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تعداد نتایج: 10667333 فیلتر نتایج به سال:
Multicast is an efficient paradigm for transmitting data from a sender to a group of receivers. In this paper, we focus on multicast in single channel multi-access wireless local area networks (LANs) comprising several small cells. In such a system, a receiver cannot correctly receive a packet if two or more packets are sent to it at the same time, because the packets “collide”. Therefore, one ...
Portable devices demand for low power dissipation. To reduce power dissipation, the subsystem in a device needs to be designed to operate at low power and also consume low power. Significant progress has been made in low power design of dynamic RAM’s. Static RAM’s are also critical in most VLSI based system on chip applications. Basic SRAM bit cell consists of 6T. Few designs using 4T are also ...
learning a second or foreign language requires the manipulation of four main skills, namely, listening, reading, speaking, and writing which lead to effective communication. it is obvious that vocabulary is an indispensible part of any communication, so without a vocabulary, no meaningful communication can take place and meaningful communication relies heavily on vocabulary. one fundamental fac...
background: introduction of iranian national medical digital library (inlm) was a huge investment during several years ago. the aim of this study was to discover the effectiveness of this scientific intervention by examination of citation pattern among graduate dental thesis during before and after of inlm accessibility. methods: this analytical study was conducted among all of graduate dental ...
This paper proposes design of a low power sense amplifier. It is designed for the low power and delay of the circuit by using the variable threshold mos devices. Sense amplifiers are used in the memories to increase the speed for accessing data from different locations. So the speed of data read of SRAM is highly reliable on the design of sense amplifiers. The introduced circuit is tested under...
abstract: access to exact and reliable information about the land and knowledge of legal situation of land during of transaction is very important. the person that wants acquire a land, he spends charges for achieving of information but sometimes these efforts don’t result to consequence and it is possible that transferee confronts whit person who isn’t owner or who does opponent transactions. ...
Resistance switching random access memory (RRAM) has drawn considerable attention for the application in nonvolatile memory element in semiconductor memory devices. A ZnO thin film now assumed to be useful for dynamic random access memory (DRAM) cell. In this paper we provide a framework to its use as a switching ON or OFF in DRAM cell. In this type of memory cell the ZnO thin film has a lot of...
Introduction: There are several indicators to determine the level of development of a country or a region. Indicators of healthcare are among the most important indicators in every country. Methods: This applied, descriptive, cross-sectional study surveyed all countries (n=24) in Iranian development vision in 2012. In order to collect data, the database of World Bank and World Health Organizat...
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