Results 241 to 250 of about 1,414,094 (335)

The coal resources of the Philippine Islands [PDF]

, 1909
Warren D. Smith
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Experimental study of gas flow and coal deformation at different levels of axial/radial stress ratio. [PDF]

Sci Rep
Long H, Lin HF, Ma DM, Chen C, Li SG, Bai Y.   +5 more
europepmc   +1 more source

I.—On the Discovery of Coal-measures under New Red Sandstone, and on the so-called Permian Rocks of St. Helens, Lancashire [PDF]

, 1881
Aubrey Strahan
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Comparison and analysis of drilling gas flow based on continuous and dual media. [PDF]

Sci Rep
Yongjiang H, Jie H.
europepmc   +1 more source

Coal Measures of Ireland [PDF]

, 1871
G. H. Kinahan
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Mining-induced disaster mechanism and stress adjustment technology of deep buried weakly cemented overburden. [PDF]

Sci Rep
Yang S, Liu X, Tan Y, Fan D, Li X, Xu H.
europepmc   +1 more source

THE SAMPLING OF COAL AND CLASSIFICATION OF ANALYTICAL DATA. [PDF]

, 1906
A. Bement
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Study on Distribution Characteristics of Plastic Zone and Stress Field of Coal with Different Ranks by Liquid Nitrogen Phase Change Expansion Fracturing. [PDF]

ACS Omega
Cong Y, Huang L, Zhai C, Sun Y, Yu X, Xu J.   +5 more
europepmc   +1 more source

Researches upon brown coals and ignites. Part I.— Heat treatment at temperatures below 400° C. as a possible method for enhancing their fuel values [PDF]

, 1921
William Arthur Bone
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Enhancement mechanisms of coal permeability under water saturated conditions using liquid nitrogen freeze thaw cycles. [PDF]

Sci Rep
Qi X, Zhang Y, Hou S, Ning T, Lv Q.
europepmc   +1 more source