Sentences with phrase «produced dramatic decreases»

Not exact matches

Faculty members protected by tenure kept their jobs, but mathematicians who had not yet attained it found themselves facing sharply heightened competition, which produced an «unprecedented 12 percent unemployment rate for new American mathematics PhDs» and «a dramatic decrease in the probability of obtaining a position in research universities,» the article says.

Dramatic shifts in population result in decreased production of short chain fatty acids (energy produced for colon cells by commensal bacteria), greater risk for intestinal pathogen infection, and increased recovery time.

Consequently with the dramatic decrease in efficiency of fuel burn in the standby fossil fuel generators there is sweet FA practical reduction in CO2 emissions with the introduction of wind and solar power generation systems particularly when the energy costs of the producing and building the so called renewable energy systems are added to the grossly inefficient running of the ready to go to full generation capacity in minutes, fossil fuel powered standby generators which in many cases must be kept running at low or zero power generation to be able to come on line in minutes when the so called renewable energy systems fail to produce power,

«Bias might be introduced in cases where the spatial coverage is not uniform (e.g., of the 24 original chronologies with data back to 1500, half are concentrated in eastern Siberia) but this can be reduced by prior averaging of the chronologies into regional series (as was done in the previous section)... Eight different methods have been used... They produce very similar results for the post-1700 period... They exhibit fairly dramatic differences, however, in the magnitude of multidecadal variability prior to 1700... highlighting the sensitivity of the reconstruction to the methodology used, once the number of regions with data, and the reliability of each regional reconstruction, begin to decrease.