| 1. | Research on sand ratio of modified asphalt mixture 对改性沥青混合料中砂率的研究 |
| 2. | Experimental study of medium sand reinforced with cfrp 加筋中砂的试验研究 |
| 3. | Method for grit and crude content in chrysotile asbestos 温石棉中砂料与未解离石棉含量测定方法 |
| 4. | Method for determination of grit and crude content in chrysotile asbestos 温石棉中砂粒与未解离石棉含量测定方法 |
| 5. | Standard test method for sand content by volume of bentonitic slurries 用容积法测定膨润土泥浆中砂含量的标准试验方法 |
| 6. | 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 |
| 7. | Masking of sand mud interbeds in non - marine reservoirs and it ' s effect on time - lapse seismic data interpretation 陆相汕藏中砂泥岩互层时移地震遮掩效应及其对时移地震资料解释的影响 |
| 8. | Abstract : the sand footing under the geotextile fabrics is difficult to pave , the sand footing above the geotextile is easy to lose . it is suggested that the footing above the geotextile be displaced by mortar 文摘:针对预制砼板护坡中砂垫层在无纺布上层容易流失,在无纺布下层施工难度大的问题,提出在无纺布上层用砂浆垫层代替砂垫层的建议。 |
| 9. | 4 . in the process of spontaneous vegetation recovery of blown sand soil , coarse sands ( l - 0 . 25mm ) content gradually lower , middle sands ( 0 . 25 - 0 . 05mm ) and fine sands ( 0 . 05 - 0 . 02mm ) , silt , clay content gradually higher in mechanical composition 4 、在自然植被恢复过程中,风沙土机械组成中砂粒含量变化表现为粗砂含量的降低,中砂和细砂含量的升高,砂粒整体含量降低。 |