泥沙濃度 的英文怎麼說

中文拼音 [níshānóngdù]
泥沙濃度 英文
sediment concentration
  • 泥 : 泥名詞1 （含水的半固體狀的土） mud; mire 2 （像泥的東西） any paste like matter; mashed vegetable...
  • 沙 : 沙動詞[方言] （搖動以清除雜物） shake
  • 濃 : 形容詞1. （液體或氣體中所含的某種成分多; 稠密） dense; thick; concentrated 2. （程度深） （of degree or extent） great; strong
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 泥沙 : [地] silt; sediment
  • 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
  1. 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。
  2. The floe settling velocity of sediment particles is taken as the function of current velocity, salinity and suspended sediment concentration

    泥沙顆粒絮凝沉降速度考慮了流速、鹽度、含沙濃度的影響。
  3. Effect on the flocculation sedimentation velocity in different conditions of cation concentration by concentration of sediments particles

    不同離子濃度下泥沙濃度對絮凝沉降的影響
  4. The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis

    研究了等速段的臨界濃度、臨界顆粒表面積；分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。
  5. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀，本文借鑒眾多學者的研究方法和觀點，在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地，在玉米區進行了不同數量的施肥，通過野外試驗，採集一年自然降雨產流及泥沙樣品，同時採集降雨前後的耕層土壤樣品，研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響，結果表明：土壤侵蝕和氮磷的流失受諸多因素的影響，降雨量、降雨強度是重要因子，而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子，特別是暴雨，暴雨徑流中氮磷濃度較平時高得多；隨作物生長，覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異，氮磷流失都表現為顯著的差異。
  6. The studies on flocculation parameters of high turbidity water are completed more integrally, including establishing the equation about the relationship between the covering ratio of flocculent on silt surface 6 and the surface area of silt particles s. the re - concentration law of thickener underflow is studies

    建立了一定沉速下，泥沙固體顆粒表面覆蓋率與泥沙顆粒表面積s間的函數關系式；較系統地完成了高濁度水絮凝參數的研究。研究了高濁度水沉澱池排泥的再濃縮規律。
  7. The results show that the equilibrium adsorption from the sediment content to the phosphorous pollutant increases along with the increase of the initial concentration of the water phase phosphorus ; however, no significant effect from the sediment content is there on the parameters of the isothermal adsorption equation

    結果顯示，泥沙對含磷污染物的平衡吸附量大致隨水相磷初始濃度的增大而增大；而含沙量對磷吸附等溫式的參數沒有顯著影響。
  8. Taking the suspended sediment as the sand for the experiment and the normal nutritive matter - phosphorus in water as the contamination for simulation, the effect on the equilibrium adsorption of phosphorus from the initial concentration of the water phase phosphorous pollutant and the influence of sediment content on the isothermal adsorption of phosphorus are studied through the experiment

    摘要以懸移質泥沙為試驗用沙，以水體中常見的營養物質磷為模擬污染物，通過試驗研究了含磷污染物水相初始濃度對磷平衡吸附量的影響和含沙量對含磷污染物吸附等溫線的影響。
  9. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  10. For a given ph condition, adsorption of trace metals on to sediments in the changjiang estuary can be described by the langmuir equation, and implies that increase in trace metal concentrations at natural waters has limited effect on trace metal partitioning coefficients because of high turbidity. 5

    在某一給定ph條件下，長江口懸浮泥沙對5種金屬的吸附符合朗格謬爾關系，這表明，在高渾濁度天然水體中微量金屬濃度的變化對它們在固-液兩相之間的分配系數影響不大。
  11. The concentrations of suspended sediments in the changjiang estuary vary considerably

    長江口懸浮泥沙濃度變化很大。
  12. Within the framework of two - phase flow theory, an analysis is carried out based on the momentum and continuity equations of fluid mechanics. corresponding to the physical process of the interaction of the solid and fluid phase, a perturbation analysis is systematically developed

    還引用了兩相流理論中從低濃度兩相流中固相和液相的相互作用著眼，引入攝動分析的理論，並通過動量方程直接得出了懸移質泥沙濃度分佈規律的方法。
  13. Water properties like salinity and concentration of suspended sediments in the estuary vary in time and space, and alter the element partitioning between solid phase and solution via adsorption and desorption

    河口中的鹽度、懸浮泥沙濃度等因素的時空變化頻繁，並通過吸附及解吸等過程式控制制著化學元素在顆粒固相和溶液相之間的相態分配。
  14. In mobile bed experiments, the measurement of sediment concentration needs to be real - time and accurate

    摘要動床河工模型試驗中，需要對泥沙濃度進行實時和精確的測量。
  15. Increasing ph of water samples induces partitioning of metals to solid phases and hence transport of metals with suspended sediments. 3. increase in concentration of sediment promotes adsorption for trace metals onto solid - phase in the estuary, but has little influence on partitioning coefficient for trace metals

    水體懸浮泥沙濃度的增大將普遍提高體系中微量金屬在固相中的吸附，但對微量金屬的固-液分配系數k _ d （為金屬在泥沙固相中的質量濃度與其在溶液相中的體積濃度之比值）的影響並不顯著。
  16. Based on solid - liquid interface ion exchange model, using in - situ data of ph, sediment concentration, trace metal and salinity in the changjiang estuary, solid - liquid phase transformation for metals cu, zn, cd, co, ni through salinity gradient was calculated, and the modeling results was compared with in - situ data sets reported in literature

    華東師范大學博士學位論文摘要6 .在固一液界面離子交換模型的基礎上，以長江口現場調查得到的ph 、懸浮泥沙濃度、金屬濃度和鹽度作為模型的輸入量探討了cu 、 zn 、 cd 、 c 。
  17. The photoelectric sensor technology for measurement of sediment concentration in mobile bed experiments

    動床河工模型試驗中泥沙濃度光電量測技術
  18. In this method, a new perturbation technique called linearization - correction method was used to linearize the nonlinear equations in the model, and then the wavelet precise integration method was used to calculate the sensitivity of the response. at last the stochastic perturbation method is used to analyse the variance and expectation of sediment concentration, rate and depth of flow. the calculated result was high agreement with that result of monte carlo method

    在該方法中，採用了一種擬攝動法對模型中的非線性方程進行線性化，然後採用小波配置法對模型方程進行空間離散，最後用隨機有限元方法求得模型中水流速度，水深和泥沙濃度的統計特性，計算結果和montecarlo法模擬結果吻合得很好。
  19. Within the maximum turbidity zone, concentration of suspended sediments reaches up to more than 2 * 103 mg / 1

    在最大渾濁帶，懸浮泥沙濃度達到2000mg l ，甚至更多。
  20. In this study, effects of salinity, ph and spm on the solid - liquid phase partitioning for some trace elements ( cu, zn, cd, co, ni ) were examined with the samples from changjing estuary

    本論文即針對取自長江口的樣品，系統性地研究了鹽度、 ph和懸浮泥沙濃度等重要環境因素對一些微量化學元素（包括cu 、 zn 、 cd 、 co 、 ni ）固-液相態變化的影響。
分享友人
分享到 Line

分享到臉書