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  1. 3921
    “…Aerogels have been successfully used for environmental applications to eliminate toxic and harmful substances—such as metal ions or organic dyes—contained in wastewater, and pollutants—including aromatic or oxygenated volatile organic compounds (VOCs)—contained in the air. This updated review on the use of different aerogels—for instance, graphene oxide-, cellulose-, chitosan-, and silica-based aerogels—provides information on their various applications in removing pollutants, the results obtained, and potential future developments.…”
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  2. 3922
    “…It was found that aerosols from speaking suspended in stagnant air for up to 9 h with a half-life of 87.2 min. …”
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  3. 3923
    por Yu, Yixiong
    Publicado 2021
    “…The selection of optimal search effort for air-sea integrated search has become the most concerned issue for maritime search and rescue (MSAR) departments. …”
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  4. 3924
  5. 3925
    por Raza, Ali, Ali, Zulfiqar
    Publicado 2021
    “…The average concentrations of measured air quality variables for all working sites were found to exceed the World Health Organization (WHO) and National Ambient Air Quality Standard (NAAQS) guidelines. …”
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  6. 3926
    “…While the establishment of an air quality health index (AQHI) in some countries yielded positive outcomes in communicating health risks of air pollution, China lagged behind in developing its own AQHI. …”
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  7. 3927
    por Masseran, Nurulkamal
    Publicado 2021
    “…This study proposes the concept of duration (D) and severity (S) measures, which were derived from unhealthy air pollution events. In parallel with that, the application of a copula model is proposed to evaluate unhealthy air pollution events with respect to their duration and severity characteristics. …”
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  8. 3928
    “…This paper provides a starting point for the development of an air taxi service at Cologne Bonn Airport. Further research is needed in key issues such as the financial aspects of an air taxi service, its integration into the current operating scenario of the Cologne Bonn Airport and the approval process for an air taxi service and the vertiport itself.…”
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  9. 3929
    “…Air pollution is one of the main global environmental problems, where bryophytes, due to their high capacity to retain metals and other pollutants, have been widely used in active air quality monitoring studies in temperate and tropical zones. …”
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  10. 3930
    “…The mini-slump, spreading diameter, yield stress, and strength of 3DPC were evaluated. Additionally, the air-void content, air-void morphology, and air-void size distribution of mortar with and without 0.05% AFA were assessed through image analysis. …”
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  11. 3931
    “…This paper studies the vulnerability of the worldwide air transportation network (WATN) during a global catastrophe such as COVID-19. …”
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  12. 3932
    “…Pneumothorax and persistent air leak are documented complications of severe acute respiratory syndrome coronavirus 2 infection. …”
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  13. 3933
    “…However, many arboreal animals do not possess these specializations but still control posture and orientation in mid-air. One of the largest inertial segments in lizards is their tail. …”
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  14. 3934
    “…To determine the effect of nanoclays and trapped air on the formation of rigid polyurethane foams, three different production procedures were used. …”
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  15. 3935
    “…We present a middle-aged man who lost consciousness during an air flight for 30 minutes, without any respiratory symptoms. …”
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  16. 3936
    “…We use a 49-cm-long 10 Fr thin suction catheter, positioned in the lower-third of the esophagus and connected to an air-filled disposable blood pressure transducer bound to the monitor and pressurized by an air-filled infusion bag. …”
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  17. 3937
    “…Urban air pollution and exposure-related health impacts are being noticed and discussed very intensely in India. …”
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  18. 3938
    “…Two types of air purifiers (API and APII) mainly equipped with High-Efficiency Particulate Air (HEPA) filters that differed in other specifications were employed in general indoor air and the presence of an external source (candles and incense). …”
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  19. 3939
    “…The patient had persistent air leak as observed on the ventilator graphics. …”
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  20. 3940
    “…This solid fuel combustion causes indoor air pollution (IAP) and severely impairs health and the environment, especially in developing countries like Pakistan. …”
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