منابع مشابه
Export of electronics equipment waste.
Electronics equipment waste ("e-waste") includes discarded computers, computer monitors, television sets, and cell phones. Less than 10% of e-waste is currently recycled. The United States and other developed countries export e-waste primarily to Asia, knowing it carries a real harm to the poor communities where it will be discarded. A 2006 directive bans the use of lead, mercury, cadmium, hexa...
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The paper focuses on the information system the core component of which is an educational thesaurus. The learning management system is proposed based on the appropriate educational thesauri. Also, effective procedures of the thesauri filling and ranking are discussed. An analysis carried by the authors revealed the drawbacks of the conventional learning tools and became the initial point for th...
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The profitability of electronic waste (e-waste) recovery operations is quite challenging due to various sources of uncertainties in the quantity, quality, and timing of returns originating from consumers’ behavior. The cloud-based remanufacturing concept, data collection, and information tracking technologies seem promising solutions toward the proper collection and recovery of product life cyc...
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The irresistible trend toward distributed computing systems for the control of industrial power electronic equipment is adding new dimensions to the old problem o f surge protection. Harmful surges may be produced by lightning, power switching, or by differences i n ground potentials. The objective o f the paper is t o provide increased awareness and better understanding o f the fundamentals o ...
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Combined cooling, heating, and power (CCHP) systems produce electricity, cooling, and heat due to their high efficiency and low emission. These systems have been widely applied in various building types, such as offices, hotels, hospitals and malls. In this paper, an economic and technical analysis to determine the size and operation of the required gas engine for specific electricity, cooling, ...
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ژورنال
عنوان ژورنال: The Journal of the Institute of Television Engineers of Japan
سال: 1966
ISSN: 1884-9644
DOI: 10.3169/itej1954.20.233