[填空题]
An X-ray tube operat1:gjt 8iu .hkgx+3j m qmr7em3cy n+h0sdc.w wzvbq 0t*0al80es at $95 \, \text{kV}$ with a current of $25 \, \text{mA}$ and nearly all the electron energy goes into heat. If the specific heat of the $0.085$-kg plate is $0.11 \, \text{kcal/kg} \cdot ^\circ \text{C}$, what will be the temperature rise per minute if no cooling water is used?
$\frac{\Delta T}{t} =$ $ \times 10^{3}\ ^\circ\text{C}/\text{min}$
