Not exact matches
We propose that the presence of a diffusible factor that promotes BR accumulation
over a certain
threshold would stimulate rapid cell elongation and cessation of meristem
activity, leading to formation of a bristle.
The controversy
over the solar -
activity connection centers on an indirect amplification mechanism which postulates that cosmic rays above a critical
threshold energy (~ 10 GeV) significantly affect cloud nucleation, altering the planet's albedo.
... retailers crossed a historic new
threshold over Thanksgiving weekend as consumers set new records for e-commerce
activity and embraced mobile shopping like never before.
Each different
activity gives a different amount of points, and collecting a certain number of points gets you
over a
threshold, which equates to «leveling up.»