The effect of surface wettability of porous media on the plugging properties of LPS was studied through the ground glass model, quartz sand-packed tube and artificial core plugging experiments.
采用毛玻璃模型、填充砂管和人造岩心封堵实验,研究了多孔介质的表面润湿性对交联聚合物溶液(LPS)封堵性能的影响。
The experiment indicates that wind itself is of weak effect on ground surface erosion, so that the soil crust may not be destroyed even under great wind velocity.
实验表明:净风对土表的风蚀作用微弱,即使在遭到大风吹刮时,土表的结壳仍不易受到破坏。
For the conventional cement base surface, liquid curing agent for sealing, can enhance the surface wear resistance, strength and impermeability, prolong the service life of ground and using effect.
对于常规水泥基地面,用液体固化剂进行密封加固,可以增强地面的耐磨性、强度和抗渗能力,延长地面使用寿命和使用效果。
Dynamic contact theory is applied to simulate the sliding of surface fault. Finite Element method is used to analyze the effect of surface fault on site ground motions.
应用动接触理论模拟断层的滑移问题,用有限元方法计算浅层断层对场地地震动的影响。
Urban ground surface has an important effect on the energy exchange between air and land, which leads to an inhomogeneous distribution of land surface temperature (LST).
城市下垫面对地表能量交换的影响巨大,引起地表温度分布的不均一性。
The improved vortex lattice method is used to predict the ground effect on wake roll-up behind a lifting surface.
用该方法研究了近地升力面尾涡卷起的地面效应。
The defect that the sweeping effect can be affected because same kind of sweeping device can not deal with bigger garbage and small steps on the ground surface is solved.
解决了同类清扫器不能处理较大的垃圾和地面小台阶就会影响清扫效果的缺欠。
Then using introduced trees scotch pine, s young trees as experiment material, research different protective effect to ground surface with uniformity model, stochastic model and banding collocate;
其次利用当地引入树种樟子松幼苗为试验材料,研究了随机式、均匀式、行带式三种配置格局对地表的不同防护作用;
Then using introduced trees scotch pine, s young trees as experiment material, research different protective effect to ground surface with uniformity model, stochastic model and banding collocate;
其次利用当地引入树种樟子松幼苗为试验材料,研究了随机式、均匀式、行带式三种配置格局对地表的不同防护作用;
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