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Search results for rheological

Earth Sciences Apr 14, 2020

Is the Earth's inner core oscillating and translating anomalously?

A theoretical mineral physics approach based on the ab initio methods was adopted to determine the viscosity of hexagonal, close-packed iron at the extreme pressures and temperatures corresponding to the Earth's inner core. ...

Polymers Mar 9, 2020

Additive manufacturing of cellulose-based materials with continuous, multidirectional stiffness gradients

Functionally graded materials (FGM) allow diverse applications in multidisciplinary fields from biomedicine to architecture. However, their fabrication can be tedious relative to gradient continuity, interfacial bending and ...

Earth Sciences Mar 2, 2020

Quantum mechanical simulations of Earth's lower mantle minerals

The theoretical mineral physics group of Ehime University led by Dr. Taku Tsuchiya has developed high-precision computational techniques for studying Earth and planetary materials based on quantum mechanical theory and reported ...

Polymers Nov 15, 2019

Stretchable, self-healing and semiconducting polymer films for electronic skin (e-skin)

Next-generation polymers developed in the lab must become stretchable and self-healing to form novel skin-like sensory devices to meet the demands of futuristic electronic skin applications. Although researchers have made ...

Soft Matter Nov 8, 2019

Century-old food testing method updated to include complex fluid dynamics

The texture of food, including properties that determine how consumers experience biting and swallowing, is an important part of development of more enjoyable foods. In order to completely understand these properties, better ...

Materials Science Oct 3, 2019

Combustion behavior of aromatics may provide keys to enhancing heavy oil extraction

The problem of petroleum depletion becomes more and pertinent every day. As deficits arise, non-traditional and heavy oils, including bitumen and shales, emerge as the focus of extensive research. Globally, they account for ...

Biotechnology Sep 17, 2019

Bioengineering organ-specific tissues with high cellular density and embedded vascular channels

Bioengineers study the development of organ-specific tissues in the lab for therapeutic applications. However, the process is highly challenging, since it requires the fabrication and maintenance of dense cellular constructs ...

Materials Science Aug 27, 2019

Skin creams aren't what we thought they were

Anyone who has gone through the stress and discomfort of raw, irritated skin knows the relief that comes with slathering on a creamy lotion. Topical creams generally contain a few standard ingredients, but manufacturers know ...

Earth Sciences Aug 19, 2019

Research shows why there's a 'sweet spot' depth for underground magma chambers

A new study reveals why the magma chambers that feed recurrent and often explosive volcanic eruptions tend to reside in a very narrow depth range within the Earth's crust. The findings, published in Nature Geoscience, could ...

Earth Sciences Aug 19, 2019

Circulation of water in deep Earth's interior

Phase H is a hydrous mineral that is considered to be an important carrier of water into deep Earth. We determined the dissociation condition of phase H by a theoretical calculation based on quantum mechanics. Phase H decomposes ...

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