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- The overall structure and working principles of turbo-pressure and cycling seafloor sediment sampling drilling machine were introduced and the feasibility of the design was discussed. 详述了涡轮加压和循环式海底沉积物取样钻机的总体结构和工作原理,并讨论了该设计方案的可行性。
- Seafloor sediment sampling 海底沉积物取样
- In the stress-atrain course of being controlled, thc sound velocity of each type seafloor sediment is variance as the developing of the strain course. 各类海底沉积物在受控应力-应变过程中，声速随应变过程发展而变化；
- Rafts are generally more suitable than single boats for sediment sampling operation because of their stability. 由于稳定性较好，筏组比单舟更适用于进行取样工作。
- First we adopt stream sediment sampling to circle Au anomaly then carry out soil geochemistry survey to reduce target area, finally geological prospect to locate gold ore bodies. 先采用水系沉积物测量圈出异常，然后进行土壤（岩石）测量缩小靶区，最后进行地质普查，发现金矿（化）体。
- First we adopt stream sediment sampling to circle Au anomaly then carry out soil geochemistry survey to reduce target area,finally geological prospect to locate gold ore bodies. 先采用水系沉积物测量圈出异常,然后进行土壤(岩石)测量缩小靶区,最后进行地质普查,发现金矿(化)体。
- seafloor sediment classification 海底底质分类
- We study feature of stable and existing zones of multiple-composition natural gas hydrate in seafloor sediments. 摘要本文研究了多组分天然气在海底沉积层中稳定区和存在区的一些特点。
- For full details of the methods used for testing water and sediment samples, please refer to Appendix A-13 and A-14. 有关水质及沉积物样本测试方法详情,请参阅附录A-13及A-14。
- DDTs contents in the surface sediment samples taken from 12 reservoirs and 2 lakes were measured by GC-ECD. 2004年秋季采集了河北12个水库和2个湖泊的表层沉积物样品;利用GC-ECD测定DDTs农药的含量;在此基础上分析了其残留与组成特征以及生态风险.
- At regular intervals sediment samples are collected and later measured at the university's laboratory. 在每一段固定的时段沉积的样品，会被收集并在大学的实验室里。
- Acid-volatile sulfide in river sediment sample was measured by reaction headspace. 采用顶空色谱测定了河流底泥中的可酸挥发硫化物。
- A luminous bacterium, D40, was isolated from the marine sediment samples collected in Qingdao offshore. 从青岛近海海洋沉积物样品中分离出一株海洋发光细菌,命名为D40。
- Barium Cycling in Pore Water of Seafloor Sediment: Indicator of Methane Fluxes 海底沉积物孔隙水钡循环对天然气渗漏的指示
- In chapter 2, first part is the deduction of the spheric cavity expansion theory adapt to the seabed sediments sampling. 第二章首先对适用于海底沉积物取样的球形孔扩张理论进行了推导；
- The two tables below give a summary of parameters for water and sediment samples tested by the EPD and Government Laboratory. 以下两幅图表摘要列出环保署化验室及政府化验所测试的水质和沉积物样本参数。
- Actinomycete numbers in sediment samples revealed that a positive correlation exists between population size and location. 放射线菌类编号在沉积样品显露, 一种正面交互作用存在在人口大小和地点之间。
- Water and sediment samples are also collected and sent to laboratories for analysis of over 60 parameters such as nutrients, metals, organics and coliform bacteria. 另外,亦采集海水和海床沉积物样本,进一步分析60多项参数,包括营养物、金属、有机物和杆菌等。
- The content of sulphate reducing bacteria (SRB)of the 35 sediment samples was determined by using MPN technique in the survey areas of Bering Sea and Chukchi Sea. 用 MPN法测定了取自白令海和楚科奇海 35个沉积物样品中的硫酸盐还原菌 (SRB)含量。
- However, the contents of DDTs in eleven sediment samples were between ERL and ERM, showing the ecological risks for most reservoirs and lakes were between 10% and 50%. 但11个样点的DDTs含量介于ERL和ERM之间;表明其生态风险大多介于10%25~50%25.
