sediment 中文意思是什麼

音標 ['sedimənt]
sediment 解釋
n. 名詞 1. 沉澱(物);沉渣。
2. 【地質學;地理學】沉積物。

  1. A statistical model is developed and indicates high correlation between the accretion of modem yellow river delta and the water and sediment discharge of yellow river, and the model shows the necessary water and sediment discharge per year to ensure the equilibrium of alluvion and erosion of yellow river delta

    黃河三角洲凈造陸面積與黃河入海水沙量的統計模型說明,黃河三角洲沖淤動態平衡時的黃河入海徑流量為71 . 93億m ~ 3 a ,輸沙量為1 . 853億t a 。
  2. Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively, quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made, and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry. it is found that the accretion of modem yellow river delta is becoming less and less, what ' s more, erosion is even more than alluvion in some recent years. diaokou promontory has been eroded seriously since yellow river changed its course in1976

    以一般高潮線反映現代黃河三角洲沖淤演變時,從1976年黃河改道清水溝流路入海到2000年,整個黃洞三角洲凈造陸201 . 5km ~ 2 ,淤積有逐漸變慢的趨勢,甚至出現凈蝕退的年份;刁口河嘴大量蝕退,蝕退速率開始快速,后來逐漸變慢;清水溝河嘴大量淤積,淤積速率開始迅速,后來逐漸變慢,甚至出現凈蝕退;清水溝河嘴南側到支脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸線基本穩定。
  3. Side effects include pain in stomach, amenorrhea, palpitation, facial pigment sediment ; but after decreasing dosage or stopping medication symptoms will subside except amenorrhea

    有胃痛、經閉、心悸、面部色素沉著等,在減藥或停藥后均可消失(但經閉除外) 。
  4. The research indicates that the modern sediment is divided three layers : polluted layer, transition zone and unpolluted layer. just the pollute layer cause dianchi lake environmental pollution. the high value district of ammoniac nitrogen distributes near northern part haigeng mainly, middle part increase slightly, have most lower near southern part, the content of ammoniac nitrogen of the polluted layer sediment lower than the lower layer ; the high value district of effective phosphorus distributes near haikou - jinning, from the north to the south, the content of effective phosphorus increases progressively, the content of effective phosphorus of the polluted layer sediment obviously higher than the lower layer

    研究結果表明:滇池現代沉積物主要分為三層,污染層、過渡層和未污染的湖泊沉積層,其中污染層是對滇池環境污染造成影響的層位;氨氮的高值區主要分佈在北部海埂附近,中部略有增高,南部則最低,表層沉積物的氨氮含量低於下層;而有效磷的高值區則分佈在海口?晉寧附近,由北向南,有效磷的含量依次遞增,表層有效磷的含量要明顯高於底層。
  5. So the effect of eutrophication of dianchi lake of sediment ca n ' t be ignored. based on the research of modern sediemnt of dianchi lake, the thesis is concerned about some physical and chemical characteristics ( including magnetic susceptibility, ammoniac nitrogen and effective phosphprus etc. ) and thermodynamics analysis of spontaneous mineral of iron

    本論文主要以滇池現代沉積物為研究對象,對滇池現代沉積物的主要物理和化學性質(包括氨氮、有效磷、磁化率等) ,進行基礎性地分析研究並對滇池現代沉積物鐵的自生礦物進行了熱力學分析。
  6. The contents of organic matters, tn and tp in sediment layer from 0 - 20cm also decreased after 2 months of harvested, but nh / - n and no3 - - n increased due to the amelioration of transperancy and aeration, which accelerated ammonification and nitrification

    2個月以後,收割區底泥0 - 20cm深度范圍內有摘要機質、 tn 、 tp含量明顯下降,收割改善了濕地的通風、透氣條件,促進了氨化和硝化作用的發生,使底泥中nh擴一n和n島一n含量上升。
  7. The population distribution of physiological groups of bacteria , including ammonifying bacteria, denitrifying bacteria, nitrobacteria and nitroso bacteria, organic phosphate dissolving bacteria and inorganic phosphate dissolving bacteria in water body and sediment of suzhou creek are studied with mpn and flat account method from jan. 2002 to mar. 2003. the role of these physiological groups of bacteria in suzhou creek aquatic ecosystem is discussed

