Which elements are useful for understanding the composition of ancient papyrus inks?
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DOI: 10.1017/s0885715617000951
Abstract: X-ray fluorescence spectrometry was used in mapping and spot analysis modes, to help identify which elements are useful for understanding the composition of ancient papyrus inks, for 25 papyri from four age groups. We report… read more here.
Keywords: composition ancient; papyrus; elements useful; understanding composition ... See more keywords
Understanding to the composition and structure of organic chlorides in petroleum and its distillates
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DOI: 10.1080/10916466.2018.1514407
Abstract: Abstract Understanding the molecular compositions of organic chlorides in petroleum and its distillates plays an important role in realizing molecule management of petroleum refining processes. This paper discussed the various advances on analytical methods of… read more here.
Keywords: chlorides petroleum; composition structure; understanding composition; petroleum distillates ... See more keywords
A Significant Expansion of Our Understanding of the Composition of the Human Microbiome
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DOI: 10.1128/msystems.00010-19
Abstract: Shotgun sequencing of samples taken from the human microbiome often reveals only partial mapping of the sequenced metagenomic reads to existing reference genomes. Such partial mappability indicates that many genomes are missing in our reference… read more here.
Keywords: microbiome; reference; expansion understanding; human microbiome ... See more keywords