1.65×10−3(∘C)−11.65\times 10^{-3}\left(^{\circ }\mathrm{C}\right)^{-1}1.65×10−3(∘C)−1
3. 25×10−3(∘C)−1\text{3. }25\times 10^{-3}\left(^{\circ }\mathrm{C}\right)^{-1}3. 25×10−3(∘C)−1
3. 9×10−3(∘C)−1\text{3. }9\times 10^{-3}\left(^{\circ }\mathrm{C}\right)^{-1}3. 9×10−3(∘C)−1
4.5×10−3(∘C)−14.5\times 10^{-3}\left(^{\circ }\mathrm{C}\right)^{-1}4.5×10−3(∘C)−1