种堆的导热量与以下哪个因素成反比?( )

种子的物理特性-导热性、比热容、吸附性、吸湿性、平衡水分

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Specialty
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University
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Hard

娇 管
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26 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
内外温差
传热时间
种堆表面积
种堆高度
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
种子导热系数随水分含量的变化趋势是( )
升高
降低
无规律
与水分无关
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
春末夏初,仓储种子升温时,应采取的主要措施是( )
通风降温
密闭仓库
增加湿度
翻动种子堆
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
种堆的传热方式包括( )
传导传热
对流传热
辐射传热
光合作用
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
以下哪些因素会导致种子堆导热速度加快?( )
种子水分含量高
种堆空隙大
种堆表面积大
种堆高度低
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
种子热容量增大的条件包括( )
种子含水量高
脂肪含量高
种温一致
种堆密闭
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
种子堆的传导传热速度比对流传热快。( )
正确
错误
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