scholarly journals Dynamics of short-time-scale energy relaxation of optical excitations due to electron-electron scattering in the presence of arbitrary disorder

2003 ◽  
Vol 68 (11) ◽  
Author(s):  
Imre Varga ◽  
Peter Thomas ◽  
Torsten Meier ◽  
Stephan W. Koch
Keyword(s):  
Electron Scattering ◽  
Time Scale ◽  
Energy Relaxation ◽  
Short Time Scale ◽  
Optical Excitations ◽  
Short Time

An Alternative Test Using Algal Cultures for Testing Chemicals for Toxicity

1993 ◽  
Vol 21 (2) ◽  
pp. 196-201
Author(s):  
Søren Achim Nielsen ◽  
Thomas Hougaard
Keyword(s):  
Size Distribution ◽  
Mitotic Activity ◽  
Time Scale ◽  
Test System ◽  
Short Time Scale ◽  
Toxic Substances ◽  
Alternative Test ◽  
Short Time ◽  
Algal Cultures ◽  
Test Cultures

An alternative test is presented, in which algal cultures are used for testing toxic substances. This test system is based on variations in the size distribution of cells in test cultures as a measurement of growth. Thus, inhibition of mitotic activity is used as a measurement for toxic effects. The test can be performed on a short time-scale and is very sensitive to even weak toxic doses.

SHORT-TIME SCALE DEVELOPMENT OF A GYMNODINIUM CATENATUM POPULATION IN THE RIA DE VIGO (NW SPAIN)1

1996 ◽  
Vol 32 (2) ◽  
pp. 212-221 ◽  
Author(s):  
Eglee Gomez Fermin ◽  
Francisco G. Figueiras ◽  
Belen Arbones ◽  
Maria Luisa Villarino
Keyword(s):  
Scale Development ◽  
Time Scale ◽  
Short Time Scale ◽  
Nw Spain ◽  
Ría De Vigo ◽  
Short Time ◽  
Gymnodinium Catenatum
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