以下为句子列表：
英文: 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.
中文: 摘要以低堿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。
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英文: The paper analyzes its performance with the range of the content of gas former, expanding pearlite and water-cement ratio.
中文: 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。
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英文: This article introduces a vacuum filler technique of expansive pearlite through analyzing the features of expansive pearlite and key technical problem of filler in the lamination of the low temperature storage tank.
中文: 摘要文章通过分析充填于绝热低温储罐夹层中膨胀珍珠岩的特性、充填中的重点技术问题，介绍了一种膨胀珍珠岩的真空充填技术。
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英文: This comparison research including grain size, pearlite content, ferrtie microhardness, banded structure and chemical composition was carried out on HSLA steel with same thickness and different mechanical properties.
中文: 摘要通过对二组同一厚度、力学性能尤其是屈服强度有明显差异的低合金钢板进行晶粒度、珠光体含量、铁素体显微硬度、带状组织以及化学成分对比试验。
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英文: Flow stress curves of ferrite/pearlite steels were calculated based on unit cell model.
中文: 基于单元胞(Unit Cell)模型分析,计算了铁素体/珠光体钢的应力-应变曲线。
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