水下沉積物 的英文怎麼說
中文拼音 [shuǐxiàchénjīwù]
水下沉積物
英文
submerged deposits- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 下 : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
- 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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In the study of the lumber carrier, one of the very important problem is the in spot and ultimate station due to flooding which will bring tremendous threat to the ship because of the few holds in order to study the lumber carrier buoyancy, stability and longitudinal strength under the condition of flooding, the paper adopt fundamental ship principle and iterative and accumulative concept on the basis of insumersibility theory to detailedly calculate the flooding speed flooding amount front draft after draft stability and longitudinal strength considering the ship " s sinking and inclination which will change the center of gravity and the loading station both in hold and on deck and the effect of flooding and lumber amount in holdo in the last, the paper introduces an example of the actual ship named " fei yun ling " and makes a contrast between not taking measure and taking measure which draws a reasonable conclusion and comes up to some advice the method avoids the cockamamie calculating while insures enough precision the paper draws a conclusion that not all the lumber carrier will submerge when suffering the damaged flooding if the loading or measure is suitable
為了研究運木船舶在破艙狀態下的浮性、穩性和強度,本文在抗沉性理論的基礎上,運用船舶基本原理,採用了迭代和累計的思想,將船舶的進水過程劃分為很多次進水的積累,詳細計算了運木船在破艙進水的過程中,考慮到各種破艙參數、船舶本身的下沉、艙室內木材、甲板貨的裝載情況和在進水過程中船舶本身的傾斜對進水重心的影響,以及艙室內的進水量和木材對破口處進水速度的影響,船舶總的進水速度、進水量、首尾吃水、穩性的實時狀態和最終船舶的總縱強度,給出了計算實例,並進行了在採取用泵抽水前後浮態參數的對比,得出了該船舶在艙室內的貨物積載量達到某個數值時可以保證船舶在破艙進水時不會沉沒,或者在當開口小於某數值時,採取適當的措施后,可以使船舶避免沉沒。They may also make still and motion pictures of the trench, take water and sedimental temperatures, and perhaps sight no one knows what living creatures in that perpetual night
他們還要對海溝攝像攝影,測量水和沉積物的溫度,也許還能觀測到那永恆黑夜下中不為人知的生物。Intensity variation of sediments due to wave loading on subaqueous delta of yellow river
黃河水下三角洲沉積物強度變化原位測試研究The global change study is one of the most spectacular and interesting environment scientific questions in the 1990 s. the message of global change stores in tree rings, ice core, loess, underground water, lake sediment and deep sea sediment, all these proxies record the information of global change. with the advances in stable isotope techniques, the isotopic tracer records the message of climatic variation and becomes a powerful tool that can understand paleoenvironment reconstruction and modern environment changing
全球變化研究是90年代以來最為引人注目和關切的環境科學問題之一。全球環境變化的信息儲存於樹輪湖泊冰芯黃土地下水和海洋沉積物等載體中,隨著穩定同位素技術的發展,同位素示蹤劑指示環境變化的信息,成為了解古環境再造和現代環境信息變化的一個強有力的工具。According to the analysis of the beach distribution, landforms and structure of flood land, hydrologic geology and bad geological phenomena in the middle - lower reaches of yangtze river, this paper comprehensively studies the environmental geological conditions for harbour construction in the banks of yangtze river. discussed are the relation between inner material component and rock system beheath in the beach. presented are beachs structure and the category and the behaviour of groundwater, and offers a scientifis basis for harbor construction
論述了長江中下游漫灘分佈特徵及其成因,分析了漫灘微地貌及其相關沉積物的地質特徵,從漫灘內部物質組成及其下覆巖系關系,全面地論述了漫灘的結構特徵,闡述了地下水的類型及動態,以及由此引起的不良地質現象,為長江中下游港口工程建設提供了地質依據From the research results, we can see that the initial reason, which leads to the degradation of xuanwu lake ecosystem, is pollution. pollution makes the water and sediments hypertrphiation, increases the opacity of water, and decreases the oxygen in water, so the wetland higher plant communities decrease or disappear. the wetland ecosystem loses the balance, while the biodiversity also decreases
研究結果表明,引起玄武湖濕地生態系統功能退化的初始原因是嚴重的環境污染問題,污染加劇了水體及沉積物中的營養鹽含量,增加了水體的渾濁度,降低了水體中的氧含量,從而導致濕地高等植物群落減少乃至消失,盡而引起濕地生物多樣性下降、生態系統失去平衡。( 3 ) box model results indicate that the net flux of suface water, flowing into the south china sea, is about 8. 364x 106t / s and the net flux of water, which is under suface water, flows out of the south china sea at about 8. 229x 106t / s on annual average. the quantity of din, reactive phosphate or reactice silicate, which sinked into deep water in the form of particle matter, was about 78, 71 and 80 percent of total quantity of din, reactive phosphate and reactive silicate, which flowed into suface water in any ways. but in these particle matters, ahout2. 9 percent of particle nitrogen, 2. 0 percent of particle phosphor and 8. 2 percent of particle silicon sinked into sediment
