نتایج جستجو برای: during 2011 and 2012
تعداد نتایج: 17085456 فیلتر نتایج به سال:
background measures taken over the past four years in greece to reduce pharmaceutical expenditure have led to significant price reductions for medicines, but have also changed patient cost-sharing rates for prescription drugs. this study attempts to capture the resulting increase in patients’ out-of-pocket (oop) expenses for prescription drugs during the 2011-2014 period. methods the authors ...
Solution 1.1.1. The prime factorization of 720 is 2 · 3 · 5. If we look only at the prime factors of x, y, z, we see that the exponents of 2 in the factorizations of x, y, z must sum to 4, the exponents of 3 must sum to 2, and the exponents of 5 must sum to 0. The number of possible triples (a, b, c) that correspond to the exponents of 2 in the prime factorizations of x, y, z is simply the numb...
Received: 16 Oct, 2012 Accepted: 16 Des, 2012 Background & Aims : Human health has faced serious risks due to air pollution as a consequence of urbanization. So the World Health Organization has reported more than 1.3 million premature deaths due to urban air pollution in 2010. Continuous monitoring of air quality to determine pollutants and identify their emissions sources are considered a...
this thesis is presented 10 ghz voltage controlled ring oscillator for high speed application. the voltage controlled ring oscillator was designed and fabricated in 0.13یm cmos technology. the oscillator is 7-stages ring oscillator with one inverter replaced by nand-gate for shutting down in the ring oscillator during idle mode. tri-state inverter was used to control of 126 bit vector in ri...
in this study, the earthworms of tehran province were investigated. specimens were collected from wet soil in 48 stations during 2011 and 2012. during the course of the study, eight earthworm species were identified, including: aporrectodea caliginosa (savigny, 1826), ap. rosea (savigny, 1826), dendrobaena veneta (rosa, 1886), dendrodrilus rubidus (savigny, 1826), eisenia fetida (savigny, 1826)...
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