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- 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。
- 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。
- 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;
- 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。
- 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。
- 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 cores from Lake Titicaca itself also chronicle the event,showing a 33-foot drop in the lake level at the time. 提提卡卡湖沉淀物的岩芯也记载了这一事件的年代,表明在当时湖面下降了33英尺。
- Sediment cores from Lake Titicaca itself also chronicle the event, showing a 33-foot drop in the lake level at the time. 提提卡卡湖沉淀物的岩芯也记载了这一事件的年代,表明在当时湖面下降了33英尺。
- 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。
- There was large content of bio-available phosphorus in sediment cores, which was mainly consisted of Ex-P and Fe-P but less Al-P. 沉积物柱芯中活性磷含量较大,以交换态磷和铁结合态磷为主,铝结合态磷含量较少;
- The oldest sediments cored to date are about 150 million years old. 到目前为止取出的最老沉积物的岩心是大约1.;5亿年以前的生成。
- The REEs GEOCHEMISTRY OF CHUKCHI SEA SEDIMENT CORE 北极楚科奇海近代沉积物稀土元素地球化学特征初探
- Tsai, L.J., Yu, K.C., Chang, J.S., and Ho, S.T., (1998) Fractionation of heavy metals in sediment cores from the Ell-Ren River, Taiwan, Water Science and Techology, 37, 217-224. 许峻岚(2000),高屏海域沉积物重金属之分布与污染史,国立中山大学海洋地质及化学研究所硕士论文。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- This concept is at the very core of her theory. 这个概念是她理论的核心。
- The contents of occlude phosphorus (Oc-P), auto-calcium-bound phosphorus (Aca-P), debris phosphorus (De-P) and organic phosphorus (Or-P) were quite stable in sediment cores comparatively. 闭蓄态磷、自生磷、碎屑磷和有机磷在垂向上的含量分布较为稳定,有机磷含量最低。
- He was a military man to the core. 他是个地地道道的军人。
- Sediment cores as a h-aditional and primary instrument for studying the sedimentary environments and depositional processes of tidal flat are taken generally by gravity corer in inter-tidal flat. 研究潮滩沉积环境和沉积过程的传统的、主要的手段是采集柱状样;