نتایج جستجو برای: leach tests
تعداد نتایج: 339566 فیلتر نتایج به سال:
Sensor webs consisting of nodes with limited battery power and wireless communications are deployed to collect useful information from the field. Gathering sensed information in an energy efficient manner is critical to operate the sensor network for a long period of time. In [3] a data collection problem is defined where, in a round of communication, each sensor node has a packet to be sent to...
Wireless Sensor Networks (WSNs) is an emerging area belonging to the wireless technologies that has recently developed interest among the industry and academic researchers and is expected to hold the market in the recent future. In WSN, transferring the data packets with efficient energy during transmission takes the most crucial role in this area, which on failure will result in problems like ...
Wireless sensor networks (WSN) are spatially distributed micro sensor systems. A WSN with large number of tiny nodes can be effectively used for gathering data in variety of environments like civil or military applications. WSN is a power constrained system, since nodes run on limited power batteries which shorten the life time of the system. Prolonging the life time depends on efficient commun...
A Wireless Sensor Network (WSN) is a wireless network consisting of spatially distributed autonomous tiny computing devices, each equipped with sensors, a wireless radio, a processor, and a power source. Sensor networks are envisioned to be deployed in the physical environment in order to monitor a wide range of environmental phenomena. Efficient usage of energy is one of the most important con...
Wireless distributed microsensor systems will enable the reliable monitoring of a variety of environments for both civil and military applications. In this paper, we look at communication protocols, which can have significant impact on the overall energy dissipation of these networks. Based on our findings that the conventional protocols of direct transmission, minimum-transmission-energy, mult...
This method was developed to improve sensitivity and eliminate time consuming, evaporative pre-concentration in AOAC Method 973.82 and American Society for Testing and Materials method C738 for testing foodware. The method was developed using leach solutions obtained by leaching 9 differently decorated ceramic vessels with 4% acetic acid for 24 h at room temperature. Lead and cadmium concentrat...
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