The phrase "alternately closed" is correct and usable in written English.
It can be used to describe a situation where something is closed in an alternating manner, often referring to doors, gates, or similar objects.
Example: "The gates were alternately closed to control the flow of traffic during the event."
Alternatives: "intermittently closed" or "periodically closed".
Moreover, if the experimenter tries to determine which slit each photon goes through say, by alternately closing one slit and then the other the interference pattern really does disappear.
The art effectively captures the roil of emotions through the form of the savage himself; his boyish frame alternately closes in on itself in a hunched bundle and extends to a wild and violent grace, and his broad face with its sensual lips and asymmetrical eyes stares forth in an anguish that is by turns furtive and confrontational, charting the rhythms of Blue's own path through grief.
"This effect is called parallax, and can be demonstrated by holding your finger close to your nose and alternately closing each eye".
The subject was instructed verbally via a speaker to alternately close and open the eyes in intervals of 20 s.
Besides the classic circuitry, including two valves (on the inspiratory and expiratory limbs) alternately closing and opening, bilevel positive airway pressure (BPAP) ventilators are simpler and, therefore, lend themselves to home mechanical ventilation [ 14].
In this experiment, the shutter of the X-ray source was alternately opened and closed for periods of 30 s with a fixed dose rate of 7 mGy/s.
In single-needle systems, clamps on the arterial and venous lines are opened and closed alternately in order to pump blood from and to the patient through the same lumen.
I scurried behind the couch, alternately opening and closing draperies, trying to get the sunlight to cooperate.
Using a light source illuminating the neck of the mouse, we can clearly observe the glottis opening and then closing alternately.
Continue alternately stacking or closing pages until finished.
Alternately, you can close the comments but leave them visible and comment on the incident, if you choose.
