Sentence examples for proportion of the elements from inspiring English sources

He worked with the physicist Enrico Fermi to calculate the proportion of the elements generated in the Big Bang, concluding that it was 25percentt helium to 75percentt hydrogen.

Cosmic rays produce a sizable proportion of the elements with mass numbers between 5 and 10; these elements are relatively rare.

In this work, we hold a proportion of the elements static, so that the simulated speckle images have both a dynamic and a static component.

Most minerals, however, occur as compounds consisting of two or more elements; their formulas are obtained from quantitative chemical analyses and indicate the relative proportions of the constituent elements.

Valence, which is the combining power of an element, determines the proportions of the elements in a compound.

But what does "proportions of the elements" mean?

The data, which were treated as semi-quantitative, were used just to estimate the relative proportions of the elements.

The NaSi Zintl phase is prepared from stoichiometric proportions of the elements mixed in a weld-sealed stainless steel tube.

The proportions of the elements in the reactor were adjusted in order to homogenize the UV irradiation on the catalyst surface.

It was soon to become apparent that the specification of the proportions of the elements in an organic compound was not sufficient to identify it or to give an adequate reflection of its properties.

With an eye to more recent chemistry, it is natural to think that the differing degrees of the primary qualities of warmth and humidity that characterize different substances arise from mixing different proportions of the elements.