Abstract Subvolcanic hydrothermal systems can lead to eruptions as well unrest phenomena without an eruptive event. Historical and recent events, including ground inflation, demagnetization, a gradual decrease in the plume height, at Mt. Tokachidake, central Hokkaido, Japan, are related such subvolcanic system. This study investigates three-dimensional (3-D) resistivity structure of Tokachidake...

magnetotelluric (mt) method is a passive electromagnetic technique that uses the natural, time varying electric and magnetic field components measured at right angles at the surface of the earth to make inferences about the earth’s electrical structure which, in turn, can be related to the geology tectonics and subsurface conditions. reflection and refraction of electromagnetic (em) signals at ...

We present a hybrid-mixed finite element method for novel hybrid-dimensional model of single-phase Darcy flow in fractured porous media. In this model, the fracture is treated as an $(d-1)$-dimensional interface within $d$-dimensional domain, $d=2, 3$. Two classes are distinguished based on permeability magnitude ratio between and its surrounding medium: when (significantly) larger than medium,...

according to the temperature distribution of water injection well-bore in highly deviated wells under different conditions and unstable temperature field heat conduction principles, a true three-dimensional model was established to analyze the law of variation on temperature of highly deviated wells during the water injection process, and to analyze the factors that influence the water injectio...

Polymeric structures with integrated, functional microelectrical mechanical systems (MEMS) elements are increasingly important in various applications such as biomedical systems or wearable smart devices. These applications require highly flexible and elastic polymers with good conductivity, which can be embedded into a matrix that undergoes large deformations. Conductive polydimethylsiloxane (...

Pedogenesis and clay mineralogy of soils and rock samples were studied in a transect of calcareous, gypsiferous, saline soils and sediments of Bakhtegan lake bank in southern Iran. The main objectives of study were to determine the occurrence of clay minerals and factors controlling their distribution pattern and relative abundance in soils and parent materials. The soil parent material is high...