Development course and kinetics mechanism of foam body expansion were investigated during preparing foam aluminum by powder metallurgy method.
采用粉末冶金法制备泡沫铝材料，对发泡过程中泡沫体膨胀的演变过程及动力学机制进行了研究。
High expansion foam fire control system was adopted for the 5 story underground parking yard in the business building of the Industrial and Commercial Bank of Guangdong Province.
广东省工商银行业务大楼的地下停车场共5层，采用了高倍数泡沫灭火系统。
Use of professional rotary valve, strong expansion foam is a non- removal of automotive air conditioning internal professional cleaning agent.
采用专业旋转阀门，强力膨胀泡沫，是免拆汽车空调内部的专业清洗剂。
To improve the volume expansion rate, lower the density of pp foam, gas escaping should be avoided by selecting the appropriate die temperature.
优选适宜的发泡机头温度可以抑制气体逃逸，提高发泡倍率，获得更低密度的聚丙烯发泡材料。
The high expansion foam fire system (HEFF) is very effective to fire distinguishing due to the high output and speedily spreading of foam with advantages of low water consumption.
高倍数泡沫灭火系统具有用水量少、发泡量大、淹没速度快、灭火能力强的特点。
The high expansion foam fire system (HEFF) is very effective to fire distinguishing due to the high output and speedily spreading of foam with advantages of low water consumption.
高倍数泡沫灭火系统具有用水量少、发泡量大、淹没速度快、灭火能力强的特点。
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