surface sediment 表层沉积物(232) 表层沉积(20) 表面堆积(0)   表层沉积物      The concentration of 239 Pu in the bottom sea water is 31.7±4.7μBq/dm 3,the concentration of 238 Pu is 0.78±0.70μBq/dm 3,the ratio of 238 Pu/ 239 Pu is 0.024, which may be caused by resuspension of surface sediment.      底层海水中239Pu的浓度为31．7±4．7μBq／dm3，238Pu的浓度为0．78±0．70μBq／dm3，238Pu／239Pu的比值为0．024，这可能是表层沉积物重悬浮造成的。 短句来源      In July 1995 the sea water,surface sediment,aerosol and marine organisms were collected in the east longitude 113°00′00″～113°58′00″,north latitude 22°00′00″～22°44′00″of Zhujiang Estuary,China.      本文于1995年7月在东经113°00′00″～113°58′00″，北纬220°00′00″～22°44′00″的珠江口区采集海水、表层沉积物、气溶胶和海洋生物。 短句来源      Results The contents of B(a)P were 0.06-707.12 ng/g in sediment of rivers and lakes, 7.1-1 492.12 ng/g in surface sediment of seaports, marines, and tidal flats respectively.      结果河流、湖泊沉积物中B(a)P的含量为0.06～707.12ng/g,港湾、海域、潮滩表层沉积物中B(a)P的含量为7.1～1492.12ng/g。 短句来源      ~(110)Ag~m Sorption and Desorption on Daya Bay Surface Sediment      ~(110)Ag~m在大亚湾表层沉积物上的吸附和解吸 短句来源      Adsorption of Surface Sediment in the Yellow River on Hg~(2+)      黄河表层沉积物对Hg~(2+)的吸附研究 短句来源 更多          表层沉积      Having analyzed the samples of surface sediment from 46 sites around Xiamen Island,217 species or subspecies in 62 genuses of diatoms were found.      对厦门岛沿岸46个取样点表层沉积样品分析,共发现硅藻62个属的217个种及亚种; 短句来源      Microorganisms and carbonate lysoclme depth and CCD in surface sediment of the northeastern South China Sea      南海东北部表层沉积中微体化石与碳酸盐溶跃面和补偿深度 短句来源      Surface sediment samples at 38 sites of the South China Sea were collected and analyzed to study the contents and assemblage distributions of dinoflagellate cysts.      为研究沟鞭藻孢囊含量和组合的分布规律 ,分析了南海 38个站位的表层沉积样品。 短句来源      Based on the investigation of distribution and many seasonal water samples in the surface sediment of 45 lakes in the middle and lower reaches regions of Yangtze River, the ecological characters of total phosphorus of indexes of 57 common diatom species were studied.      在对长江中下游地区45个湖泊表层沉积硅藻属种分布及多次季节性水样调查的基础上,研究了57个常见硅藻属种对总磷指标的生态学特征. 短句来源      Study on Diatom Assemblage in Surface Sediment Profile of Tidal Beach Near Xiamen      厦门附近潮滩表层沉积剖面硅藻组合研究 短句来源 更多          “surface sediment”译为未确定词的双语例句      Their concentrations in the surface sediment of Jiaozhou Bay are <1.0～1.4,<1.0～2.8,<0.8～1.6 and <0.7～5.4 ng/g, respectively.      胶州湾沉积物中上述4种污染物的浓度分别为<1.0~1.4,<1.0~2.8,<0.8~1.6和<0.7~5.4ng/g。 短句来源      The average of BHC in the surface sediment was 11.15×10 -9 (dry),DDT 33.46×10 -9 (dry).      沉积物BHC为1115×10－9（干），DDT为3346×10－9（干）。 短句来源      SEM in the surface sediment was between 1.92 and 2.96μmol/g (dry weight), the mean is 2.22μmol/g (dry weight).      SEM含量范围为1.92~2.96μmol/g,平均值为2.22μmol/g。 短句来源      The results of this study showed that the content of sedimentary total phosphorus ranges from 736.40 to 1 602.50mg/kg in surface sediment samples, with an average value of 964.60mg/kg.      结果发现,洱海表层(5cm)沉积物中总磷的含量范围为736.40～1602.50mg/kg,平均为964.60mg/kg; 短句来源      DDT was 17.88×10-9·dry in the surface sediment.      DDT为17．88×10－9·干。 短句来源 更多        查询“surface sediment”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   surface sediment The germination of dinoflagellate cysts isolated from the surface sediment from Peter the Great Bay (Sea of Japan) provided motile cells of Gyrodinium instriatum. 