Sentence examples for been a challenging task from inspiring English sources
However, it has been a challenging task to select proper wavelet parameters.
The determination of ΔKth,eff for fatigue crack growth has been a challenging task.
The delivery of the selective gene to the desired cells has always been a challenging task.
It has been a challenging task to determine ACh in complex brain matrices.
Development of cost-efficient denitration technologies has been a challenging task in chemical industry.
The band structure of IIB-VI semiconductors has always been a challenging task for theoretician.
Historically, achieving a high response rate on physician surveys has been a challenging task.
Dave Musgrove, editor of BBC History Magazine, said putting the list together had been a challenging task.
To the Editor: Measuring the effectiveness of novice teachers has always been a challenging task for principals.
However, Due to the complex structure and maturation process of hydrogenases, their heterologous production has been a challenging task.
Welding of high strength and corrosion resistant materials is always been a challenging task for the researchers.
