Sentence examples for several unknown elements from inspiring English sources

In 1869 Mendeleyev published his periodic table, from which he predicted the existence and properties of several unknown elements, including one he called eka-aluminum.

Furthermore, the rapid evolution of repetitive DNA elements may lead to the origin of several unknown repetitive DNA elements.

In the letter Mr. Levine explained why the practical circumstances made it difficult to introduce unknown elements into the score.

However, several unknown factors remain to be further investigated.

We have also identified several unknown proteins.

"There's still an unknown element," General Manager Jim Duquette said.

There has to be an unknown element to be interesting".

where the δ m 's are unknown element parameters.

I think what that comes from is people are just nervous about bringing on an unknown element to their set.

Timing remains important, as do several other elements.

Several random elements bear mentioning for their contribution.