1.
Comparative Analysis on the Adaptability of CRD and Dual Sidewall Guide Pit for Passing through the Sand Layer of Xiamen Xiangan Seabed Tunnel
厦门翔安海底隧道CRD法和双侧壁法穿越砂层对比分析
2.
formation-to-gravel size ratio
地层砂与砾石粒度比
3.
gravel to sand size ratio
砾石-地层砂粒度比
4.
gravel-to-sand median diameter ratio
砾石-地层砂直径中值比
5.
As an adjunct to this study, he has identified every sandstone and siltstone unit within the Morrowan by number.
作为这一研究的副产品，他根据层次对比了莫罗万系中的各层砂岩和粉砂岩单位。
6.
Study on the Characteristics of Quartz Sandstone Reservoir of the Neopaleozoic of Two Gas Field in Ordos Basin
鄂尔多斯盆地上古生界两大气田不同石英砂岩储层特征对比研究
7.
median pack-to-formaton grainsize ratio
充填砾石与地层砂粒度中值比
8.
pack-to-formation median grain size ratio
充填物与地层砂粒度中值比
9.
A research into drawdown pressure impacts on sand production from unconsolidated sand reservoirs
生产压差对疏松砂岩储层出砂影响规律研究
10.
Effect of the sand layer position on the phreatic evaporation in the layered soil profile;
层状土壤中砂层层位对潜水蒸发的影响
11.
Contrast of Magnetic Susceptibility of Silica Sand and Silica Raw Material and Its Significance
石英砂与石英砂原料磁化率的对比及其意义
12.
Fine stratigraphic division and correlation of the slump turbidite sandstone-a case study of middle Sha3 member in block Fan107,Daluhu Oilfield.
滑塌浊积砂体精细地层划分对比方法——以大芦湖油田樊107块沙三段中亚段为例
13.
Research of Methods of Tapping Potential Oil in Thick Sandstone Layers of Da Wangzhuang Oilfield
大王庄油田砂岩厚油层挖潜对策研究
14.
Experimental Analysis on the Infiltration Reduction Rule by Clay Interlayer in Sand
粉粘土夹层对砂的减渗规律试验分析
15.
The analysis and application of specific gravity of slurry in bore pile construction through sand seam
穿过砂层钻孔桩施工中泥浆比重的分析与应用
16.
Study of four airpolishing powders on enamel surface roughness of teeth in vitro
4种喷砂砂粒对牙釉质表面粗糙度影响的对比研究
17.
Comparison of slag corrosion resistance of MgO-CaO-C bricks prepared using fused doloma or sintered doloma
低钙电熔镁钙砂与高钙烧结镁钙砂制备的MgO-CaO-C砖抗渣性对比
18.
The Study of Seism Response of Sand Cushion in Different Rigidity;
砂垫层刚度对地面地震反应的影响研究