The phrase "active aerial" is correct and usable in written English.
It can be used in contexts related to technology, telecommunications, or broadcasting, referring to an antenna that is powered or has an active component to enhance signal reception or transmission.
Example: "The technician installed an active aerial on the roof to improve the television signal quality."
Alternatives: "powered antenna" or "amplified antenna".
He was also active in aerial engagements against Central aircraft during this period, achieving flying ace status early in the year.
Given the half-lives associated with antibiotics we identified in the present study, it is feasible that these antibiotics remain active during aerial transport and after deposition onto soil, water, or other surfaces for days to weeks.
After conducting dose response experiments using concentration of 0 to 6.72 kg ha−1 glyphosate as active ingredient, aerial tissues of four-month old greenhouse grown leafy spurge plants were treated with 0 or 2.24 kg ha−1 glyphosate plus 0.25 % surfactant as described by Doğramacı et al. [ 28].
They say that, "using capillarity combined with active energy, the aerial roots with a distinct sponge-structure can absorb and store the excess water without disturbing the Amazon's ecosystem".
The provincial governor for Farah Province, Rohul Amin, confirmed there had been heavy fighting and aerial bombardment in Bala Baluk, a district to the north of the province where Taliban and drug smugglers are active.
Dr. Kay also discovered an active program to build unmanned aerial vehicles, called U.A.V.'s.
The administration's evidence, according to the interviews, was much more accurate in the arena of missiles and unmanned aerial vehicles: very active programs were under way for both.
After earning a bachelor's degree in geology from Princeton University in 1943, he joined the Naval Reserve and was called to active duty, serving as an aerial photo analyst in the South Pacific during World War II.
