Sentence examples for difficult measurements from inspiring English sources

Difficult measurements were discussed and a subset of 20 random cases were measured independently by 3 of the authors and the correlation between the observations was calculated.

Kirshner gives a detailed, opinionated account of how these extremely difficult measurements -- made by observations of exploding stars, or supernovas -- became possible in the last 25 years.

Dr. John Peacock, a professor of physics and astronomy at the University of Edinburgh, said that even larger surveys would be needed to ensure that the difficult measurements were correct.

—Ralph J. Cicerone And it's not rocket science — but very, very difficult measurements to make under these weird-shaped ice formations that lean out over the oceans, where you can't get boats in, it's hard to get submarines in, you can't do it by satellite.

The researchers "did a great job" on difficult measurements, says John Landrum, a pigment chemist at Florida International University in Miami.

Non-rainfall events like dew or hoar frost formation are often neglected in the water budget, because either assumed to be too small or their determination requires time consuming and difficult measurements.

Dr. Bennett and his colleagues have spent the time taking a much more difficult measurement, in effect using spacecraft antennas to measure the polarization of the Big Bang microwaves.

Dr. Margon said the result would be controversial "because it is a very difficult measurement," and Dr. Lanzetta himself said his conclusions would require further analysis and observations.

In examining the legacy of the Cultural Revolution, the most difficult measurement cannot be quantified so precisely: What effect did the Cultural Revolution have on China's soul?

But for consumers to compare one hospital with another in a meaningful way, they need to know a lot more — including the rates that have been negotiated between hospitals and insurers, the listed prices for outpatient treatments, and the quality of care provided, a difficult measurement that is in its infancy.

However, the pulsed characteristic creates a difficult measurement problem.