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Determination of BTEX by GC-MS in air of offset printing plants: Comparison between conventional and ecological inks
(2009-11-01)
The use of inks containing organic solvents by the offset printing process implies in the release of volatile organic compounds to the work environment. Many of these compounds such as benzene, toluene, ethylbenzene, and ...
Determination of BTEX by GC-MS in air of offset printing plants: Comparison between conventional and ecological inks
(2009-11-01)
The use of inks containing organic solvents by the offset printing process implies in the release of volatile organic compounds to the work environment. Many of these compounds such as benzene, toluene, ethylbenzene, and ...
Samambaia na área de Relevante Interesse Ecológico (ARIE) de Santa Helena, Paraná
(Universidade Tecnológica Federal do ParanáSanta HelenaBrasilLicenciatura em Ciências BiológicasUTFPR, 2021-08-10)
The presente work, entitled Ferns in the Area of Relevant Ecological Interest of Santa Helena (ARIE-SH), had as its maingoal to carry out a floristic survey in the cited conservation unit. The ARIE-SH is a ...
Florae costaricensis subtribui Pleurothallidinis (Orchidaceae) prodromus II. Systematics of the Pleurothallis cardiothallis and P. phyllocardia Groups, and Other Related Groups of Pleurothallis with Large Vegetative Habit
(2021)
We discuss a group of Pleurothallis species mostly characterized by plants relatively tall for the genus, with stems more than 20 cm long and fasciculate inflorescences produced above the leaf from a spathaceous, sometimes ...
Destintado de papel de impresión láser por medio magnético-mecánico
(Universidad Michoacana de San Nicolás de Hidalgo, 2010-10)
The realization of this work arises from the need to contribute to the sustainable development of the concepts that are widely related to this theme: the preservation of the environment and natural resources. The ecological ...
Os pigmentos naturais das Serras do Socorro e Archeira, e a sua utilização pela Associação Live With Earth.
(2021-05)
Durante 2017, fizémos uma incrível descoberta, de mais de 15 cores naturais do solo,
enquanto construíamos o mural em argila, com os Tierra Mosaico do Chile. Desde então,
integrante do ECO CAMPUS – Torres Vedras, a Live ...
Metodologias ativas no ensino de Ciências para formação de um sujeito ecológico
(Universidade Estadual Paulista (Unesp), 2020-03-04)
Nesta pesquisa analisamos a contribuição da utilização de metodologias ativas no ensino de ciências para a formação de um sujeito ecológico. Propusemos e desenvolvemos um total de 26 atividades, totalizando 78 aulas, sendo ...