例句来源       Along with other foraminiferans, several offspring-filled tests of Planoglabratella opercularis (d'Orbigny, 1839) were found in surface sediment samples. 例句来源       Some heavy metals are more enriched in the surface sediment than in the deltaic sediments, reflecting human impact. 例句来源       In addition, surface sediment samples were collected at 52 stations during the months of May, June and July (1994) to represent the non‐monsoon sediments and November, December (1994) and January (1995) to represent the monsoon sediments. 例句来源       Nevertheless, the same is not true for the surface sediment characteristics. 例句来源       更多                    Heavy minerals in 116 surface sediment samples of the Sanggou bay and in 6 samples from 3 rivers directly empties the Bay have been studied.Accord- ing to the characteristic of the heavy mineral component and to the distribu- tive patterns of the heavy minerals,the Bay can be divided into 4 heavy mineral regions:Ⅰ-hornblende;Ⅱ-zircon-titanite-epidotegarion;Ⅲ-pyrite -schistose mineral region;Ⅳ-hornblende-epidote-garnet-metallic mineral re- gion,Variousmineral regions could reflect the differances...             在桑沟湾表层沉积物中共分析116个重矿物样品,在直接流入桑沟湾的三条河流中采取6个样品.进行了分析、鉴定。根据其组合特征及分布类型,该区可分为四个矿物组合区,即:1.角闪石区,2.绿帘石-锆石-屑石-石榴石区,3.黄铁矿、片状矿物区,4.角闪石-绿帘石-金属矿物-石榴石区。各区反映了来源不同的物质以及受海洋水功力、地质化学作用的情况。本区沉积主要是由河流输入,其次是由岸边基岩侵蚀风化碎屑物质和海内自生矿物组成,受波浪、潮汐控制,扩散趋势范围不广。该区尚无外来海区物质和特殊重矿物异常的发现。 文摘来源          Samples of marine sediments, including some fragments of pumice and other volcanic rocks, have been collected from Okinawa Trough since 1978. Forty-three bottom surface sediment samples were analysed. Their heavy and light mineral contents, as well as their distribution patterns were studied. According to their mineralogical characteristies and their provincial difference in sources, the studied mineral assemblages can be divided as follows: 1. Volcanic type These minerals usually occur as...             该区的碎屑矿物有以下三个来源:即陆源碎屑物质;海底火山喷发的产物及少量海底自生矿物。其中火山喷发的碎屑矿物晶形完好,常包裹着一薄层火山玻璃,这些矿物以紫苏辉石为主,其次是普通辉石、角闪石、磁铁矿、磷灰石等。此外,还有许多浮岩碎块及火山玻璃碎屑,在浮岩的碎块中含有斜长石(An=30—80)、紫苏辉石、磁铁矿及少量橄榄石的斑晶。根据碎屑矿物的组合特征将该区分为3个矿物区和3个矿物亚区。 文摘来源          A total of 72 sporopollen types of terrestrial plants, 7 aquatic plants and several freshwater algae are recognized in 59 surface sediment samples collected from the bottom of the Dianchi Lake, the lagest freshwater lake in southwest China. The sporopollen distribution patterns of terrestrial plants in surface sediments were analysed based on pollen concentrations and pollen percentages. Multinomial fits were made to show relations of water depth with pollen numbers of some herbaceou...             作者对滇池及草海水下表层沉积物中采集的59块样品进行孢粉分析,共鉴定72种陆生植物花粉和蕨类孢子,7种水生植物花粉和一些淡水藻类,用微型电子计算机进行了数据处理,计算花粉浓度及百分含量,并作多项式拟合,表示某些类型花粉和藻类与水深的关系.在此基础上对湖盆中心、边缘及河口等不同部位花粉总浓度、木本草本植物花粉及蕨类孢子分布的规律及数量特征等进行了讨论. 文摘来源   << 更多相关文摘         相关查询: surface hydrothermal sediment seafloor surface sediment surface sediment characteristics surface sediment samples surface sediment sorts surface layer sediment street surface sediment sea surface sediment surface sediment activity urban surface sediment surface sediment type surface sediment transfer  对查询结果不满意

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