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.
Pay. The median salary of an aerospace engineer is more than $97,000. The median salary is the salary at which 50% of the workers earned more and 50% earned less. The lowest 10% of engineers earn less than $60,000, and the highest 10% earn more than $140,000.erospace engineers normally work forty hours a week, but project directors often need to work overtime. Project directors are responsible for the quality of design and the efficiency of the aircrafts' performance, as well as managing timetables, deadlines, and employees.