Sentence examples for however difficult to detect from inspiring English sources

That a damaged neuron should show degenerative changes, however difficult to detect, is not unexpected, but the interdependence of neurons is sometimes shown by transneuronal degeneration.

It is, however, difficult to detect gene flow occurring shortly after the two species separated (Becquet and Przeworski 2009), so we cannot rule out that some gene flow has occurred since the split.

However, it is still difficult to detect all MCs in mammograms because of the poor contrast against the tissue that surrounds them.

However, DAI is still difficult to detect by conventional MRI, and the presence of pathology may not be detected in cases of mTBI.

Hepatic nodules, however, were difficult to detect with our scanning protocol (2/7).

However, it is difficult to detect the transmission of ACK due to its very short length.

However, it is difficult to detect the amount of Mn3+ by chemical titration method.

However, it was difficult to detect small weight molecules by peptide-based biosensors because of slight structural changes from the specific bindings.

However, it is difficult to detect localized near-surface fractures from phase velocity of surface waves derived from conventional surface seismic data.

Sometimes, however, it is difficult to detect traffic sign, which may be obscured by other objects or affected by illumination or lightning reflections.

The element fluorine, however, had proved difficult to detect because Earth's atmosphere blocks the wavelength absorbed by hydrogen fluoride, the fluorine compound thought to be most common in space.