The cerium in the sample prepared by solvent-thermal method exists as Ce3+, and it mostly occupies position B of spinel.

溶剂热法制备的铁氧体样品中，铈离子以三价形式存在，因而主要占据尖晶石晶格的B位。

youdao

For many of these jobs it may be the case that without H1-B workers, the position does not exist at the prevailing wage.

FORBES: Misunderstanding the Benefits of High-Skilled Immigrants

In Buffett-land, the big headline this past week was the revelation that Berkshire Hathaway ( BRK.B) established a new position in the stock of John Deere ( DE).

FORBES: Connect

With teams carrying through points gained against the other side which qualified from their group, Victoria are already in charge of League B - which also contains Cape Cobras and Delhi Daredevils - and in pole position to reach the semi-finals.

BBC: McDonald steers Victoria to win