河流沉積物 的英文怎麼說
中文拼音 [héliúchénjīwù]
河流沉積物
英文
fluvial deposit- 河 : 1 (天然的和人工的大水道) river 2 (指銀河系) the milky way system; the galaxy 3 (特指黃河) t...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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...
- 河流 : rivers; stream
- 沉積 : [地] deposit; sedimentation; deposition; precipitation
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The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits
分等結果表明:臥龍區等的耕地中,有87 . 6分佈在沖積、湖積平原區,主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土;等耕地中,有61 . 4分佈在壟崗區,主要土壤類型是洪坡積物上發育形成的黃褐土:而、等耕地集中分佈在丘陵區,主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土,等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。Modeling the relationship between hexi inner continental river sediment grain - sizes and drainage basin height differences
河西內陸河現代沉積物粒徑與流域高程關系研究The genesis of valley deposits is intimately associated with the history of the stream by which they were formed.
河谷沉積物的成因實質上與河流形成的歷史相聯系。Many research such as clay minerals, suspend in the sea, the grain size trend analysis of surface sediment, poc 6 cu and 8 c13 in bottom sediments etc. showed that : the yellow sea warm current divided the south yellow sea into two, the terrestrial material of modern sediment on the west shelf plain mainly came from the modem yellow river suspend carried by the alongshore current, and the sediment difference between the west and east side of yellow sea trough was represented by the sedimentation thickness in postglacial period, sedimentation stratum, and oxygen isotope record
粘土礦物、碳酸鹽、粗碎屑、海域懸浮體、表層沉積物粒度趨勢分析、 poc c ~ ( 13 )及底質沉積物的c ~ ( 13 )等多方面研究表明:以黃海暖流為主導,南黃海堆積陸架平原西側現代沉積物陸源物質主要源於黃海沿岸流攜帶的現代黃河懸移物質,黃海槽東西兩側的沉積差異主要表現在冰消期以來沉積厚度、沉積層序、氧同位素記錄上。She has explored rivers in amazonia, the andes, the himalayas and the sultanate of oman to identify the influence of these sedimentary environments on local vegetation
她探勘過河流的地區,包括亞馬遜河流域、安地斯山、喜馬拉雅山、西亞的阿曼王國等地,為的是要了解當地沉積物生成環境對植物群的影響。Because during the sedimentation of the flood plain - estuary fades, the conditions of sea level rising, tidal regime, sediment supply and accommodation space were suitable for the development of a tidal ridge system, the sand lenses associated with this facies may represent tidal ridge formation in the incised valley
在河漫灘河口灣相沉積期問,由於海平面上升、潮流體系、沉積物供給和可容空間條件適合一個潮流沙脊體系的發育,其中的砂質透鏡體可能代表了下切河谷內發育的潮流沙脊。Measurement of liquid flow in open channels - sediment transport - sampling and analysis of gravel bed material
明渠流量測量.第10部分:沉積物夾帶.第10e節:礫石河床材料取樣和分析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 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Rivers and torrents carried great loads of sediment out to sea.
河流挾著大量沉積物奔流入海。A delta is a deposit of sediments that forms near the junction of some rivers with a standing body of water.
三角洲由沉積累積而成,這些沉積物形成於某些河流與靜水體匯合處的附近。At the edge of many lakes and rivers are saturated wetlands ? the swamps, bogs, and marshes ? that support myriad types of plant and animal life, prevent floods, retain sediments, and purify drinking water
許多河流湖泊的邊緣都是潮濕的土壤? ?沼澤、泥沼和濕地? ?那裡生長著各式各樣的動植物,是防洪、沉積物聚集和凈化飲用水的地方。The comparison of the component particles of baijiaziu profile and mafangtan profile with that of modern flood plain substance of weihe river indicates that the river impetus of weihe river has gradually been getting weaker, which reveals that it has gradually been getting dryer since the last 1300 years
西安高陵白家嘴河流沉積物粒度隨深度的變化及其與渭河現代河漫灘沉積物粒度特徵的對比表明,渭河近1 3ha來有流量減少,流速減慢,水深變淺的發展趨勢。Characteristics of phosphorus species distribution in sediments of yilihe river and xitiaoxi stream
太湖宜溧河和西苕溪幹流沉積物中形態磷分佈特徵The variation of coarseness and fineness of the component particles in baijiaziu profile and mafangtan profile is caused by river impetus of weihe river, including runoff volume and velocity of flow, which is closely related with climatic factors in guanzhong basin, such as precipitation, temperature and rainfall
白家嘴與馬坊灘河流沉積物剖面粒度變化與渭河水動力變化直接相關,而渭河水動力條件又與渭河流域區域氣候變化有關。因此,粒度在剖面上的變化實質上是氣候波動的結果,利用其變化可重建河流沉積物形成以來的水文、氣候環境的演化歷史。It indicats that the fluvial sedimentary sequence of the flood plain of weihe river in this region is rather complete and continuous. the grain - size analysis carried out in laboratory has revealed the characteristics of the changes of weihe river during last 1300 years. based on multi - disciplinary analyses, including landform characteristics, grain - size and documents datum, the paper has attained the following important conclusions
分析了渭河三個河流沉積物剖面的粒度組成特徵,剖面各層粒度分佈特徵,剖面粒度參數md 、 mz 、 、 sk 、 kg的變化,剖面粒度特徵值- 5 、 16 、 25 、 50 、 75 、 84 、 95的跳動,並將三個剖面的粒度特徵作了對比。A method of secondary phase evrichment factor for evaluation of heavy metal pollution in sediment was proposed. a case study was carride out for the chai river based of field samping and analysis. the approach was compared with currently used methods
目前,國外學者提出的幾種關于河流沉積物重金屬污染評價方法,具有其本身的特點和應用性,但也存在著某些局限性。為彌補這些評價方法的不足,提出了次生相富集系數法,並應用此法對柴河流域沉積物重金屬的污染水平進行了評價。Many problems in sediment engineering involve dealing with river valley deposits as a whole.
泥沙工程中的許多問題都把河流的河谷沉積物作為一個整體來研究。Changing of the riverbed conductance provides high change in river gaining rate compared to change in river losing rate. this difference can be attributed to aquifer anisotropy, river penetration, hydraulic balance between groundwater head and river stage
其中河床沉積物滲透性的改變引發的河流得水率變化明顯大於河流失水率的變化,分析其原因為含水層的各向異性、河流的滲漏、河水與地下水的水力均衡。The river package of visual modflow code was used to understand the interaction between songhuajiang river and the nearby aquifer and the effect of riverbed conductance on river leakage. induced infiltration, reduced baseflow, river losing and river gaining are the main factors used to demonstrate these phenomena
用modflow的河流程序包對松花江與附近含水層以及河床沉積物滲透性的互聯系進行分析,並用誘發入滲、基流減少、河流失水和河流得水等4個主要因子來證明。分享友人