[Retracted] Influence of Sulfur and Additives on Wear of Exhaust Valve Seat of Cylinder Head

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Device</td><td class="align_center">Model</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Infrared spectrometer</td><td class="align_center">NIR-M-T1</td></tr><tr><td class="align_left">Ultraviolet spectrometer</td><td class="align_center">UV1800PC</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Sulfur content comparison test devices.</div>

Complexity

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Table 2

Table 2: [Retracted] Influence of Sulfur and Additives on Wear of Exhaust Valve Seat of Cylinder Head 