Sentence examples for to occur either from inspiring English sources

The droughts, he believes, tend to occur either in step with the 11‐year cycle or with one of 20 to 22 years.

The peroxide reduction mechanism is determined to occur either on a UV-containing surface layer of composition UIV1−2xUV2xO2+x or on an adsorbed UV-containing surface intermediate depending on the surface composition which is determined by solution pH and H2O2 concentration.

Thermal springs are found to occur either near the contact of two geological units or along prominent tectonic units in the Peninsular Shield.

However, this isn't happening, nor is it likely, short of a major war, to occur either this year, next or even the year after.

More to the point, what does this kind of conduct say about those who do it and those who allow it to occur (either wittingly or unwittingly)?

The "moment of creation" is said to occur either at 40 days or when the bones and arteries begin to form.

Exposure to these substances may occur either by air or by consumption of contaminated food.

This may occur either due to an inherent or an acquired resistance to docetaxel.

Past research has linked certain health risks to menopause that occurs either very early (before age 40) or late (age 55 or older).

Autocatalytic conversion of trypsinogen to trypsin then occurs (either in plant tissues or during extraction).

That idea hadn't seemed to occur to either of them.