نتایج جستجو برای: روش mac
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Introduction: Musculoskeletal disorders are the most prevalent problem in the workplace. Unsafe manual material handling is amongst important causes of such disorders. Unsafe manual material handling can result in different musculoskeletal disorders such as acute physical injuries and increase of strain in back, shoulders and arms. United state society of orthopedic surgeons ranked back pain a...
INTRODUCTION Mycobacterium avium complex (MAC) is responsible for a large portion of non-tuberculous mycobacterial (NTM) infections worldwide. Host factors such as active malignancy, immunosuppression, chronic obstructive pulmonary disease (COPD) and bronchiectasis increase the risk of MAC infection. However, the relationship between previously treated lung cancer with subsequent development of...
manual material handling is identified as one of the musculoskeletal disorders risk factors. the aims of this study were to evaluate lifting activities by niosh equation and mac method and the correlation of these two methods. this cross-sectional study was conducted in a rubber industry. studied subjects were 136 male workers selected from various sections by proportional-to size sampling meth...
Medium Access Control (MAC) protocol consists of sets of rules that determine which node is allowed to access the transmission medium. It provides mechanism for collision avoidance such that interfering sensor nodes do not transmit at the same time. In the literature, researchers have proposed different MAC protocols with features aimed at improving energy efficiency and thereby prolonging the ...
We report that a subpopulation (10%) of the Mac-1 (CD1 1b/CD18) molecules on activated neutrophils mediates adhesion to ICAM-1 and fibrinogen. We describe a novel mAb (CBRM1/5) that binds to an activation-specific neoepitope on a subset of Mac-1 molecules on neutrophils and monocytes after stimulation with chemoattractants or phorobol esters but does not recognize Mac-1 on resting myeloid cells...
The MAC Unit plays an important role in DSP applications. When implemented on FPGA, many MAC Units can be implemented on a single FPGA flexible to different design architectures. Hence the need of efficient MAC Units arises for filter applications. This paper discusses about variable precision based MAC Unit implemented on FPGA at algorithmic level. The proposed algorithm for FIR Filters is hig...
In recent years, many MAC protocols for wireless sensor networks have been proposed and most of them are evaluated using Matlab simulator and/or network simulators (OMNeT++, NS2, etc). However, most of them have a static behavior and few network simulations are available for adaptive protocols. Specially, in OMNeT++/MiXiM, there are few energyefficient MAC protocols for WSNs (B-MAC & L-MAC) and...
Despite the popularity of coreference resolution as a research topic, the overwhelming majority of the work in this area focused so far on single antecedence coreference only. Multiple antecedent coreference (MAC) has been largely neglected. This can be explained by the scarcity of the phenomenon of MAC in generic discourse. However, in specialized discourse such as patents, MAC is very dominan...
To enhance the saturation throughput in Vehicular Ad-hoc NETworks (VANETs), one of solutions is a variable Control CHannel Interval (CCHI) multichannel Medium Access Control (MAC) scheme. Recently, the HER-MAC is more reliable and efficient in both the safety message broadcast and the service channel utilization. HER-MAC which requires lower time for reservation period than IEEE 1609.4 improves...
Energy conversation is one of the primary objectives of duty cycle MAC protocols. Different synchronous and asynchronous duty cycle MAC protocols have been proposed in recent years. These protocols perform well under low traffic loads, but efficiency of these protocols degrade under high traffic loads. We present an asynchronous hybrid duty cycle MAC protocol called Hybrid MAC (H-MAC), which us...
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