نتایج جستجو برای: fired brick
تعداد نتایج: 10407 فیلتر نتایج به سال:
LTCC Partially-Filled Post-Wall Rectangular-Waveguide Slot Array Antenna in the Millimeter-Wave Band
In the millimeter-wave band, the series-fed array antenna is facing a problem of large transmission loss and narrow bandwidth by using a high-permittivity and large-loss-tangent material. In this paper, an air region is inserted in the half of the height in the LTCC waveguide of εr =6.6 and tanδ =0.013 to reduce the transmission loss. The reduction of the equivalent dielectric constant by the a...
Architecture is an art, which has always been enriched by the cumulative experiences of people in different ages. The historical and traditional urban fabric after a long passage of time some has possessed a balance that in the best way responds to the climatic and cultural circumstances. The rich urban fabric of Dezful City is no exemption and its Brick Architecture is an outstanding feature o...
................................................................................................................................................. 3 Introduction ............................................................................................................................................ 3 Health Risks from Long-term Exposure to Mercury and the Link to Coal-Fired Power Plants ........
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