sediment particle 中文意思是什麼
sediment particle
解釋
泥沙顆粒-
With the wide application of carbon / phenolic composite in spacecrafts and missile hulls, the prediction of dynamic response or internal damage of structures subject to explosion, impact or the shock wave induced from the sediment of high - energy particle beam and the evaluation of capability of composite in defending stress wave, aroused the study of the constitutive relation and the characteristic of stress wave propagating
隨著碳酚醛在航天飛行器結構及導彈殼體中日益廣泛的應用，預測結構受到爆炸作用、沖擊或由於高能粒子束在其表層大量沉積而產生的應力波所引起的動態響應及內部損傷，以及對其防護應力波的性能進行評估等，都需要對碳酚醛的本構關系以及應力波在其中的傳播特性開展研究。 -
3 analyzing particle size of the wind - blown sediment and surface soil indicate that the former in 0. 02mm - 0. 2mm occupy about 40 % and 55 % of sloping field and shoaly land of bashang, which shows that bashang is the erosion and desertification region or the latency. 4 the search of decreasing effect of wood strap indicates that in lower wind speed the effect is distinct
3風蝕物及表層土壤顆粒粒徑分析表明，地表200cm高度內風蝕物粒徑在0 . 02mm 0 . 2mm之間；壩上地區坡梁地與灘地該粒徑范圍顆粒分別佔40和55左右，說明壩上地區是風蝕沙化或潛在風蝕沙化地區。 -
By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water
通過對細小顆粒在剪切流場中運動方程的fourier分析，得到了顆粒脈動強度和流體脈動強度之間的定量關系，表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素，首次從理論上證明了在一定條件下，顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度，為已有的實測資料提供了合理的解釋。 -
Liquid flow in open channels - sediment in streams and canals - determination of concentration, particle size distribution and relative density
明渠水流.河河渠泥沙.含沙量粒度分佈和相對密度的測定 -
Instrument for sediment measurement and particle size analysis in open channel
河流泥沙測驗及顆粒分析儀器 -
The size of a sediment particle alone is usually not sufficient to describe it.
單顆泥沙的粒徑通常不足以描述其性質。 -
Analysis on variations of particle size of sediment in the main channel of the lower yellow river
黃河下遊河道主槽淤積物粒徑變化分析 -
In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年，沉積物監測包括分析61種物理及化學參數，其中有粒子大小電化學勢有機污染促使沉積物缺氧，而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物，是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。 -
Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of liujiaxia reservoir, the streamwise variation and variation process of median diameter of bed load during silting and scouring periods of the fluctuating backwater reach are analyzed, and it can be seen that the turning point for the sediment diameter variation from coarse to fine is located at the outlet of shigou gorge of the fluctuating backwater reach
摘要根據劉家峽水庫變動回水區的河段地形特徵和歷年河床質泥沙粒徑級配資料，分析了變動回水區河段淤積和沖刷時，河床質泥沙中值粒徑的沿程變化和歷年河床質泥沙中值粒徑變化過程，並指出粒徑分佈由粗變細的轉折點在變動回水區寺溝峽峽口處。 -
( 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 。 -
Study on soil and sediment particle size distribution and nutrient loss
土壤及泥沙顆粒組成與養分流失的研究 -
The paper introduces the methods of drying and pycnometer for sediment yield of total precipitation erosion of observation model and validates the reliability of the measurement through check tests of sediment concentration with different particle sizes
摘要介紹了測量模型次降雨侵蝕產沙量的烘乾法和密度瓶法，並通過不同粒徑組泥沙渾水含沙量的對比試驗，驗證了測量方法的可靠性。 -
Real - time surface velocity field measurement system and three - dimensional particle velocity measurement system are developed. systematic experimental research on the movement of coarse sediment particles in open - channel flows was carried out using developed system
本文研製開發了表面流場實時測量系統和顆粒三維運動測量系統，並採用顆粒三維運動測量系統對明槽水流中粗顆粒的運動進行了系統的試驗研究。 -
The toad nutrient of floods increases as the sediment concentration increases, and there is nearly a linear relationship between them, by analysing the particle size of the sediment, we can conclude that the reason of the liner relationship is the resourse of flood nutrient and the sediment nature
通過對洪水中下層泥沙做顆粒級配分析，推斷出這種結果主要是由洪水養分成因及洪水中下層泥沙粒徑特性決定的。 -
Based on the analysis of characteristics of sediment particle concentration distribution, it is pointed out that the diffusion theory can describe sediment concentration distribution in main flow region but cannot explain sediment concentration distribution law near bottom because of the existence of sediment colliding shear stress
摘要在分析泥沙顆粒含量分佈特性的基礎上，指出擴散理論能較好地描述主流區的泥沙含量分佈規律，但在近底流區由於泥沙碰撞切應力的存在，使得擴散理論不能解釋此區域的泥沙含量分佈規律。 -
There are only researches about the slope loss ' s soil particle characteristics and the temporal process of hillslope agro - forestry compound system nutrient loss in the yangtze river watershed, and deficient to the mechanism and process parameters of hillslope sediment and nutrient loss of three gorges area, and there is not a preferable systematic prediction model of sediment runoff and nutrient loss also, let alone forming benefits evaluation model of hillslope harnessing measures
目前在長江流域僅有坡面流失土壤顆粒特徵和坡面農林復合系統養分流失時間過程的研究報道，而對三峽庫區坡面土壤泥沙及養分流失的機理及過程參數的獲得尚無報道，還沒有一個較系統的泥沙徑流及養分流失的預測預報模型，更談不上構成坡面治理措施的效益評價模型。 -
From the particle settling point of view, the main factors affecting the compositional distributions of sediment have been analyzed. the result indicates that there exists quantitative relation between the compositional distributions of sediment and the settling quality ratio of the powders a and b. only the ratio varies does the compositional distributions of sediment change
結果表明：當有兩種不同種類的粉未a 、 b共同沉降時，沉積體的組成分佈與單位時間內a 、 b粉末的沉降量比存在定量關系，只有單位時間內a 、 b粉末的沉降量比變化時，沉積體的組成分佈才發生變化。 -
On application of laser grain - size distribution meter in particle - size analysis and research of sediment in the yangtze river
激光粒度分佈儀在長江泥沙分析研究中的應用 -
Determination of particle size distribution by the mass of sediment - particles in liquid
通過液體中沉降粒子質量測定粒度分佈
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