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In this paper, a one-third triangular resonator with two electric walls and two magnetic walls is discussed as a basic resonant element to realize wideband passive circuits. The resonator is fulfilled by taking out about one-third of an isosceles or equilateral triangular resonator of the substrate integrated waveguide (SIW) version and therefore, is called as one-third-mode substrate integrated resonator...
A six-port network based on coplanar waveguide (CPW) interdigitated structures is proposed and presented. Among these six ports, two are isolated ports and two are coupled ports. The left two contain an input port and a direct port. In this paper, the network is designed for dividing the power equally between the two coupled ports and the direct port, namely about 4.8 dB. The return loss is better...
This study reported the feasibility of flushing remediation of lead (Pb) contaminated soil using thiacalix[4]arenetetrasulfonate (TCAS) reagent. Batch experiments were performed to test the factors influencing remediation of lead (Pb) contaminated soil. The effects of pH value, initial conentration and contact time on the removal capacities of lead (Pb) by TCAS reagent had been studied. The results...
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