Not for commercial use:

Although use in the course of research funded by a commercial organization is not deemed commercial use and is permitted, use in the course of research funded by a commercial organization for the purpose of contract research is deemed commercial use and is not permitted.

Standard use restrictions also reply, as follows:

Use of many of these resources is governed by license agreements which restrict use to the MIT community and to individuals who use the MIT Libraries’ facilities. It is the responsibility of each user to ensure that he or she uses these products only for individual, noncommercial use without systematically downloading, distributing, or retaining substantial portions of information.