"twofold process" is a correct and usable phrase in written English.
It means a process that has two parts or involves two steps. Example: "The research project required a twofold process of collecting data and analyzing results."
The construction of what Mitrany called "a working peace system" lay in a twofold process.
Dr. Myhrvold's solution to this challenge is a twofold process developed by the "Modernist Cuisine" laboratory team.
Map design is a twofold process: (1) the determination of user requirements, with attendant decisions as to map content and detail, and (2) the arrangement of content, involving publication scale, standards of treatment, symbolizations, colours, style, and other factors.
A crucial seed for his current work was planted when he embarked on building a harpsichord from a kit, during nights on call: "That twofold process of constructing something and then learning to play it brought a richness of perspective that bubbled up into something new," he recalls.
Here is a society that has generated its own grotesqueness, through a twofold process of alienation: the pre-crash boom has made strangers of all who didn't share in the green glow of dollar bills, while the exclusive hierarchy of Hollywood makes outsiders of the rest.
The election permitted by the policy is a twofold process whereby students vote first on whether to have a student speaker before football games at all, and second, if the students vote to have such a speaker, on who that speaker will be...
Her comments suggested that the challenge of gauging undergraduates' research abilities was twofold: the process of determining what undergraduates could and could not do, and coaching postgraduates in learning to navigate this process as they worked with undergraduates.
Washington needs to insist on a twofold reform process -- dismantling the jihad structures in Pakistan and restoring democracy there -- and link aid to progress on those fronts.
Nonetheless, the proposed methodology pursued within this project implies an effect from the twofold selection process, which lies in the differing decision rationales of project participants from the world of science and active policy-making.
Furthermore, the determination of l-proline and organic acids in vinegar is useful for several industrial goals such as the correct monitoring of fermentation, for the study of nutrient needs at all times during the twofold fermentation process and for the detection of possible adulterations in the final product.
The identification of efficient biological control agents (organisms used to regulate the demography of specific pest species, hereafter referred to as BCA) is, in the most favorable cases, the result of a twofold screening process, which includes both inter- and intraspecific levels of investigation.
