The phrase "a circulation is" is correct and usable in written English.
It can be used when defining or explaining what a circulation refers to in a specific context, such as in publishing, healthcare, or finance.
Example: "A circulation is the total number of copies of a publication distributed during a specific period."
Alternatives: "a distribution is" or "a flow is".
The cost of f is defined as W(f) = ∑ e ∈ E w f, e), where w f, e) is a cost of f on e ∈ E. A circulation is a biflow such that b v = 0 for any v ∈ V. Definition 6 (Circular chromosome graph) Let G = (V,E) be a chromosome graph, and let v N and v T be new vertices.
With the aid of a modified heart lung machine, a circulation is established and a dynamic angiography can be performed, showing the arterial, parenchymatous and venous systems [ 25].
The system later dissipated just offshore; a circulation was no longer evident on satellite imagery.
The CPHC initiated advisories on Tropical Depression Three-C on September 26 after a circulation was evident in the system.
The disturbance moved at about and upon developing a circulation, was declared Tropical Depression Twenty-One at 0600 UTC September 19.
The next day, a circulation was noted on satellite imagery to the northeast of the convection, which indicated that a tropical disturbance had developed.
A circulation was present, and it developed into a tropical depression on August 30, about 520 miles (840 km) south-southeast of Bermuda.
A circulation was evident by November 11, and the following day it developed into Tropical Disturbance 2 about 830 km (515 mi) southeast of Diego Garcia.
When evidence of a developing circulation is detected in the Atlantic or Caribbean, a U.S. Air Force C-130 aircraft is dispatched to determine if a closed circulation is present.
I spent an hour surveying their written work at the Gathering's gift shop, and, in truth, a small circulation is probably for the best.
The maintenance of a stable circulation is therefore important in cirrhotic patients.
