Sentence examples for dust concentration limit from inspiring English sources

To reduce the miners' exposure to respirable dust, MSHA sets a dust standard to reduce the overall dust concentration limit from 2.0 to 1.5 mg/m3 in the coal mine atmosphere during a working shift.

To achieve dust concentration with emission limit of 0.4 g/Nm3, the removal efficiency should be above 91%.

Additionally, the dust cloud concentration changes the flame velocity characteristic at low oxygen levels and higher dust concentration is more limited the flame acceleration.

Further, the respirable dust concentration reduced below occupational exposure limit (OEL) of the API after the installation of engineering control.

Therefore, dust concentration is universally used as standard limit, although information of dust load is useful to track dust volume that has been released to the environment within a certain period of time, regardless of the size of a mill.

Secondly, contrary to premixed gas flame propagation, the propagation of flames in dust/air mixtures is not limited only to the flammable dust concentration range of dynamic clouds.

In this work, known amounts of selected carbon black nanopowders were mixed with methane near the lower-flammability-limit (LFL) to form hybrid mixtures of variable dust concentration.

Additionally, many lenders have a concentration limit.

Re: RXD lower concentration limit?

Topic: RXD lower concentration limit?

The total dust concentration was 0.69 ± 0.19 mg/m3, and in two stables, the dust concentration exceeded 1.0 mg/m3.