An anti-lock braking system or anti-skid braking system (ABS) is an automobile safety system that allows the wheels on a motor vehicle to maintain tractive contact with the road surface according to driver inputs while braking, preventing the wheels from locking up (ceasing rotation) and avoiding uncontrolled skidding. It is an automated system that uses the principles of threshold braking and cadence braking which were practiced by skillful drivers with previous generation braking systems. It does this at a much faster rate and with better con ....etc

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i wnt immediately a ppt on ultrasonic spectacles and waist belt for visually impaired and blind persons ....etc

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Hi i need a ppt on ' sonic and ultrasonic instruments ' , it would be very kind if sumone can help me with it ....etc

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I need complete concept along with list of components required and cicuit diagram.Please use 8085 for it if you can provide program too i will be highly thankful. ....etc

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Abstract
Corrosion is one of the serious problem affecting airforce and other aviation industries. It affects the aircraft on its wings, surface, between joints and fasteners. The presences of corrosion underneath the paints of surface and between joints are not easy to be detected. The unnoticed presence of corrosion may cause the aircraft to crash leading to human and money loses.

To detect the corrosion present on the metal surface, various methods and tests are used. These tests conducted should be such that it does not destroy or disassem ....etc

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Nonintrusive manipulation by standing-wave acoustics has been widely used for levitation and trapping of macroscopic objects.1 The standing-wave field creates an acoustic radiation force on the object that depends on its size and acoustic parameters.2 In the present article we demonstrate size-selective separation and retention of latex spheres inside a small-diameter flow-through capillary by use of an ultrasonic radiation trap. The work aims at rapid in-flow detection and separation of specific molecules via antibody-coated latex spheres. Aco ....etc

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Charge Trapping Effects in High-k Transistors



Note, this is not a real abstract but a template based from the real one. Transition metal and rare-earth oxides comprise many of the high dielectric constant (high-k) materials currently being investigated for application as gate dielectrics in highly scaled transistors. A common electronic feature of these materials is the presence of d-shell states, which leads to their structural properties being drastically different from those of the c ....etc

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to get information about the topic ultrasonic welding full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-ultrasonic-metal-welding?pid=33399&mode=threaded ....etc

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Abstract This paper presents an ultrasonic automatic braking system for forward collision avoidance with accelerator pedal disengagement mechanism. This system consists of ultrasonic sensors namely ultrasonic wave emitter and ultrasonic wave receiver. The ultrasonic wave emitter is provided in front portion of the car, producing and emitting ultrasonic waves in a predetermined distance in front of the car. Ultrasonic wave receiver is also provided in front portion of the car, receiving the reflected ultrasonic wave signal from the obstacle. Th ....etc

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microcontroller based ultrasonic distance meter
microcontroller based ultrasonic distance meter. ....etc

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