Sentence examples similar to concentration drills from inspiring English sources

But some experts say a concentration drill using a book or a puzzle may be as effective in modifying behavior as a similar drill run by a fancy, expensive machine.

The effect of the coolant׳s type and concentration on drilling torque and drilling efficiency were also investigated.

The results show that increasing the solute concentration of drilling fluid reduces the pore pressure but increases the radial and tangential effective stress.

Senator Bob Casey, Democrat of Pennsylvania, emphasized that continued testing was essential because river levels are high now but the concentration of drilling waste contaminants could increase sharply during periods of drought.

These gains have come about through a combination of improved well and hydraulic fracturing design, and a greater concentration of drilling activity in higher quality acreage, the so called "sweets spots".

Few existing studies are available for toxic pollutant concentrations in drilling wastewater; thus, for the present analysis it is assumed that chemicals in drilling wastewater have minimal direct water quality pollution impacts.

Some concentrations of drilling chemicals stimulated the growth rate of Nitrobacter as exposure time increased.

This paper presents the radial basis function network (RBFN) method for prediction of cuttings concentration in underbalanced drilling condition to avoid the high cost experimental and field measurements.

Pressure and concentration diffusion during drilling continuously change the ionic composition of pore fluids and, accordingly, the engineering properties of those fine-grained argillaceous materials.

The single-riveted method produced the weakest joint due to the stress concentration on the drilled hole, while adding a secondary rivet in the same overlapped area created strong joints due to the load transfer among the two rivets.

Despite the Gulf of Mexico's dense concentration of offshore drilling rigs -- responsible for about 30 percent of the country's domestic oil production -- the panel found evidence that Coast Guard personnel in the region had "not reviewed or commented" on any industry-created oil spill response plan in the recent past.