Sentence examples for concentrations of quartz from inspiring English sources

Overall, viability was about one order of magnitude higher than with comparable concentrations of quartz.

High concentrations of quartz, one of the most common minerals found at Earth's surface, may cause weak spots in the crust that determine where mountain ranges form and continents rift apart, a new study suggests.

Besides explaining ongoing deformations, high concentrations of quartz may help explain why Earth's crust has apparently ripped apart at the same seams time after time, as supercontinents collided and then split again, while other regions have remained relatively unscathed, the researchers add.

A geological study reported that the coal collected from Laibin district, an area with high lung cancer mortality rate in Xuanwei, has unusual high concentration of quartz (13.5 wt%), of which 35 55 % occurs as <10 μm, and silica-volatile interaction is correlated with lung cancer mortality in Xuanwei (p = 0.661, p = 0.091).

The density of quartz itself is 2.65 g/cm3.

Here the effect of quartz concentration is examined in moist-climate soils from a pilot dataset of the North American Soil Geochemical Landscapes Project.

Concentrations of cosmogenic 10Be, measured in quartz from chert and river sediment around the Cradle of Humankind (CoH), are used to determine basin-averaged erosion rates and estimate incision rates for local river valleys.

The rate of silane pyrolysis was measured over the temperature ranging from 823K to 973K and over a relatively wide range of monosilane and hydrogen concentrations in quartz tube reactors with and without seed silicon particles.

Quartz and sanidine phenocrysts coexist; therefore, we can check the viability of sanidine through direct comparison with nuclide concentrations in quartz.

The deposition rates were controlled with a quartz crystal monitor, and the doping concentrations of the emitters were optimized.

Other properties are those of quartz.