Mostrando 8,601 - 8,620 Resultados de 10,862 Para Buscar '"Heavy Metal"', tiempo de consulta: 0.35s Limitar resultados
  1. 8601
    “…Both alginate and brown seaweed biomass are well known for their potential use as adsorbents for heavy metals. Alginate was extracted from C. barbata recovered from the Romanian coast on the Black Sea with a yield of 19 ± 1.5% (w/w). …”
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  2. 8602
  3. 8603
    “…Abiotic stresses, such as temperature extremes, drought, salinity, and heavy metals are major factors limiting crop productivity and sustainability worldwide. …”
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  4. 8604
    “…Atomic absorption spectrophotometer and gas chromatography analysis revealed the presence of heavy metals, organochlorine and organophosphate pesticides in industrial wastewater. …”
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  5. 8605
    “…To summarize, it is a potential adsorption material for removing heavy metals from aqueous solutions in practical applications.…”
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  6. 8606
  7. 8607
    por Pigłowski, Marcin
    Publicado 2020
    “…The main problems were mycotoxins in nuts, pathogenic microorganisms in poultry meat and fish, pesticide residues in fruits and vegetables, and heavy metals in fish. The increase in the number of notifications has been observed since 2002/2003. …”
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  8. 8608
    “…Nevertheless, we discovered that the common features of the hormetic stimulation of shoot growth by heavy metals are an increase in the auxin and flavonol content and the maintenance of hydrogen peroxide at the same level as the control plants.…”
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  9. 8609
    “…Of particular relevance, aptamers have been selected and used to develop biosensors for environmental contaminants such as heavy metals, small-molecule agricultural toxins, and water-borne bacterial pathogens. …”
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  10. 8610
    “…This study has as objectives the advanced capitalization of fly ash, by sulphuric acid activation methods, and testing of synthesized materials for heavy metals removal. Based on the previous studies, the synthesis parameters were 1/3 s/L ratio, 80 °C temperature and 10% diluted sulphuric acid, which permitted the synthesis of an eco-friendly adsorbent. …”
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  11. 8611
    “…Char was obtained at different operating temperatures (300, 350, 400, and 450 °C), which underwent a characterization of heavy metals and elemental composition. An activation process was applied to the char obtained at 450 °C by means of physicochemical processes and with two chemical agents (KOH and K(2)CO(3)). …”
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  12. 8612
    “…A comparison of data obtained from Polish national parks in the 1970s and 1990s showed a significant decrease in the concentrations of heavy metals. In the linear covariability estimation, the t quantile approach was used for multi-element comparison. …”
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  13. 8613
    “…Research has shown that professional exposure to various polluting chemicals such as dyes, aliphatic and aromatic organic solvents, inhalable silica dust or certain heavy metals, can be triggering factors for this disease when they overlap a predisposing genetic profile. …”
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  14. 8614
    “…Terrestrial ecosystems are contaminated by heavy metals and organic chemicals that can be taken up by and accumulate in crop plants, and water tables are heavily contaminated by untreated industrial discharges. …”
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  15. 8615
    por Akdemir, Tolga, Dalgic, Goktug
    Publicado 2021
    “…This study was conducted on the marine sewage outfalls of the Turkish cities Rize (Black Sea) and Yalova (Sea of Marmara). Heavy metals, polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and organochlorine pesticides (OCPs) were investigated in the sediments for determine pollution degree. …”
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  16. 8616
    “…However, SS may contain heavy metals as well as pathogenic microorganisms. In this study, molecular analysis of partial 18S rRNA gene was used to study the impact of SS application into the soil on the genetic diversity of fungal communities, especially arbuscular mycorrhizal fungi in the rhizosphere and roots of barley. …”
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  17. 8617
    “…Finally, a summary of techniques for specific recovery of ammonia-nitrogen, phosphorus and removal of heavy metals for farm effluents is also presented.…”
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  18. 8618
    por Zunita, Megawati
    Publicado 2021
    “…Mercury (Hg) is one of heavy metals with the highest toxicity and negative impact on the biological functions of living organisms. …”
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  19. 8619
    “…Given the high consumption rate of fish and the hazards of heavy metals on humans' health, such research must be furthered.…”
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  20. 8620
    “…The aim of the study was to analyze all powdered infant formulas authorized and commercialized in Italy at the time of the study to measure the concentrations of 40 elements, and to estimate the infants’ intake of some toxic heavy metals for assessing possible related health risks. …”
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