The phrase "an increase in the diffusion" is correct and usable in written English.
It can be used in contexts discussing the growth or expansion of the process of diffusion, often in scientific or technical discussions.
Example: "The study revealed an increase in the diffusion of pollutants in the water supply over the past decade."
Alternatives: "a rise in the diffusion" or "an enhancement of the diffusion".
The role of temperature during events is attributed to an increase in the diffusion of DOC, and therefore its transport.
This consequently would lead to longer charge carrier lifetimes and an increase in the diffusion length of electron-hole pairs excited within the bulk.
Thus, the increase of AB-FFS concentrations results in an increase in the diffusion rate of dye into pores of the beads.
Gas molecules with decreasing the charge of these aggregates and with their screening effect on the electrostatic interactions lead to an increase in the diffusion coefficients.
Addition of DPPC (0.02%, w/v) to the SLF dissolution media resulted also resulted in an increase in the diffusion coefficient value.
In addition, in comparison with pure ILs, the presence of SO2 leads to an increase in the diffusion coefficients, conductivity, density and heat capacity of the ionic species of the IL/SO2 gas mixtures.
This increase in the anodic diffusion path leads to an increase in the anode diffusion polarization, which caused the exergy efficiency to drop as shown in Fig. 11 (middle).
Recently, using diffusion-weighted imaging (DWI), an increase in the apparent diffusion coefficient (ADC) value of the tumour has been described with RT response [22].
The result is an increase in the effective diffusion coefficients of cations entering the DGT sampler and a decrease in the diffusion coefficient of Na+ leaving the DGT device to fulfill electroneutrality.
This then causes an increase in the surface diffusion coefficient as in Equation 2.
Dynamic swelling of the nanocomposite membranes suggested an increase in the water diffusion coefficient with increasing PHEMA-grafted FS loading and PHEMA grafting.
