The temperature of the two gray body increases 50 ℃
respectively, then the heat flow by radiation should be ( )
A: Reduced
B: Increased
C: Unchanged
D: Uncertainty
respectively, then the heat flow by radiation should be ( )
A: Reduced
B: Increased
C: Unchanged
D: Uncertainty
举一反三
- Which options are the body's regulation of temperature in a cold environment A: sympathetic nerve tension increases B: skin blood vessels contract, heat loss reduces C: shivering D: basal metabolic rate increase, heat production increase
- As the temperature of a body rises, the radiated heat also increases.
- Which of the following phenomena belongs to an adiabatic process ?() A: The temperature of the system remains unchanged B: The system does not absorb heat from the environment C: No heat exchange between the system and the environment D: The internal energy of the system remains unchanged
- Consider a scenario in which your core body temperature increases to 38.5 ℃. What would happen to your body temperature if a NEGATIVE feedback mechanism responded to this change? _____ A: Your body temperature would increase further. B: There would be no change in your body temperature. C: Your body temperature would drop. D: Your body would have a new normal core temperature of 91°
- Which<br/>of the following arterial blood pressure could keep renal<br/>blood flow unchanged?() A: 40~100mmHg B: 50~100mmHg C: 50~180mmHg D: 70~180mmHg E: 100~180mmHg