The phrase "a train of five" is correct and usable in written English.
It can be used to describe a sequence or series of five items, often in contexts like transportation or events.
Example: "The conductor announced that there would be a train of five cars departing from the station shortly."
Alternatives: "a series of five" or "a lineup of five".
This bias scheme comprises a train of five SET/RESET voltage pulses of 6 V/1 μs SET and −6 V/1 μs RESET and the full sequence is cycled eight times.
In 1981, Gilles Villeneuve drove a masterful race in the uncompetitive Ferrari turbo to hold off a train of five cars for virtually the entire grand prix, with all five covered by less than 1.25 seconds at the flag.
In all experiments, each trial consisted of a train of five stimuli.
TMS was delivered at the onset of the standard tone, and was a train of five pulses lasting 500 ms, 10 Hz in frequency.
Voltage dependent currents were elicited by a train of five depolarizing voltage steps to +40 mV once every 500 ms, from a holding potential of −50 mV for glycosylated (Figure 5A, bottom left panel) and unglycosylated (Figure 5A, bottom right panel) Kv3.1 channels.
At each intensity step, ERG b-waves were recorded from a train of five 200 ms flashes, each separated by 200 ms rest periods.
The simulated process involves a train of eight continuous stirred-tank reactors operating at 10 °C.
A train of twelve closed freight cars left on the evening of February 22nd, packed with six hundred and fifty people.
There is a train of ten de-luxe carriages waiting in the yards with steam up, and who's in one of them but the girl?
You need the prayer more than anyone else right now".' The runaway engine had been part of a train of three locomotives, one disabled, that arrived in the Fresh Pond railyard Wednesday afternoon, Mr. Dobranetski said.
A train of four camels and four walkers will leave the city of Salalah on Oman's southern coast and trek through present-day Saudi Arabia, moving from desert well to desert well and sleeping in the open.
