نتایج جستجو برای: conductometric detector
تعداد نتایج: 59181 فیلتر نتایج به سال:
This paper presents, discusses, and compares the results of determination of tetrafluoroborate and chloride anions by isotachophoresis (ITP) and ion chromatography (IC) with conductometric detection. Tetrafluoroborate and chloride anions are the ones of the most important (and most often used) anions in the molecules of ionic liquids. The achieved limit of detection (10 μg L–1) was very satisfa...
Properties of propagation modes for a layered ZnO/XZ LiNbO3 surface acoustic wave sensor have been investigated both theoretically and experimentally. By calculating the effective permittivity function, it was shown that after the ZnO deposition two distinct propagation modes have been generated: a Rayleigh and a shear horizontal. A layer of InOx was deposited to provide a conductometric sensin...
One of the most important instruments in gamma ray spectroscopy is HPGe detector. Concept of virtual point detector was considered for Ge(Li) detector. On the basis of this concept, there is a point inside a Ge detector that can be regarded as a fictitious point detector hosting all the interactions. If there is really a point whose response can be considered similar to that of the whole real b...
In this paper the first example of using C-dots (CDs) as sensing nanomaterial for monitoring low concentrations NO2 in ambient air is reported. logic to support a green circular economy, CDs were prepared from natural cost precursor consisting olive solid waste (OSW) by simple pyrolysis process combined with chemical oxidation. Characterization data showed formation spherical dimensions narrow ...
The purpose of this study is to select the best place for the detector towards shield and the gamma source which have the least flux buildup factor of the photon. In this research, the flux buildup factor of gamma rays was calculated by using of MCNP-4C code for cylindrical sources 137Cs, 60Co, 16N coaxial shields made up of aluminum, iron and lead with a constant thickness 1.55 cm in detec...
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