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<table>The plot of <svg height="22.975" id="M90" style="vertical-align:-5.73163pt" version="1.1" viewbox="0 0 63.974998 22.975" width="63.974998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> versus 1000/<svg height="18.75" id="M91" style="vertical-align:-5.73163pt" version="1.1" viewbox="0 0 19.125 18.75" width="19.125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,11.388,15.637)"><path d="M570 304q0 -108 -87 -199q-40 -42 -94.5 -74t-105.5 -43q-41 0 -65 11l-29 -141q-9 -45 -1.5 -58t45.5 -16l26 -2l-5 -29l-241 -10l4 26q51 10 67.5 24t26.5 60l113 520q-54 -20 -89 -41l-7 26q38 28 105 53l11 49q20 25 77 58l8 -7l-17 -77q39 14 102 14q82 0 119 -36
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</svg> for Kissinger approach.</table>

Journal of Materials

fig8

Figure 8

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Journal of Materials

Effect of Sn Addition on Thermal and Optical Properties of Glass

Figure 8