Ringer's solution is a special salt solution made up to be isotonic to physiological pH. It is named for Sydney Ringer, who determined that the liquid around a frog's heart must contain a set proportion of salts if the heart is to remain to beat (1882â1885).
Active Directory Engineer average salary is $93,149, median salary is $90,000 with a salary range from $73,233 to $109,944. Active Directory Engineer salaries are collected from government agencies and companies. Each salary is associated with a real job position. Active Directory Engineer salary statistics is not exclusive and is for reference only.
Operating Engineer Salary Statistics as of 2015. Average annual salary for a Operating Engineer is $58491 based on statistics in the U.S. as of 2015. The highest salary recorded was $89672. The lowest salary was $39850. These figures will vary on a state to state basis as these are averages across all 50 states. Median hourly wage for a Operating Engineer is $29.09 based on statistics in the U.S. as of 2015. The highest hourly rate recorded was $44.59. The lowest hourly rate recorded was $19.82. These figures will vary on a state to state basis as these are averages across all 50 states.