    用最大可能數( mpn )法和平板計數法,於2002年1月2003年3月對蘇州河水體和底泥中的主要微生物功能菌群? ?包括有機磷分解菌、無機磷分解菌、氨化菌、亞硝化菌、硝化菌和反硝化菌等進行了生態調查,並分析探討了它們在蘇州河水生態系統中的作用。
  8. Water quality - determination of acute toxicity of marine or estuarine sediment to amphipods

    水質.海水或河口沉積物對端足類甲殼動物急性毒性的測定
  9. Standard guide for conducting sediment toxicity tests with marine and estuarine polychaetous annelids

    用海洋和港灣多毛綱環節動物作沉積物毒性試驗的標準導則
  10. Organochlorine residues in aquiculture water and sediment

    養殖用水及底泥中有機氯農藥的多殘留分析
  11. Towards the research on two flood water of yuhe river in datong city during 2004, by measuring and comparing their discharge, sediment concentration 、 nutrient include organic, phosphorus, potassium, azote, the result shows that the nutrient content of the sediment is greatly larger than that of supernatant fluid

    摘要以2004年大同市御河乾渠兩場洪水為研究對象,對其流量、含沙量、養分(包括有機質,氮,磷,鉀)做了測定和比較,研究結果表明:洪水中下層泥沙中的養分含量遠大於上清液中的養分含量;洪水中整體養分含量隨著含沙量的增大而增大,並且養分含量和含沙量呈近似線性關系。
  12. Stain of the sediment reveals numerous bacteria.

    尿沉渣染色顯示無數細菌。
  13. The main contents include : water environment, marine sediment and the trend monitoring of marine life quality ; at the same time, to consolidate the monitoring of the functional zones, such as seashore bathing places, oceanic reserves, marine aquafarms ; to set up the seashell monitoring and controlling zones in the sea areas of both pingtan and yunxiao at the first time ; to carry out the statistical monitoring of polder, exploiting sea sand, spartin aallerni flora, terrestrial sewages, etc., to carry out monitoring of the total quantity of pollutants into the offshore marine areas in the min river, the jiulong river as well as the municipal sewages of xinlin industry in xiamen and jiaocheng in ningde ; to carry out the red tide monitoring in the offshore marine areas of fujian province ; to implement time - lapse, pointing and continuous red tide monitoring of high frequency and high intensity in the sandu gulf, the min river estuary and offshore marine areas of xiamen

    主要內容包括水環境、海洋沉積物和海洋生物質量的全海域環境趨勢性監測,同時加強了海水浴場、海洋保護區、海水增養殖區等功能區監測;首次在平潭和雲霄海域設置了貝類監控區;開展了圍填海、海砂開采、互花米草、陸源排污口統計監測;並在閩江、九龍江、廈門杏林工業排污口、寧德蕉城市政排污口鄰近海域開展污染物入海總量監測;在全省近岸海域開展赤潮監視監測,對三都灣、閩江口、廈門近岸海域赤潮監控區實施高頻率、高密度的定時定點連續監測。
  14. Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed

    利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律,但由於實測水深資料獲取較為困難,因而利用遙感來反演水深是一個重要的選擇,為此,本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗,試驗結果表明,在極高泥沙濃度、較強水動力條件的黃河口海域,用多光譜遙感反演水深是可行的。
  15. The deposition of bed load sediment was greatly reduced in the sump by adding a flushing gallery

    通過在集水池底設置排沙廊道,較好地解決了推移質泥沙淤積問題。
  16. Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for yangtze estuary is developed

    摘要通過對長江口徑流、潮流和波浪共同作用下的泥沙運動規律的研究,開發並建立了長江口全沙(懸沙和底沙)數學模型。
  17. Sediment, soil & biota - trace metals, organic pollutants

    沉積物、土壤及生物區系(微量金屬、有機污染)
  18. Maintains the breeding pond so that sediment does not collect on the bottom

    維持繁殖池,池底不產生污泥,控制水質。
  19. Maintains the breeding ponds so that sediment does not collect on the bottom, and also controls water quality

    :維持繁殖池,分解排泄物,可減輕排泄物對水質的污染,對改善水質有幫助。
  20. " it could be acidic water, it could be briny water, it could carry lots of sediment or be slushy, but [ it appears that ] water is involved, " edgett added

    「那可能是酸水,可能是鹽水,可能攜帶有很多沉積物,也可能是泥濘的,但看上去跟水肯定有關系。 」
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