水力阻率 的英文怎麼說
中文拼音 [shuǐlìzǔlǜ]
水力阻率
英文
hydraulic resistivity- 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...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 率 : 率名詞(比值) rate; ratio; proportion
- 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
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Secondly, the total resistance is studied directly. the relationship between total stream power and effective stream power is proposed by analogizing the method of engelund
二是直接研究河床總阻力,類比engelund的方法,建立了總水流功率與沙粒水流功率的關系。Variation ratio of dimensional after water rinse, ultimate strength, neps and pile, tearing resistance, bursting strength, joint strength, commissure ' s swerve strength, fabric shift ( slip ), ventilate degree, elasticity ( resilient rate / deformation rate ), anti - water permeability ( hydrostatic pressure ), extension and resilience, abrasive resistance, gets wet the nature, hydroscopicity, stock ' s transverse ductility, fire resistance, antistatic
水洗尺寸變化率(縮水) ,斷裂強力,起毛起球,撕破強力,彈子頂破強力,脹破強度接縫強力,縫口脫開程度,紗線滑移性能(滑脫) ,透氣量,彈性(回復率/變形率) ,抗滲水性(靜水壓) ,延伸及回復性,耐磨性,沾水性,吸水性,襪子橫向延伸,阻燃性能,抗靜電。The threshold value of soil water contents for photosynthesis and stomatal resistance is about 14 ( 0g ), i. e., 60 65 of field capacity
棉花的光合速率和氣孔阻力隨土壤含水量變化的閾值約在14土壤含水量水平,該閾值相當於田間持水量的60 65 。Gilbert speculates that the reason for this increase of transport rate is the reduction of friction losses by the presence of fine suspended material in the flow.
吉爾勃特認為輸沙率增加的理由,是水流中存在的細懸移泥沙將減少阻力損失。Energy consume, electric strength, insulation resistance, ground conductivity, leakage current, microwave leakage, power input, normal temperature, humidity treatment, glow wire, horizontal flame, vertical flame, tracking, ball pressure, rainproof, water splash, dustproof, salt fog, endurance, motor load test, cord flexing, cord pulling, pull & torque test, lamp replacement, construction check etc
能耗、電氣強度、絕緣電阻、接地連續性、泄漏電流、微波泄漏、功率、溫升、濕熱試驗、灼熱絲、水平燃燒、垂直燃燒、漏電起痕、球壓試驗、防雨淋、防濺水、粉塵、鹽霧、耐久性(壽命)試驗、電機負載試驗、電源線彎折、電源線提拉、拉扭力測試、燈頭互換性、安全結構檢查等。3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant
對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效率;並且進行了煙氣阻力計算、熱效率計算和能量平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water
導水率減小是凍結土壤入滲能力減小的根本原因,而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑,增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。Aiming at the working condition and object of the 9gscc - 1. 4 sunken - plantharvesting equipment, resistances of ship body and cutting fram were analyzedby means of theory of hydromechanics and traction force of the chain - type convegor were done also by means ofcalculation of tension. power equation of the equipment, which relates to the implement ' s forward speed vm, chain - type convegor ' s linear velocity vs and cutting frame ' s angle of dip, was attained. this paper established a mathematical model for power consumption as objective function, based on thefundamental, structural dimensionof the equipment
本文根據9gscc - 1 . 4型水草收割機的工作原理及其主要結構尺寸,針對收割機的工作條件和工作對象的特性,應用流體力學理論分析計算船體及切割撿拾架的工作阻力,並用逐點張力法計算輸送鏈的牽引力,得出整機消耗功率與機組工作速度vm 、輸送鏈線速度vs及切割架入水角之間的關系式。The experiments show that the main origins of causing the oil and water zones complicated in the study area on the one hand is pore structure, fine particle size and shale content high, resulting in saturation of irreducible water of the reservoirs varying greatly, on the other hand is mud invasion influence, resulting in the reservoir receptivity decreasing, and the third is the thin bed is restricted by logging resolution, resulting in measure value influenced by the bed thickness
