"tighter boundaries" is a correct and usable phrase in written English.
It means having stricter or more limited limitations or restrictions. Example: "In order to better enforce safety protocols, the company has implemented tighter boundaries for employees regarding visitors and personal protective equipment usage."
Since design chemical process is operating close to tighter boundaries safely; much attention has been devoted to integrating design and control, in which the design decisions, dynamics, and control performance are considered simultaneously in some optimal fashion.
In order to design a process that operates close to tighter boundaries safely, much attention has been devoted to the integration of design and control, in which the design decisions, dynamics, and controlled performance are considered simultaneously in optimal fashion.
In order to safely approach tighter boundaries of process performance, much attention has been devoted to integrating design and control in which dynamic controllability as well the design decisions are taken simultaneously.
Within our tight boundaries, a million flowers bloom.
"They're brushing up against the tightest boundaries now, and they still have a reasonable expectation of getting their gifts".
She would also be less voluble, and in many ways less accessible, because there are tight boundaries around what Laura Bush is willing to offer for public consumption.
So do not stay within the tight boundaries of your work or studies, but interact!
(This one is tricky, but do your best and apply tight boundaries with tough love if nothing else).
There is simply too much information beyond the tight boundaries of normalcy, and it comes at us far too fast, for classical narrative techniques to keep up.
Many do it to offer their children a better life; others simply want to escape the tight boundaries of the clan.
The Commission noted that tight boundaries for Norwich would cause a problem for unitary government, but that an extension would likely be strongly opposed.
