application for vehicle anti collision using ultrasonic signals from wiki pedia

INTRODUCTION

The basic principle used in this device is the property of ultrasonic and waves of getting reflected when medium density charges. The ultrasonic and sound waves having a frequency range from 40 kHz are generated by an Astable Multivibrator, having 50% duty cycle. The waves generated are amplified and transmitted through a transmitting Transducer with the help of a driver stage.

The waves travel ahead and are reflected back when they strike a movin ....etc

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Hello,
My name is Peace. I am a student in my final year in one of the tertiary institutions in nigeria. I would like an information on my project topic Analysis of bituminous materials for use in highway construction. i have started with the introduction i.e definitions, chemical compositions and uses of bitumen. I would be very grateful if this request of mine is granted.
Thanks.

Yours Faithfully,
Peace. ....etc

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How does high melting point of Bituminous material is suitable for road construction ....etc

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i want abstract and related ppt on reflection cracking of bituminous over lay and its control so please try to send me at [email protected] urgent so sir please help me. ....etc

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seminar report on utilisation of waste plastic in bituminous mixes for road construction

ABSTRACT
Solid waste management is the thrust area. Of this various waste materials, plastic waste and municipal solid waste are of great concern. On the other side, the road traffic is increasing. The traffic intensity is increasing. The load bearing capacities of the road are to be increased. Our present work is helping to take care of both these aspects. Plastic waste, consisting of carry bags, cups and Thermocoles can be used as a coating over
aggregat ....etc

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Use of Waste Rubber Tyres in Construction of
Bituminous Road An Overview

The use of four wheeler, two wheeler vehicles etc. is increasing day by day. As a result amount of waste tyres also increasing.
Waste tyres in India are categorized as solid or hazardous waste. It is estimated that about 60 per cent of waste tyres are
disposed via unknown routes in the urban as well as rural areas. This leads to various environmental problems which include
air pollution associated with open burning of tyres (particulates, odor, visual impacts, and ....etc

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Intelligent design (ID) is the pseudoscientific view that certain features of the universe and of living things are best explained by an intelligent cause, not an undirected process such as natural selection.Educators, philosophers, and the scientific community have demonstrated that ID is a religious argument, a form of creationism which lacks empirical support and offers no testable or tenable hypotheses.Proponents argue that it is an evidence-based scientific theory about life's origins that challenges the methodological naturalism inher ....etc

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