mass concentration


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Related to mass concentration: molar concentration, molarity, Mass fraction

mass concentration

n.
A region in the crust of a celestial body, such as the moon or the earth, that has a higher gravitational acceleration than that of the rest of the body, indicating a greater density of mass. Also called mascon.
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"This is just to anticipate things, so that the demonstration or mass concentration does not develop into something anarchic," he said.
Students learned the principles of reproducing units of values ??at two primary standards: mass fraction and mass concentration of components in liquid and solid substances and materials (GET 176-2017), as well as specific adsorption of gases, specific surface, specific volume and pore size of solids and materials ( GET 210-214).
In this one month study we were assumed that size segregated pollutants have higher mass concentration on the basis of large anthropogenic activities and favorable meteorological condition (for the deposition of particles with high residence time, relative humidity and low temperature) to elevate mass concentration [14-16].
The airflow with an increased C[O.sub.2] and a decreased [O.sub.2] mass concentration passes through the leaves and changes the air composition.
Comparison of oxidative properties, light absorbance, and total and elemental mass concentration of ambient PM2.5 collected at 20 European sites.
After 4 hours and 24 hours, uncured and cured Tetric EvoFlow in mass concentration of 0.013 g/mL significantly decreased cell survival by inducing early apoptosis (p<0.05) (Figs.
In order to obtain more accurate prediction values of the carbonation depth, it is necessary to simulate the real diffusion process of C[O.sub.2] in concrete and establish the related mass transfer equation to obtain the value of C[O.sub.2] mass concentration in concrete.
According to the particle size distribution of the tailings and engineering experience, three groups of experiments were conducted to analyse each factor: concentrations of 56%, 62%, and 68% when the cement-sand ratio was 1:3 and cement-sand ratios of 1:3, 1:5, and 1:8 when the mass concentration was 56%.
The output signals are digital and have a form of mass concentration, mainly for [PM.sub.2.5] and [PM.sub.10] fractions.
The mass concentration of harmful particles exceeds the norm five times, and in some areas the excess is up to seven times.
The mass concentration in the southwest corner is the challenge,' says Professor Edward Huijbens of the Icelandic Tourism Research Centre.
Mass concentration of CuO nanoparticles varied from 0.5 wt% to 2.0 wt%.