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- The importance to monitor the pore water pressure and to study the permeability of soil under the north anchorage of Jiangyin Yangtze River Highway Bridge is analyzed firstly. 以江阴长江公路大桥北锚碇为例,首先阐述了锚碇地基土孔隙水压力观测和渗透性分析的意义。
- Experiments show that for the same dry density, permeability decreases with the saline content; for the same soil, with increase in saline content, permeability of soils with sodium sulphate decreases more significantly than that with sodium chloride. 结果表明:在干容重相同的情况下,渗透系数随着含盐量的增加而减小;对同一类型土,随着含盐量的增加,硫酸盐土的渗透系数要比氯盐土渗透系数减小显著;在干容重和盐类相同的情况下,细颗粒含盐土的渗透系数要比粗颗粒含盐土的渗透系数减小显著。
- Transportation of total nitrogen is meanly effected by precipitation, irrigation, rate of fertilizer application of agriculture, permeability of soil and thickness of unsaturated zone et al. 总氮的迁移主要受到大气降水、灌溉水、农业施肥量、土壤的渗透性以及包气带厚度等因素的影响。
- Results indicated that furrowing can make the soil of the ridge looser and soil porosity larger, so favoring the aeration and water permeability of soil, enlarging the storage capacity of soil water. 结果表明,起垄可使垄背土壤变得疏松,孔隙度增大,有利于土壤通气透水,增加土壤水库容。
- The permeability of saline soils is studied in laboratory. 摘要对含盐土的渗透系数进行了室内试验研究。
- The applied science of soils in relation to crops. 土壤学和作物相关的应用土壤学
- There are some clods of soil on the mat. 垫子上有些土块。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- It's rich there because of the fertility of soil. 因为土地肥沃,那儿很富裕。
- Clods of soil stuck to the spade. 土块黏在铁铲上。
- Two methods are used to evaluate the permeability of cores. 有两种方法可用来测量岩芯的渗透率。
- To increase the vapor permeability of film products. 赋予薄膜制品透气性。
- Earthworms comminute the mineral fraction of soils. 蚯蚓粉碎土壤中的无机物碎片。
- Yulan magnolia can adapt to a variety of soils. 玉兰花能适应各种土壤。
- The permeability of a soil is important for calculations of underground flow. 土的渗透性对于地下液流的计算很为重要。
- Grapes will grow in a wide variety of soils. 事实上,葡萄可以在多种多样的土壤中生长。
- Skin particles are a form of soil. 皮肤碎屑是污垢的一种形式。
- The permeability of BBB was evaluated using Evans blue (EB) . 用伊文氏蓝(Evans blue EB)示踪BBB通透性的变化。
- AASHTO T215-70/ASTM D2434-74,Standard method of test for permeability of granular soils(constant head)[S]. 张鹏飞.;路面内部排水系统研究[D]
- Moist, rich, soft, and loamy. Used of soil. (指土壤)湿润的,富饶的,柔软的,肥沃的