![ACP - Synoptic meteorological modes of variability for fine particulate matter (PM2.5) air quality in major metropolitan regions of China ACP - Synoptic meteorological modes of variability for fine particulate matter (PM2.5) air quality in major metropolitan regions of China](https://acp.copernicus.org/articles/18/6733/2018/acp-18-6733-2018-f03.png)
ACP - Synoptic meteorological modes of variability for fine particulate matter (PM2.5) air quality in major metropolitan regions of China
![Tunable all-dielectric metasurface for phase modulation of the reflected and transmitted light via permittivity tuning of indium tin oxide Tunable all-dielectric metasurface for phase modulation of the reflected and transmitted light via permittivity tuning of indium tin oxide](https://www.degruyter.com/document/doi/10.1515/nanoph-2018-0176/asset/graphic/j_nanoph-2018-0176_fig_001.jpg)
Tunable all-dielectric metasurface for phase modulation of the reflected and transmitted light via permittivity tuning of indium tin oxide
![The Philips HeartStart XL manual-mode defibrillator is shown. Image... | Download Scientific Diagram The Philips HeartStart XL manual-mode defibrillator is shown. Image... | Download Scientific Diagram](https://www.researchgate.net/publication/326183449/figure/fig2/AS:864021922209794@1583010287962/The-Philips-HeartStart-XL-manual-mode-defibrillator-is-shown-Image-reproduced-with.jpg)