Sentence examples for have observed only from inspiring English sources
For decades, astronomers have observed only the effects of dark matter, in the form of mysterious gravitational forces that seem to hold together clusters of galaxy that would otherwise fly apart.
If, for instance, acetate would be used by the cell only in absence of glucose, we would have observed only hyperbolic trends in the heatmap displaying cumulative rates of acetate labeling samples.
However, obtaining robust inference of the ongoing dynamics is problematic given that we have observed only a "snapshot" of the dynamic ecosystem.
In dark condition, we have observed only one electron resonant peak which was associated to the resonant tunneling through the second confined level e2 in the QW.
Some researchers have observed only the uniformity in distribution of reinforced particles or whiskers in the matrix phase, whereas others have investigated thoroughly for the metallurgical aspects of metal matrix composites through a high-resolution microscope.
Normally, the main Raman peaks from the different phases potentially present in CZTS system are CuS (~267 cm−1), SnS (~220 cm−1), SnS2 (~202 cm−1), Sn2S3 (~234 cm−1), ZnS (~219 Cu2SnS3Cu2SnS3 (~290 cm−1) and Cu2ZnSnS4 (~337 cm−1) [28].However, in present study, we have observed only a Raman peak in the range 334 338 cm−1 suggesting the existence of single phase CZTS films.
In 1973, he had observed only five instances of interracial sex; by 1980, he told me, the number was closer to twenty-five.
The anti-lawn treatise attacks both the idea of the velvety expanse — David Quammen has observed, only half jokingly, that though Communism has fallen, "lawnism" continues — and the real labor that goes into pursuing it.
Neel was born in 1900, into a middle-class Philadelphia family, at a time when, as Henry James had observed only 19 years earlier, to be a lady was to be a portrait.
The longtime journalist and author says he has observed only one candidate reach those heights during the current primary fight; that was former Senator Rick Santorum of Pennsylvania during his (semi- victory semi- victorythe Iowa caucuspeech
As Media theorist Friedrich Kittler has observed: 'Only the revolution replacing real numbers and their infinite number of places behind the decimal point with calculable quantities of whole numbers has been able to bring about the modern manipulation of images.î [nterview 1992].
