The thermal conductivity of ice at 0°C is approximately ______ times the thermal conductivity of water at the same temperature, indicating that in the same environment, ice can change its temperature faster than water.
The thermal conductivity of ice at 0°C is approximately ______ times the thermal conductivity of water at the same temperature, indicating that in the same environment, ice can change its temperature faster than water.
A．commonplaceB．responsibilityC．conductivityD．consequence A: commonplace B: responsibility C: conductivity D: consequence
A．commonplaceB．responsibilityC．conductivityD．consequence A: commonplace B: responsibility C: conductivity D: consequence
Because semiconductor has two kinds of carriers, it has better conductivity than conductor
Because semiconductor has two kinds of carriers, it has better conductivity than conductor
This is the governing equation(基本方程)with the thermal conductivity(导热率)a function(函数) of temperature.
This is the governing equation(基本方程)with the thermal conductivity(导热率)a function(函数) of temperature.
A major objective in designing new ceramics is to overcome A: Hardness B: Brittleness C: Reactivity D: Conductivity
A major objective in designing new ceramics is to overcome A: Hardness B: Brittleness C: Reactivity D: Conductivity
In the electrophoresis experiment of Fe(OH)3 colloid, the temperature and conductivity of the auxiliary solution should be equal to that of the colloid.
In the electrophoresis experiment of Fe(OH)3 colloid, the temperature and conductivity of the auxiliary solution should be equal to that of the colloid.
People experience differences in physical and mental ______ depending on the time of day. A: community B: conductivity C: celebrity D: capability
People experience differences in physical and mental ______ depending on the time of day. A: community B: conductivity C: celebrity D: capability
Which is NOT the characteristic of “COTTON”？ A: low absorbency B: good heat conductivity C: soft hand D: tend to wrinkle
Which is NOT the characteristic of “COTTON”？ A: low absorbency B: good heat conductivity C: soft hand D: tend to wrinkle
用手指蘸NaCl溶液再进行测量是可增加导电性 。The conductivity can be increased by dipping the finger in NaCl solution.
用手指蘸NaCl溶液再进行测量是可增加导电性 。The conductivity can be increased by dipping the finger in NaCl solution.
用手指蘸NaCl溶液再进行测量是可增加导电性 。The conductivity can be increased by dipping the finger in NaCl solution. A: 正确 B: 错误
用手指蘸NaCl溶液再进行测量是可增加导电性 。The conductivity can be increased by dipping the finger in NaCl solution. A: 正确 B: 错误