Sentence examples for main light period from inspiring English sources

Air temperature was 18°C during the main light period, otherwise 15°C.

In LD, incandescent lamps were used for low-intensity daylength extension (5 ± 1 μmol m-2 s-1 at plant height) after 12 h main light period.

The main light period (the shortest photoperiod in each experiment) was given during natural day, which was 7 – 12 h during the experiments (October – March).

During the main light period plants were illuminated by HPS lamps (90 ± 10 μmol m-2 s-1 at plant height plus natural light), and incandescent lamps were used for low-intensity daylength extension (5 ± 1 μmol m-2 s-1 at plant height), yielding nearly equal total irradiance in all photoperiods.

Before each change, the fronts of half of the nests were videotaped during the light period, and the behaviour throughout the main laying period was analysed.

The main effects of uranium on the sleep wake cycle were an increase in rapid eye movement sleep (REM-sleep) and theta band power during the light period, as early as Day 30 after exposure commenced.

Enriched compartments were visited significantly more frequently during the light period than during the dark period.

The black bars indicate the dark period and the white bars indicate the light period.

Side lighting is when the main light source shines on the subject from the side.

Experiments were conducted during the light period.

There were no changes in activity during the light period.