重沉積物 的英文怎麼說
中文拼音 [zhòngchénjīwù]
重沉積物
英文
dense sediment- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 沉 : Ⅰ動詞1 (沉沒; 墜落) sink 2 (沉下 多指抽象事物) keep down; lower 3 [方言] (停止) rest Ⅱ形容...
- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 沉積 : [地] deposit; sedimentation; deposition; precipitation
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The concentrations of heavy metals in benthos ( aquatic oligochaetes ) is remarkablely correlated with that in sediments ( p < 0. 01, p < 0
河涌中的水棲寡毛類與沉積物中的重金屬含量顯著相關( p 0 . 01 ) 。In clastic sediments, particle size is an important factor.
在碎屑沉積物中,顆粒大小是個重要因素。The weight of a deltaic pile of sediment may be so great as to depress the earth's crust, thus forming a moat around the depocentre.
三角洲沉積物堆積的重量可以大到使地殼下沉的程度,因此在沉積中心周圍形成一條深溝。Distribution of heavy metals in the sediments from the grand canal hangzhou section
沉積物中重金屬分佈特徵及變化On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city, the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ), the 22nd offspring purely cultivated by pearl river fishery research institute, were measured by physiological and biochemical indexes and observation of electron microscopy
本研究中首先調查了廣州市河涌沉積物及底棲生物體內重金屬含量及分佈,並以珠江水產研究所培育的水生實驗動物?劍尾魚為實驗材料,利用環境生物技術,電鏡觀察等技術方法研究了重金屬?汞對劍尾魚組織的毒害及機體必需微量元素硒對其毒害的拮抗性影響。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。The assessment on the pollution of heavy metals in sediment of guangxi inshore
廣西近岸海域沉積物中重金屬污染評價Gold and other heavy mineral placers are notable examples of lag deposits, but gravel and boulder bars are more common.
金和其它重礦沙雖是蝕余沉積物中值得注意的例子,然而卵石和頑石沙洲都是比較普遍的。The stratification of beach deposits has been studied particularly.
對海灘沉積物的層理進行了著重研究。Members of the cfb ( cytophaga - flexibacter - bacteroides ) were found to be rich in upper sediment of " warm pool " while they were not detected in sediment from " manganese nodule " area, which indicated that there were more organic substances in the " warm pool " area
除了紫細菌之外, cfb類群在「暖池」區沉積物中也是一類較重要的細菌,主要集中在表層沉積物;而在「結核」區沒有檢測到屬于cfb類群的細菌,表明「暖池」區表層存在較多的有機物。Along with the eroding mountains and sediment filling the seas, smaller bits of the continents - islands and archpelagos - are drawn closer to the continental edge and compressed onto its margins
山上沖洗下的沉積物填充了大陸架上的淺海,為大陸增添了更多的陸地。大陸版塊築造運動在活動帶移動大陸塊,重復著大陸塊的構成。The results of archaeal diversity analysis showed that most of the members belonged to crenarchaeota, and included many unidentified archaea species. abundant bacteria related to the metabolism of sulfur and methane were found in sediment collected from " warm pool " area, which indicated that the metabolism of sulfur and methane played an important role in the substance and energy conversion of this area
在「暖池」區沉積物中發現了豐富的與硫及甲烷代謝相關的細菌,對這些細菌的種類組成及其在各層次沉積物中的分佈、數量進行了分析,發現該海區沉積物中存在一條完整的硫和甲烷代謝循環途徑,它們的代謝在物質能量代謝中占據重要的地位。The morphology, composition and crystalline of the composite particles were characterized by scanning electron microscopy ( sem ), x - ray diffraction ( xrd ) and thermo - gravimetric analysis ( tga ) techniques
利用掃描電子顯微鏡( sem ) 、 x -射線衍射分析( xrd )和熱重分析( tga )對復合微球的形貌、無機沉積物cds的晶型和有機-無機成分相對含量等進行了表徵。Generally the rainfall on steeplands may be no more erosive than that on nearby lowlands, the resulting runoff and eroded sediments will move much more quickly on steep slopes, and will provoke more severe rill and gully erosion ( source : fao soils bulletin 75 )
通常坡地的降雨侵蝕比附近的低地更嚴重,這樣坡地的流失物和侵蝕的沉積物移動更快,引起河流侵蝕。Heavy metal contamination in coastal sediments of wanggang, jiangsu province
江蘇王港海岸帶沉積物重金屬污染研究Determination of heavy metal contents in the sediments from taihu lake and its environmental significance
太湖沉積物中重金屬的測定及環境意義Heavy metal pollution of stream sediment in panzhihua area
攀枝花地區河流沉積物的重金屬污染研究Index of geoaccumulation ; taizi river ; sediment ; heavy metal pollution
地積累指數太子河沉積物重金屬污染According to the characters of the compositional heavy mineral, diameter and composition of gravel, primary sedimentary structure, the sediments came from east part of the basin. they had distinguishing feature of near provenance and quickly deposit
由朱巷組重礦物組合、礫徑、礫石成分及原生沉積構造等特徵反映出沉積物來自於盆地東部,並具有近源、快速沉積的特點。The magnetic susceptibility of dianchi lake modern sediment decreases progressively from the edge to the middle of the lake, distributes with the heavy mineral of sediment basically unanimous, increases along with the degree of depth, negatively correlates with the total phosphorus
滇池現代沉積物的磁化率大小由濱岸帶向湖心依次遞減,與滇池沉積物中的重礦物分佈基本一致,在垂向上,隨著深度的加深而變大,與總磷呈負相關關系。分享友人