books oxygen isotope ratio
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# oxygen cylinder
# We breathe oxygen
# An event that leads to a shortage of oxygen
# Phosphate and oxygen ratio
# Isotope ratio
# Symptoms of low oxygen levels
# The percentage of dissolved oxygen
# Isotope abundance ratio
# Oxygen isotopes
# Who was the first to discover oxygen?
# isotope abundance ratio
# Oxygen isotope analysis
# How do I calculate the ratio?
# What are the divisions of the water-to-water ratio?
# liquid oxygen
# Oxygen compounds
# Lack of oxygen in the water
# Reactive oxygen compounds
# oxygen mask
# oxygen saturation
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نسبة نظائر الأكسيجين (Info)
نسبة نظائر الأكسيجين:- هي نسبة بين الأكسجين 18 والأكسجين 16 في هياكل الحيوانات أو الحفريات البحرية، يستدل منها على معدل درجة حرارة المحيط في الأزمنة المختلفة. (معجم الجيولوجيا)
