The phrase "a certain depth of" is correct and usable in written English.
It can be used when describing a specific level or degree of something, often in a metaphorical or abstract sense.
Example: "The artist's work conveys a certain depth of emotion that resonates with the audience."
Alternatives: "a specific level of" or "a particular degree of".
But in returning to work, I was also trading in a certain depth of perception.
"We thought at the very least we should be able to answer a certain depth of queries".
However, GI coatings for the steels with both flash coatings consist of alloy phases up to a certain depth of the coating near steel interface.
Numerical simulation shows that continuous higher density region occurs early in a certain depth of the substrate, which blocks precursor transport into the deeper region.
An example of the distribution of frames at the nodes for a certain depth of the tree is given in Figure 3.
Most likely, the bond stress distribution around the surface of the plain round rebar S1, at a certain depth of embedment, say depth h, will be the same.
"But it also brings up all these ideas of sky and water, and by virtue of there being a certain depth to it, a kind of sexy mysticism.
You may not be great at coloring, or even drawing a straight line, but you have a certain depth to your way of thinking and feeling that comes through via creative outlets.
However, for point 6, through the examination for depth profile of resistivity, it was found that, value of resistivity decreases after a certain depth showing presence of clay layer.
This is the property of the earth that at a certain depth the temperature of earth is almost constant throughout the year.
It's kind of like a sponge throwing up seawater that's on top of it, and when that plate moves down and underneath the Eurasian plate and when it gets to a certain depth, it kind of squeezes the sponge and the water comes out of solution, and when you throw water onto the mantle it's kind of like throwing salt onto an icy sidewalk; it creates melting.
