Results 51 to 60 of about 22,003 (164)

Study on the Analysis of Uranium-in Rat Hair by Secondary Ion Mass Spectrometry

open access: yesJournal of Isotopes, 2021
Hair samples, as a non-invasive biological material, it is gradually gaining attention in the fields of nuclear forensics, environmental monitoring, occupational exposure detection, and medicine due to its certain accumulation effect on human trace ...
HU Ruixuan;SHEN Yan;LI Lili;HUANG Shenghui;ZHAO Lifei;ZHAO Yonggang
doaj  

Analysis of Nucleosides and Amino Acids in Different Parts of Lindera aggregata (Sims) Kosterm. from Different Habitats by UFLC-QTrap-MS/MS Combined with Multivariate Statistical Analysis [PDF]

open access: yesZhipu Xuebao
A method of ultra-fast liquid chromatography-triple quadrupole/linear ion trap tandem mass spectrometry (UFLC-QTrap-MS/MS) was established for simultaneous determination of 11 nucleosides and 14 amino acids in Lindera aggregata (Sims) Kosterm., which ...
LUO Yi-yuan1, GU Hai-yan2, XIE Ye-fei1, JIANG Xin-miao1, WANG Juan1, CAI Hong-die1, MA Shu-wei1, CHEN Hong-jiang1
doaj   +1 more source

Geochemical characteristics of titanite and U-Pb age of garnet from mineral mines of the Southern Urals

open access: yesЗаписки Горного института
Mineralogical-geochemical (SIMS method) study of titanite and geochronological (ID-TIMS method) study of garnets from mineral mines of the Southern Urals has been carried out. The mineral associations containing titanite belong to four contrasting types:
Vladislav S. Stativko   +4 more
doaj  

Determination of the Distribution of Uranium in Glass Solidified Samples by Secondary Ionization Mass Spectrometry

open access: yesYankuang ceshi, 2016
Glass solidification is a common method for curing highly radioactive waste liquid. This method has the advantages of high resistance to chemical corrosion, and good radiation, thermal, and mechanical stability.
XIE Wei-yi   +3 more
doaj   +1 more source

Modern application and prospects of the stable isotopes  method for studying avian influenza A virus transmission   in migratory birds

open access: yesЮг России: экология, развитие, 2019
Aim. The circulation and transmission of pathogens is a global biological phenomenon that is closely associated with bird migration. This analysis was carried out with  the aim of understanding and assessing the prospects of using the stable isotope ...
O. R. Druzyaka   +4 more
doaj   +1 more source

ABOUT USING OF SECONDARY ION MASS SPECTROMETRY METHOD FOR RESEARCH OF BIOORGANIC OBJECTS

open access: yesEast European Journal of Physics, 2016
The problems of application of secondary ion mass spectrometry (SIMS) with a liquid matrix for the study of objects of organic origin, as well as some aspects of the methodology of the liquid matrix using, in particular, for minimizing the effect of ion ...
V. A. Litvinov   +3 more
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Ensayo clínico para evaluar el efecto de la postura de sims modificada sobre la rotación y descenso de la presentación en mujeres nulíparas con analgesia epidural

open access: yesNURE Investigación, 2011
Objetivo: Evaluar si la postura de Sims Modificada disminuye la duración del segundo periodo del trabajo de parto y facilita la rotación y el descenso del cilindro fetal por el canal del parto en nulíparas con analgesia epidural.
Rosa Ana(1) Martín de Vega   +4 more
doaj  

Predicting the number of road accidents involving personal mobility aids on the example of Krasnodar krai

open access: yesВестник СибАДИ
Introduction. Nowadays personal mobility aids (SIMs) are in active demand. According to the data of the mass media, the considered means of mobility are particularly popular in southern cities, such as the cities of Krasnoyarsk region, in which 190 ...
A. G. Shevtsova   +2 more
doaj   +1 more source

SIM: A dynamic multidimensional visualization method for social networks

open access: yes, 2008
Visualization plays an important role in social networks analysis to explore and investigate individual and groups behaviours. Therefore, different approaches have been proposed for managing networks patterns and structures according to the visualization purposes. This paper presents a method of social networks visualization devoted not only to analyse
Caschera Maria Chiara   +2 more
openaire   +2 more sources

Sample Preparation for in vitro Analysis of Iodine in Thyroid Tissue using X-ray Fluorescence

open access: yesCancer Informatics, 2008
Iodine is enriched and stored in the thyroid gland. Due to several factors, the size of the thyroid iodine pool varies both between individuals and within individuals over time.
Gertrud Berg   +2 more
doaj  

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