通过试验分析确定最佳钢球强化工艺参数及合理的加工工艺，提高钢球各项性能。
Through tests and analyse, the optimum technology parameter in strengthening steel ball, together with the proper process technology, was determined. Various performance indexes were also improved.
再生骨料试验，通过再生骨料与天然骨料的对比，分析了再生骨料的基本性能，并对其进行了强化试验研究。
In the experiment of recycled concrete aggregate, compared with natural aggregate and recycled aggregate, analyzed the basic properties of recycled aggregate, and also made the intensifying test.
通过试验研究，得出利用聚丙烯纤维和硅粉对再生混凝土进行强化，可以明显改善其力学性能，提高其强度；
The intensified test research shows that the utilization of polypropylene fiber and silica fume can obviously improve the recycled concrete's mechanics performance and increase its strength.
该文对于衰减性旋流强化传热性能进行了试验研究。
The heat transfer enhancement characteristics with decaying swirl flow is investigated experimentally in this paper.
试验结果表明，钢表面强化层具有良好的耐磨、耐蚀性能。
The experimental results show that the surface strengthened layers of steel possess better wear and corrosion resistance.
试验结果表明，滚筒强化处理能明显提高7B0 4铝合金厚板的疲劳性能。
The results show that rolling strengthening treatment can improve obviously the fatigue properties of 7B04 aluminum alloy plate.
在试验研究强化工艺对材料疲劳性能的增强效果时，常采用升降法来进行。
When the effect of strengthening technology on material fatigue performance is investigated, up-and-down method is often adopted.
在试验研究强化工艺对材料疲劳性能的增强效果时，常采用升降法来进行。
When the effect of strengthening technology on material fatigue performance is investigated, up-and-down method is often adopted.
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