Two restaurants in Philadelphia were cited for health code violations, including pest infestation and improper storage of ...

Learn about the Tintina fault, which has been stirring for thousands of years and may hit the Yukon Territory with a major ...

The quaternary structure stability of proteins is typically studied under conditions that accelerate their aggregation/unfolding processes on convenient laboratory time scales. Such conditions include ...

A major fault in Canada’s Yukon Territory, long thought dormant, has shown signs of recent seismic activity. A new study from ...

Without much thought, Americans have built up potent arsenals in their homes worthy of a chemical weapons treaty. I’m talking, of course, about your cleaning cabinet. When I investigated mine ...

This study explores the removal of the anionic surfactant sodium dodecylbenzenesulfonate (SDBS) from aqueous solution using paper fibers functionalized with quaternary ammonium groups. The paper ...

Quaternary International is the official journal of the International Union for Quaternary Research. The objectives are to publish a high quality scientific journal under the auspices of the ...

The concept of quaternary prevention defined as an action taken to protect persons from medical interventions that are likely to cause more harm than good, might be a tool that to some extent can help ...

The mostly Mediterranean climate of Iran is governed by the pressure systems of the Siberian High, the Westerly depressions and the SW Monsoon. In the past, the locations and intensities of these ...

Over the last four decades, organic-walled dinoflagellate cysts have shown high potential as tracers of past sea-surface conditions during the Quaternary. Th ...

This paper analyzes the performance of a quaternary logic circuit and its components. The multi-valued logic design consisting of two drivers and a transistor matrix is simulated using Mentor Graphic ...