The favourable ranges of the principal vane parameters, affecting the cyclone tube performance, were founded by comparative tests.
通过对比试验，找到了影响旋风子性能的几个主要叶片参数的适宜范围。
By the comparative tests with the mean filter and the median filter, the AWMF performs best features in the reduction of noise and keeping edge information of images.
通过与均值滤波、中值滤波的对比实验，自适应权重中值滤波器表现出良好的滤波特性，而且它在抑制噪声的同时，较大限度地保持住图象的边沿特征。
By tests and questionaire, the authors make a comparative analysis on the cognitive attitude to the physical strength and physical health among the college students in China and Japan.
采用测试与问卷调查相结合的方法，对中国与日本大学生的体力及体力健康认知态度等现状，进行对比分析。
By comparative analysis of the tests done between the conventional air splicing method and the new one, the endless wet splicing method, the advantages of the latter is listed.
通过与常规空气捻接法的对比试验，阐述了新型纱线无接头湿法捻接技术的优点。
According to comparative tests, treating cement slurry with high frequency electric field can enhance the strength of cement bond by 11 7%.
通过对比试验得知，高频电场处理水泥浆可使水泥石强度提高11.7%。
Comparative tests were made on a turbo-charge diesel engine fueled by methanol-diesel fuel and bio-diesel fuel separately in terms of the output power, fuel consumption and emission characteristics.
通过对比实验研究了增压柴油机燃烧甲醇柴油和生物柴油对发动机动力性、经济性和排放特性的影响。
The comparative tests show that the content of silicon dioxide in carbon materials determined by the melting method (MM) is more stable and accurate than the hydrofluoric acid method (MHA);
通过对比试验发现：测定炭素材料中二氧化硅的含量，熔融法的分析结果比氢氟酸法更稳定、准确；
The comparative tests show that the content of silicon dioxide in carbon materials determined by the melting method (MM) is more stable and accurate than the hydrofluoric acid method (MHA);
通过对比试验发现：测定炭素材料中二氧化硅的含量，熔融法的分析结果比氢氟酸法更稳定、准确；
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