نتایج جستجو برای: law of importation
تعداد نتایج: 21183897 فیلتر نتایج به سال:
Mariner-like elements (MLEs) are widespread transposable elements in animal genomes. They have been divided into at least five sub-families with differing host ranges. We investigated whether the ability of transposases encoded by Mos1, Himar1 and Mcmar1 to be actively imported into nuclei varies between host belonging to different eukaryotic taxa. Our findings demonstrate that nuclear importat...
This paper describes the adaptation approach of reusable knowledge representation components used in the KSM environment for the formulation and operationalisation of structured knowledge models. Reusable knowledge representation components in KSM are called primitives of representation. A primitive of representation provides: (1) a knowledge representation formalism (2) a set of tasks that use...
The exportation of modern novel from European languages to other literatures has long been the object of study and has been, most recently, evoked in discussions of World Literature. The introduction of modern novel into the Persian literary system through translation occurred about the turn of the twentieth century. The genre was unprecedented in Persian and the concept of adabiyat wa...
Background. An international spread of Zika virus (ZIKV) infection has attracted global attention. ZIKV is conveyed by a mosquito vector, Aedes species, which also acts as the vector species of dengue and chikungunya viruses. Methods. Arrival time of ZIKV importation (i.e., the time at which the first imported case was diagnosed) in each imported country was collected from publicly available da...
The European Union (EU) has historically been free of a number of epidemic diseases of livestock and is approaching eradication of several others. This situation is put at risk by the importation of live animals and animal products. Animal products include products which are broadly described as veterinary biologicals. For the purposes of assessing and controlling risks, these fall into two gro...
In response to increasing prescription drug costs, more U.S. patients and policymakers are importing less-expensive pharmaceutical products from other countries. Large-scale prescription drug importation is currently illegal, but the U.S. Food and Drug Administration permits individuals to bring in 90-day supplies of drugs for personal use. As patient use of foreign-bought drugs has increased, ...
Gray markets, also known as parallel imports, have created fierce competition for manufacturers in many industries. We analyze the impact of parallel importation on a price-setting manufacturer that serves two markets with uncertain demand, and characterize her policy against parallel importation. We show that ignoring demand uncertainty can take a significant toll on the manufacturer’s profit,...
This paper describes a technique for importing automatically an external relational schema into Pegasus, a heterogeneous, multidatabase system. The Pegasus data model is a functional object model which supports specialization, object-identity, and nested aggregation. The import algorithm generates the definition of a Pegasus schema which captures the semantics of a relational schema containing ...
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