The phrase "a decrease in the thickness of" is correct and usable in written English.
It can be used in contexts discussing changes in physical properties, such as materials, biological tissues, or layers in various fields like science or engineering.
Example: "The study revealed a decrease in the thickness of the ice layer over the past decade."
Alternatives: "a reduction in thickness" or "a thinning of".
The computations demonstrate that magnitude of electric potential function is increased with a decrease in the thickness of the electrical double layer (EDL).
In fact, the replacement of sodium ions by aluminum ions in the double layer of the clay particles resulted in a decrease in the thickness of the particles' double layers.
An increase in pressure and temperature did not have any significant effect on hardness, whilst an increase in stand-off distance resulted with a decrease in the thickness of coatings.
The formation of ADZ species in electrolytes generates a decrease in the thickness of the porous medium which appears to control the growth of spongy deposits on the whole electrode.
Increase in TMJ loading simulated by vertical discrepancy or excessive mouth opening produced a decrease in the thickness of cartilage layers, an increase in the numbers of clast cells and degenerative changes in the condylar cartilage associated with the expression of bone resorption-related factors.
It is found that the coil diameters of CNCs gradually decrease with a decrease in the thickness of the catalyst films within a certain range, indicating that the coil diameters of CNCs can be effectively controlled by adjusting the thickness of Sn/Fe catalyst films.
Rajkowska et al. [ 34] found a decrease in cortical thickness of orbitofrontal cortex in depressed patients.
The decrease in width of the isotherms with increasing Zr concentration is due to a decrease in film thickness, leading to a decrease in the amount of hydrogen absorbed and hence the magnitude of the optical change.
In this condition, with a decrease in the formation pore pressure, the amount of absorbed gas decreases correspondingly and the thickness of adsorption layer gradually decreases.
A loss of the through-thickness constraint during the fracture initiation causes a decrease in the crack driving force.
Aging is associated with a decrease in skin thickness due to atrophy of the epidermis, dermis and subcutaneous fat.
