recognition of coffee using differential electronic nose ....etc

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abstract of coffee analysis with an electonic nose ....etc

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ELECTRONIC Noses (EN), in the broadest meaning, are instruments that analyze gaseous mixtures for discriminating between different (but similar) mixtures and, in the case of simple mixtures, quantify the concentration of the constituents. ENs consists of a sampling system (for a reproducible collection of the mixture), an array of chemical sensors, Electronic circuitry and data analysis software. Chemical sensors, which are the heart of the system, can be divided into three categories according to the type of sensitive material used: inorganic ....etc

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ABSTRACT

Here I would like to present the Pico-1 Electronic Nose (EN) based on thin film semiconductor sensors and an application to the analysis of two groups of seven coffees each. Cups of coffee were also analyzed by two panels of trained judges who assessed quantitative descriptors and a global index (called Hedonic Index, HI) characterizing the sensorial appeal of the coffee. Two tasks are performed by Pico-1. First, for each group, we Analysis performed the classification of the se ....etc

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The electronics field is developing at a fast rate. Each day the industry is coming with new technology and products. The electronic components play a major role in all fields of life. The scientists had started to mimic the biological world. The development of artificial neural network (ANN), in which the nervous system is electronically implemented is one among them.

The scientists realized the importance of the detection and identification of odor in many fields. In human body it is achieved with the help of one of the sense organ, the n ....etc

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Onboard the space station, astronauts are surrounded by ammonia. It flows through pipes, carrying heat generated inside the station (by people and electronics) outside to space. Ammonia helps keep the station habitable.

But it's also a poison. And if it leaks, the astronauts will need to know quickly. Ammonia becomes dangerous at a concentration of a few parts per million (ppm). Humans, though, can't sense it until it reaches about 50 ppm.

http://science.nasa.gov/headlines/y2004/images/enose/mike1.jpg

http://science.na ....etc

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TO; [email protected]
i need it. it is very important for me ....etc

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1. INTRODUCTION
ELECTRONIC Noses (EN), in the broadest meaning, are instruments that
analyze gaseous mixtures for discriminating between different (but similar) mixtures and, in
the case of simple mixtures, quantify the concentration of the constituents. ENs consists of a
sampling system (for a reproducible collection of the mixture), an array of chemical sensors,
Electronic circuitry and data analysis software. Chemical sensors, which are the heart of the
system, can be divided into three categories according to the ty ....etc

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ELECTRONIC NOSE
ABSTRACT
The perception of volatile compounds by the human nose is of great importance in evaluating the quality of foods. Therefore, it is not surprising that repeated efforts have been made over the years to introduce instruments operating on a similar principle as the human nose: the electronic nose is an instrument that encloses the human sensitivity to the objectivity of the instrumental response and supplies results similar to the human nose and in short time.
An electronic nose is an instrument wh ....etc

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I am a student of biotechnology, i want to constuct the electronic nose for disease diagnosis so please give the imformation regarding to this topic and its construction. please send me all imformation on my email id.

my email id is [email protected] ....etc

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