Results 61 to 70 of about 461,365 (301)

Heavy-ion Fractionation in the Impulsive Solar Energetic Particle Event of 2002 August 20: Elements, Isotopes, and Inferred Charge States [PDF]

open access: yes, 2010
Measurements of heavy-ion elemental and isotopic composition in the energy range ~12-60 MeV nucleon^(–1) are reported from the Advanced Composition Explorer/Solar Isotope Spectrometer (ACE/SIS) instrument for the solar energetic particle (SEP) event of ...
Cohen, C. M. S.   +6 more
core  

Fine and ultrafine particle number and size measurements from industrial combustion processes : primary emissions field data [PDF]

open access: yes, 2020
This study is to our knowledge the first to present the results of on-line measurements of residual nanoparticle numbers downstream of the flue gas treatment systems of a wide variety of medium- and large-scale industrial installations.
Blondeau, J.   +9 more
core   +2 more sources

Influence of Sample Preparation and Processing Procedures on the Thermal Diffusivity of MgO‐C Refractories

open access: yesAdvanced Engineering Materials, EarlyView.
The thermal diffusivity of MgO‐C refractories is highly sensitive to sample preparation and processing procedures. In this article, the effects of coking sequence, machining conditions, structural inhomogeneity, and graphite coating application on measurements using laser flash apparatus are systematically investigated.
Luyao Pan   +4 more
wiley   +1 more source

The Analysis of Elemental Composition and Depth Profiles of Nitride Nanostructured Coating Based on the TiHfVNbZr High-entropy Alloy [PDF]

open access: yesЖурнал нано- та електронної фізики, 2014
The elemental and structural features of the nitride nanostructured coating produced by vacuum arc evaporation from high-entropy cathode TiHfVNbZr were studied.
A.A. Bagdasaryan   +4 more
doaj  

FEATURES OF ELEMENTAL COMPOSITION IN SCHOOLCHILD WITH ASCARIASIS

open access: yesДетские инфекции (Москва), 2018
Objective: to study the features of elemental composition in schoolchildren with ascariasis and to compare the revealed features with clinical manifestations of invasion.Materials and methods: 43 children (7 — 18 years) with ascariasis (diagnostics was ...
I. A. Lokhmatova
doaj   +1 more source

Meaurement of Cosmic Ray elemental composition from the CAKE balloon experiment

open access: yes, 2009
CAKE (Cosmic Abundances below Knee Energies) was a prototype balloon experiment for the determination of the charge spectra and of abundances of the primary cosmic-rays (CR) with Z$>$10.
Adams   +35 more
core   +1 more source

Mesolithic Human Bones from the Upper Volga Basin: Radiocarbon and Trace Elements [PDF]

open access: yes, 2009
Human bones from 3 Mesolithic sites in the Upper Volga basin were analyzed for trace elements, and dated by accelerator mass spectrometry (AMS). The radiocarbon dates of the bones correspond to the Mesolithic era.
Alexandrovskaya, E.I.,   +3 more
core   +4 more sources

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar   +2 more
wiley   +1 more source

X-ray Fluorescence Techniques in Determining the Habitat Preferences of Species—Ulva pilifera (Ulvales, Chlorophyta) from Montenegro Case Study

open access: yesMolecules, 2020
The paper presents four new sites where bright green Ulva thalli were found inhabiting freshwater (a river, a ditch, the Milet Canal) and marine (on the rocky shore of the Adriatic Sea) habitats in Montenegro.
Joanna Czerwik-Marcinkowska   +4 more
doaj   +1 more source

Cryptoendolith communities in Antarctic dry valley region sandstones: Potential analogues of Martian life-forms [PDF]

open access: yes, 2003
We are studying cryptoendolith-bearing Antarctic sandstones, to determine if the microbes alter the elemental composition of the rocks. If there is an effect, then it might be a tracer for the presence of micro-organisms in martian surface ...
Blackhurst, R. L.   +3 more
core  

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