- n. the 1200s or thirteenth century.
“A review of Mr. Mamet's book, "The Secret Knowledge," can be found on page C13 in today's Review section.”
“Surely you would have done something on spallation in C13/C14 production and in the basics of atomic-level structures in both nuclear or physical chemistry.”
“Carbon has two stable isotopes, C12 and C13, and living things invariably enrich the carbon in the light isotope.”
“Journal of Geophysical Research, 102 (C13): 27951 – 27959.”
“Another possible avenue is C13, which has a small but non-zero neutron absorption cross section.”
“#C13 427: To ensure that abortions are not paid for with federal funds and for the purchase of supplemental abortion coverage without federal funds.”
“These practices — partly in response to droughts or increasing population density in the Sahel region — contributed to soil degradation, increased wind erosion, and higher levels of dust (C13. 4.3).”
“This vicious cycle further suppressed vegetation cover (C13 Box 13.1).”
“However, long-term remote sensing studies indicate extensive recovery of vegetation productivity after the droughts, suggesting that it was almost completely controlled by rainfall (C22 Box 22.2, C13. 3.2, C19. 2.3).”
“This is usually coupled with the effect of reduced surface evapotranspiration and shade or increased albedo (C22. 2.3, C22. 2.2, C13 Box 13.1).”
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