Sentence examples for for dust control from inspiring English sources
Finally, selected method on different ventilation patterns for dust control was brought out for the heading face according to the gained regularity.
Results show that the spray velocity of suction nozzles has an important effect on the performance of the drill bit for dust control.
Therefore, it is believed that this study laid an important foundation for the widespread application of foam technology for dust control in underground coal mines.
In this paper, different lunar and Martian dust transport mechanisms are presented, followed by a review of previously developed dust mitigation technologies including fluidal, mechanical, electrical and passive self-cleaning methods for lunar/Martian installed surfaces along with filtration for dust control inside cabins.
Foam technology is more efficient than water sprays for dust control in coal mines, but the traditional foam system is complex and poses problems related to foam production and spraying application, with high water consumption, unstable equipment and relatively low utilization efficiency of foam.
Based on the modelling results, two possible solutions were proposed for dust control, one is modifying the ventilation system to dilute the respirable dust particles, and the other is using water mist dust droppers to suppress and capture the majority of the dust particles.
The research results is helpful for further understanding of the essence of dust movement with air flow, which could provide more suitable guidance for the principle of dust control and technology of ventilation.
This information is important for the efficient design and operation of dust control systems, as well as minimising the risk and severity of dust explosions.
In all analyses (including the bivariate analyses), we forced the inclusion of a variable for time point (6, 12, 18, 24 months) and a variable for the dust control intervention arm to account for any potential design effects of the embedded trial.
In order to improve the utilization rate of foam, an arc jet nozzle was designed for precise dust control.
On the basis of the results and on-site condition, a comprehensive system for respirable dust control at FMCF has been proposed.
