Sentence examples for rate of coal from inspiring English sources
At the current rate of coal leasing, the inspector general found, every penny-a-ton undervaluation costs taxpayers $3 million.
It also called for a raising of the rate of coal royalties, which are low in Victoria compared with other states.
By 2030, the rate of coal consumption could be 70percentt higher or 50percentt lower than it is now, the study found.
In order to improve the recovery rate of coal, some mines have begun to recover the residual protective pillars in the form of short wall faces.
The variation of feed rate of coal and its size distribution through different outlet ports were quantified through two terms, the coal split ratio and the variation index.
Various methods have been used to measure the steam gasification rate of coal and biomass char at temperatures up to 1000 °C.
Improving the load adjustment rate of coal-fired power plants in China is very important because of grid load fluctuations and the construction of new large-scale power plants connected to the country׳s power grid.
"Improving the average efficiency rate of coal-fired power plants from 33percentto40percentcent by using the advanced high efficiency, low emissions technology that exists could cut U.S. coal-plant emissions by up to 21percentt," said Ashley Burke, a spokeswoman for the trade association.
Coal mills play an important role in the overall dynamic response of coal fired power plants and there is significant potential to improve the load ramp rates of coal fired power plants through improvements of coal mill control strategies.
Polarization curves reveal that redox catalysts, such as Fe3+, K3Fe CN 6, KBr and V2O5, bridge the coal particles and the solid electrode surface, thus increasing the rates of coal oxidation.
It is concluded that the surfactant AN can reduce the water blocking damage rates of coal reservoirs; and the hydraulic fracturing fluid mixed with 1.5% KCl and 0.05% AN reduces the effect of water blocking damage on the coal permeability.
