Results 311 to 320 of about 114,172 (349)
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Late Cretaceous Atmospheric Oxygen
Science, 1987M A, McMenamin, D S, McMenamin
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Modelling palaeophotosynthesis: late Cretaceous to present
Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, 1994This paper presents an attempt to reconstruct potential changes in the photosynthetic rates of terrestrial C3 leaves over the past 120 Ma. The approach has been to couple palaeoatmospheric reconstructions of O2, CO2and temperature from geochemical modelling, and an independent estimate of ancient CO2changes from fossil porphyrins, with a mechanistic ...
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Late Cretaceous gymnosperms from Sakhalin and the terminal Cretaceous event
1978(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Radiation therapy‐associated toxicity: Etiology, management, and prevention
Ca-A Cancer Journal for Clinicians, 2021Kyle Wang
exaly
The Late Cretaceous Tucson Mountains Dinosaur
Historically, the “Tucson Mountains dinosaur” has been considered an Early Cretaceous iguanodont from a megabreccia block of the Amole Arkose in the Tucson Mountains caldera of southern Arizona. We demonstrate here that it is instead a large hadrosaur represented by an incomplete left hindlimb, including an incomplete ilium, proximal and distal femur ...Lucas, Spencer G. +3 more
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Recent progress in the treatment of cancer in children
Ca-A Cancer Journal for Clinicians, 2021Theodore W Laetsch
exaly