Sentence examples for higher extraction costs from inspiring English sources

On the supply side, production of gold has been relatively flat for the last five to seven years and does not appear to be turning around due to maturing mines and higher extraction costs.

But even high extraction costs can be economically viable because of the soaring value of fuel.

Royalties on production discriminate against ageing mines, with high extraction costs.

Leaf pectin can be used as a feedstock for galacturonic acid (GA) production, but high extraction costs limit economic feasibility.

However, difficulties arise during exploration and exploitation of these resources out of the heterogeneous spatial distribution and thus poor accessibility associated with high extraction costs.

Alternatively, high extraction costs and low crop revenues lead to the lowest payoffs, if Qatar selects a cooperative policy while Iran does not wish to cooperate.

However, due to their irregular spatial and temporal distribution exploration and exploitation is challenging and in consequence of the common deep underground location of the aquifer associated with high extraction costs.

Despite new discoveries, physical factors are making extraction costs higher and increasingly having an impact on local environments.

Constraints include saline shallow water tables and the prohibitively high installation and energetic extraction costs from deeper freshwater aquifers.

It is an advantageous technique due to shorter extraction time, higher extraction rate, less requirement of solvent and lower cost over traditional method of extraction of compounds (Delazar et al. 2012).

Right now, the removing expense of shale gas is higher when contrasted with the expenses of extraction of routine gas or coal; however, the up-and-coming upgrades in boring innovations could diminish the extraction costs (Alahmadi 2010).