The effect of ultrasonic degassing under different time of A356 Aluminum alloy is studied by using vacuum decompress test, and the effect of ultrasonic field on the solidification microstructure.
以a356合金作为实验材料，通过真空减压试验考察超声场对金属气体去除效果的影响，研究超声场对铝合金凝固组织的影响。
The effect of enzyme concentration, glucose concentration, filter paper concentration and material kind on the enzymatic hydrolysis in ultrasonic field was also investigated.
同时也研究了四川大学博士学位论文酶浓度、葡萄糖浓度、滤纸浓度、原料种类对超声波场中酶水解的影响。
The study was carried out to investigate the effect of compound field which is a combination of electromagnetic field and power ultrasonic field on solidification process of A356 alloy.
研究了复合场(功率超声场和旋转电磁场复合)对A356合金凝固行为的影响。
This paper gives the basic mechanism of magnetic field, microwave, ultrasonic, and presents the progress in research of outfield effect on gas hydrate.
简述了磁场、微波、超声波的基本作用机理，介绍了国内外外场因素对气体水合物形成分解影响研究进展。
The effect of tech-nologies of electroplating under ultrasonic field, heat evaporation plating in vacuum and chemical plated ternary-alloy on properties of diamond is more remarkable.
其中以超声波电镀，真空热蒸镀及化学镀三元合金效果最佳。
The effect of tech-nologies of electroplating under ultrasonic field, heat evaporation plating in vacuum and chemical plated ternary-alloy on properties of diamond is more remarkable.
其中以超声波电镀，真空热蒸镀及化学镀三元合金效果最佳。
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