The phrase "boundary at which" is grammatically correct and can be used in written English.
It is used to refer to a specific point or location where a boundary exists. Example: The river marks the boundary at which the two countries meet.
In particular, the dynamic model for the tumor or biomarker will be subjected to a lower elastic boundary at which the process either will be absorbed or reflected.
A junction is considered to be a boundary at which a number of dynamic systems may terminate.
Stability of a moving boundary at which fog forms or vaporizes is analyzed using techniques of existing work on stability of moving solid surfaces.
6.48am GMT 46th over: Australia 188-5 (Smith 47, Haddin 14) Smith slams Swann's first ball back over his head for six, and then Haddin gets away with another loose shot, which lands between Bresnan and the boundary, at which point his bat decides it's had enough and self-destructs.
The boundary at which the conflicting interests balance cannot be determined by any general formula in advance, but points in the line, or helping to establish it, are fixed by decisions that this or that concrete case falls on the nearer or farther side.
A yield stress model for the fluid rheology gave a boundary at which the fluid velocity fell to zero (cavern boundary) which moved outwards with increasing impeller tip speed.
The Voronoi diagram — named after the 19th-century Ukrainian mathematician Gyorgy Voronoi — describes both the location at which the fires are set and the boundaries at which adjacent fires meet.
This document serves as an introduction to application- layer policies for SIP, discusses the architectures of network boundaries at which policies might be deployed, and provides examples of policies tailored to particular network services.
The model predicts all possible special β grain boundaries at which GBα is able to maintain BOR with both β grains.
The analogue of caustics appears in space-time along the boundaries at which the number of participating modes jumps.
Scientists have struggled to understand why there are volcanic hot spots in places like Hawaii and Yellowstone National Park, far from the grinding tectonic plate boundaries at which volcanoes normally appear.
