Nonetheless, further studies on the clinical effects of this concept are necessary before it can be introduced in clinical practice.
It was necessary to "tell" about this idea in the middle of the chapter, because the concept was necessary for building understanding of upcoming concepts, yet it was difficult to allow students to "discover" it for themselves.
Validation of the concept was necessary to qualitatively and quantitatively determine the possibility of operating a second stack on a lean fuel originating from the anodic compartments of the first stack.
Re-design of the Ford-3000 concept is necessary before field implementation.
The inventory was informed by Rowbottom's (2007) notion of looking for abilities for which a concept is necessary.
However, to reach the maximum efficacy of the Xe2*-excilamp for photo-initiated water purification further engineering optimization of the photoreactor concept is necessary.
To enhance the productivity of reservoirs, a site specific concept is necessary to actively make reservoir conditions profitable using specially adjusted stimulation treatments, such as multi fracture concepts and site specific well path design.
Having those concepts is necessary for her to understand the relevant propositions, and she cannot justifiedly believe a proposition that she does not understand.
More research on each design concept is necessary to give a better understanding of acceptable and unacceptable migration for each of the concepts.
We did not find major differences between the 2 study groups, but long-term follow-up of the RH concept is necessary.
