| The material was made by adding lanthanum to an existing catalyst, which led to a ninefold increase in catalytic activity. |
| Elements in this group are also known as the lanthanides after the first element in that group, lanthanum. |
| We see cerium, lanthanum, neodymium, and so forth, which indicate we are dealing with a rare-earth mineral, and that can mean big problems. |
| The relative difficulty in identifying certain elements has given birth to such names as lanthanum, krypton and dysprosium. |
| In contrast, the prolonged increase in cytosolic calcium was greatly enhanced in the presence of gadolinium or lanthanum chloride. |
| Samarium is a rare earth element, one of the elements that occupy the space in Row 6 of the periodic table between lanthanum and hafnium. |
