Polyamides are present in many different products, such as ropes for mountaineering, parachutes of nylon, and materials for 3D printing. Dicarboxylic acids are used as chemical building blocks for these polyamides. However, ...
Polymers
Aug 28, 2023
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28
Aerosol particles can form and grow in Earth's upper troposphere in an unexpected way, reports the CLOUD collaboration in a paper published today in Nature. The new mechanism may represent a major source of cloud and ice ...
Earth Sciences
May 18, 2022
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25
Protons (H+) and hydronium ions (H3O+) in free aqueous solutions seem to migrate faster than other ions due to the the Grotthuss-mechanism. Individual protons do not really migrate at all. Instead, bonds of the hydronium ...
Nanophysics
Sep 8, 2021
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139
Ocean acidification, rising temperatures, eutrophication and loss of oxygen: Life in the oceans has to cope with a variety of factors. How will plants and animals react when global climate change alters their environment? ...
Environment
Aug 9, 2016
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58
The rise and fall of acid rain is a global experiment whose results are preserved in the geologic record.
Environment
Apr 11, 2014
29
0
A cost analysis of the technologies needed to transport materials into the stratosphere to reduce the amount of sunlight hitting Earth and therefore reduce the effects of global climate change has shown that they are both ...
Earth Sciences
Aug 31, 2012
9
0
(PhysOrg.com) -- Plants need water to grow, but every hobby gardener knows that you shouldn’t carry this to excess either. During waterlogging or flooding, plants can’t take up enough oxygen that they urgently need ...
Cell & Microbiology
Oct 24, 2011
0
0
A discovery by former Carnegie Mellon Ph.D. student, Mingyi Wang, leading a large collaborative team, sheds light on one way new particles are forming in the upper troposphere. The study, published in Nature, reveals an unexpected ...
Materials Science
May 18, 2022
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6
Prolonged exposure to high carbon dioxide (acidified) seawater may corrode tooth-like scales (denticles) covering the skin of puffadder shysharks, a study in Scientific Reports suggests. As ocean CO2 concentrations increase ...
Ecology
Dec 19, 2019
0
5
New particle formation in the atmosphere provides the nucleation centres required for the formation of clouds, making it an important process for understanding climate. Efforts to investigate the complex balance of chemistry ...
Earth Sciences
Oct 29, 2018
0
7
