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- Nutrients in Sediment Pore Water in Tidal Flat Area in Yaluiiang Estuary 鸭绿江口潮滩沉积物间隙水中的营养盐
- GEOCHEMICAL CHARACTERISTICS OF SEDIMENT PORE WATER FROM SITE XS-01 IN THE XISHA TROUGH OF SOUTH CHINA SEA AND THEIR SIGNIFICANCE FOR GAS HYDRATE OCCURRENCE 南海北部陆坡西沙海槽XS-01站位沉积物孔隙水的地球化学特征及其对天然气水合物的指示意义
- Sediment pore water 沉积物间隙水
- The concentrations of Pb, Cu, Cr, Cd, Fe and Mn in the overlying water and the pore waters of Dianshan Lake sediment were determined using PERKIN-ELMER 5100PC AAS. 用原子吸收光谱仪测定了淀山湖上覆水体和沉积物孔隙水中Pb、Cu、Cr、Cd、Fe和Mn的浓度.
- The pore volumes and the amounts of pore water also may vary considerably in actively expelling source beds. 在排烃作用活跃的烃源岩中,孔隙体积和孔隙水的数量也会发生很大的变化。
- U nderground water consists of Quaternary pore water, bedrock fissure water and ve in fissure water in structure zones. 矿区地下水类型有第四系孔隙水、基岩裂隙水和构造带脉状裂隙水等三类。
- At last, the approximate calculation methods of pore water pressure and flowing pressure are presented. 给出土坡稳定性分析中对孔隙水压力和动水压力的近似计算方法。
- The groundwater is composed of pore water,bedrock fissure water and vein-like fissure water in structural zones. 地下水有孔隙潜水、基岩裂隙水和构造带脉状裂隙水三种类型。
- Based on the geochemical results of sediments at site HD196 in Dongsha islands,the features of major elements show the tendency of two sections,and just consistent with the change of the ion content of pore water and methane in the sediment. 对南海北部东沙群岛附近具有BSR特征的HD196站位沉积物样品的地球化学特征进行综合分析,得到以下结果:柱状样沉积物的常量元素的分布具有分段性,且与沉积物孔隙水中的离子浓度和甲烷含量的变化趋势相一致,可能对其下面是否存在天然气水合物有指示意义;
- High variability was found in the interstitial water using a1 cm resolution device. Nitrate was never detected in the pore water. 用1厘米的分辨率在孔隙水中发现了高可变性。在孔隙水中未检测出硝酸盐。
- High variability was found in the interstitial water using a 1 cm resolution device. Nitrate was never detected in the pore water. 用1厘米的分辨率在孔隙水中发现了高可变性。在孔隙水中未检测出硝酸盐。
- Making use of the dilatancy of phosphogypsum,the safety of phosphogypsum dam can be forecasted theoretically by the pore water pressure monitoring system. 利用磷石膏的剪切破坏发生在负孔压的这一特性,理论上可以通过坝体内孔压变化的监测来预测磷石膏坝的安全性。
- Furthermore, an instance of double disk load model was adopted to numerate the spatial and time distribution of pore water pressure. 并选取常用的双圆荷载计算模型,对饱水沥青路面孔隙水压力的空间和时间分布进行计算。
- For Suzhou city of Anhui Province, it is obvious shortage of water city because of overdrafting the middle and deep stratum confined pore water. 摘要安徽省宿州市是以超采中深层承压孔隙水为主的缺水城市。
- It was found that the ionic concentrations in pore water showed obviously anomalous during gas hydrate formation in porous media. 利用不同粒径的多孔介质模拟了海洋天然气水合物的生成过程,测定了孔隙水中主要离子质量浓度的变化。
- The parameter of the pore water pressure and soil pressure are unfitted as the monitoring and forecasting index for bank collapse. 2.;内部孔隙水压力及土压力参数不适合作为崩岸的监测预测指标。
- According to the contents and the origins of organic and carbonic acids in pore water, the formation mechanism of secon... 该研究对于台北凹陷乃至整个盆地侏罗系的油气勘探和开发具有重要的现实意义。
- Burial diagenesis causes a progressive transformation of smectites, the end-products being dependent on PH and pore water chemistry. 埋藏成岩作用可使蒙脱石进一步转化,最终产物决定于PH值及孔隙水的化学性质。
- The results also showed that the relationship between the normalized pore water pressure and the generalized strain fit the bilinear model. 归一化后的孔隙水压力比与广义剪应变之间的关系可以用双曲线表示。
- He emptied out the water barrel to clear it of sediment. 他把水桶倒空以清掉桶底的沉淀物。