College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, Shandong, China ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. In describing the charge on tetraalkylammonium ions, a charge of +1 is usually ...

The probability density function (PDF) is an expression used in statistics that defines the probability that some outcome will occur. In this function, the probability is the percentage of a ...