摘要试验时发现集料吸水率对沥青混合料最佳油石比有着较大的影响。
The fact that specific absorption of aggregate has important effects on the optimum proportion of asphalt is detected by the tests.
混合表面活性剂比单一表面活性剂更有利于提高钾溶出率。
The mixed surfactants had higher extractive degree of potassium than single surfactant.
为探讨油石比和空隙率对沥青混合料高温性能的影响，对AC - 20改进型沥青混合料进行单轴静载蠕变试验研究。
A static uniaxial creep test is implemented to investigate the influence of the void ratio and the asphalt-aggregate ratio on the stability at high temperature of modified AC-20I asphalt mixture.
而生物污泥与污水混合液经混凝后TP去除率可达到50.85%，比单纯污水混凝系统与单纯生物反应系统提高约20%；
The removal rate of TP is 50.85% and it is 20% higher than the simplex sewage flocculation system and the simplex biodegradation system.
研究试验结果表明，分层扫气可减少换气过程的燃料损失，使燃油消耗率大幅度下降；使混合气空燃比的范围加大。
The result shows that stratified scavenging reduces fuel loss during air exchange greatly lowing the fuel consumption rate and enlarging the air-fuel ratio range.
试验时发现集料吸水率对沥青混合料最佳油石比有着较大的影响。
The fact that specific absorption of aggregate has important effects on the optimum proportion of asphalt is detected by the tests.
各组分可有悬殊的重量比，干粉状物料混合率达99.9%以上，是目前各种混合机中的最理想的产品；
Compositions are allowed to have distinguished weight ratio. the dry powder material has a mixing ratio up to 99.9% or more as an optimal product among present various mixers;
我国观行的沥青混合料配合比设计方法采用马歇尔设计方法，以马歇尔试件的空隙率、矿料间隙率、沥青饱和度等作为控制指标。
The present asphalt mixtures design method is Marshall method, which is based on air voids, voids of mineral aggregate and voids of mineral aggregate that are filled with asphalt etc.
利用这四种菌构建高效混合菌群，筛选出最优混合菌G8，对石油的去除率达到68.76%，比单菌株提高了近30%。
The optimal mixed strains G8 was selected and its oil removal ratio is 68.76%, nearly 30% higher than the single strains.
利用这四种菌构建高效混合菌群，筛选出最优混合菌G8，对石油的去除率达到68.76%，比单菌株提高了近30%。
The optimal mixed strains G8 was selected and its oil removal ratio is 68.76%, nearly 30% higher than the single strains.
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