background: with the introduction of computed tomography in diagnostic radiology a new and fundamentally different imaging modality has become available. meanwhile, it is clear that the absorbed doses by the patients during ct were relatively high in comparison with those of other diagnostic radiology techniques. the aim of this survey was to determine the average absorbed dose in yazd province...

using toys may be dangerous like other things. in many cases, children are exposed to injuries from the toys which need special protection. since many parts of toys are importing from other countries and many companies and persons are involved in the circle of its production, supply and retailing, determination of the liable person or allocating the liabilities among different persons in such c...

Objective: Malaria is an infectious disease commonplace in tropical countries. For many years, major antimalarial drugs consisted of natural products, but since 1930s these drugs have been largely replaced with a series of synthetic drugs. This article tries to briefly indicate that some plants which previously were used to treat malaria, as a result of deficiencies of synthetic drugs, have rev...

Hydrogenation of free-standing silicene, the two-dimensional allotrope of silicon, is investigated in detail using first-principles methods and compared with the adsorption of H atoms on graphene. Similarly to graphene, chemisorption of a single H atom on silicene induces the formation of a semilocalized state around the adatom, a sharp peak in the density of states at the Fermi level which act...

Since the Pinochet dictatorship in the 1970s, Chile has carried out neoliberal reforms. Successive governments have promoted exports, reduced tariffs, welcomed foreign investment, and pursued bilateral and regional trade agreements, including the recent U.S.-Chile Free Trade Agreement. Unlike most countries in the region, these reforms have produced rapid growth. Real growth rates in the 1990s ...

Background: Cancer is defined as the uncontrolled growth of abnormal cells and the second most common cause of death across the world. More than half of new cancer cases are reported in developing countries, the prevalence of cancer is on the rise in these countries due to the lifestyle risk factors associated with cancer. It is predicted that cancer will become the main cause of death worldwid...

bottleneck in state courts and consequence resulting form it and the advantages which the disputes settlement has outside the court for governments and especially the parties to dispute led to increasing promotion of arbitration and use of new method of dispute settlement which are described as “alternative dispute resolution” (adr) are described. meanwhile, many of this method settle the dispu...

Over the past two decades, the role of intellectual property rights in all areas of science and technology has exploded globally– primarily due to the rules prescribed by the World Trade Organization’s TRIPS and by bilateral/regional trade agreements. The TRIPS agreement obligates all WTO member countries to adopt and enforce minimum standards of intellectual property rights. The TRIPS agreemen...