Sentence examples for seam surface from inspiring English sources

Three kinds of technical drainage modes are described: protected seam surface well drainage in areas influenced by mining represented mainly in the Huainan mining area; gob surface well drainage most prominently in the Tiefa mining areas; and the multipurpose surface well drainage used in the Huaibei mining areas.

He has achieved just one score above 50 in 12 months – the 128 in the first Test of the home series with India – and the century board in the Trent Bridge pavilion underlines the ominous task of breaking that chain on a seaming surface such as this.

While all countries seek to prepare conditions to suit their playing strengths, the seaming surfaces of 2003 were a little too blatant and disappointed New Zealand fans who, though pleased to see their team win, had hoped to see a little more of India's brilliant batsmen.

During mining of lower protective coal seam, a surface borehole can efficiently extract not only the pressure-relieved gas from the protected layer, but also the gas from the mining layer gob.

Coal fires occur in underground natural coal seams, in exposed surface seams, and in coal storage or waste piles.

Surface disruption typically occurs in the form of caving collapse at steeply inclined coal seam outcrops, concentrated surface deformation and fracture zones, and water logging pits resulted from surface subsidence.

It is reasonable to project the two inflection points from the coal seam to the surface with the nadir angle since this angle signifies the line of the maximum influence on the ground surface caused by the underground extraction (Fig. 1).

Except the steeply inclined coal seam outcrops and surface deformation and fracture zones, the safety of all the other regions is well secured.

To solve this problem, a mathematical model for extracting pressure-relieved gas from a protected coal seam using a surface borehole was established, based on the radial gas flow theory and law of conservation of energy.

These holes were bored to maintain low gas concentrations at the upper corner of the working face and were emplaced into the roof fracture zone of the 11-2 coal seam while new surface wells were being drilled.

Enrichment and differentiation of a SEAM-derived ocular surface epithelium.