Results 101 to 110 of about 333,470 (211)

Absolute Abundance and Relative Scarcity: Announced Policy, Resource Extraction, and Carbon Emissions [PDF]

open access: yes
We study the effectiveness of climate change policy in a model with multiple non-renewable resources that differ in their carbon content. We find that, when allowing some time between announcement and implementation of a cap on carbon dioxide emissions ...
Sjak Smulders   +2 more
core  

Investigation of solvent-extraction options for zinc recovery from high chloride solutions for the Anglo Research Zinc process

open access: yes, 2010
Includes bibliographical references (leaves 63-65).Anglo Research (AR), a division of Anglo Operations Limited, is developing a chloride-based processing route for the recovery of zinc from sulfide ores.
Gangazhe, Takalani
core  

Determination of Polycyclic Aromatic Hydrocarbons in Soil by Miniaturized Ultrasonic Extraction and Gas Chromatography-Mass Selective Detection

open access: yes, 2009
A miniaturized ultrasonic extraction procedure was developed for the determination of polycyclic aromatic hydrocarbons (PAHs) in soil by gas chromatography-mass spectrometry.
Ali Tor, Senar Ozcan, Mehmet Emin Aydin
core  

SUPERCRITICAL CARBON DIOXIDE EXTRACTION OF ANDROGRAPHOLIDE FROM ANDROGRAPHIS PANICULATA LEAVES USING METHANOL AS COSOLVENT [PDF]

open access: yes, 2006
The optimisation and design of any separation processes, such as the extraction of bio molecules from their natural resources require mathematical modelling.
Kumoro, A.C., Hasan, M.
core  

Low-Yield Genesis of Coalbed Methane Stripper Wells in China and Key Technologies for Increasing Gas Production

open access: yesACS Omega, 2022
Xianbo Su   +4 more
doaj   +1 more source

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