The phrase "a focus of concentration" is correct and usable in written English.
It can be used when discussing a specific area or subject that requires attention or mental effort.
Example: "In order to improve our productivity, we need to identify a focus of concentration for our team during the project."
Alternatives: "a point of focus" or "an area of emphasis".
The heat-affected zone is shown to be significantly softer than the parent and weld metals and to act as a focus for concentration of plastic strain, leading to significantly inhomogeneous distributions of stress and strain in the weldment.
They're the product of a sense of focus, of concentration, that Evan never quite mustered in his drifting, one-thing-after-another earthly existence; then, the best he could muster to articulate the horrors of his depression were clichés about "tough sledding".
In the stage of concentration, the practitioner concentrates, for example on the lower abdomen, in which case there is a dualistic relationship established between the practitioner who is concentrating, and the lower abdomen that is the focus of concentration.
"This level of competition demands total focus of concentration on details that decide games," said Micho after Sunday's decisive 1-0 loss to Egypt, who scored in the 89th minute.
Osteotomy cuts are typically made using a saw, and the meeting point acts as a focus for the concentration of stress and failure.
Biochemical blood tests were conducted with a focus on the concentration of urea, electrolytes and creatinine before the first infusion, and on the second and fifth days after infusion.
With less of a focus on high-concentration translational machinery and housekeeping genes, we then attempted to apply SMS in finding gene fusions in the transcriptome.
I have my ideas, but when you go and put that on a doll, that's too much". It's almost as if they achieved this uncanny attention to detail as a product of their grief; that concentrating on something is a salve, but the focus of your concentration has to be a tightrope act, between reality and fantasy.
The four courses outside the department need not directly concern religion, but they must form a coherent, focused unit of concentration.
"To read a novel requires a certain amount of concentration, focus, devotion to the reading.
"It's just a matter of concentration, focusing on the ball and hand placement.
