The study of the mid-late first row transition metal co-ordination chemistry of the pyridazine-containing Schiff-base macrocycle L1 [derived from the (2+2) condensation of 3,6-diformylpyridazine and 1,3-diaminopropane] ...

This is a document explaining the definition of logarithm to different bases and the properties of the logarithm function. Numerous examples of evaluating logarithms are included.

This is a multiple-choice and text entry test on the definition of logarithms.

Night sky at Athabasca with Athabasca University Robotic Telescope in foreground.

We have developed a nonlinear fitting routine for the Harris current sheet based on magnetic data, and applied it to 71 plasma sheet crossings by Cluster. In most cases this simple fit appeared to represent the magnetic ...