Sentences with word «quaternary»
The word "quaternary" refers to something that is fourth in a series or involves four parts. Full definition
In the study, recently published in the scientific publication Journal of Quaternary Science, the international team proposes that it was this inflexible diet that led to the Cave Bear's extinction approximately 25,000 years ago.
sciencedaily.com
A new model, investigating the retreat of this ice sheet and its many impacts has just been published in Quaternary Science Reviews.
Many freshwater fossils are preserved in the formation, dating back to the Neogene and Quaternary Periods of the Cenozoic Era.
I remind you of the paper by Kukla et al and the special issue of Quaternary Research in 1972, concluding that based on the comparison with the other interglacials we will enter soon in glaciation (see the introduction of our papers to have a summary of that story).
This has been well established since at least 1989, when Jouzel and others pointed it out in a paper in Quaternary Research.
It belongs to a class of compounds called quaternary ammonium compounds, or «quats.»
He is a recipient of the American Geophysical Union's James B. Macelwane and William Gilbert Medals and the International Union for Quaternary Research (INQUA)'s Sir Nicholas Shackleton Medal.
«According to the Clathrate Gun Hypothesis (Kennett et al., submitted) episodic atmospheric CH4 emissions resulting from instability of the marine sedimentary methane hydrate (clathrate) reservoir contributed significantly to the distinctive behavior of late Quaternary climate on orbital (Milankovitch) and millennial time scales.
The answer is that ancient teosinte grew differently from its modern counterpart, according to a study published in Quaternary International.
This incredible natural wonder was created over an aeon during several periods of quaternary glaciation.
Banfield, L.A., and Anderson, J.B., 1995, Seismic Facies Investigation of Late Quaternary Glacial History of Bransfield Basin, Antarctica, AGU Antarctic Research Series, v. 68, 123 - 140.
According to research published in the journal Quaternary Science Reviews, the chance find of a humanly - worked quartzite flake, in ancient deposits of the river Gediz, in western Turkey, provides a major new insight into when and how early humans dispersed out of Africa and Asia.
«Late Quaternary Ice Age Climates of Tropical Australasia: Interpretations and Reconstructions.»
Although the southern islands (San Clemente, San Nicolas, Santa Barbara, and Santa Catalina) increased in size during Quaternary glacial periods.
Contribution of electrostatic interactions, compactness and quaternary structure to protein thermostability: lessons from structural genomics of Thermotoga maritima.
The researchers showed that the degree of isolation of contemporary reefs from Quaternary refugia is the most significant factor explaining the distribution of tropical marine fish observed today.
Known as quaternary ammonium compounds or «quats,» the chemicals are often used as disinfectants and preservatives in household and personal products such as cleaners, laundry detergent, fabric softener, shampoo and conditioner, and eye drops.
«We have confirmed this earlier appearance of the Iberian lynx based on initial molecular studies that estimate the emergence of this feline during the Early Pleistocene in the Iberian Peninsula,» asserts Alberto Boscaini, a researcher at the Miquel Crusafont Catalan Institute of Palaeontology (ICP) and the main author of this study published by Quaternary Science Reviews.
Baylor St. Luke's Medical Center A quaternary care facility that is home of the Texas Heart ® Institute, a world - class cardiovascular research and education...
Prof Ralf - Dietrich Kahlke from the Senckenberg Research Station for Quaternary Paleontology in Weimar, Germany, has recorded the maximum geographic distribution...
Disclosure Note * Largely because of my early writing on humans as a geological force, I am a member of the working group on the Anthropocene established by the Subcommission on Quaternary Stratigraphy.
On the basis of reconstructed Quaternary sea temperatures, the authors of the study were able to map the reefs and observe their evolution over 2.6 million years.
Disinfectants containing quaternary ammonium compounds have been found to kill Giardia cysts at the manufacturers» recommended dilutions (dilutions of one disinfectant upto 1:704 were found to be effective at both low and high environmental temperatures).
Health researchers are concerned about specific chemicals used in cleaners — including popular brands like Lysol, Clorox and Simple Green — called quaternary ammonium compounds, used to kill microorganisms.
«We previously developed a cobalt catalyzed Grignard reaction for making hindered quaternary carbon centers.
Berger, A. L. Long - term variations of daily insolation and Quaternary climatic changes.
Institute of Arctic and Alpine Research, University of Colorado at Boulder & Department of Geograpy and Quaternary Geology at Stockholm
Scientists dating Quaternary glacial sediments in Antarctica most commonly use one of the methods outlined below, depending on what kind of material they want to date and how old it is.
«Most shelters and animal hospitals use quaternary ammonium compounds.
Astronomically calibrated 40Ar / 39Ar age for the Toba supereruption and global synchronization of late Quaternary records
Species - specific responses of Late Quaternary megafauna to climate and humans Lorenzen, E. D., D. Nogués - Bravo, L. Orlando, J. Weinstock et al. 2011.
DNA uses quaternary code — 4 digits represented by four proteins.
WSDOT Geotechnical Study on SR 530 and Geotechnical Soil Characterization of Intact Quaternary Deposits Forming the March 22, 2014 (Oso) Landslide Drilling information in the reports show a more complex stratigraphy than was assumed prior to the slide, showing that surface activity, such as forestry, likely had nothing to do with the deep - seated landslide.
The use of the Nebraskan, Afton, Kansan, and Yarmouthian (Yarmouth) stages to subdivide the ice age in North America have been discontinued by Quaternary geologists and geomorphologists.
There are so many other methods of dating Quaternary sediments and organic material that it is impractical to cover them all here in detail.
These amino acids organize themselves into structures known as quaternary proteins.
CITRICIDAL is a natural quaternary compound synthesized from the seed and pulp of certified organically grown grapefruit.
Simultaneous U — Pb and U — Th dating is possible and useful for Quaternary zircons.
Bradley, R.S., 1989: Recent developments in Quaternary paleoclimatology.
Discussion of McMurtry et al. «Elevated marine deposits in Bermuda record a late Quaternary megatsunami»: Sedimentary Geology, 200, 155 — 165, 2007 (Aug. 07).
2010 Lyell Medal, Geological Society of London 2012 Distinguished Career Award, American Quaternary Association 2013 Royal Scottish Geographical Society Coppock Research Medal
And finally our current Quaternary glaciation began a brief 2.58 mya.
To use PLURYAL ®, first disinfect the skin, but avoid using benzalkonium chloride solutions or other quaternary ammonium compounds.
The history of multiple Quaternary ruptures along the Leech River fault zone suggests that it is capable of producing earthquakes of MW > 6.
But, opting for Geography in my honours years I unsuspectingly chose a «Quaternary Environments» course.
«People have been thinking that the 100,000 year cycle was a later Quaternary [present - day] climate anomaly,» Nie says.