Past few years, the mobile technology and location based services have experienced a great increment in number of its users. The privacy issues related to these services are becoming main concerns because of the leakage of users’ private information and contents. To prevent revelation of private information, many researchers have proposed several secure and authentication schemes which apply va...

Standby techniques are used to improve system availability. Usually, a k-out-of-n:G standby system is assumed that when an operating component fails, a standby component becomes active and the system is working if at least k components are fault-free. In general, there are three types in component standby, i.e., cold, hot and warm standby. Cold standby implies that inactive components have a ze...

portant molecules, pyrimidine has played an important role in medicinal chemistry. A survey of literature has shown that compounds having a pyrimidine nucleus possess a broad range of biological activities such as anticancer (1), antiviral (2), antibacterial (3), antimalarial (4), antihypertensive (5) and anti-inflammmatory activities (6, 7). Moreover, chemistry and synthesis of 1,2,3,4-tetrahy...

this research investigate the potential of rhizobium leguminosarum b.v .phaseoli to improve growth and nutritional status of common bean (akhtar cultivar) at three levels of salinity of s0, s1 and s2 (0, 35 and 70 mm sodium chloride, or 0, 3 and 6 ds/m, respectively). the greenhouse experiment was conducted as a factorial design in randomized completely with three replications by using the ster...

complex regional pain syndrome (crps) is a variety of painful conditions following injury which appears regionally having a distal predominance of abnormal findings. this study, evaluate the use of phentolamine for sympathetic block and regional anesthesia in treatment of crps related pain. in this study, 68 patients with crps who were referred to pain clinics of imam hossein and akhtar hospita...

in order to investigate the effects of weeds interference on yield and yield components of different genotypes of common bean, an experiment was conducted as split plot based on randomized complete block design with three replications at agricultural research station of tabriz university, in 2011. the main plots were eight genotypes of different types of common bean including red bean, (cv. gho...

conclusion lumbar medial branch nerve block under ultrasound guidance was associated with high rates of treatment success and excellent treatment outcomes for facet joint pain. it is also feasible and administers no radiation. thus, ultrasound-guided procedures can be used instead of conventional methods. results the success rate was 98% (87/89 blocks), which was due to our use of ultrasound gu...