Sentence examples for been used to observe from inspiring English sources

Because islands provide a controlled area for study, they have been used to observe the factors that affect species diversity.

Rosetta and Philae have been used to observe the comet since September last year and Philae landed on the comet, first discovered 1969, in November last year.

An Extended Kalman Filter (EKF) has been used to observe the unavailable states of the TRMS.

A stated preferences (SP) survey has been used to observe travellers' tendency of carpooling.

Finally, direct shadowgraphy [16], Fig. 1h, has also been used to observe plasma flows.

Therefore, a bonded interface technique has been used to observe the slip-steps due to shear bands evolution.

The pseudo-apartment, designed to test daily health care routines, will be used to observe volunteers behind two-way mirrors.

Doppler mode, which is used to observe blood flow to assess how organs are working and to detect obstructions in arteries, has been available since the 1980's.

MRI scanners were used to observe finger joints as they "clicked", showing that the noise is made by bubbles forming in fluid that lubricates the knuckles.

Transmission electron microscopy was used to observe the structures.

Scanning electron microscopy (SEM) was used to observe cell morphology.