It indicates that the structure of alloy is obviously improved with an amount of ce and trace boron, and the ductility and corrosion resistance also increase.
研究表明，添加适量的稀土铈和微量的硼明显改善了合金的组织，提高了材料的延伸性和耐蚀性。
Result show that the trace boron additive causes the changes in the mode of fatigue crack propagation and its route, so that crack growth rate of 40MnB is lowered.
结果表明，微量合金元素硼改变了裂纹扩展途径和扩展方式，从而降低了疲劳裂纹扩展速率。
This method is characterized by simple operation, rapid determination and accurate measured data, and has been applied in determination of trace boron in geochemical standard sample.
拟定的方法应用于地球化学标样中微量硼的测定，操作简便，结果准确。
This method is characterized by simple operation, rapid determination and accurate measured data, and has been applied in determination of trace boron in geochemical standard sample.
拟定的方法应用于地球化学标样中微量硼的测定，操作简便，结果准确。
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