Sentence examples for concentration has changed from inspiring English sources

By unearthing similar particles of various ages, researchers may open a unique window on how our planet's atmosphere has evolved and may reveal how the solar system's dust concentration has changed.

Geophysical data, as well as theoretical models, have suggested that atmospheric O2 concentration has changed dramatically during certain metazoan periods and O2 changes have had a great impact on the fate and developmental characteristics of many animal species [22].

Climate and atmospheric CO2 concentration have changed significantly in the mountainous region of the Haihe River basin (in northern China) over the past five decades.

According to the authors, fine particle concentrations have changed little over the past 5 10 years, and the 2000 data are representative of long-term exposure.

"If teachers understand that depression can strike not just when someone is saying they're depressed, but also with someone who's concentration and motivation has changed, they might be able to help them".

The two implications express that ROS react faster than NADH: If the start level 1 of NADH has changed, ROS concentration has increased to at least 2. The inverse implication, however, is not valid.

But as cybercrime becomes more sophisticated and widespread, and our lives become increasingly connected, the nature of DDoS has changed: now any concentration of traffic on the network is susceptible, be it chat or VoIP networks, online gaming services or enterprise data centers.

Hence it is of interest whether the concentration response curve has changed over time as particle composition has changed.

Also, as serum albumin concentration may have changed over the study period, we have performed a sensitivity analysis using all values recorded in each patient during study period and albumin analysed as a time-dependent covariate in the Cox regression model.

Although exposure to these parabens (assessed by the urinary concentrations) may have changed, these two data sets are not directly comparable for establishing temporal exposure trends because of the small sample size and lack of national representativeness of the convenience sample.

As drilling depth might affect arsenic concentrations and might have changed over time, we collected data on the drilling depth and analyzed the correlation with the arsenic concentration in drinking-water using Spearman's correlation coefficient.