In order to observe the disinfection efficacy of two air disinfectors based on different principles, air disinfection test method was used to carry out laboratory and field experimental studies.
为观察两种不同原理空气消毒器的消毒效果，采用空气消毒试验方法进行了实验室和现场试验研究。
Using experimental mechanical method of moire analysis, strain field distributions of LY12CZ aluminum alloy welded joints under different conditions were investigated.
采用云纹分析的试验力学方法，研究了不同情况下LY 12 CZ高强铝合金焊接接头应变场的分布特点。
Currently, determination of compressor blade number is mostly base on experimental formula. The effect of Impeller with different blade number on flow field lacks of quantitative analysis.
目前离心式压缩机叶片数目的确定主要根据经验公式，同一叶轮取不同数目的叶片对叶轮内部流场的影响缺乏定量的分析。
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