The shortage of fertile land suitable for cultivation prevented the development of a truly agricultural economy.
But complex logistical problems around waste collection and segregation, and the absence of a recycling infrastructure, had prevented the development of a closed-loop system.
Interestingly, metacercariae challenge of resistant rIL-25-treated mice induced a peak of IL-12p35, theugh the presence of IL-25 prevented the development of a Th1 phenotype as it occurs in primary infections in naïve mice.
Especially the standards for regular charging are clearly designed to comply with local regime rules and that these rules have thus prevented the development of a global standard.
The technology, materials and skills needed for these deep retrofits are all available and well understood, but the UK's failure to put them into practice has prevented the development of a large industry carrying out such work.
But it would be a calamity if rows about the environmental effects of fish farming prevented the development of a new industry, with the potential to supply most of the world's fish.All farming alters, and sometimes damages, the environment.
Mr. Romney, who helped found a hugely successful private equity firm, argues that the existing tax system penalizes those who do not acquire their health insurance through their employer, and that has prevented the development of a vigorous, affordable health insurance market.
This may have prevented the development of a severe form of coagulopathy.
Psychoanalyst Erik H. Erikson states in his book 'Child and Society' (1950) that Germany's Nazi past might be a consequence of governmental fragmentation, thus also cultural, which prevented the development of a solid national identity.
IL-22 neutralizing antibodies also prevented the development of a psoriasis-like disease that is induced by the transfer of BALB/c CD4posCD45RBhi T cells into SCID mice [28].
