The rule of the shift of the mean charge depth at different environmental humidity was discussed for this electret material by heat pulse method.
利用热脉冲技术研究了不同湿度下电晕充电的聚酰亚胺薄膜沉积电荷平均深度向背电极的迁移规律。
The value measured by Penman-Monteith method is very close to that measured with whole-tree potometer and that measured by heat pulse technique with errors less than 2%.
微气象法中午蒸腾值十分接近整树容器法与热脉冲法，其误差小于2％。
A transient method with rectangular pulse heating has been developed to measure the specific heat and thermal conductivity of solid structural materials at low temperatures.
提出了一种采用方波热脉冲测量低温下固体结构材料的比热和热导率的非稳态方法。
By using the high-pressure pulse electric field, the method has less heat energy in the process of breaking, low raised temperature of a breaking target, and short breaking time.
利用高压脉冲电场破壁，在破壁过程中产热少、破壁对象升温小、破壁时间短。
By using the high-pressure pulse electric field, the method has less heat energy in the process of breaking, low raised temperature of a breaking target, and short breaking time.
利用高压脉冲电场破壁，在破壁过程中产热少、破壁对象升温小、破壁时间短。
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