al, physical, and bilogical factors on th seasonal variation in population and on reproduction of Chlorohydra Viridissima (Schulze) in a small pernnial pond. digital.library.unt.edu/ark:/67531/metadc29863/ Electrodeposit of Nickel The purpose of this study is to investigate the varying conditions in types of solutions, concentrations of solutions, hydrogen-ion concentration, current densities and