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排序方式: 共有478条查询结果,搜索用时 343 毫秒
471.
Aguilar CP Peruzzolo M Di Luccio M Dallago RM Filho Ido N 《Environmental monitoring and assessment》2006,116(1-3):103-110
The main purpose of this work was the preliminary qualitative study of organic compounds in wastewaters of swine slaughterhouses.
The samples were collected in a local abattoir and submitted to Liquid-Liquid Extraction (LLE) and Solid-phase Extraction
(SPE) with XAD-4TM resin as stationary phase. The instrumental analysis was performed by Gas Chromatography with Mass Spectrometer Detector
(GC/MSD). The compounds present in the LLE and SPE extracts were identified by the GC/MSD library (Wiley). The results pointed
out that SPE and LLE can extract practically the same classes of compounds at the same amounts. LLE works well for the extraction
of polar organic compounds, with acidified samples, while SPE presents a better performance for the extraction of less polar
organic compounds. Aldehydes were main class of the compounds extracted by SPE and LLE and decenal was the major aldehyde
identified. Fatty alcohols and carboxylic acids were also identified but in minor proportions. 相似文献
472.
Lake Vela, located in the Portuguese littoral-centre, is a temperate shallow lake exhibiting a high trophic status. This aquatic
ecosystem has been potentially exposed to contamination generated by agricultural and livestock activities held in their drainage
basin, which seriously compromise their health. This work summarizes some background information and presents the problem
formulation step of the ERA. Therefore, it evaluates the characteristics of the stressor(s), describes the ecological system
and receptors and suggests a conceptual model, which predicts the potential exposure pathways, relating suspected sources
to the defined endpoints. This introductory step also described an analysis plan on the entire study, which includes a delineation
of the assessment design, data needs, measures, and methods for conducting the analysis phase of the risk assessment process. 相似文献
473.
Costa Maria Angélica Martins da Silva Bruno Menezes de Almeida Sâmilla Gabriella Coelho Felizardo Marcos Paulo Costa Ana Flávia Martins Cardoso Arnaldo Alves Dussán Kelly Johana 《Environmental science and pollution research international》2023,30(4):8835-8852
Environmental Science and Pollution Research - Energy demand has increased worldwide, and biomass burning is one of the solutions most used by industries, especially in countries that have a great... 相似文献
474.
Raihan Asif Begum Rawshan Ara Nizam Mohd Said Mohd Pereira Joy Jacqueline 《Environmental and Ecological Statistics》2022,29(3):477-507
Environmental and Ecological Statistics - This study empirically investigates the nexus among energy use, agricultural land expansion, deforestation, and carbon dioxide (CO2) emissions in Malaysia.... 相似文献
475.
Jara Marcia Daniela Lazo Alvarez Luis Alberto Contreras Guimarães Marco C. C. Antunes Paulo Wagnner Pereira de Oliveira Jairo Pinto 《Environmental science and pollution research international》2022,29(31):46487-46508
Environmental Science and Pollution Research - Devices based on lateral flow assay (LFA) have been gaining more and more space in the detection market mainly due to their simplicity, speed, and low... 相似文献
476.
Mol Marcos Paulo Gomes Zolnikov Tara Rava Neves Arthur Couto dos Santos Giulia Roriz Tolentino Júlia Luiza Lopes de Vasconcelos Barros Raphael Tobias Heller Leo 《Environmental science and pollution research international》2022,29(28):42466-42475
Environmental Science and Pollution Research - There are increasing worldwide concerns about the negative impacts of healthcare waste generated in hospitals, especially in low- and middle-income... 相似文献
477.
Carvalho Thayane Ferreira Carvalho Aline Cristina Zanuncio José Cola de Oliveira Marcio Leles Romarco Machado Evandro Luiz Mendonça José Anderson Cleiton Santos José Barbosa Pereira Israel Marinho 《Environmental science and pollution research international》2022,29(10):14195-14205
Environmental Science and Pollution Research - Pteridium aquilinum (Dennstaedtiaceae) colonization affects ecological and restoration processes. The knowledge of the impacts on the ecological... 相似文献
478.
Lima Fernando Santos Scalize Paulo Sérgio Gabriel Ellen Flávia Moreira Gomes Raylane Pereira Gama Aline Rodrigues Demoliner Meriane Spilki Fernando Rosado Vieira José Daniel Gonçalves Carneiro Lilian Carla 《Food and environmental virology》2022,14(1):77-88
Food and Environmental Virology - Rural environments lack basic sanitation services. Facilities for obtaining water and disposing sewage are often under the initiative of each resident, who may not... 相似文献