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- control sand and silt land 治沙淤地
- Most of the sand and silt was carried down from the river. 大部分泥沙都是由河流沉积下来的。
- Loam is a soil with roughly equal proportions of clay, sand and silt. 壤土是由大约等份的黏土、沙和粉砂合成的。
- In drainage of agricultural lands, a filter or gravel envelope is used to prevent the entrance of fine sand and silt into the drains. 在农田排水中常常采用砾石或过滤层来防止粉细砂和泥沙进入排水沟。
- Hydraulic fill dams are built of sand and silt brought into the dam in a stream of water, usually through a pipe. 水力冲填坝通常是用一根管子利用水流把砂和粉沙运到坝体处筑坝。
- Meiobenthos biomass had significant correlation with the sand and silt contents of sediment and the content of Chl-a. 小型底栖生物的生物量与沉积物砂含量(%25)、粉砂含量(%25)和叶绿素a含量呈显著相关.
- Aeolian grain transport on the soil-like surface composed of fine sand and silt is measured in a wind tunnel. 通过风洞实验研究了由细沙粒和粗粉粒组成的类土壤颗粒的风力输运过程。
- All catchpits, sand and silt removal facilities, and the drainage and intercepting channels on site shall be properly maintained. 工地内所有集水井、清除沙泥设施、排水渠及截流渠须妥善维修保养。
- Moreover, survival rate of yolk-sac larvae significantly decreased by the presence of copepods and bottom substrate (sand and silt). 此外,卵黄囊期仔鱼的活存率,明显地会受桡足类之存在与否及底质类型(砂质或泥质)之影响。
- In order to improve the liquidation sand and silt crossbedded foundation synthetically in a highway,the improved sand bag wells have been used. 某高速公路软粘土与可液化砂土互层地基用加强型袋装砂井进行处理,但标准贯入试验检测结果显示此方法对可液化砂层的挤密效果不明显。
- The trapped particulates were mainly clay and silt in the north slope of Ilan ridge and south Okinawa trough, and were sand and silt in the Mien-Hwa canyon. 宜兰海脊北坡与冲绳海槽的沉降颗粒,主要是黏土与粉砂,与棉花峡谷为砂及粉砂的 组成差异甚大。
- The application of this technology in Dagang oilfield proved that it can greatly control sand and is more fruitful in oil production increment, therefore is worthy of being developed and popularized. 大港油田的应用实例和统计分析均表明,高孔密射孔技术具有显著的防砂和增产效果,值得继续发展和推广应用。
- Sand and leaves trapped the water in the stream. 沙子和树叶堵住了小河的水流。
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- The workers mixed the asphalt with sand and gravel together. 工人们把沥青和沙子、石块混合在一起。
- Mud and silt have been continuously deposited in the lake. 泥沙不停地淤积在这湖里。
- Abstract: The paper investigates the effect of silts on the instability of sand based on the undrained triaxial tests of clean sand and silty sand with 10 % and 20 % silts. 摘 要: 通过对净砂和粉砂土(粉土含量为10%25,20%25)试样进行三轴不排水试验,研究了粉土对砂不稳定性的影响。
- Accumulations of trash and silt should be near the primary element. 泥砂和废料的淤积要逐渐靠拢基本元件。
- The prospector panned out bits of sand and gravel scooped from the bed of a stream. 探矿者淘选从河床里挖出的少量含金泥沙和砂砾。
- An area covered by sand and gravel deposited at the front of a glacial moraine. 冰川前砂砾层冰河冰渍前沉积的沙及砾石覆盖的区域