查询词典 sediment-covered

Characteristics of gold polygenetic compound deposits in the region are demonstrated. The new viewpoint is put forward that the gold deposits in the region belong to "sediment- metamorphism-fluid superposition reconstruction" deposits which are formed by fluid superposition reconstruction in the Diwa stage on the basis of preliminary enrichment in the fore-geosyncline,geosyncline stage.

论证了区内金成矿的&多因复成&特征，提出了区内金矿是在前地槽、地槽阶段金初步富集的基础上叠加了地洼阶段流体成矿作用的&沉积-变质-流体叠加改造矿床&的新观点。

The results show that water depth has a greater effect on the growth of Potamogeton malaianus than sediment type.

结果表明：(1)水深对马来眼子菜的影响比底质的影响大。

It indicates that: The eco-physical system composed by Potamogeton crispus system can reduce TN,TP load of river water taking sediment .

利用冬春季沉水植物菹草构建的阶梯式水生植物系统研究了其对水体悬浮泥沙及氮、磷污染物的净化效果。

It indicates that: The eco-physical system composed by Potamogeton crispus system can reduce T N ,TP load of river water taking sediment.

利用冬春季沉水植物菹草构建的阶梯式水生植物系统研究了其对水体悬浮泥沙及氮、磷污染物的净化效果。

By the comparison between archaeological stratigraphy, sediment characteristics of cultural layers and cultural interruptions, 46 ~(14)C chronological data of buried paleotrees and peat, the synthetical analysis of the distribution laws of sites, and the reference to the results from other scholars, we can see that there are 7 cultural interruptions in the three Gorges and 7 cultural interruptions in the Yangtze Delta. They are from the last stage of Chengbeixi Culture to the initial stage of Daxi Culture (7200～6000a BP)→the third stage of Guanmiaoshan Culture Style of Daxi Culture (5800～5500a BP)→the initial stage of Shangzhou Culture (4000～3500a BP )→the last stage of Shangzhou Culture (2500～2200a BP)→During the Song dynasty Culture (960-1276AD) During the Ming and Qing Culture (1368-1911AD) in the prehistorical and historical period in the three Gorges.

对长江三峡和长江三角洲考古遗址进行地层对比，考古遗址文化层和文化断层沉积特征、文化层的叠压关系、考古遗址淤砂和淤土层厚度、46处埋藏古树和39处泥炭的~(14)C年代统计数据和空间分布规律、文化遗址分布的时空变化规律等特征综合分析，发现长江三峡地区新石器时代到历史时期考古遗址地层中有7期文化断层：(1)城背溪文化末期到大溪文化初期(7200～6000a BP)；(2)大溪文化关庙山类型三期(5800～5500a BP)；(3)商周早期(4000～3500a BP)；(4)商周晚期(2500～2200a BP)；(5)宋代时期(960-1276AD)：(6)明清时期(1368-1911AD)；(7)近现代时期。

An amount of psychrophilic bacteria was isolated from deep sea sediment collected from Prydz Bay, Antarctica. The strain AC167, which showed high cold-active chitinase activity, was screened from these bacteria. It was identified as a Pseudomonas species by 16S rDNA sequence comparison.

从南极普里兹湾深海底泥样品中分离得到一批嗜冷细菌，对这些嗜冷细菌进行了产几丁质酶菌株的筛选，对其中一株具有较高产酶活性的菌株AC167所分泌的几丁质酶进行了性质分析，并通过16S rDNA序列分析进行了菌株的分子鉴定。

Studies on rock and ore micro fabric that control mineral preservation stratum of the deposit,and the siliconization and pyritization contacted with gold mine origin reflects the characteristic of syndepositiondiagenesis,which indicates the sediment-diagenesis and later stage mild reconstructive genetic mechanism of Shuiyindong gold deposit.

黔西南水银洞金矿是一特大型富金矿床，矿体成群多层、顺层产于龙潭组地层中，通过系统研究水银洞金矿赋矿地层岩石及矿石的显微组构特征，以及与金矿成因联系密切的硅化及黄铁矿化特征，均显示为同沉积—成岩特征，共同指示水银洞金矿沉积—成岩后期轻微改造的成因机制。

The results indicate that the distribution of gross amount of REE in surface sediments well corresponds to that of the sediment types.

结果表明，表层沉积物中稀土元素总量的分布与沉积物类型有良好的对应性。

The lower the partition coefficient existed, the more easily the remobilization of heavy metals from sediment particles occurred.

分布平衡系数kD愈小，代表重金属愈易释出，锌及镍比铅及铬更易於释出到孔隙水中，而铜最不易释出到孔隙水中。

The transformation rate of pollutants in sediment The main source of organic matters of wetlands is the residua of reed and wild rice.

污染物在沟渠湿地底泥中的转化率湿地有机质的主要来源是芦苇和茭草残株的分解。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。