When the product pH is less than pH 4.1, due to. the addition of vinegar (acetic acid), and the dressings and. mayonnaise are held at room temperature for a few days, Salmonella spp. are inactivated (Smittle, 1977). Other organic. acids do not function as effectively as acetic acid.
These primate cities are often, but not always, the capital cities of a country. An excellent example of a primate city is Paris, which truly represents and serves as the focus of France.ome scholars define a primate city as one that is larger than the combined populations of the second and third ranked cities in a country. This definition does not represent true primacy, however, as the size of the first ranked city is not disproportionate to the second.
COMPARING THREE CITIES: PARIS, STOCKHOLM AND BEIJING. Paris. Paris is the capital of France, located on the River Seine, in the north of the country. Paris has. a population of 9.93 million people in its urban area, which occupies 1,200 square kilometres. In fact, almost 20% of the countryÂ´s population live within the metropolitan area of Paris.