Peter H. Smith, a scientist at the University of Arizona and principal investigator of NASA's Phoenix Mars mission, said that perchlorate salts were relatively stable and that their presence would not pose an impediment to potential life forms.
While these mechanisms are critically required to help cells survive under dynamic physiological circumstances, they also pose an impediment to the effective treatment of cancer.
Risks due to the occurrence of climatic aberrations pose an impediment to the economic growth of the households in vulnerable regions.
And in some places, parking and building code regulations pose an impediment.
Traditional norms, if inflexibly applied, can pose an impediment on a child's development.
While the D.N.C. and R.N.C. are the institutions designed to direct research like this, to conduct voter mobilization, to spearhead fund-raising, and to act as broker between competing primary candidates, campaign reform prohibiting party committees from accepting contributions in excess of $32,400 clearly poses an impediment.
Jeh Johnson, the general counsel for the Defense Department, reassured them that the certifications wouldn't pose a serious impediment, one of them recalled.
However, power differences in the decision-making context can pose a serious impediment to fair priority setting in health care organizations.
Meanwhile, Brendan Raedy, a public affairs officer and spokesperson for ICE, stated that "the pendency of an application for a U nonimmigrant visa does not pose a legal impediment to removal of an alien subject to an administratively final order of removal.
To determine whether native miRNA cDNA secondary structure might pose a general impediment to RCT, we exposed the four COLIGOs encoding miR-19a and miR-122 to T7 and E. coli RNAPs in vitro (Fig. 3A).
Insect-vectored diseases, such as malaria and dengue fever, continue to pose a substantial impediment to global health.
