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circular oxidation
相关语句
  氧化
     Using technique of roughness, the outline curves of arc sprayed surface was measured and the area ratio between the coarse surface and the smooth surface was approximately 2.3. Moreover, in comparison the coarse surface with the smooth surface, both of the oxidation dynamics properties of circular oxidation at 900 °C for 24 hours were discussed.
     此后,通过900℃24小时循环氧化,比较了粗糙表面与光滑表面涂层氧化动力学曲线差异。
短句来源
     By means of SEM and EDS analyzing it was found that there was a continual aluminum oxide layer bond in the interface of coating /substrate after circular oxidation at 900 °C for 48 hours, which revealed that the coatings provided a good oxidation-resistant effect.
     对不同时段的SEM及EDS照片进行了分析,发现900℃循环氧化54小时后在涂层与基体的界面处依然存在连续的氧化铝带,具有非常好的抗高温氧化效果。
短句来源
     By means of XRD and SEM, the circular oxidation of SiC/BN nanocomposites in the static air was studied at the temperatures of 1100℃ and 1300℃ respectively. The results showed that the volatilization of B_2O_3,which is derived from the partial oxidation of BN at initial stage of 1100℃,could reduce the resistance of oxidation,and produce a lot of pores on the surface of the sample.
     采用循环氧化法对SiC/BN纳米复合陶瓷在1100℃和1300℃静态空气中的高温氧化行为进行了研究,研究结果表明在1100℃时,初期氧化时部分BN氧化成B2O3而挥发,产生较多的气孔,使其抗氧化性能降低。
短句来源
  相似匹配句对
     internal oxidation
     内氧化
短句来源
     Oxidation of porphyrinogen
     卟啉原氧化
短句来源
     Circular Economy
     让循环经济转起来
短句来源
     Circular Economy
     循环经济论
短句来源
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On the basis of a laboratory experiment, the temperature gradient of coal specimens with different Ca(OH)2 concentration and the change rate of their inhibition time are analysed.Based on the circular oxidation self-combustion mechanism of high-sulphur coal, the inhibition mechanism of Ca(OH)2 to high-sulphur coal is explained from chemical, negative-catalytic and physical inhibition actions.

在实验室实验的基础上,分析了混有不同浓度氢氧化钙煤样的氧化升温梯度和阻化时间变化率,基于高硫煤的循环氧化自燃机理,从化学反应理论、负催化活化中心理论和物理阻化作用三个方面深入分析了氢氧化钙阻化液对高硫煤的阻化机理。实验结果和上述机理在现场试验中得到了印证。

By means of XRD and SEM, the circular oxidation of SiC/BN nanocomposites in the static air was studied at the temperatures of 1100℃ and 1300℃ respectively.The results showed that the volatilization of B_2O_3,which is derived from the partial oxidation of BN at initial stage of 1100℃,could reduce the resistance of oxidation,and produce a lot of pores on the surface of the sample.With the further oxidization, the incrassation of oxide layer would protect the inner BN from oxidization.At 1300℃,the...

By means of XRD and SEM, the circular oxidation of SiC/BN nanocomposites in the static air was studied at the temperatures of 1100℃ and 1300℃ respectively.The results showed that the volatilization of B_2O_3,which is derived from the partial oxidation of BN at initial stage of 1100℃,could reduce the resistance of oxidation,and produce a lot of pores on the surface of the sample.With the further oxidization, the incrassation of oxide layer would protect the inner BN from oxidization.At 1300℃,the dense oxide layer produced by the rapid oxidation of SiC would prevent the further oxidation of BN,and the materials exhibited excellent resistance of oxidation.

采用循环氧化法对SiC/BN纳米复合陶瓷在1100℃和1300℃静态空气中的高温氧化行为进行了研究,研究结果表明在1100℃时,初期氧化时部分BN氧化成B2O3而挥发,产生较多的气孔,使其抗氧化性能降低。随着氧化反应的继续,氧化层(SiO2)的厚度增加,内部的BN不再继续氧化,只有SiC还可缓慢氧化。1300℃氧化时,由于SiC迅速氧化形成较为致密的氧化层,表面氧化膜均匀致密,并有晶相物在氧化膜中生成,可阻止内部的BN发生氧化,表现出较好的抗氧化性。

 
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