Sentence examples for are often not viable from inspiring English sources

Experimental methods for 3D structure determination, mainly Nuclear Magnetic Resonance (NMR) spectroscopy and X-ray crystallography, are often not viable for studying oligosaccharide conformations in high detail.

Even the alternatives available under the three-month provision for those who cannot find work are often not viable.

Owing to the inherent properties of MM, surgical resection or radiotherapeutic intervention are often not viable treatment options (Palumbo et al, 2008).

The fungus Banksiamyces toomansis, of the order Helotiales, infects older cones and seed, and hence seed older than about five years is often not viable.

Given the massive volume of administrative data, such an audit is often not viable.

Due to the relatively large size of fluorescent proteins and potential complications of protein folding, sorting, and function sometimes observed when adding a large protein tag to a target, genetic addition of fluorescent proteins is often not viable for studying protein biology in cells.

She emphasized, however, that loan assumptions are often not a viable option for first-time buyers if the seller has accumulated substantial equity in the home.

Isoprenoids (terpenes/terpenoids) have many useful industrial applications, but are often not produced at industrially viable level in their natural sources.

Simple market-based solutions such as partitioning of an ecosystem, attributing property rights and applying the polluter-pays-principle are often not sufficient for devising viable strategies.

Insuring people with known pre-existing conditions at a reasonable, affordable rate is often not commercially viable.

In countries where the energy infrastructure is under-developed and few towns are adequately electrified, extending the grid is often not financially viable, and certainly not likely to happen in the short to medium term.