1 解决

178 浏览

• zwk906156808 2021-04-20

(1分)对单原子气体和甲烷，其偏心因子w，近似等于

化工热力学

1 解决

202 浏览

• zhy158 2021-04-20

(1分)超临界流体是下列__条件下存在的物质

化工热力学

1 解决

207 浏览

• hhh 2021-04-20

(1分)纯流体在一定温度下，如压力低于该温度下的饱和蒸汽压，则此物质的状态为( )。

化工热力学

1 解决

158 浏览

• hhh 2021-04-20

关于化工热力学研究特点的下列说法中不正确的是

化工热力学

1 解决

108 浏览

• 何小帅 2021-04-20

关于化工热力学，以下叙述不正确的是( )。

化工热力学

1 解决

139 浏览

• zzzzhixiao 2021-04-20

(1分)关于化工热力学研究内容，下列说法中不正确的是()

化工热力学

1 解决

185 浏览

• 133****6912 2021-04-20

关于化工热力学用途的下列说法中不正确的是

化工热力学

1 解决

80 浏览

• MY2021 2021-04-17

<{p}>------of the four thermodynamic processes in an ideal Rankine cycle are completely reversible, while the high-pressure water in the boiler is<{span style="font-size: 1em;"}>理想Rankine循环的四个热力过程中,有 个是完全可逆的,而锅炉中的高压水进行<{/span}><{br/}><{/p}>

化工热力学

1 解决

10 浏览

• 喃哥 2021-04-17

<{p}>Characteristics of throttling expansion (written description)<{span style="font-size: 1em;"}>节流膨胀的特征(文字表述)<{/span}><{/p}>

化工热力学

1 解决

69 浏览

• 护士衫下 2021-04-17

<{p}>The refrigeration coefficient of ideal refrigeration cycle is hat of actual refrigeration cycle. (Select "less than" equal to "or" greater than ").理想制冷循环的制冷系数 实际制冷循化制冷系数。<{/p}>

化工热力学

1 解决

41 浏览

• zhy158 2021-04-17

<{p}>The pressure and temperature of the system are reduced<{span style="font-size: 1em;"}>通过绝热可逆等熵膨胀,体系的压力 ,体系的温度 。<{/span}><{/p}>

化工热力学

1 解决

34 浏览

• 89887603 2021-04-17

<{p}>The temperature rise during gas compression is due to<{span style="font-size: 1em;"}>气体压缩过程中温度升高的原因是<{/span}><{/p}>

化工热力学

1 解决

60 浏览

• 24k 2021-04-17

<{p}>The temperature of a gas after an adiabatic reversible expansion is always reduced.<{span style="font-size: 1em;"}>.气体经过绝热可逆膨胀后温度永远是降低的。<{/span}><{/p}>

化工热力学

1 解决

93 浏览

• Yook 2021-04-17

<{p}>Adiabatic work expansion of a gas is an isentropic process.<{span style="font-size: 1em;"}>气体进行的绝热做功膨胀是一个等熵过程。<{/span}><{/p}>

化工热力学

1 解决

61 浏览

• tzy789 2021-04-17

<{p}>The temperature of a liquid is always lowered after throttling expansion.<{span style="font-size: 1em;"}>液体经过节流膨胀后温度永远是降低的。<{/span}><{/p}>

化工热力学

1 解决

57 浏览

• yee 2021-04-17

<{p}>The temperature of an ideal gas remains the same no matter which form of expansion it undergoes.<{span style="font-size: 1em;"}>理想气体无论进行哪一种形式的膨胀，温度都不变。<{/span}><{/p}>

化工热力学

1 解决

99 浏览

• cr9 2021-04-17

<{p}>The refrigerant used in home air conditioning and refrigerators is not ammonia but freon, because ammonia is not as good as freon as refrigerant.<{span style="font-size: 1em;"}>家中空调和冰箱用的制冷剂不选氨气而选氟利昂，这是由于氨作制冷剂性能不如氟利昂。<{/span}><{/p}>

化工热力学

1 解决

12 浏览

• lijiachu 2021-04-17

<{p}>One of the properties of the refrigerant is that the critical temperature of the refrigerant is greater than the ambient temperature of the atmosphere.<{span style="font-size: 1em;"}>制冷剂应该具有的性质之一是制冷剂的临界温度大于大气的环境温度。<{/span}><{/p}>

化工热力学

1 解决

104 浏览

• 京东小含 2021-04-17

<{p}>Ideal work is reversible work.<{span style="font-size: 1em;"}>理想功就是可逆功。<{/span}><{/p}>

化工热力学

1 解决

59 浏览

• 宇轩 2021-04-17

<{p}>The effective energy is in fact the ideal work, Ex=Wid有效能实际上就是理想功,即Ex=Wid<{/p}>

化工热力学