We present a fast method to monitor hydrogen sulfide (H2S) in ambient air based on a visible color change.Therefore, an immobilized copper(II) borla touring exhaust ram 1500 complex of the azo dye 1-(2-pyridylazo)-2-naphtol (H-PAN) was synthesized and prepared in a matrix utopia hoodie brown for screen printing.Different materials, reaching from op
Research Introduction:The role of distance learning is growing day by day due to its many advantages, especially in situations of urgent need such as the days that accompany the writing of this research and in which humanity faces a danger represented by the spread of the covid 19 virus, which requires the student and the teacher to be present in t
Faced with difficulties in the chemical control of Boophilus microplus, this work intended to observe the principal predator of engorged females in pastures of the grass Brachiaria decumbens, at Juiz de Fora, MG, Brazil.A total of 300 engorged female whole wheat phyllo dough were used, between six experimental repetitions during the winter of 1998