导热系数(Coefficient of Heat Conductivity) :是指一 单位面积和厚度之塑料所能通过的热量单位。 塑料的导热系数很小,仅为钢材的百份之一左 右,所以有良好的绝热材料。
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The aluminium-magnesium carbon brick used extensively for ladle that has disadvantages that heavy of after-expansion , high coefficient of heat conductivity, high carbon content,at present, is easy to cause deformation of ladle and increase the content of carbon of molten steel ,and then polluted molten steel.
目前被广泛使用的铝镁碳质钢包衬砖存在残余膨胀大、导热系数高、碳含量高等缺点,在使用中易于引起钢包变形,而且还会使钢水增C,造成对钢水的污染。
参考来源 - Al·2,447,543篇论文数据,部分数据来源于NoteExpress
The contents and characteristics of the virtual experiment courseware of Determining the Coefficient of Heat Conductivity is introduced in detail.
详细介绍了导热系数的测定虚拟实验课件的内容及特点。
Roofing heat preservation material should be chosen, disrupting the apparent density is small, coefficient of thermal conductivity (small) materials.
屋面保温材料应选用孔隙多、表观密度小、导热系数(小)的材料。
The effects of absorption coefficient, refractive index, heat conductivity, convective heat-transfer coefficient and radiative properties of the surf ace on the temperature field are discussed too.
物料加热表面受到对流冷却,并讨论了物料的吸收系数,折射率,导热系数,换热系数,物料表面辐射特性对温度场的影响。
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