در این کار پژوهشی، نمونه‌های هیدروکسی اپتایت آلاییده با ناخالصی‌های سریم، گادولونیم و ترکیبی از دو ناخالصی به روش هیدروترمال سنتز شدند. منظور بررسی فازهای بلوری تشکیل یافته هرکدام شده، کد MAUD که یک نرم‌افزار برای تجزیه تحلیل ساختار ماده استفاده پراش بر اساس ریتولد است، شد. پاسخ دزیمتری ترمولومینسانس نمونه‌ها مورد قرار گرفت یافته‌ها نشان داد نمونه‌ ترکیبی، سطح میانی است. مشخص شد افزودن سریم می‌...

The rapid growth in the number of users of mobile communications means that many operators must find new ways of increasing the capacity of their networks. Their options include allocating more frequency, introducing frequency-hopping techniques, and adding microcells and adaptive antenna systems. The introduction of new frequency bands at 1800 and 1900 MHz is an example of allocating frequency...

Th e paper examines the host country-specifi c factors as determinants of hotel chains' market presence in a destination. Th ree types of hotel chains' market presence are identifi ed – absolute market presence (number of chain affi liated hotels/rooms), relative market presence (share of affi liated hotels/rooms in the total number of hotels/rooms in a destination) and market presence intensit...

adolescents who engage in risky behavior. The third group comprises adults who work with electricity. Electrical burns account for between 3% and 7% of admissions to burn centers in the United States each year, many of which are occupational injuries. The annual occupational death rate from electrocution is 1 per 100,000; this type of death occurs more frequently in utility workers, miners, and...

Peace is commonly considered as 'absence of war'. Nevertheless, peace the so called 'positive peace' (Galtung, 1996) – implies a lot more than this. It implies the creation of a society based on social justice through equal opportunity, a fair distribution of power and resources, equal protection and impartial enforcement of law, and above all, mutual cultural understanding and respect. Th us, ...

Th is paper provides an economic analysis of a proposed zoning change that will enable the City of Treasure Island, Florida, to attract more tourists. Th e proposed zoning change would result in hotel renovations and new hotel construction in Treasure Island, Florida. Th e study uses tax analysis to see how the change would increase taxable property values as well as increase revenues from the ...