pyrophyllite造句

• Pyrophyllite resource and its utilization in zhejiang province
  浙江省叶蜡石资源及其开发利用
• Heating phase transformation and evolutionary characteristics of pyrophyllite
  叶蜡石加热相变及其演化特征
• Influence of powder pressed pyrophyllite and its roasting technology on cbn monocrystal synthesizing
  粉压叶腊石及其焙烧工艺对合成立方氮化硼单晶的影响
• The studies indicate that different content of pyrophyllite and dolomite can cause the following three cases : ( 1 ) making the refractory point decrease linearly and , to some extent , influencing the microstructure and properties of sintered body ; ( 2 ) acceleratingmullite formation during sintering , reducing thermal expansion coefficient of bond , reinforcing the matching nature and improving the flexural strength and shock strength ; ( 3 ) preventing sic grinding tool from generating black core , expanding suitable sintering temperature range of sic grinding tool
  同时，也不同程度地影响了磨具烧结体的微观结构和性能； ( 2 )可促进在烧结过程中莫来石的形成，降低结合剂的热膨胀系数，加强了结合剂与磨料的匹配性，提高了磨具的抗折强度和抗冲击强度； ( 3 )在一定温度范围内还可防止碳化硅磨具出现黑心现象，拓宽了碳化硅磨具的烧结温度适应范围。
• Experiments show the optimum content of pyrophyllite and dolomite is 30 % ; in contrast to original bond , the refractory point of bond is reduced by 55 , the average coefficient of thermal expansion is reduced by 30 % and flexural strength and shock strength of grinding tool are increased by 27 % and 22 % respectively
  通过实验发现：叶蜡石和白云石最佳含量为30 % ，与原结合剂相比，结合剂耐火度降低了55 ，平均热膨胀系数降低了30 % ，磨具抗折强度提高了27 % ，磨具抗冲击强度提高了22 % 。