نتایج جستجو برای: magnetic surveys
تعداد نتایج: 417423 فیلتر نتایج به سال:
Past unexploded ordnance (UXO) clearance projects have demonstrated that the ability to detect UXO can be seriously hindered by the presence of magnetic rocks and soils. In particular, magnetic material affects the decay curve characteristics in electromagnetic surveys and this can adversely affect inversion calculations that try to estimate parameters of the UXO or answer the question of wheth...
We report on a 2 × 2 array of radio-frequency atomic magnetometers in a magnetic induction tomography configuration. Active detection, localization, and real-time tracking of conductive, nonmagnetic targets are demonstrated in air and saline water. Penetration in different media and detection are achieved thanks to the sensitivity and tunability of the sensors, and to the active nature of magne...
We present an homogeneous analysis of all DA stars labeled as magnetic in the Montreal White Dwarf Database (MWDD). Our sample is restricted to almost known white dwarf showing clear sign splitting ($B \gtrsim$ 1-2 MG) that have parallax measurements from second Gaia data release, photometric diverse surveys and spectroscopic SDSS or archival group. determine atmospheric parameters (effective t...
Background and Objectives: One of the data sources for monitoring the progress towards Sustainable Development Goals and Universal Health Coverage (UHC) is household surveys such as Multiple Indicator Cluster Survey (MICS) and Demographic and health Survey (DHS). This study was conducted to assess the implementation of these surveys in the Eastern Mediterranean Region (EMR) to evaluate the exp...
magnetic resonance imaging (mri) is a notable medical imaging technique that makes of phenomenon of nuclear magnetic resonance. because of the resolution and the technology being harmless, mri has considered as the most desirable imaging technique in clinical applications. the visual quality of mri plays an important role in accuracy of medical delineations that can be seriously degraded by exi...
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