并测试了竹炭的红外线性能与负离子性能。
Infrared ray and negative ion of bamboo charcoal were tested.
负离子发生器的两个主要性能参数是负离子浓度和臭氧浓度。
Two major performance parameters of negative ion generator are negative ion concentration and ozone concentration.
研究聚丙烯与超细负离子粉末的共混过程及共混物的相关性能。
Then PP blended with the powder, process and properties of blend are studied.
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