Results 21 to 30 of about 1,299,134 (268)

Coil Combination of Multichannel Single Voxel Magnetic Resonance Spectroscopy with Repeatedly Sampled In Vivo Data

Molecules, 2021
Magnetic resonance spectroscopy (MRS), as a noninvasive method for molecular structure determination and metabolite detection, has grown into a significant tool in clinical applications.
Wanqi Hu, Huiting Liu, Dicheng Chen, Tianyu Qiu, Hongwei Sun, Chunyan Xiong, Jianzhong Lin, Di Guo, Hao Chen, Xiaobo Qu   +9 more
doaj   +1 more source

Edge Detectors as Structural Imaging Tools Using Aeromagnetic Data: A Case Study of Sohag Area, Egypt

Geosciences, 2019
The present study was designed to give a clear and comprehensive understanding of the structural situation in the Sohag region and surrounding area by applying several edge detectors to aeromagnetic data.
Ismael M. Ibraheem, Menna Haggag, Bülent Tezkan   +2 more
doaj   +1 more source

Classification of brain tumours in MR images using deep spatiospatial models

Scientific Reports, 2022
A brain tumour is a mass or cluster of abnormal cells in the brain, which has the possibility of becoming life-threatening because of its ability to invade neighbouring tissues and also form metastases.
Soumick Chatterjee, Faraz Ahmed Nizamani, Andreas Nürnberger, Oliver Speck   +3 more
doaj   +1 more source

Inverse Modeling Using Taylor Expansion Approach and Jacobi Matrix on Magnetic Data (Dyke/Magma Intrusion Cases)

Scientific Journal of Informatics, 2019
The mathematical modelling of geological structures, i.e. magma intrusion or dyke, has been done,  based on magnetic data with inversion techniques using MatLab.
Agus Suprianto, Wahyudi Wahyudi, Wiwit Suryanto, Ari Setiawan, Aryono Adhi, Nurul Priyantari, Supriyadi Supriyadi, Agus Subekti   +7 more
doaj   +1 more source

Geometry of the magma chamber beneath Damavand volcano (N Iran) from a joint study of gravity and magnetic data [PDF]

International Journal of Mining and Geo-Engineering
Imaging the intra-sediment magma chamber in the Damavand region, northern Iran, is beyond the resolution of the local seismic observations. Gravity anomalies can precisely image the lateral extension of magma reservoir.
Vahid Ebrahim Zadeh Ardestani, Naeim Mousavi, Mohammad Tatar   +2 more
doaj   +1 more source

Modeling brain connectivity dynamics in functional magnetic resonance imaging via particle filtering

Brain Informatics, 2021
Interest in the studying of functional connections in the brain has grown considerably in the last decades, as many studies have pointed out that alterations in the interaction among brain areas can play a role as markers of neurological diseases.
Pierfrancesco Ambrosi, Mauro Costagli, Ercan E. Kuruoğlu, Laura Biagi, Guido Buonincontri, Michela Tosetti   +5 more
doaj   +1 more source

Geotectonic Controls on CO₂ Formation and Distribution Processes in the Brazilian Pre-Salt Basins

Geosciences, 2019
Exploratory work for hydrocarbons along the southeastern Brazilian Margin discovered high concentrations of CO2 in several fields, setting scientific challenges to understand these accumulations.
Luiz Gamboa, André Ferraz, Rui Baptista, Eugênio V. Santos Neto   +3 more
doaj   +1 more source

Entropic Regularization to Assist a Geologist in Producing a Geologic Map

Entropy, 2011
The gravity and magnetic data measured on the Earth’s surface or above it (collected from an aircraft flying at low altitude) can be used to assist in geologic mapping by estimating the spatial density and magnetization distributions, respectively ...
Francisco S. Oliveira, João B.C. Silva, Valeria C.F. Barbosa, Suzan S. Vasconcelos   +3 more
doaj   +1 more source

Serum metabolic signatures of schizophrenia patients complicated with hepatitis B virus infection: A 1H NMR-based metabolomics study

Frontiers in Psychiatry, 2022
IntroductionSchizophrenia (SZ) is a severe chronic mental disorder with increased risk of hepatitis B virus (HBV) infection, which is incurable currently and induces various negative emotions and psychological pressures in patients to exacerbate mental ...
Caigui Lin, Caigui Lin, Qing Hu, Jiyang Dong, Zhiliang Wei, Jie Li, Zhong Chen   +6 more
doaj   +1 more source

An Optimized Detection Approach to Subsurface Coalfield Spontaneous Combustion Areas Using Airborne Magnetic Data

Remote Sensing
It is of great significance to clarify the ranges and states of subsurface coalfield spontaneous combustion areas for coal mining and disaster management.
Qingfa Meng, Guoqing Ma, Lili Li, Jingyu Li   +3 more
doaj   +1 more source