitted: Monday‚ December 3‚ 2012 Objective of Experiment The objective of this experiment was to learn the process of resolution of α-phenylethylamine. Materials Compound | Molecular Weight (g/mol) | Melting Point (°C) | Amount used | Moles used | (+) Tartaric Acid | 150.087 | 171–174 | 11.9 g | 7.93 x 10-2 | (+‚-) α-phenylethylamine | 121.18 | 184-186 | 10.0 ml | 8.25 x 10-2 |
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