نتایج جستجو برای: polarity index
تعداد نتایج: 420779 فیلتر نتایج به سال:
This study presents the first assessment of a newly developed polarity retrieval scheme augmenting a Very Low Frequency (VLF) long-range lightning detection network (named ZEUS). The polarity scheme uses the Extremely Low Frequency (ELF) in conjunction with the VLF waveform. The measured ELF signal is compared with simulated ELF signal to extract the polarity sign. This comparison also produces...
the purpose of this study was to analyze selected wolaita proverbs for their reflection of prejudiced negative images of femininity. the subjects used for the current study were 20 theme-relevant proverbs collected by interviewing systematically selected 12 elders and conducting participant-based observation. the qualitative research design was used to conduct this study. the result indicated t...
Cycle stratigraphic and magnetostratigraphic analyses of a -5000-m-thick composite section obtained by scientific oring in the Newark rift basin of eastern North America provide a high-resolution astronomically calibrated geomagnetic polarity timescale (GPTS) spanning over 30 m.y. of the Late Triassic and earliest Jurassic. Only normal polarity is found in -1000 m of interbedded volcanics and c...
Cycle stratigraphic and magnetostratigraphic analyses of a -5000-m-thick composite section obtained by scientific coring in the Newark rift basin of eastern North America provide a high-resolution astronomically calibrated geomagnetic polarity timescale (GPTS) spanning over 30 m.y. of the Late Triassic and earliest Jurassic. Only normal polarity is found in -1000 m of interbedded volcanics and ...
The use of magnetic nanoparticles (MNPs) in real-world applications is often limited by the lack of stable solutions of monodisperse NPs in appropriate solvents. We report a facile one-pot ligand exchange reaction that is fast, efficient, and thorough for the synthesis of hydrophilic MNPs that are readily dispersed in polar organic and protic solvents (polarity index = 3.9-7.2) including alcoho...
When the PDD (percentage depth dose) in the megavoltage beams is measured in the water phantom using the dosimetry system, the polarity and ion recombination effects of ionization chambers with depth in water are not usually taken into consideration. The polarity and ion recombination effects may vary depending on the radiation type and spectrum, which vary with depth in water [1-4]. If those e...
Determining polarity of words is an important task in sentiment analysis with applications in several areas such as text categorization and review analysis. In this paper, we propose a multilingual approach for word polarity detection. We construct a word relatedness graph by using the relations in WordNet of a given language. We extend the graph by connecting the WordNets of different language...
A linear molecular dyad was synthesised comprising a pyrene-thiophene energy donor linked via a triazole unit to a borondipyrromethene (Bodipy) energy acceptor. The donor to acceptor separation distance is around 20 Å. Emission from the donor originates from a mixed π-π* and partial charge-transfer state and overlaps favourably with the absorption profile for the acceptor. The level of spectral...
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