| 1. | Desige and construction of insulation and waterproof roofing of pearlite 珍珠岩隔热保温防水屋面的设计与施工 |
| 2. | Microstructure and mechanical properties of a new bainite pearlite dual - phase microalloyed steel 珠光体双相微合金钢的组织与性能 |
| 3. | The gradational standard of spherular pearlite for 15crmo steel used in fossil power plant 火力发电厂用15crmo钢珠光体球化评级标准 |
| 4. | The gradational standard of spherular pearlite for carbon steel no . 20 used in fossil power plant 火电厂用20号钢珠光体球化评级标准 |
| 5. | The paper analyzes its performance with the range of the content of gas former , expanding pearlite and water - cement ratio 文中对引气剂用量、珍珠岩用量及水灰比对材料吸声性能影响进行了研究与分析。 |
| 6. | A new type of sound absorbing materials mainly made from low alkaline cement and expanding pearlite has been investigated on the basis of sound absorption principle 摘要以低?水泥和膨胀珍珠岩为主要原料,辅之以分散性良好的增强剂聚丙烯纤维,研制出一种新型吸声材料。 |
| 7. | These additives have no adverse effect on the properties of the coating , and the optimum contents of them are : hydrophobic additive 6 % , sepiolite 6 % and expanded pearlite 3 % 在该材料中疏水添加剂的最佳含量为6 ,海泡石最佳含量为6 ,膨胀珍珠岩的最佳含量为3 。 |
| 8. | Based on the analysis of eutectoid transformation of sg ( spheroidal graphite ) iron , the numerical model of formation of ferrite and pearlite during the eutectoid transformation was improved 摘要通过对球墨铸铁件共析转变的分析,改进了球铁件中铁素体与珠光体形成的数学模型。 |
| 9. | The microstructure evolution of ferrite and pearlite in ecap was investigated by means of optical m icroscopy ( om ) and transmission electron microscopy ( tem ) 并运用光学显微镜( om ) 、透射电子显微镜( tem )及维氏显微硬度仪研究了ecap变形后45钢中先共析铁素体及珠光体组织的演变特征。 |
| 10. | In the specimen of low carbon , ferrite with low hardness and a little pearlite is found ; and the specimen of high carbon is made up of pearlite and various alloyed - carbide 组织观察表明,碳含量较低的试样中主要是硬度不高的铁素体以及少量的珠光体;而碳含量较高的试样中则主要是珠光体以及各种合金碳化物。 |