Results 1 to 10 of about 1,005,131 (240)

Phylogenetic structure of aquatic plant assemblages in a climate sequence [PDF]

Rodriguésia, 2022
Floristic studies of aquatic plants and flora associated with aquatic ecosystems carried out in the Neotropical region have demonstrated the predominance and co-occurrence of the same plant families under different climatic conditions.
Hermes de Oliveira Machado-Filho, Ênio Wocyli Dantas, Clístenes Williams Araújo do Nascimento   +2 more
doaj   +1 more source

Regarding One Efficient Method of Disseminating Information for Chemistry Teaching (One Example of Environmental Chemistry)

Orbital: The Electronic Journal of Chemistry, 2021
The article deals with methods of chemistry teaching and disseminating chemical information and focuses on the use of art. In particular, the paper describes the method of linking theatre and chemistry and widespread dissemination of chemical information.
Ketevan Kupatadze
doaj   +1 more source

Assesment of heavy metals concentration in initial soils of post-mining landscapes in Kryvyi Rih District (Ukraine)

Ekológia (Bratislava), 2022
Assessment of heavy metals content in the initial soils of the post-mining landscapes plays an important role in pollution control, ecological protection, and safe-guarding human health.
Savosko Vasyl M., Bielyk Yuliia V., Lykholat Yuriy V., Heilmeier Hermann   +3 more
doaj   +1 more source

Collaborative Environmental Science Courses: Bridging between Undergraduate Research into Energy Issues in Malaysia and the United  States

The ASIANetwork Exchange: A Journal for Asian Studies in the Liberal Arts, 2021
With support from the EnviroLab Asia initiative at the Claremont Colleges, I redeveloped my Environmental Chemistry course for undergraduates to focus on environmental issues in Asia.
Kathleen Purvis-Roberts
doaj   +2 more sources

Monitoramento atmosférico passivo de SO2, NO2 e O3 em áreas urbanas e de influência industrial como prática de química ambiental para alunos de graduação Atmospheric passive monitoring of SO2, NO2 and O3 in urban areas and in those under industrial influence as an environmental chemistry experiment for undergraduate students

Química Nova, 2006
This study is a result of undergraduate student participation in the Environmental Chemistry discipline provided by the Chemistry Institute/UFBA. The students were involved in the development of passive samplers, a project of the LAQUAM (Environmental ...
Vânia P. Campos, Lícia P. S. Cruz, Eagles M. Alves, Tatiane de S. Santos, Adriano D. Silva, Ana C. C. dos Santos, Angelo M. V. Lima, Carine S. Paixão, Daniele C. M. B. Santos, Denise S. Brandão, Elisângela J. S. Andrade, José I. Moreira Jr., Karla C. S. Conceição, Márcia de S. Ramos, Maria C. G. Pontes, Misael F. do Amaral, Rosiene R. Mattos   +16 more
doaj   +1 more source

Assembly and Curation of Lists of Per- and Polyfluoroalkyl Substances (PFAS) to Support Environmental Science Research

Frontiers in Environmental Science, 2022
Per- and polyfluoroalkyl substances (PFAS) are a class of man-made chemicals of global concern for many health and regulatory agencies due to their widespread use and persistence in the environment (in soil, air, and water), bioaccumulation, and toxicity.
Antony J. Williams, Linda G. T. Gaines, Christopher M. Grulke, Charles N. Lowe, Gabriel F. B. Sinclair, Vicente Samano, Inthirany Thillainadarajah, Bryan Meyer, Grace Patlewicz, Ann M. Richard   +9 more
doaj   +1 more source

Hormônios sexuais estrógenos: contaminantes bioativos Sexual estrogenic hormones: bioactive contaminants

Química Nova, 2006
Natural and synthetic estrogens have been detected in rivers, lakes and estuaries in several parts of the world. The primary sources of these compounds are the industrial and household effluents, which are not eliminated by the received treatment.
Ricardo Wagner Reis Filho, Juliana Coutinho de Araújo, Eny Maria Vieira   +2 more
doaj   +1 more source

Ferro zero: uma nova abordagem para o tratamento de águas contaminadas com compostos orgânicos poluentes Zero-valent iron: a new approach for treatment of waters contamined with organic pollutants

Química Nova, 2005
Anthropogenic pollution of groundwater and surface water has become a very serious environmental problem around the world. A wide range of toxic pollutants is recalcitrant to the conventional treatment methods, thus there is much interest in the ...
Wellington S. Pereira, Renato S. Freire
doaj   +1 more source

Start-up and steady-state conditions of an Anaerobic Hybrid Reactor (AHR) using mini-filters composed with two types of support medium operating under low loading rates

Brazilian Archives of Biology and Technology, 2011
The present work aimed at studying the operational parameters of an Anaerobic Hybrid Reactor (AHR) removing organic matter of coffee wastewater with low concentration.
Vivian Galdino da Silva, Cláudio Milton Montenegro Campos, Erlon Lopes Pereira, Júlia Ferreira da Silva   +3 more
doaj   +1 more source

Métodos emergentes para aumentar a eficiência do ozônio no tratamento de águas contaminadas New methods for enhancing ozone efficiency on contaminated water treatment

Química Nova, 2007
Many industrial processes produce effluents with a wide variety of xenobiotic organic pollutants, which cannot be efficiently degraded by conventional biological treatments.
Amira Mahmoud, Renato S. Freire
doaj   +1 more source