The phrase "a result a substantial" is not correct in written English.
It seems to be a fragment and lacks proper structure.
Example: "The study showed that a result of a substantial increase in productivity was achieved."
Alternatives: "an outcome of significant" or "a consequence of considerable".
As a result, a substantial reduction of the design time is achieved.
As a result, a substantial number of companies and contractors have spent significant time and money developing a wide-array of simulators, virtual reality programs, and the like.
As a result, a substantial improvement of the DC current gain (by a factor of 2 3) and high-frequency operation performances (with fT and fMAX values up to 10 GHz) can be easily achieved with the proper use of varying base thickness XB and dopant-graded base.
As a result, a substantial part of the structure may collapse, causing greater damage to the structure than the initial impact.
As it turned out, all but one of our interviewees had breastfed their infants, and as a result, a substantial portion of many interviews was devoted to discussing women's experiences with and rationales for breastfeeding their babies.
"The church has responded to the crisis, and as a result, a substantial decrease in the number of sexual abuse has come about at present," it added.
Section 18 states that American laws are not given extraterritorial application except with respect to conduct that has, as a "direct and foreseeable result," a "substantial" effect within the United States.
His Brobdingnagian compensation is a result of a substantial stake in the company.
It came into existence as a result of a substantial bequest from Mrs. Frank Leslie to Carrie Chapman Catt, the head of the National American Woman Suffrage Association NAWSAA).
UK trade data showed the deficit falling from £3.1bn in July to £1.9bn in August, though mainly as a result of a substantial drop in imports from non-EU countries rather than the hoped-for surge in exports.
Throughout the product life cycle, medical devices would significantly consume renewable as well as non-renewable resources and as a result exert a substantial social, economic and environmental impact(s).
