The result shows that the anti_wear performance is increased significantly and the amount of addition has an optimum value.
四球机试验结果表明含氮硼酸酯添加到基础油中，能显著提高其抗磨性能，且添加量存在一个最佳值。
In addition, the transmission ratio of cavity mirror has an optimum value because of the influence of temperature on the output of the pulse string.
另外，由于温度和热容激光器脉冲串输出方式的影响，总脉冲串输出能量在腔镜透射率上也将有一个优化值。
The proper Rare Eatth content added and ageing temperature increased improve conductivity of the alloy, and the effect of ageing temperature on hardness has an optimum value.
提高时效温度，可提高合金的导电率，但对合金硬度的影响有个最佳值。
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