"more attentions" is not correct English.
The correct phrase to use would be "more attention." Example: The teacher asked for more attention from the students during class.
Nowadays, low power design has attracted more attentions.
Recently, fractional differential equations have attracted more and more attentions (cf. [1 8] and references therein).
Thus WPT technology receives more and more attentions from the researchers in biomedical engineering [4 7].
Among kinds of magnetic property engineering methods, doping attracts more attentions [18 28].
Generally, the biofuel generated from lignocellulose conversion had attracted more attentions [2].
Hydroisomerization, as a technology to produce higher quality petroleum products, is getting more and more attentions.
The global warming attracts more and more attentions in the recent few decades [1].
WMN is now attracting more and more attentions in both academia and industry [1].
This also informs that we should pay more attentions to the strong motion duration.
Therefore, the wind-diesel-BESS system will gain more attentions in the future.
More attentions should also be paid for those stimuli not indicated here (e.g., vibration, sound, touch).
