Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Scanning electron microscopy (SEM) images of the cross-section of the TFC membrane prepared at various TMC concentrations (MPD concentration is fixed at 2%). (a) 0.01%, (b) 0.05%, (c) 0.1%, (d) 0.2%, (e) 1%. Reproduced from reference [60] with permission from Elsevier (2017).
