Reprocessing aluminium takes a fraction of the energy needed to extract the metal from its ore4.
It has also been criticised for the amount of water needed to extract it.
Besides instrumental analysis tools, various data-analysis tools are needed to extract this relevant information.
Usually expensive detergents are needed to extract the target protein from the membrane.
Therefore, methodology, called data mining, is often needed to extract every possible information from the data.
Its management has ample experience in the deepwater drilling that's needed to extract energy from these parts.
'Significant coverage' addresses the topic directly and in detail, so that no original research is needed to extract the content.
To perform FEA, an effective constitutive law is needed to extract the behavior of material in each integration point.
Much of the report's focus is on the concept of Energy Return on Energy Invested (EROEI), which measures the amount of energy needed to extract resources.
The greater energy needed to extract oil from the sands results in three times more greenhouse gas emissions than producing a barrel of conventional oil.
Twenty-two mislion dollars is what Chilean President Sebastián Piñera bet on the resources and manpower needed to extract thirty-three miners from their living tomb.
