降水曲線 的英文怎麼說

中文拼音 [jiàngshuǐqūxiàn]
降水曲線 英文
precipitation curve
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 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...
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Both the annual banding growth rate curve and grey level curve show the evolution processes of the precipitation over the past 2000 years this region and that divide into seven dry / wet cycles

    石筍紋層厚度和灰度曲線比較清晰地揭示了本區過去2000年降水演化過程，可劃分7個干濕旋迴。
  2. The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic

    利用從同一經度的不同森林類型ndvi值分析，沿緯度方向ndvi變化可得出， ndvi在冬春季變化最明顯（尤其是在4月份最大） ，而在夏季和秋季變化不明顯。利用ndvi均值進行分析，從暖溫帶到亞熱帶到熱帶的變化情況發現，從暖溫帶到亞熱帶ndvi指數形成明顯的階躍，而其它區域沒有太大的變化，同時對幾種典型的針葉林曲線分析可知其年初的凹值源自於我國東部季風的影響。利用ndvi數據分析其與月均溫度與降水的相關性得出與溫度相關性較為顯著，而與降水相關性不顯著或無相關性。
  3. In this study a microbial system for biphenyl biodegradation is set up in order to investigate the effects of surfactants on biodegradation of hydrophobic organic compounds. four strains which can grow on biphenyl as the sole carbon and energy sources are selected out, in which alcaligenes eutrophus dj1 and pseudomonas sms02 are chosen as degradation strains. after studing the bioavailability of three nonionic surfactants ( op - 10, tween - 80, and triton x - 100 ), they are added into the biodegradation system of biphenyl

    為了考察表面活性劑對疏水性有機污染物生物降解的影響，本論文選擇聯苯作為模擬研究體系，篩選、馴化得到四株可利用聯苯作為碳源生長的菌株；考察了聯苯降解菌株對三種非離子表面活性劑op - 10 、 tween - 80 、 tritonx - 100的生物可利用性；用高效液相色譜法測定了非離子表面活性劑對聯苯的增溶曲線；較系統地研究了加入非離子表面活性劑對聯苯生物降解速率的影響。
  4. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。
  5. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  6. In order to achieve the optimized tunneling approach, first, tunneling procedures, shift length, horizontal jet grouting length, bench length and space length between c and d part of crd method are optimized ; on the basis of these results, two kinds of tunneling schemes are calculated with three - dimensional fem and the optimized tunneling scheme is achieved. as results of the optimized scheme, the conclusion is made that the gas pipe above the tunnel of sk3 + 355 section is secure. the calculation results are verified through comparison of numerical simulation results and site - monitoring measurement data

    為得出適合本段工程的最佳施工路線，利用大型有限元通用軟體ansys對開挖順序、開挖進尺、水平旋噴長度、臺階長度及crd工法施工的c 、 d部相錯長度進行了有限元數值模擬和優化分析，並利用這些分析結果，進行了兩個施工方案的三維有限元動態施工模擬，得出了較優的施工方案，並利用施工后的地表沉降槽曲線，對sk3 + 355斷面處隧道上方的煤氣管線的安全性進行了分析，得出了利用此施工方案施工不會造成此處煤氣管線破壞的結論。
  7. Water ratio in plant decreased gradually from the beginning. the highest wet biomass of non - assimilation organ appeared in july, while that of assimilation organ arrived in august

    4 、芨芨草的生物量在整個生育期呈單峰曲線，植株組織含水量隨生長時間的延長逐漸下降。
  8. The same type of cement - soil mixing pile with concrete core, concrete pile and cement - soil pile that means they have the same pile length and pile diameter is deeply analyzed by finite element program. we get the q - s curve, the axis force of pile body curve, the stress of pile curve and the side and the end sharing load ratio of the pile curve by finite element program. with the help of the finite element program, the paper finds the relations between the pile ' s parameter and its bearing capacity and load transferring properties

