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Study on difference of outburst elimination effect between sub-layers of soft coal and hard coal under the condition of gas per-drainage q
Soft coal Hard coal Drainage gas of coal seam Effect of outburst elimination Difference
2012/3/28
The effect of drainage and outburst elimination are obviously different between soft and hard coal sub-layers under per-drainage of coal seam, and hence, the location of per-drainage borehole related ...
Hard coal modified with silanes as polyamide filler
modified with silanes polyamide filler
2010/8/12
In the recent years, higher and higher requirements concerning structural materials have focused our studies on developing new materials and especially on modification of the existing ones. Polymer st...
Electrical properties of polymeric gradient materials based on epoxy resin filled with hard coal
Electrical properties polymeric gradient materials epoxy resin hard coal
2010/8/11
Functionally Gradient Materials (FGMs) are not a quite new group of materials because these materials were known since many years and for the first time they were described in scientific
literature i...
Investigation of processing properties of polyamide filled with hard coal
Composites Working properties of materials and products Hard coal
2009/12/14
Purpose: The aim of this article is to present the influence of contents and kind of hard coal used as powder filler on rheological properties (viscosity) of polyamide 6.
Design/methodology/approach:...
Options of post-mine utilization of hard coal deposits
Options post-mine utilization hard coal deposits
2009/10/21
A number of countries abandoned mining with the upcoming substitution by readily available and cheap oil and gas. However, in recent years there are chances seen in utilizing the remaining coal resour...