The phrase "a main difference in" is correct and usable in written English.
It can be used when discussing or comparing two or more subjects to highlight a significant distinction between them.
Example: "A main difference in their approaches to problem-solving is the emphasis on collaboration versus individual effort."
Alternatives: "a key difference in" or "a significant difference in".
A main difference in the protocols is the dosage of midazolam.
A main difference in this paper is however that the methodology is altered to rank freight flows according to their potential for modal shift from greater to smaller.
There is a main difference in the calculation of short-circuit current density (J sc) and efficiency between the single nanowire and nanowire arrays, that is, the area used to divide the short-circuit current (I sc) is the top surface area of nanowire in the single nanowire case, instead of the substrate area in the case of nanowire arrays.
It should also be noted that a main difference in A1 latency distribution was due to an increase in longer-latency neurons in PA vs. control rats, as shown by the rightward shift in the cumulative probability distribution of the onset vs. intensity plot (Fig. 1D).
There is a main difference in the diagnosis of extreme hydrocephaly, alobar holoprosencephaly and porencephaly.
A main difference lies in the representation of disease entities by features that are eventually compared to obtain a figure of similarity.
A main difference between blockers in this paper and [37] is that blockers are required to communicate to surround the prey agent.
A main difference of joint development, in comparison to betterment tax and TIF, is that it does not require identifying the direct and indirect impact of transportation infrastructure in order to be implemented, as in the case of the two aforementioned mechanisms [7, 72].
Except from other species differences between humans and rats, a main difference is the absence in rats of a gallbladder as a reservoir of bile.
In panel A of Table 1 we present the main difference-in-differences results.
These results show that cell proliferation/apoptosis is a main difference between these lines, especially in early age, these processes may be directly linked to the barrier function of the gut.