    利用有限元計算分析了同比（樁長相同、樁徑相同）水泥土組合樁、水泥土攪拌樁和混凝土鉆孔灌注樁，得到了它們的荷載沉降曲線、樁身應力曲線、樁身軸力曲線、樁側樁端分擔荷載曲線等，通過這些曲線對它們的荷載傳遞規律以及變形特性進行了深入的分析。
  9. The simulation result shows that vadose zone can rigorously retard those nuclides with vigorous adsorbility, i. e. the bigger the nuclide decay coefficient is, the more the nuclide is retarded in vadose zone and the less the nuclide concentration in aquifer is, and that the distribution coefficient directive affects the form of the nuclide concentration curve in an aquifer

    數值模擬結果表明：包氣帶對于吸附性較強的核素具有很大的阻滯作用，對于低分配系數的核素阻滯作用較弱；衰變系數對含水層中核素的遷移起到了重要作用，隨著衰變系數的增大，地下含水層中的核素體積濃度逐漸降低，並且分配系數的大小直接影響著核素在含水層中體積濃度分佈曲線的形狀。
  10. On the basis of analysis for recharge, flow - off and drainage of research area, the paper concludes that the main possible cause for the fall of water head is groundwater exploitation by comparing the curve of rainfall - time and the curve of observation heads of some observation well

    在充分分析研究區補給、徑流和排泄規律的基礎上，文章通過比較降雨歷時曲線、部分觀測孔觀測水頭曲線得出開采量可能是影響水頭下降的主要因素。
  11. It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates

    結果表明，與硅酸鹽水泥相比，由於礦物摻合料與水泥熟料在活性和水化機理上的差異，水化歷程有較大的改變：多組分體系誘導期、加速期和衰減期延長，水化反應速率明顯降低；低溫時，水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰；高溫時，反應速率加快，雙峰合併；進一步研究發現，摻合料的種類與摻量對水化歷程也有較大的影響；建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。
  12. The systematical experimental study on the structure characteristic of soft clay from wenzhou has been carried out. based on schmermann and nagaraj ' s experimental conclusions and a large number of structure characteristic experiments of soft clay from wenzhou, an updated correction method of compression curve of disturbed soil is presented. the corrected compression curve is composed of four sections : horizontal section, elastic compression section, structure dilapidation compression section and normal compression section

    結合溫州軟土進行了結構性試驗，對軟土的結構性進行了系統研究，在schmertmann和nagaraj等人實驗結論及大量溫州軟土結構性試驗的基礎上，得到了結構性軟土的四段式壓縮曲線：水平段、彈性壓縮段、結構破損突降段，正常壓縮段。
  13. Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed

    文摘:採用正交曲線坐標系下的河道平面二維數學模型，研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律，預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響，並對格形開挖和平整開挖方案進行了比較分析
  14. Surface settlement is due to layer losses and the layer losses are due to the changes of stress state and water content. it is necessary to probe into the principle, but to pay more attention to the aftermath of layer losses - surface settlement and its regularity. this paper has focused on discussing about the regularity of surface settlement in tunneling construction

    地表之所以發生沉降，是因為發生了地層損失，而地層損失主要是由於土的應力狀態和土的含水量發生了變化，機理的探討是必要的，但是人們更關心地層損失造成的後果?地表沉降，更關心地表沉降的規律性，本文討論了隧道施工過程中地表沉降的規律，將隧道施工方法分為盾構法和礦山法兩種，結合理論分析和實測結果，分別給出了地表沉降曲線和沉降范圍的經驗公式，其結論對北京地鐵隧道的設計與施工具有重要的參考價值。
  15. Two test methods are employed : one is loading the samples before thawing, and the other is loading the samples after completely thawed. the coefficient of thaw settlement as a function of granule, as a function of water, and also as a function of dry density are protracted ; besides, the consolidation coefficient of thawed samples as a function of granule, as a function of water, and as a function of dry density are protracted. we can discover from the test results that the thaw - settlement coefficient and the consolidation coefficient of thawed samples are mainly relevant to the granule, dry density and the water content they have little to do with the geology and geography factor of the frozen soils

