The phrase "and proceeded at the" is grammatically correct and can be used in written English.
It is typically used to indicate the continuation of an action or movement after a previous event or instruction.
Example: "After receiving the green light from the manager, the team gathered their materials and proceeded at the designated time to the conference room."
Alternatives: "and moved at the" or "and continued at the".
Deliveries from Brighton works began in May 1945 with prototype No. 21C101 Exeter, and proceeded at the rate of about two locomotives per month.
While tumour regrowth after PDT, when it occurred, commenced at the same time in sgp130 and control groups, and proceeded at the same rate, sgp130 reduced the tumour cures observed with PDT alone.
Similar to the experiments with sgp130, tumour regrowth after PDT, when it occurred, commenced at the same time in Hyper-IL-6 and control groups, and proceeded at the same rate.
In vivo, hIAPP aggregation may start and proceed at the water-cell membrane interface and anionic lipid membranes strongly enhance the process of hIAPP fibrillization which is causally linked to membrane disintegration and cell degeneration.
And a very lovely album it is, a timeless combination of Brian Wilson influences and drowsy country-tinged guitars, flecked with piano and proceeding at the pace of a maturing whisky.
These respective values represented 1/7 and 1/3 of hexose concentration in ripe berries (not shown), indicating that sugar storage had just began in the VS samples, and proceeded at maximal rate in the VC ones.
The captain ignored cries to steam for shore and proceeded at top speed through the perilous waters known as Hell Gate to North Brother Island, a mile ahead.
While it is true that fertility declined in all regions, such decline started at very different moments and proceeded at very different speeds in the various regions.
The initial rates of reduction of substituted nitrobenzenes showed only a tiny substituent effect and proceed at nearly the same rate as the carbon-catalyzed decomposition of hydrazine leading to the conclusion that hydrazine reaction at the carbon surface is the rate determining step.
Isomerization between Glc and Fru proceeded at the temperature as low as 403 K and was accelerated by Pt-PEI and H2.
On the other hand, the work was performed at home (known as the cottage system or domestic system) rather than in a factory, and work proceeded at the worker's pace.
