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One study, looking at technical-grade ethion, found an LC50 of 2.31 mg/m3 in male rats and of 0.45 mg/m3 in female rats. Other data reported a 4-hour LC50 in rats of 0.864 mg/L. As stated earlier, ethion can also lead to pupillary constriction, muscle cramps, excessive salivation, sweating, nausea, dizziness, labored breathing, convulsions, and ...
Yttrium has been studied as a nodulizer in ductile cast iron, forming the graphite into compact nodules instead of flakes to increase ductility and fatigue resistance. [15] Having a high melting point , yttrium oxide is used in some ceramic and glass to impart shock resistance and low thermal expansion properties. [ 15 ]
Name Mass (M J) Radius (R J) Period (days) Semi-major axis () Temp. ()Discovery method Distance () Host star mass (M ☉) Host star temp. (K) Remarks 20 Leonis Minoris b: 0.02882 +0.00173