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Mostra internacional revela preocupação de jovens cientistas com o futuro do planeta

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International sample discloses concern of young scientists with the future of the planet
Automatically translated into English thanks to WorldLingo
The ambient question was in the center of the attention of the young scientists of the average education and technician that had participated of International Mostra of Sciences and Technology (Mostratec), that it finished in day 1 of November in Novo Hamburg (RS). Of the 220 projects presented in the fair, 50 of them were enrolled in the environment area.

Works of other areas also became related to the ambient concern. For example, students Everton Hörlle, Michel Rocha and Enrique Kolling, of the Technological Center of the Senai Leather, of the city of Old Ranch (RS), with enrolled project in the area of Chemistry, had studied an alternative for reuse it of kitchen oil. By means of chemical treatment, they had obtained to transform the soy oil into oil to shine leathers.

Already the pupils Luciana Canova and Maila Cardoso, of the Liberato Foundation, Novo Hamburg (RS), had developed a process of recycling of CDs and DVDs. It read the notice on apprehension of medias pirates and always was thinking which age the destination of this garbage? , Luciana commented. Our objective one was to reaproveitar the policarbonato, a type of plastic, gift in these medias? , Maila explained.

According to students, after bibliographical research and experiments, had arrived at an efficient and viable process of recycling of the policarbonato. First, we carry through cleanness for spurt of microsphere in the CDs. Removed the dye of the media, the plastic one passes for milling and drying. After that, we take particles for an injection machine. In this process, the plastic is melted and injected in molds used in the industry? , it described Luciana. The young had still tested the quality of the recycled raw material and the results had been positive. The next part to the research is to carry through the study of the costs of this large-scale process.

Also worried about the ambient impact the students Gustavo Link, Giácomo Bonorino and Lucas Piffer, of Fundação Liberato (RS), they had searched the amount of the pollution caused for the consuming of the brake tablets. We consult an article of the Institute Fraunhofer, of Germany, that argued the danger of the release has covered it, zinc and lead (component of the brakes) to the environment. These metals heavy still have accumulating effect in the human body? , Lucas explained.

The study it raised the emission of these pollutants only in Novo Hamburg (RS). Another clipping was esteem pollution of vehicle of strolls. The statistical calculations of the young scientists had shown that about four a thousand tons of metals heavy they had been emitted to the environment. With these results, we want to justify our future research. The objective now is to consider improvements in the composition of the brake tablets? , it affirmed Lucas.

The Chilean students Dylan Jeremy Noriega Duran and Daniela Patrícia Pizarro Pumarino, of the D-65 School Priest Gustavo Le Paige, had created a solar oven. In our city, Antofogasta, the climate is desert-like and the high temperature. Considering these two factors, we made a research statistics and we discover a total unfamiliarity of as to use the solar energy? , Dylan explained on the sprouting of the idea.

For the construction of the solar oven, the pupils had used wooden box, paper aluminum, mirror and glass. In accordance with the students, the food must be placed in the interior of the box and to remain per one 20 minutes. The light enters for the glass plate for decorative. The aluminum, the mirror and the black painting help to absorb and to spread out the heat. It is a proposal to think more about the use of the solar energy in our daily one? , it concludes Dylan.

Awareness and action

the sisters Cassanti, Ana Claude and Ana Clara, and Philip Fernandes, of the College Dante Alighieri (SP), had presented in the Mostratec the work carried through in the program Ambassadors of the Climate. Carried through for the British Council, international organization of the United kingdom for Education and cultural relations, the program offers to training the students on the climatic changes to be multiplying of the subject.

We believe to be important the knowledge on the problematic one of the global heating for all. We spread the pupils of our school what we learn in the lectures and also we consider they action? , Ana explained Claude.

One of these activities was to plant dumb of trees with students of the proper college and Public Ensino. At the moment, the sisters are creating a done bag of bottles PET to be placed in the stands of supermarket. The proposal is to acquire knowledge the people for substitution of plastic bags for PETs bag? , Ana Clara commented.

Source: Apprentice

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