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- Data include foraminifera counts and sea surface temperature estimates derived from marine sediment cores from the north Atlantic Ocean. 数据来自于北大西洋海底沉积物的钻芯,包括有孔虫类计算和海面温度估计。
- marine sediment core 埃默里冰架
- Thirty species of dinoflagellate cysts in 15 genus are identified from KMZK5 Core samples of recent marine sediment at the Luoyuan Bay mouth, Fujian. 摘要通过对福建罗源湾口海域KMZK5柱状沉积物中甲藻孢囊的分析,共鉴定出15属30种甲藻孢囊。
- It is speculated that the sediment core is not polluted by thallium at present. 由此推测,该处沉积物当前未受到明显的铊污染。
- Researchers found the same telltale signature of drought in a deep-sea sediment core drilled from the Gulf of Oman. 研究人员在从阿曼海湾的深海沉积物中钻取的岩芯中发现了同样能说明问题的旱灾的迹象。
- 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。
- Gas hydrate deposited in marine sediment with low temperature and highpressure is a very important marine energy in the future. 摘要除地球物理方法外,地球化学方法在天然气水合物的勘探和开发中也发挥着越来越重要的作用。
- The chemical form of trace heavy metal thallium in sediment core from Pearl River was studied by the ICP-MS method and sequential analysis. 摘要利用ICP-MS测定技术和分级提取形态分析手段对珠江某处沉积物中痕量重金属铊的化学形态进行了考察。
- Trench excavation by grab dredger and install a submarine water main of 1200 mm diameter and a length of 2.1 km. The total dredged volume of marine sediment is about 362,000 m3. 工程主要涉及以抓斗挖掘管槽,敷设一条直径1200毫米和长度2.;1公里的海底供水管道。挖出的沉积物总体积估计约达362;000立方米。
- Effects of florfenicol on the activities of nitrate reductase,nitrite reductase and alkaline phosphatase in marine sediment were studied in laboratory by simulation experiment. 通过室内模拟实验研究了氟苯尼考对海洋沉积物中硝酸盐还原酶、亚硝酸盐还原酶、碱性磷酸酶活性的影响。
- As shown in the result, the acid exchangeable, reducible, oxidable and residual forms of thallium all existed in the up, middle and down bottom stratum of the sediment core. 结果表明,铊以酸可交换态、可还原态、可氧化态和残余态在上、中、下层沉积物中均有分布;
- A simple and rapid method is proposed for the determination of mercury in marine sediment samples by atomic fluorescence spectrometry using a slurry technique. 研究了一种使用悬浮液进样原子荧光光谱法测定海洋沉积物中痕量汞的快速简便的方法。
- ENVIRONMENTAL MAGNETISM OF MARINE SEDIMENTS FROM ANTARCTICA SINCE 15kaB.P. 南极15ka以来海洋沉积物的环境磁学研究
- Dong Xuhui &Yang Xiangdong Diatom community succession and nutrient evolution recorded from a sediment core of Longgan Lake , a large shallow lake in East China . Hydrobiology sinca , 2006 。 (in press). 董旭辉,羊向东,王荣,潘红玺。长江中下游地区湖泊硅藻-总磷转换函数。湖泊科学,2006;18(1):1-12.
- Sediment core samples were collected from the continental shelf of the Chukchi Sea in July 1999 and rare earth elements (REEs) were measured by instrumental neurton activation analysis (INAA). 于 1 999年夏季我国首次北极科学考察期间在楚科奇海采集了三个沉积物岩芯 ,并采用中子活化法 (INAA)测定了沉积物样品中稀土元素的含量。
- The study method of marine sediment quality criteria is described and the discussion is centred on equilibrium partitioning method widely used in defining the contamination criteria. 简要介绍了海洋沉积物质量基准的研究方法,重点讨论了平衡分配法在确定沉积物基准研究中的广泛用途。
- Paleoenvironmental record in the AB 32 sediment core from Ikroavik Lake in Barrow,Arctic Alaska was studied with geochemical assemblages,leaching factors and paleotemperature indicators. 应用地球化学元素、地球化学淋溶系数及环境温度指标,研究了北极阿拉斯加巴罗热融湖Ikroavik钻孔岩芯AB-32连续的高分辨环境记录。
- Furthermore , pret reatment to the marine sediment s is important , which enables us to compare the grain-size characteristics between terrigenous det ritus and the bulk grainsize. 另外,对陆源碎屑和全样粒度结果的对比,显示了前处理方法对于海洋沉积物粒度分析的重要性。
- Dong Xuhui &Yang Xiangdong Diatom community succession and nutrient evolution recorded from a sediment core of Longgan Lake , a large shallow lake in East China . Hydrobiology sinca , 2006. (in press). 董旭辉,羊向东,王荣,潘红玺。长江中下游地区湖泊硅藻-总磷转换函数。湖泊科学,2006;18(1):1-12.
- In interglacial periods, such as at the present time,global sea level rose to its present level and higher, and marine sediments were deposited. 几次间冰期间(现时也正值间冰期),全球的海平面升至目前及更高的水平,并沉积了海洋沉积物。