pH is a measure of how acidic or alkaline water is, on a scale of 0 to 14, with 7 being neutral. Values below 7 indicate acidity, while values above 7 indicate alkalinity. The pH level of water can significantly influence its chemical behavior, biological activity, and overall quality. For instance, water that is too acidic can corrode pipes and fixtures, introducing harmful metals like lead into the water supply. Conversely, water that is too alkaline can cause scaling, which affects equipment and reduces efficiency in industrial processes.
However, QQ's journey has not been without challenges. The rise of social media and other messaging platforms has led to intense competition. While QQ still enjoys a significant user base, especially among younger users and established communities, newer platforms like WeChat have capitalized on the demand for simplicity and multifunctionality in communication. This competition has compelled QQ to continue innovating and evolving, ensuring that it stays relevant in a rapidly changing digital world.