The spatial coherences between the sound pressure and the three orthogonal components of the particle velocity in underwater ambient noise were investigated.

研究海洋环境噪声场中声压和质点振速的三个正交分量间的空间相干。

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The concentration profile of reaction components in a porous catalyst pellet was calculated with orthogonal collocation, from which the efficiency factors of porous catalysts could be obtained.

采用正交配置法对多孔催化剂颗粒内反应物浓度分布进行了计算，在此基础上可以获得催化剂效率因子的值。

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A cyanide tin - copper plating process was optimized by means of orthogonal test. The effect of bath components of electrolytic solutions and electrodeposits was investigated.

采用正交试验研究了氰化镀铜锡合金工艺中各因素水平与镀液、镀层性能的关系，优选出一种最佳工艺配方。

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