The phrase "a narrow stream of" is correct and usable in written English.
It can be used to describe a small, thin flow of liquid or metaphorically to refer to a limited amount of something, such as information or resources.
Example: "The river transformed into a narrow stream of water as it wound through the valley."
Alternatives: "a thin flow of" or "a slender current of".
A narrow stream of water slices through it.
Lissajous used a narrow stream of sand pouring from the base of a compound pendulum to produce the curves.
That causes a narrow stream of oxygen atoms to flow briefly inside one layer of titanium dioxide in a memristor on a nearby silicon wafer.
The polar jet stream is a narrow stream of fast wind circling the globe from west to east at the top of the troposphere from 7 to 12 kilometers up, and usually between 50 and 70 degrees north.
Cathode-ray tubes had previously been characterized by uncontrolled rays; Braun succeeded in producing a narrow stream of electrons, guided by means of alternating voltage, that could trace patterns on a fluorescent screen.
In the work's opening, a man dressed in a monk's robe stands with his hands in a position of prayer under a narrow stream of rice that rains upon him and accumulates at his feet.
Astronomers have caught their first-ever glimpse of the funnel that channels a fountain of subatomic particles, erupting from the center of a galaxy, into a narrow stream thousands of light-years long.
There are the waters of beauty and mystery, issuing from a gap in the granite world..." From Annie Dillard I learned this: that to observe the closeness of a narrow stream, or to observe the vastness of a dynamic ocean, takes a similar determination to place oneself inside the process, to listen and to watch.
This leads to a lot skim reading and jumping around the page, so having a more narrow stream of text that is easy to read or skim quickly in a top-to-bottom manner is much more effective than having a lot of points that extend from one complete side of the page to the other.
Repeatedly, lines of cars would be forced to stop at a little bridge that crossed a narrow stream at the base of the grade.
"The church is a very narrow stream of clean water".
