Results 41 to 50 of about 16,113 (306)

Evaluation of Gravity Data Derived from Global Gravity Field Models Using Terrestrial Gravity Data in Enugu State, Nigeria

open access: yesJournal of Geodetic Science, 2018
Spherical harmonic expansion is a commonly applied mathematical representation of the earth’s gravity field. This representation is implied by the potential coeffcients determined by using elements/parameters of the field observed on the surface of the ...
Apeh O.I., Moka E.C., Uzodinma V.N.
doaj   +1 more source

Pemisahan Anomali Regional dan Residual Data Gayaberat Studi Kasus di Kota Lama Semarang

open access: yesPhysics Education Research Journal, 2019
Research has been carried out using gravity methods to identify subsurface structures in the region of Kota Lama Semarang as a preliminary survey for disaster mitigation purposes.
Supriyadi Supriyadi   +3 more
doaj   +1 more source

Sub‐Lithospheric Small‐Scale Convection Tomographically Imaged Beneath the Pacific Plate

open access: yesGeophysical Research Letters, 2022
Small‐scale convection beneath the oceanic plates has been invoked to explain off‐axis nonplume volcanism, departure from simple seafloor depth‐age relationships, and intraplate gravity lineations.
Zachary C. Eilon   +4 more
doaj   +1 more source

Anomalies of the Vertical Gradient of Gravity Associated with Anomalies of Gravity.

open access: yesJournal of Physics of the Earth, 1952
The gravity anomaly is necessarily associated with the anomaly of the vertical gradient of gravity. The relation between the two kinds of anomaly has been invest gated. The anomaly of the vertical gradient is sometimes too large to be neglected in the free air reduction of gravity.
openaire   +2 more sources

Three-dimensional joint inversion of traveltime and gravity data across the Chicxulub impact crater [PDF]

open access: yes, 2009
In 2005 an extensive new seismic refraction data set was acquired over the central part of the Chicxulub impact crater, allowing us to image its structure with much better resolution than before.
Morgan, J. V.   +8 more
core   +1 more source

Engineering Layered Magnetic Hydrogels for Cell Placement via Shear and Magnetic Field‐Induced Assembly

open access: yesAdvanced Materials, EarlyView.
Magnetic particles are organized into layered architectures by combining shear flow and magnetic fields, with the resulting structures governed by appropriate Mason numbers. The programmed assemblies provide spatial guidance for cell placement, linking field‐controlled self‐assembly, flow‐induced structuring and biological organization.
Guillermo Camacho   +5 more
wiley   +1 more source

Crustal structure of the spreading plate boundary in Iceland and the north Atlantic from gravity data [PDF]

open access: yes, 1994
Gravity datasets from two geothermal areas in Iceland, an Iceland-wide gravity dataset, and marine gravity data from the Reykjanes Ridge at 58˚N, which can be seen as the submarine extension of the Icelandic accretionary system, have been studied in this
Field, Paul R.
core  

Plasmon‐Induced Optothermal Manipulation of Colloidal Particles and Biological Entities Resilient to Saline Environments

open access: yesAdvanced Optical Materials, EarlyView.
The particle with high surface hydrophilicity exhibits strong thermophoretic attraction, as its dense hydration layer enhances the role of interfacial water molecules in determining thermophoretic mobility over other ionic effects. This finding elucidates the mechanism underlying the robust thermophoretic accumulation of Escherichia coli in high ...
Seungyeop Kang   +3 more
wiley   +1 more source

A Fast Method for Calculation of Marine Gravity Anomaly

open access: yesApplied Sciences, 2021
Gravity data have been playing an important role in marine exploration and research. However, obtaining gravity data over an extensive marine area is expensive and inefficient.
Yuan Fang   +5 more
doaj   +1 more source

Gait Analysis of Pak Biawak: A Necrobot Lizard Built using the Skeleton of an Asian Water Monitor (Varanus Salvator)

open access: yesAdvanced Robotics Research, EarlyView.
Pak Biawak, a necrobot, embodies an unusual fusion of biology and robotics. Designed to repurpose natural structures after death, it challenges conventional boundaries between nature and engineering. Its movements are precise yet unsettling, raising questions about sustainability, ethics, and the untapped potential of biointegrated machines.
Leo Foulds   +2 more
wiley   +1 more source

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