![The effect of a variable focal spot size on the contrast channels retrieved in edge-illumination X-ray phase contrast imaging | Scientific Reports The effect of a variable focal spot size on the contrast channels retrieved in edge-illumination X-ray phase contrast imaging | Scientific Reports](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41598-022-07376-0/MediaObjects/41598_2022_7376_Fig1_HTML.png)
The effect of a variable focal spot size on the contrast channels retrieved in edge-illumination X-ray phase contrast imaging | Scientific Reports
Reduced health services at under-electrified primary healthcare facilities: Evidence from India | PLOS ONE
![Stata demo: Moderated multiple regression with continuous focal X and moderator W variables - YouTube Stata demo: Moderated multiple regression with continuous focal X and moderator W variables - YouTube](https://i.ytimg.com/vi/H3draVeVwqw/sddefault.jpg)
Stata demo: Moderated multiple regression with continuous focal X and moderator W variables - YouTube
![Spatial and temporal characteristics of spontaneous parametric down-conversion with varying focal planes of interacting beams | The European Physical Journal D Spatial and temporal characteristics of spontaneous parametric down-conversion with varying focal planes of interacting beams | The European Physical Journal D](https://media.springernature.com/lw685/springer-static/image/art%3A10.1140%2Fepjd%2Fs10053-023-00754-x/MediaObjects/10053_2023_754_Figa_HTML.png)
Spatial and temporal characteristics of spontaneous parametric down-conversion with varying focal planes of interacting beams | The European Physical Journal D
Error: variable 'v.focal' was fitted with type "nmatrix.1" but type "numeric" was supplied · Issue #65 · hmsc-r/HMSC · GitHub
![Optical phase conjugation assisted scattering lens: variable focusing and 3D patterning | Scientific Reports Optical phase conjugation assisted scattering lens: variable focusing and 3D patterning | Scientific Reports](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fsrep23494/MediaObjects/41598_2016_Article_BFsrep23494_Fig1_HTML.jpg)
Optical phase conjugation assisted scattering lens: variable focusing and 3D patterning | Scientific Reports
![Lente Con Distancia Focal Variable Para Cámaras Digitales Fotos, retratos, imágenes y fotografía de archivo libres de derecho. Image 33413565 Lente Con Distancia Focal Variable Para Cámaras Digitales Fotos, retratos, imágenes y fotografía de archivo libres de derecho. Image 33413565](https://previews.123rf.com/images/woldee/woldee1411/woldee141100112/33413565-lente-con-distancia-focal-variable-para-c%C3%A1maras-digitales.jpg)
Lente Con Distancia Focal Variable Para Cámaras Digitales Fotos, retratos, imágenes y fotografía de archivo libres de derecho. Image 33413565
![Depth-of-field extension through focal plane oscillation and variable annular pupil | Semantic Scholar Depth-of-field extension through focal plane oscillation and variable annular pupil | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/4e1609930270deebb2ddad620f1ee264ed5a457b/2-Figure2-1.png)