8% found it "very difficult", 29% said it was "rather difficult", 36% gave a medium ranking ("some comparisons more difficult than others"), 18% thought it was "not very difficult" and 8% claimed they had "no problems at all" in completing the DCE.
2% assessed the ratings as "very difficult", 26% said it was "rather difficult", 43% gave a medium ranking ("some comparisons more difficult than others"), 24% thought it was "not very difficult" and 5% claimed they had "no problems at all" in completing the DCE.
"I can't believe he ended his career as a medium-rank sergeant with an alcohol problem," Issa replied.
As expected, BD coal (a low-rank coal) showed a higher reactivity than the Genesee sub-bituminous (a medium-rank coal) samples.
Their father is a former offi cial of medium rank and, according to his wife, was never a Communist.
For example, although PLS ranked consistently near the bottom in the internal validation, it showed a steady decrease in accuracy rank in the external validation as more pathways are added to the classifiers, yielding a medium average rank of 3.3.
Third, Mean CORGs achieved a medium accuracy rank in both validations.
Zhundong lignite, possessing medium rank among the three coal samples, exhibits the highest formation ability of ultrafine PM0.2, indicating a prominent effect of mineral content over that of coal rank on PM formation.
Thermogenic gas, which is generated during the thermal evolution of medium rank coal, is the main source of coalbed methane (CBM).
Zhang et al. simulated the absolute adsorption and excess adsorption capacity of medium rank coal to CO2, CH4, and C2H6 gas using molecular dynamics, and provided a theoretical support for improving coalbed methane recovery using CO2 injection.
