"particularly substantial" is correct and usable in written English.
It is used to emphasize the importance, size, or impact of something. For example: "The financial losses associated with this project were particularly substantial."
But Salzburg has been making up for its historical neglect ever since, and this summer's festival looks particularly substantial.
The intervention had particularly substantial effects on science and maths GCSE results for up to half of those involved, closing 50% of the attainment gap between pupils eligible for free school meals and other students.
"In addition, there are certain groups where there may be particularly substantial benefits, such as those who find conventional cycling or other forms of exercise unappealing; or who would value the time savings from being able to combine travel and activity; or who find the hills around their neighbourhood off-putting".
The economic impact of drought on the Midwest, specifically on the state of Iowa, is particularly substantial because of the region's reliance on agriculture.
"The executive orders are the only substantive things that he's accomplished," Chafe said, adding that even those have not been particularly substantial.
Thus, results describe average conditions; annual variations in cyanobacterial bloom intensity may be particularly substantial [6].
The finds in North Texas, beginning with the 1917 strike in Ranger west of Dallas-Fort Worth, were particularly significant, bringing substantial industrialization to the area.
And it is the second sense of 'immaterial' that gives us a key for understanding what Thomas means by a "material form," particularly a material substantial form.
The proportion of children living in poverty in Canada and Australia rose in the 1980s and 90s, as a result of economic restructuring, welfare state cuts, and changes in family structure, particularly the substantial increase in single parent families.
The building dates from the 14th century, although a number of changes have since been made, particularly a substantial 19th-century restoration by Sir George Gilbert Scott.
Any previous weight loss or gain, particularly if substantial, may modify the blood concentration of these pollutants.