    為了研究季節凍土區工業民用建築的基礎淺埋穩定性問題，特開展了有關季節凍土的融化壓縮特性的研究，先後在內蒙古農業大學三個比較典型的建築地點取了將近三百個試樣，在室內進行試驗，採取兩種試驗方法即先融化后壓縮試驗法和同時融化壓縮試驗法，通過對這三個不同地點的兩種不同的試驗方法的試驗結果進行對比分行，分別繪制了融沉系數與凍土的含水（冰）量、干容重以及顆粒級配的關系曲線;融化壓縮系數與凍土的含水（冰）量、干容重以及顆粒級配的關系曲線，由試驗結果發現凍土的融沉系數和融化壓縮系數都與凍土的含水量呈正向相關關系，可近似的用線性方程來表示;兩種實驗方法的總沉降量與凍土的含水量呈正向相關關系，與凍土的干容重呈反向相關關系，也可以近似的用線性方程來表示。
  16. The coupling analysis program of surface flow and subsurface flow over porous media is developed based on the conversion principles of water on the surface under rainfall conditions. a new method to judge the saturation of the surface is proposed in this thesis, the convergence is speeded up and the cpu time is saved by using this method

    根據非飽和土上水的轉化機理，編制了降雨條件下地表水入滲和產流耦合的計算程序，並根據土-水特徵曲線，提出了判斷地表飽和的條件，根據此條件，加速了收斂速度，節省了cpu的時間。
  17. This research is based on a group of countries in deferent developing phase in the same period. then, by using spss statistic software, from the regressive model, we made a conclusion that a cubic curve is found to describe the law of the housing ratio that change with economic development. we hereby divide the cubic curve into three phases : rising, falling, and re - rising, then we analysis the character of each phase

    本文採用橫向數據分析法，研究了同一時期處于不同經濟發展水平的一系列國家住宅產業增加值在gdp中所佔的比率，然後藉助spss統計軟體進行回歸分析，得出了住宅比率隨經濟發展呈現三次曲線的變化規律的結論，並據此劃分了住宅產業發展軌跡的三個階段，即上升階段、下降階段、再上升階段，分析了每個階段的基本特徵。
  18. Second, the bar of the frequency - distribution and the curve of lorenz and the g coefficient are talked about the spatial distribution of day to day precipitation. the results show that the heterogeneous of day precipitation is strong on every day in a year. the spatial distribution model is left skew all in four seasons and it is different from the monthly precipitation

    其次利用全國700個測站逐日降水資料的空間分佈頻數直方圖及洛倫茲曲線和基尼系數闡述了我國逐日（ 24小時）降水非均勻性的事實，直方圖顯示全國范圍內逐日降水的水平空間分佈型在四季都是一種明顯左偏態型，與月降水量的水平空間分佈型略有不同；基尼系數值的月際變化也與月降水量的變化相反。
  19. Considering that the infiltration capacity curve can ' t express the actual infiltration capacity, the authors develop the surface runoff yield models that combine with the infiltration capacity curve, unstable raining process and antecedent soil moisture in each rainfall or over a duration time

    考慮到流域實際的下滲能力，建立了將下滲能力曲線、不穩定降雨過程和前期土壤含水量有機聯系起來的流域場（時段）暴雨地表徑流計算模式。
  20. By citing distribution piping loss curve, analyses the two commonly used control methods of constant pump head and constant remote circuit differential pressure and considers that control with a constant remote circuit differential pressure is the better

    通過提出輸配管壓損曲線概念，從理論上分析了計量供熱變流量系統循環水泵常用的恆揚程式控制制和恆定最不利環路壓降控制兩種方案，認為恆定最不利用戶資用壓力方案節能效果較好。
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