Depending upon the conditions, either nucleation or growth may be predominant over the other, and as a result, crystals with different sizes and shapes are obtained (Control of crystal size and shape constitutes one of the main challenges in industrial manufacturing, such as for pharmaceuticals).
For the region, see San Fernando Valley. San Fernando is a city located in the San Fernando Valley, in the northwestern region of Los Angeles County, California. It is completely surrounded by the City of Los Angeles.
Supervisor Kathryn Barger proudly serves the residents of Los Angeles Countyâs 5th Supervisorial District â the countyâs largest â spanning 2800 square miles, which includes 22 cities and 70 unincorporated communities in the San Gabriel, San Fernando, Cresenta, Santa Clarita and Antelope Valleys. Read More.