( 3 )據「箱式模型」估算年度平均南海表層水通量約為8 . 364 10 ~ 6t s的凈輸出,表層之下水體約有有8 . 229 10 ~ 6t s的凈輸入;同時到達表層溶解態無機氮、活性磷酸鹽和活性硅酸鹽總量中約有78 、 71和80隨顆粒物質下沉到深海;其中未被分解而進入海底沉積物的顆粒態氮、磷和硅僅占由表層沉降深海顆粒態氮、磷和硅的2 . 9 、 2 . 0和8 . 2 。The two tables below give a summary of parameters for water and sediment samples tested by the epd and government laboratory
以下兩幅圖表摘要列出環保署化驗室及政府化驗所測試的水質和沉積物樣本參數。Visual modflow computer code was selected to simulate heads distribution, calculate the zone budgets of the area, evaluate the effect of external stresses on the groundwater head, to determine how much water would be diverted from the river as the result of pumping and to demonstrate how the groundwater model can be used as a comparative technique to formulate a new approach for the quantitative groundwater vulnerability assessment in order to optimize utilization of the resource
在分析河床沉積物滲透性對模型結果的影響時,採用了實際野外水文地質條件而不像前人所採用的假想模型。本論文用visualmodflow建立數值模型模擬預測了地下水水頭分佈,計算區域的水均衡,分析源匯項對地下水水位的影響。在此基礎上進行了全區的地下水脆弱性評價,為地下水資源的合理開發利用提供依據。This was a particularly severe problem in the lower shing mun river in sha tin, but dredging and a bio - remediation project undertaken in 1997 made a huge difference to the smell of the river
沙田城門河下游以往曾有河水發出惡臭的問題。政府於1997年治理河道,在河床口進行挖掘污染沉積物工程及利用生化處理方法改善沉積物質素,難聞氣味已較以前大幅度減少。Under the effect of hydrodynamic, nitrogen and phosphor transport dynamically on the tidal flat and adsorb, release and exchange complexly with sediment
在水動力作用下,氮、磷元素在潮灘上發生動力輸移,並與沉積物之間進行復雜的吸附、釋放和交換行為。Influenced by flood dominated current in the flood channels, the characteristics of surface sediments, such as grain size, light and heavy minerals, micro - paleontology and magnetism in the flood channel are very different from those in the ebb channels, this kind differences is the response for complex hydrodynamic in estuary
河口漲潮槽在漲潮優勢流作用下,槽內表層沉積物的粒度、輕重礦物、微體古生物和磁學等特徵不同於落潮槽相應的沉積特徵,體現了沉積物的分佈對河口復雜水動力的響應。Heavy metals and organic contaminants are very persistent in marine sediment. sediments in victoria harbour have an elevated organic content and are highly anoxic with low electrochemical potential due to sewage, as well as being contaminated with heavy metals
海洋沉積物內的重金屬及有機污染物一般均難以降解而維持較久,長期以來污水排放使維多利亞港海床沉積物的有機物含量偏高,因而導致沉積物高度缺氧和電化學勢下降,重金屬污染也較嚴重。The second terrace turned into a complex terrace because of the slackwater sediments caused by the yellow river ' s flood in late holocene
距今4000年左右的史前洪水階地上加積了一層平流沉積物,形成復合型階地,其下部為基座階地,上部為上疊階地。6 diversion of the channels and cofferdams shall be used to minimize potential disturbance to water bodies, to limit adverse impact on water quality at downstream and to contain sediments
應把水道或圍堰改道,以減少對水體可能造成的擾動,以盡量避免對下游的水質造成不良影響及挖到沉積物。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 effects of submerged plant on the concentrations of different nitrogen species in overlying water, porewater and sediment of different layers from water - sediment interface were investigated in simulating condition
摘要在室內模擬條件下研究沉水植物對水沉積物界面的上覆水、不同層次的間隙水和沉積物中不同形態氮含量的影響。Generally this research successfully formulated a new approach of quantitative gva, confirmed that visual modflow can be used successfully as a comparative technique for quantitative groundwater vulnerability and evaluated the effect of riverbed conductance on river leakage
此次研究創造性地採用了一種新的地下水脆弱性定量評價方法,結果同時也說明可視化modflow可以用做地下水脆弱性定量評價和河床沉積物滲透性影響的對比技術。The epd s long - term monitoring data indicates that the electrochemical potential of the sediment at sam ka tsuen typhoon shelter which reflects its oxygen content was substantially raised became less negative as a result of the bio - remediation programme, and the total sulphide level hydrogen sulphide gas, the source of the bad odour was significantly reduced
環保署的長期監測數據顯示,三家村避風塘的沉積物經生化處理后,其電化學勢反映水含氧量大幅提高負數值降低,而總硫化物水平導致臭味的硫化氫氣體來源則明顯下降。The rank order of the concentrations of different nitrogen species of porewater in different layers from different treatments was the lower layer > the medium layer > the top layer, but the concentrations of ammonia and nitrate of sediment were disciplinary
不同處理不同層次的間隙水中,各形態氮含量均為下層中層上層,但沉積物中氨氮和硝態氮含量變化規律不明顯。分享友人