Sentence examples for extinction based from inspiring English sources
Basically, the researchers looked at dinosaur extinction based on "morphological disparity," the variability of body structure.
This model was introduced in a zone code, and an ad-hoc modeling of the fire extinction based on a critical surfacic mass loss rate is proposed.
In this way, a useful extinction criterion is developed that defines conditions for which unsteady mixing dynamics lead to extinction based on information available from steady-state flames.
They also found a substantial effect of group extinction based on the fact that female mice would often find themselves in groups in which all males were sterile, and the group itself would therefore go extinct.
The task used in the study requires students to write an essay entitled 'Should endangered languages be saved from extinction?' based on two articles for a national essay contest.
The particular emphases are the chronology and environment of mammoth existence and extinction, based on about 530 radiocarbon dates from about 230 localities with mammoth remains and palaeoenvironmental records of the last 50,000 years.
Critics, including The Skeptical Environmentalist author, Bjørn Lomborg, have argued that because such figures rely on so many estimates of the number of underlying species and the past rate of extinctions based on fossil records of marine animals, the huge margins for error make these figures too unreliable to form the basis of expensive conservation actions.
We examined the effect that this may have on our reconstructions by manually varying the extinction rate based on the range of values seen in our speciation-extinction analysis (see Results).
Protein concentration was estimated by densitometric analysis of SDS gel bands using the Quantity One analysis software (Bio Rad, Hercules, CA, USA) and by the use of the extinction coefficient at 280 nm (77,015 M−1 cm−1) determined by urea denaturation compared with the theoretical extinction coefficient based on the amino acid sequence.
Protein concentration was estimated using the extinction coefficient at 280 nm (45258 M-1 cm-1) determined by urea denaturation and the theoretical extinction coefficient based on amino acid sequence.
Establishing an absence is more difficult than establishing a presence.Think of a numberIn the 1970s scientists started trying to estimate extinction rates based on assumptions, not observation.
