positive control


Also found in: Dictionary, Medical, Acronyms, Wikipedia.

positive control

i. A method of airspace control that relies on positive identification, tracking, and the direction of an aircraft within an airspace, conducted with electronic means by an agency with the authority and responsibility.
ii. Tactical control of an aircraft by a designated control unit, in which the pilot receives orders affecting the aircraft's movements and which immediately transfers responsibility for its safe navigation to the unit issuing the orders.
References in periodicals archive ?
The positive control group now exhibited hypoglycemia and was significantly different (P < 0.
0001) decrease in macrophage percentage of positive control to 18.
To compare and select the better of the two, B1 and RE PCR were performed using serial dilutions of the positive control as described in methods.
Importantly, it was statistically lower than the positive control and even from the rest of the treatments by the same Tamhane test.
Cortical continuation, which exhibited a similar morphology to mature bones, was observed in the positive control group [Figure 2]g, and the bone marrow cavity was thoroughly formed [Figure 2]h.
Table 2 shows the mitotic indices obtained for the Positive Control, Negative Control, and Jatoba Control at concentrations of 0.
3gm was compared with positive control, both M1 and M2 miswak exhibited larger zone of inhibition in contrast to their respective positive control with statistically significant p-value.
The positive control isolate was not inhibited by the active complement, whereas the negative control ceased to grow in the presence of active complement.
7 [mu]g/ml, had stronger inhibition than a positive control, acarbose, with an IC(50) of 336.
The positive control group displayed widespread root resorption lacunae.
A positive control (a material from the previous experiment that was found to have high activity near static electricity)
Animals were randomly divided into six groups: a control, a sham operation group, those with induced AMI, those with AMI plus Paeoniae extract (PE) low dose, AMI and PE high dose and AMI plus isosorbide dinitirite positive control.

Full browser ?