Sentence examples for be observed only with from inspiring English sources

Because these systems are very remote from the observer, the stars are faint, and their spectra can be observed only with difficulty.

C.T.E., as of now, can be observed only with an autopsy.

Micropaleontology involves the study of organisms so small that they can be observed only with the aid of a microscope.

Although they can be observed only with electron microscopes, the trees are still larger than nanotubes, those cylindrical molecules of carbon that have been the subject of so much recent research.

Isotopic tracers of this kind can be thought of as an invisible dye injected by nature into Earth systems that can be observed only with sophisticated instruments.

Now bacteria are usually examined under light microscopes capable of more than 1,000-fold 1,000-foldion; however, details of their internal structure can be observed only with the aid of magnificationerful transmission electron microscopes.

A spokeswoman for Boeing, Laurie Gunter, said that the lights were used on other planes and elsewhere on the MD-11, but that the damage has been observed only with the captain and first officer's map lights.

Among the bacteria tested, positive results were observed only with enteric fever causative bacteria.

Massing cyclic stress strain behaviour was observed only with the IST method.

Significant (P < 0.05) reduction in DNA level was observed only with neem oil (10 23%) and Bti (21 23%) treatments.

A substantial transcriptome change was observed only with DMI restriction, resulting in 312 (155 downregulated, 157 upregulated) differentially expressed genes.