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- compressed soil layers 压缩土层
- The particle size scope is in 0 ~ 50mm that It can test in the soil layer. 可以测试的土体的颗粒粒径范围为0~50mm。
- Root biomass of winter wheat in 0~30 cm and 0~100 cm soil layers was studied using root core and dig sampling method. 用挖坑冲洗法和改良根钻法研究了耕层(0~30cm)和1m土体内冬小麦根系生物量及其空间分布。
- The root activity below 20 cm soil layers increased a little at the rpie stage , and the reason was not clear. 成熟期20cm以下土层根系活性具有反弹上升现象。
- In desert area of Jing-Yu Gas Pipeline of Second Shan-Jing Pipeline Project, soil layers belong tofine silty sand and have very low bearing capacity. 陕京二线靖榆输气管道工程沙漠地段,由于土壤层为细粉砂,承载力极低,给挖沟及管道下沟施工带来困难,采用双侧沉管施工方法,解决了这一难题。
- Deep rooting of rice plant made easy to absorb more nutrients from deep soil layers, and protected the plant from lodging at reproductive stage. 深根水稻植株从深层土壤中吸收更多养分、保护植株在生殖生长阶段不倒伏。
- The soft soil is featured by big viscosity, bad water permeability, big water content, low bearing capacity, big settlement and complex soil layers. 软土地基的土质具有粘性大,透水性差,含水量大,承载力低,沉降量大,土层结构复杂等特点。
- There was a weak or medium differentiation of moisture content in different soil layers at the boundary of forestland-grassland. 雨季林地土壤水分的变异系数都大于草地,林地内各个层次土壤含水量差别较大,而草地内各个层次土壤含水量差异不显著;
- The below -ground biomass at different soil layers decreased with root-systems displaying increased shallowness with increasing degradation levels. 随着退化程度加剧,分布在各层的植物根量越来越少,地下根系具有浅层化特点。
- Owing to the well-distributed and uniform and unvaried soil layers in Shenzhen area, the method, thus, recommended herein would be general to a certain extent. 由于深圳地区浅部土层分布较为均匀,层位稳定,故文中介绍的方法具有一定的普遍性。
- The order of water-holding capacities in different plantation layers was as follows: soil layer > forest canopy > vegetation and litter layer. 林分不同层次的持水量大小排序为:土壤层>林冠层>林下植被和凋落物层。
- Owing to the shallow soil layers in Shenzhen area are uniformly distributed and stratigraphically steady, thus, the method recommended herein would be general to a certain extent. 由于深圳地区浅部土层分布较均匀,层位稳定,故该文介绍的方法具有一定的普遍性。
- The 19 soil samples in all soil layers in different land use types can be classified in to 3 sorts with different anti-erodibility on the basis of fuzzy-clustering analysis. 通过模糊聚类分析可将重庆缙云山不同土地利用类型不同层次的19个土壤样本划分为抗蚀性强度不同的3类。
- Slope aspect has significant influence on the layer-averaged soil moisture of some soil layers in wet and medium moisture status for wasteland, shrubland, woodland and fallowland. 对于相同的土地利用类型来说,坡向只在湿润或中等湿润时段对部分层次的土壤水分有明显的影响;
- If there is large-area fill, riprap stone or stacking fill nearby, negative friction will occur on the pile which is driven into compressible soil. 支承于土中的桩,如果其附近有大面积填土、抛石、堆载等,很可能会在桩侧产生负摩阻力。
- How can so much be compressed into one day? 这么多的东西怎么能压缩在一天之内看完呢?
- Soil adhesion may be reduced even if water cannot readily permeate the soil layer. 即使水不易进入污垢内层,也能降低污垢的吸附作用。
- On the nitrate-N accumulated characteristics in deep soil layer of winter wheat field in Taihang Piedmont. 太行山山前平原冬小麦田深层土体硝态氮累积特征研究
- She compressed her lips and kept silent. 她紧闭嘴唇,一声不吭。
- The deposition in an underlying soil layer of colloids, soluble salts, and mineral particles leached out of an overlying soil layer. 淀积作用胶状物,可溶性盐和矿物微粒从上层土壤向下层过滤的沉淀过程