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The high-directivity single- and dual-band directional couplers based on substrate integrated coaxial line (SICL) are first proposed in this paper. As the SICL features the propagation of TEM mode, the SICL directional coupler can keep its high-directivity compared with the microstrip one. The SICL coupler also characterizes a vias-shielded structure keeping it away from lateral leakage, cross-talk...
The paper studies non-isothermal kinetics of monoaqua 3-methoxysalicylaldehyde-o-phenyldiamine copper(II) (cp1), 3-methoxysalicylaldehyde-o-phenyldiamine nickel(II) monohydrate (cp2), monoaqua 3-methoxysalicylaldehyde-ethyldiamine copper(II) (cp3) and 3-methoxysalicylaldehyde-ethyldiamine nickel(II) monohydrate (cp4) by use of non-isothermal TG and DTG curves. The kinetic parameters were analyzed...
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