The phrase "as preparatory for" is correct and usable in written English.
It can be used to indicate that something is intended to prepare for or set the stage for another action or event.
Example: "The training sessions were designed as preparatory for the upcoming certification exam."
Alternatives: "as a precursor to" or "in preparation for".
Transition to Specialty Practice Programs was introduced to facilitate the transition of nurses to specialty practice, and is recognised as preparatory for emergency nurses.
We view the work presented in this paper as preparatory for a detailed investigation of liquid liquid interfaces with surface tension where the interfaces separate two immiscible fluids [On the pinchoff of liquid liquid jets with surface tension, in preparation].
The junta has described the elections and the adoption of a new constitution as preparatory for a return to civilian rule, although the military appears poised to retain a very influential role.
Simulation training is best thought of as preparatory for residents' participation in the OR, as skills beyond the fundamental level in open surgery and accommodation to the 2 dimensional environment for laparoscopic procedures are better learned in the OR under the guidance and coaching of an experienced mentor.
Participants described their role as "preparatory workers" for medical specialists and as being responsible for the "cleaning-up" when patients are referred to them after hospitalization.
"Readouts" extracted from the device serve as preparatory charts for eventual structures.
The "lower" studies of logic and ethics and the observation of nature came to be regarded as preparatory training for communion with the divine.
Meanwhile, the higher middle schools established in 1886 were remodeled into the kōtōgakkō, or higher schools, in 1894, and in the 20th century these higher schools developed as preparatory schools for the universities.
There are drawings that were made as preparatory studies for engravings, like de Gheyn's soldier, and drawings that make the fine clear lines required of an engraving study the occasion for a virtuosic performance.
Made between 1961 and 1968, these are not quick doodles done as preparatory drawings for paintings; they are finished drawings large in scale, many about three feet wide and two or three feet high.
Hong Kong parents generally perceive ECE as preparatory programmes for primary schools (Rao et al. 2009).
