提高混凝上的均质性、密实性、抗渗性及断裂韧性等,适当的石粉含量可提高人工砂产量,降低成本,提高综合经济技术效益。
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It is also the first time using quartz-clastic rock for the artificial aggregate in China.
其料源采用石英碎屑岩也属国内首次。
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中国嫦娥五号月球探测器的上升器在采集土壤和岩石样本后离开月球。
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I will make you a bare rock , and you will become a place to spread fishnets.
我必使你成为净光的磐石, 作晒网的地方.
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Experimental Research on the Evolution of Hysteresis Curve of Rock in Different Axial Stress Levels
不同应力水平时砂岩滞回曲线演化的实验研究
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锚杆动载响应和轴向应力分布规律数值分析
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With the asphaltene precipitation, the rock permeability reduces correspondingly.
随着沥青质的沉积,岩石渗透率也相应的降低。
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Study on asphaltene and resin of chloroform rock extracts and crude oils
生油岩氯仿抽提物及原油中沥青质和胶质的研究
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Occurrence of Organic Matter and Its Effect on Sealing Ability of Argillaceous Rock
泥质岩有机质的赋存状态及其对泥质岩封盖能力的影响
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Decomposition of low-grade rock phosphate with three strains of Bacillus subtilis, Pseudomonas sp.
研究了枯草芽孢杆菌 、 假单孢菌和曲霉对低品位磷矿粉的分解作用.
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