查询词典 sic

The results of the investigation showed that the best entrance angle of B〓C, B〓C/ C and Al〓O〓/ C ceramic nozzles is 11°, 14°and 16°respectively. Erosion wear model has been put forward. The B〓C and B〓C/ C nozzles exhibited a stress fatigue induced removal process under the condition of umber emery erodent impacting, and a brittle fracture induced removal process under the condition of white emery and SiC erodent impacting.

建立了不同磨损机理下的冲蚀磨损模型，提出了喷砂嘴的磨损属于多冲蚀机理并存的复合冲蚀机制。B〓C和B〓C/C陶瓷喷砂嘴在棕刚玉磨料的冲蚀下，主要表现为应力疲劳断裂冲蚀，在白刚玉和SiC磨料的冲蚀下，主要表现为脆性断裂冲蚀。

Ceramic, YG8, YT15, 45# steel, 45# chilled steel, cast iron (HT15-33) and polyurethane plastic nozzles all exhibited plowing type of material remove mode under the condition of umber emery, white emery and SiC erodent impacting.

YG8和YT15硬质合金、75瓷、铸铁（HT15-33）、45#淬火钢、45#钢和聚氨脂塑料喷砂嘴的磨损机制皆以微切削为主。

Then,the research progress of high SiC paniculate volume content aluminum matrix composites and aluminum matrix composites reinforced with eucryptite ,with zirconium tungstate and with quasicrystalline particles are reviewed respectively.

综述了低热膨胀铝基复合材料的研究现状，对高体积分数 SiC 颗粒增强铝基复合材料、锂霞石颗粒增强铝基复合材料、钨酸锆颗粒增强铝基复合材料和准晶颗粒增强铝基复合材料的研究状况进行了详细的阐述。

The amount of yeast has great influence on the porosities and flexural strength of the SiC porousceramics.

酵母粉的添加量也直接影响碳化硅多孔陶瓷的气孔率和抗折强度。

Combining the calculation of Gibbus free energy, we discussed the thermodynamic mechanism of synthesizing a-SiC from Si〓N〓.

结合吉布斯自由能计算，分析了化学转变法由Si〓N〓制备α-SiC的热力学过程。

The formation mechanism and shapes of helices in 6H-SiC were discussed.

讨论了6H-SiC中蜷线的形状及其形成机理。

SiC, etc, in which the array is held together by localized heteropolar bonds.

粒0SiC等，它们是靠定域的极性结合在一起的。

Sic , etc, in which the array is held together by localized heteropolar bonds.

粒0sic等它们是靠定域的异极性键结在一起的。

In contrast,hipping leads to high densities in all cases, independently of the chemical composition of the mixture and the type of SiC powder used.

相比之下， hipping导致高密度，在所有情况下，独立自主的化学成分的混合物和类型的碳化硅粉用。

Furthermore, unless the original SiC powder contains some a seeds, no transformation is observed under any hipping conditions.

此外，除非反应物原始SiC粉末中包含了α，否则，在任何加压情况下，都不会这个转化。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。