It is a 'Training Contract Identification Number' or TCID.
Chat with our AI personalities
TCID=Tissue Culture Infectious Dose TCID 50 means in tissue culture a certain virus will infect 50% of the cell monolayers challenged with the defined inoculum
A positive number. Positive Number x Positive Number = Positive Number Positive Number x Negative Number = Negative Number Negative Number x Negative Number = Positive Number
A real number which is not a rational number is an irrational number.
There is no number that is equivalent since a number is just that - a number. It is NOT a measure of time.There is no number that is equivalent since a number is just that - a number. It is NOT a measure of time.There is no number that is equivalent since a number is just that - a number. It is NOT a measure of time.There is no number that is equivalent since a number is just that - a number. It is NOT a measure of time.
A multiple of a number is the product of that number and any whole number.