Mostrando 1,121 - 1,140 Resultados de 23,634 Para Buscar '"ambiental"', tiempo de consulta: 0.26s Limitar resultados
  1. 1121
  2. 1122
    “…Upon treatment with phenyl dichlorophosphate (PhOP=OCl(2)) in acetonitrile at ambient temperature, a variety of ketoximes underwent a Beckmann rearrangement in an effective manner to afford the corresponding amides in moderate to high yields.…”
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  3. 1123
    por Li, Fei, Li, Deyu, Yan, Fei
    Publicado 2018
    “…Our results showed that the first harmonic, subharmonic, and ultraharmonic amplitudes of microbubbles were reduced by 6.6 dB, 10.9 dB, and 9.3 dB at 0.225 mechanical index (MI), 4.6 dB, 19.8 dB, and 12.3 dB at 0.25 MI, and 18.5 dB, 17.6 dB, and 12.6 dB at 0.3 MI, respectively, when the ambient pressure increased from 0 to 180 mmHg. Our finding revealed that a moderate MI (0.25–0.4) exciting microbubbles could significantly improve their sensitivities to detect ambient pressure.…”
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  4. 1124
    “…Ambient noise can affect the availability of acoustic information to animals, altering both foraging and vigilance behaviour. …”
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  5. 1125
    por Shin, Dongha, Hwang, Jonggeun, Jhe, Wonho
    Publicado 2019
    “…Here, we demonstrate that the water nanomeniscus exhibits the stable, ice-VII-like molecular structure in ambient condition. Surface-enhanced Raman spectroscopy on trace amounts of water, confined in inter-nanoparticle gaps, shows a narrowed tetrahedral peak at 3340 cm(-1) in the OH-stretching band as well as a lattice-vibrational mode at 230 cm(-1). …”
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  6. 1126
  7. 1127
  8. 1128
    “…Our results therefore suggest that soil microbial respiration adapts to the ambient thermal regime in global drylands.…”
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  9. 1129
    “…Ambient assisted living (AAL) environments are currently a key focus of interest as an option to assist and monitor disabled and elderly people. …”
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  10. 1130
  11. 1131
    “…BACKGROUND: The exposure to extreme ambient temperatures has been reported to increase mortality, although less is known about its impact on morbidity. …”
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  12. 1132
  13. 1133
    “…The RCS of foundry sand concrete after one month of air cooling at ambient temperature after exposing to 300 °C, 400 °C, 500 °C, 600 °C, 700 °C, and 800 °C was found to be in the range of 67.50% to 71.00%, 57.50% to 61.50%, 49.00% to 51.50%, 38% to 41%, 31% to 35% and 26% to 31.5% of unheated compressive strength values for 0% to 40% replacement of WFS, respectively. …”
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  14. 1134
    “…At the same time, studies on the spatial and temporal variability of ambient sound, and how it is affected by biotic, abiotic and anthropogenic factors are lacking. …”
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  15. 1135
    “…Ambient intelligence is a new paradigm in the Internet of Things (IoT) world that brings smartness to living environments to make them more sensitive; adaptive; and personalized to human needs. …”
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  16. 1136
    “…Desorption atmospheric pressure photoionization (DAPPI) is an ambient mass spectrometry (MS) technique that allows the analysis of both polar and nonpolar compounds directly from the surfaces of various sample types. …”
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  17. 1137
  18. 1138
    “…Here, we evaluated the potential association between ambient temperature and human sperm quality in Wuhan, China, and examined the interactive effect of particulate matter (PM(2.5)) and temperature. …”
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  19. 1139
    por Li, Chenchao, Lin, Dongdong, Zhao, Wenhui
    Publicado 2020
    “…Herein, we report molecular dynamics simulation results of dewetting of water droplet in hydrophobic nanocavities between graphene walls under the influence of electric field. At ambient temperature, the rate of dewetting induced by electric field is significantly large. …”
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  20. 1140
    por Vecchione, N, Lorusso, L, Viggiano, A
    Publicado 2020
    “…In this experiment, the pain threshold was evaluated in twenty-seven volunteers after listening to one out of three different soundtracks: white noise, Mozart’s sonata K448 or Brian Eno’s ambient music. Compared to staying in silence, listening to the recordings had no significant effect on pain threshold, and the results did not show any significant difference between the experimental groups. …”
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