None of this means that what is popular is stagnant, but even dramatic shifts in opinion and political leanings follow a typical pendular pattern, reactively swinging back and forth.
The increase in Chinese demand, expected this year to be up to 25 times the 2005 level, has come as most lines' business shipping Japanese or Korean cars to Europe is stagnant or falling.
Traditional design models lack the effective instructional strategy for ill-structured domains instruction, and the students'ability to revolve ill-structured problems is stagnant.
The heat transfer and hydrodynamic calculation results of the waste heat boiler show that water circulation is stagnant when the thermal load is very low.