ronmental issues. Despite oversight by U.S. federal and state regulatory agencies and despite sustainability efforts within the aquaculture industry, advocacy groups and the public are concerned about the effects of aquaculture on the environment. Specific concerns include the effects of effluents and nutrient-loading; water, land and energy use; feed composition; drugs and chemicals; and food ...

We consider the question of which valuation domains (of cardinality א1) have nonstandard uniserial modules. We show that a criterion conjectured by Osofsky is independent of ZFC + GCH. 1991 Mathematics Subject Classification. Primary 13L05, 03E35, 13C05; Secondary 03E75, 13A18.

aims: non-communicable diseases have become an emerging pandemic globally with disproportionately higher rates in developing countries. this study aimed to design a representative model of non-communicable diseases determinants in iran according to the viewpoint of experts. participants & methods: the statistical population of this qualitative study was experts and academic member informants, w...