President Donald Trump has ordered major military operations, particularly against Iran, without obtaining a formal declaration of war from Congress .

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. (THE CONVERSATION) Across the U.S., hundreds of sites on land or in lakes and rivers are heavily ...

The aim of this research was to separate a mixture of six post-consumer plastics (PS, PMMA, PVC-D, PVC-M, PET-D and PET-S) by combination of sink-float separation and froth flotation.. In sink-float ...

MINNEAPOLIS — A report by the Minneapolis City Auditor found that the city did not violate its separation ordinance during a federal operation on June 3 near Lake Street and Bloomington Avenue in ...

The phase separation of lipid bilayers, composed of mixtures of saturated and unsaturated lipids and cholesterol, is a topic of fundamental importance in membrane biophysics and cell biology. The ...

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Abstract: A new method for the blind separation of linear image mixtures is presented in this paper. Such mixtures often occur, when, for example, we photograph a scene through a semireflecting medium ...

When high performance liquid chromatography (HPLC) users are confronted with questions about how to improve upon the performance of an existing or recently developed method, there are many ...

Abstract: Electrostatic separation is able to process mixtures of plastics from waste electrical and electronic equipment. The efficiency of the electrostatic separation depends on the electric charge ...

1 Department of Materials, University of Manchester, Manchester, United Kingdom 2 International Centre for Advanced Materials (ICAM), University of Manchester, Manchester, United Kingdom Oil/water ...