specific modifier 中文意思是什麼
specific modifier
解釋
專效修飾基因-
The specific structure endues the sbs with the superior properties and the sbs is the most useful modifier. according to technical specifications for construction of highway asphalt pavement, climate and design, the shell - 90 asphalt is modified by sbs and conclusions are followed : ( 1 ) the aggregate gradation of mixture is determined by marshall stability experiments. the most suitable content of asphalt is also determined as 4. 9 % for general asphalt and 4. 8 % for modified asphalt
本論文按照《瀝青路面施工技術規范》的要求，結合蘇州的氣候特點和實際設計、施工要求，對殼牌90 #瀝青進行了sbs改性研究，得到如下結論: （ 1 ）利用馬歇爾法確定了混合料的級配，並確定了最佳瀝青用量，對基質瀝青的最佳用量為4 . 9 % ，改性瀝青的最佳用量為4 . 8 % 。
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