Using the validated model, simulates the turf soil temperature of different conditions, obtains the optimum parameters of electric cable heating system in Beijing.
采用经过验证的数学模型对不同工况的草坪土壤温度场进行数值模拟分析，得到北京地区草坪电缆加热系统的优化设计参数。
Studies are conducted on melting snow and keeping green by electric cable heating system on Beijing sports turf in winter, grass seed selection, and turf soil temperature field.
本文对北京地区草坪冬季电缆电热融雪保绿问题，草种的选择及土壤温度场进行研究，旨在对北京地区草坪电缆加热系统进行优化设计。
When electric heating cable isinstalled, take into account of the possibility that valves and equipments may be taken down and not to damage the electric heating cables.
安装电热带要考虑管道阀门、设备等附件拆卸方便，且不应损坏电热带。
The minimal bending radius is 6 times the thickness of electric heating cable.
安装电热带最小弯曲半径为其厚度6倍。
The main research works are described as follows: (1) The experiment of deicing and snow-melting by electric heating cable has been done.
本文的工作如下：(1)开展了发热电缆融雪化冰的实验研究。
The main research works are described as follows: (1) The experiment of deicing and snow-melting by electric heating cable has been done.
本文的工作如下：(1)开展了发热电缆融雪化冰的实验研究。
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