研究得出,研究區復雜油水層主要成因一是儲層孔隙結構復雜,巖性細,泥質含量高,導致儲層束縛水飽和度變化大;二是泥漿侵入影響,導致油層電阻率降低;三是薄層受測井分辨能力的限制,其測量值受層厚影響。Exposure to uv - b radiation reduced the height, leaf area of plants, and the weight of roots, stems and leaves. as a result, total biomass and accumulation of dry matter were decreased. exposure to uv - b radiation significantly increased the stomatal diffuse resistance and decreased the transpiration rate ; however it hardly affected the water content of seedlings
含量、而增加zr的含量;導致氣孔阻力增加,蒸騰速率下降:對括樓植株水分含量無影響;使植株生長受抑,表現為矮化,植株各器官及總生物量增加均受到影響,干物質積累量也相應下降; uv . b輻射對括樓根冠比無影響。The main contents are as follows : ( l ) through theoretic analysis and flume experiments, the characteristic of water resistance through frames is researched, and transforms relation between resistance coefficients and manning ' s roughness coefficients is established, and then experiential formula of manning ' s roughness coefficients is fitted
主要研究內容如下: ( 1 )通過理論分析和水槽試驗,研究了穿越四面體框架群水流阻力系數的變化規律,建立了阻力系數與框架群等效曼寧糙率系數的轉換關系,擬合出了糙率的經驗計算公式。The fluid properties and strata pressure have obviousely changed during the high water cut stage, which exert unfavorable influence on determining formation water resistivity based on spontaneous potential curves. from the analysis of the mechanism for forming
針對油田高含水期地層流體性質和地層壓力的變化給應用自然電位曲線求取地層水電阻率產生不利影響的實際問題,從自然電位產生的機理出發,研究了應用自然電位曲線求取地層水電阻率的方法。Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case
文摘:針對水石流顆粒粗,粘性小的特點,提出了利用水槽進行分段模擬水石流的設想,首次通過幾何變率解決難度較大的阻力相似問題,改變了以往過度加糙的方式;通過變粒徑比尺的方法消除了模型沙級配不連續相似的問題,較好地實現了固體物質級配相似,達到了泥石流的密度相似和輸沙相似.通過水槽概化模型試驗實例,對本方法進行了驗證Arbuscular mycorrhiza can improve the ability of resisting drought from several aspects : hyphal enhances plants ' chances of absorbing water from soil ; it can improve plants ' phosphorus and another minerals ' nutrition, increase the content of chlorophyll ; observably enhance transpiration and stoma conduction ; reduce the flow of water, permanent languish point, stoma resistance ; change the balance of hormone, promote accumulation plant proline and capability of nitric reductive enzyme
叢枝菌根真菌可以通過以下幾個方面增強植物抗旱性:通過菌絲增加植物對土壤水分的吸收;改善植物的磷營養及其他礦質元素營養;能顯著提高蒸騰速率和氣孔導度;乾旱條件下降低植株葉片水勢、永久凋萎點、葉片飽和虧、氣孔阻力和恢復時間;改變激素平衡。Effects of elevated co2 concentration and drought on the photosynthesis and stomatal resistance and transpiration efficiency of different strains of spring wheat
2濃度升高對不同春小麥光合作用和氣孔阻力及水分蒸騰效率的影響The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels
實驗結果顯示:鋼渣摻合料能顯著減緩水泥漿體水化速率,降低砂漿的水化溫升並延遲最高溫升時間;補償混凝土收縮,提高混凝土密實度,加強纖維與水泥石的界面粘結,增強混凝土力學性能,但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生阻裂效應,增韌鋼渣防滲抗裂混凝土;增加混凝土的破壞極限能,極大提高混凝土抗彎曲能力和韌性指數,改善混凝土脆性。Abstract : a new type of rotating packed bed ( rpb ) filled with holed disk packing, has high mass transference character by means of the centrifugal field it is used for simulating flue gas desulfurization and achieved of good effect the desulfurization efficiency of rpb by boot water is above 75 % accompanied with small gas resistance
文摘:一種利用離心力場強化傳質的新型旋轉填充床反應器以孔型碟片為填料用清水吸收模擬煙氣中的二氧化硫時的脫硫率達75 %以上,用於模擬煙氣脫硫也取得了很好的效果,而且氣阻也很低Airway resistance ( raw ) tends to increase and inspiratory resistance ( ri ) in 7d increases significantly. compliance of lung ( cl ) has not a prominent change. 2. the alveolocapillary permeability increases during simulated weightlessness and can recover a bit as simulated weightlessness goes on
3秒率oevm x呼氣峰流速oef卜最大通氣量p )比正常水平降低,其中以7dfevm和zidmvv變化顯著;氣道阻力份刪)增大,以7d吸氣阻力仰變化顯著:肺順應性k1 )變化不大。The matlab language is used to calculate the pile - group - impedance, and the numerical calculation shows that the axial load only has effect on the numerical of the pile groups " dynamic impedance function, but has not effect on the frequency
利用matlab語言編程,實現群樁動力阻抗的計算,通過研究發現,軸向力僅僅影響群樁水平阻抗函數的數值,並不影響阻抗函數的頻率。The study of the relationship between permeability and apparent resistivity is empirically significant for determining the permeability parameter and understanding the effect of permeability and groundwater on permeable formations
研究巖石的滲透能力與視電阻率的關系,對確定巖石的滲透系數,了解巖石滲透能力、地下水對滲透性巖層的作用,都有一定的實際意義。分享友人