For example, NTP studies might use a rat strain other than the F344/N if existing information indicates a need or considerable work has been done in another strain as long as there is no indication that the alternative model is inappropriate (NTP 2006b, 2006c).
The report said: "Considerable work has been done since 2010 with a view towards prioritising services for possible withdrawal or modification in a climate of reduced funding".
The predator prey model [1 6] is a basic differential equation model describing the interaction among species, and considerable work has been done with regards to both Turing and non-Turing patterns where the latter often appears to be chaotic space [7, 8].
Over the last several decades, considerable work has been done throughout the world to develop a methodology for integrity assessment of pipes and elbows, appropriate for the material involved.
Over the last several decades, considerable work has been done throughout the world to develop a system oriented methodology for integrity assessment of pipes and elbows, mainly for application to nuclear power plants.
Because of its biomedical importance, considerable work has been performed on atherosclerotic lesions, which provide a very clear example.
As described above, DNA methylation is an additional mechanism to silence genes (see Figures 2B, C), and considerable work has been invested to study the connection between aberrant DNA methylation and cancer.
The richness of the dynamics near those singular conditions is so varied that considerable work has been done to synthesize that particular behaviour in a general classification in the unfolding of the bifurcations.
Considerable work has been put into making the "Sports Dome come off as a warped, steroidal version of "Sports Center.
Considerable work has been done in seismology to explain the characteristics of the recorded ground motions in earthquakes.
