Sentence examples for quantities of these elements from inspiring English sources

Stars contain the only known mechanism for producing large quantities of these elements and are therefore necessary for life.

Transuranic elements have radioactive lifetimes shorter than the current age of the Earth and thus identifiable quantities of these elements have long since decayed, with the exception of traces of plutonium-244 possibly deposited by cosmic dust.

Although this method was not optimal for quantitative analyses of these elements, using a standardized method enabled us to compare the relative quantities of these elements in the soils of the two forest types.

However, until Fred Hoyle applied his mind to the question it looked as though many of the intermediate steps might be too unstable to account for the quantities of those elements that are observed.

Transgenic technology has also produced farm animals that secrete in their milk, human lactoferrin, lysozyme, and lipase so as to simulate human milk in terms of quality and quantity of these elements that are protective to infants.

Therefore, adequate quantity of these elements can not be obtained from such drinking water tested in this study.

Although not graded due to the significant variability in the quantity of these elements, expression was usually stronger than that observed in normal tissues.

But, says Licht, copper is an essential nutrient for trees, whose roots and hummus can absorb large quantities of the element.

Discharge of technetium into the sea has resulted in some seafood containing minuscule quantities of this element.

Although small amounts of plutonium exist in nature, the best way to obtain large quantities of the element is in a nuclear reactor, in which natural uranium is bombarded by neutrons.

Because Se is also an essential micronutrient, small additional quantities of this element may have been transferred to eggs as an active constituent of important seleno-proteins.