U.S. Naval Research Laboratory Chemistry Division scientists have developed a second generation, cost-effective polyetheretherketone (PEEK)-like phthalonitrile-resin demonstrating superior high temperature and flammability ...
Engineering
Apr 17, 2013
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0
Concrete, with its low cost, good compressive strength, and manufacturing convenience, is one of the most widely used materials in construction. However, with accelerating urbanization, natural aggregates for mixing with ...
Biotechnology
May 24, 2022
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15
Oxygenic photosynthetic organisms utilize energy from the sun to split water into protons, electrons and oxygen—products vital to life on earth. The process takes place through light-induced electron transfer reactions ...
Materials Science
Sep 21, 2012
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0
The disposal of sludge from sewage water treatment is a big issue for wastewater plants in Malaysia. While studies show that the volume of sludge is expected to rise, disposal options are limited due to stricter environmental ...
Engineering
Aug 27, 2015
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18
In São Paulo City, Brazil, the Tietê River is polluted by a vast amount of waste, mainly domestic sewage, but the farther it runs into the interior, the better the quality of its water becomes. It is much less murky at ...
Earth Sciences
Apr 30, 2019
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9
A comparison of three techniques to detect changes in mangrove forest areas suggests one gives more reliable results than the other two, and this finding will help researchers better understand growth and loss of this important ...
Environment
Jul 28, 2011
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0
The embedding of hydrophobic molecules in water looks quite different than previously assumed. In water, hydrophobic molecules are surrounded by a two different water populations: the inner shell forms a two-dimensional network ...
Analytical Chemistry
Jun 29, 2020
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110
Researchers from the Llobet group have developed a new molecular material made out of oligomers and used it as a catalyst in water oxidation, achieving unprecedented current densities for molecular catalysts. The paper "Water ...
Materials Science
Sep 28, 2020
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52
Laser-based absorption spectroscopy is an important method for determining the concentration of gas components in a sample. Modern devices are highly specialized for detecting very specific gases, such as trace gases in the ...
Optics & Photonics
Jan 9, 2024
0
35
(Phys.org) —Photosynthetic water oxidation is a fundamental process in the biosphere that results in the sunlight-driven formation of O2 from water. Biological photosynthesis encompasses a series of complicated processes ...
Materials Science
Apr 16, 2013
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