When you arrive at Tucson, Arizona’s Ventana Canyon Club and Lodge — whether for the first or the 100th time — you’ll immediately forget you’re only half an hour away from the heart of ...

The crystallinity of the catalysts was measured by powder X-ray diffraction (XRD) on a Bruker AXS D8 Discover diffractometer with monochromatic Cu–Kα radiation (1.5406 Å) from 5 to 50° 2θ.

Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan 450006, China ...