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Climate modifications are more and more visible nowadays. Many specialists consider human activities one of the most probable sources of this situation. Other aspects to consider are the magnitude and period in which these will produce effects. It is important to create educational premises for the young generation to limit, if not eliminate, all the possible harmful actions on the environment. The aim of the study was established considering these aspects. It is useful to determine the youth's knowledge regarding...

The efficiency of bioscouring treatment applied on 50 % of flax + 50 % of cotton material by determination of the residual Ca2+ was studied. The treated samples were analyzed using a spectrophotometric method based on the measuring of the colour strength [K/S] of the bioscoured material after dyeing with Ruthenium red and Alizarin. The reflectance (R %) at 540 nm was measured and [K/S] values were calculated [1, 2]. The purpose of bioscouring was the removal of morphological impurities present in the cotton and fl...