The phrase "a long duration in" is correct and usable in written English.
It can be used when discussing the length of time spent on a particular activity or in a specific context.
Example: "She has been involved in research for a long duration in the field of environmental science."
Alternatives: "an extended period in" or "a lengthy time in".
This type of balloon has a potential for a long duration in situ meteorological observation.
Datta and Kaviraj (2011) have reported that acute toxicity of fenvalerate remains persistent for a long duration in air-breathing cat fishes viz.
We did not use midazolam, because it had been administered to the patient over a long duration in the ICU, and we were informed that the patient might have developed a tolerance to it.
The experimental results indicated that there is a dangerous upward impulse with a high peak and a long duration in the measured stress signal during starting up a fluidized bed.
The spread of red color (P wave) across the Sea of Japan with a long duration in the sea indicates that Lg- to-P conversion has occurred at the crust-sea interface, which also removes seismic energy from the Lg wave in the thinner crust.
Results of real-time 4D display performance are discussed as well as the capability of 4D-video recording for a long duration in section 2.4.
Among young backpackers (18 35 years old) on a long duration trip in Australia, more than a quarter consumed alcohol and cannabis more frequently (while there was a decrease of the consumption of other drugs) [ 4].
Another illustration of geographic variation in exposure to dioxin-like compounds was the higher contribution of PCBs in the total TEQ levels in the pool consisting of mothers with a long duration of stay in other overseas countries, including Indonesia, Singapore, Vietnam, and Thailand.
In contrast, the mature forest, which contained many large standing trees and large amounts of deadwood, experienced a high-intensity fire over a long duration time, resulting in surface or deeply burnt deadwood.
Additionally, the beneficial development of a decreasing smoking pattern among recent immigrants with a long duration of stay in their countries of origin has to be supported.
4 In the UKPDS, the benefits of intensive glycemic control on CVD were observed only after a long duration of intervention in newly diagnosed younger patients.
