An elderly man was scalded by hot water on two feet and felt severe pain, where there were blisters on wounds, and the wound base was red and swelling. What are the estimated burn area and depth?
A: 6% and superficial partial-thickness
B: 7% and superficial partial-thickness
C: 6% and deep partial-thickness
D: 7% and deep partial-thickness
A: 6% and superficial partial-thickness
B: 7% and superficial partial-thickness
C: 6% and deep partial-thickness
D: 7% and deep partial-thickness
举一反三
- 第2类拉格朗日方程表达式为____ 。 A: $\frac{{\rm{d}}}{{{\rm{d}}t}}\left( {\frac{{\partial T}}{{\partial {{\dot q}_k}}}} \right) - \frac{{\partial T}}{{\partial {q_k}}} = 0$ B: $\frac{{\rm{d}}}{{{\rm{d}}t}}\left( {\frac{{\partial T}}{{\partial {{\dot q}_k}}}} \right) - \frac{{\partial T}}{{\partial {q_k}}} = {Q_k}$ C: $\frac{{\rm{d}}}{{{\rm{d}}t}}\left( {\frac{{\partial T}}{{\partial {{\dot q}_k}}}} \right) + \frac{{\partial T}}{{\partial {q_k}}} = {Q_k}$ D: 以上都不对
- 设方程\({x^2} + {y^2} + {z^2} = 2Rx\)确定函数\(z=z(x,y)\)，则\( { { \partial z} \over {\partial x}}=\) A: \( { { \partial z} \over {\partial x}} = { { R +x} \over z}\) B: \( { { \partial z} \over {\partial x}} =- { { R +x} \over z}\) C: \( { { \partial z} \over {\partial x}} = { { R - x} \over z}\) D: \( { { \partial z} \over {\partial x}} =- { { R - x} \over z}\)
- The parameters for predicting oil and gas PIIP include . A: Oil (gas) area B: Average thickness of oil (gas) layer C: Single storage coefficient D: Thickness of source rock
- The basic line thickness of the drawing refers to the thickness for the ( ) line A: thin B: semi-bold C: bold D: middle
- Assume the capacitor areas of top and tunnel oxide are identical, which of the following statements is NOT true about designing oxide thickness? A: The minimum of top oxide thickness is limited by erase speed. B: The minimum of tunnel oxide thickness is limited by charge retention time. C: The maximum of top oxide thickness is limited by coupling ratio. D: The maximum of tunnel oxide thickness is limited by program speed.