The phrase "a substantive work on" is correct and usable in written English.
It can be used when referring to a significant or meaningful piece of writing or research focused on a specific topic.
Example: "The author has produced a substantive work on climate change that contributes to the ongoing debate in the scientific community."
Alternatives: "a significant study on" or "a meaningful analysis of".
You might have thought he would have begun his important recital at Carnegie Hall on Monday night with a substantive work to showcase all these qualities.
This will include 3 to 4 general meetings and 2 to 3 small group meetings per semester as well as substantive work on assignments.
Senator Bernard Sanders, the Vermont independent who is allied with Democrats, said the new approach "will combine the substantive work on policies to help middle-class working families with the savvy and skills needed to communicate those policies to the American people".
Initiated by a select group of Yale Law students with backgrounds in international affairs and overseen by Gewirtz, the workshop seeks to connect today's leaders with talented students through substantive work on current issues in American national security and foreign policy.
Indeed, Sa'adiah's Beliefs and Opinions is the only extant, substantive work on Jewish philosophy that Ibn Ezra mentions by name.
According to Malika El Atifi, Head of Child Protection at UNICEF Morocco, UNICEF has been conducting substantive work on this issue for several years.
However, the substantive work done on the report began more than one year ago and was completed before recent political events in Thailand.
As I mentioned above, outsourcing administrative steps of the patent process, such as PCT national stage filing, is an effective way of reducing patent costs without affecting your relationship with outside counsel who would still handle the substantive work later on.
A fully autonomous mission, in an ideal case, could be deployed, perform most of the substantive work itself (possibly relying on human assistance for dealing with any unexpected or unexplained occurrences) and return an answer to a scientific question along with data selected to allow scientists to validate software performance.
Coding occurred independently first by SN, with meetings of the entire research team occurring to discuss the coding and focus it on the substantive work processes, followed by a return to the data by SN to draw out the particular details and instances of identified work processes.
