阻力區 的英文怎麼說

中文拼音 []
阻力區 英文
resistance level
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 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...
  • : 區名詞(姓氏) a surname
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. In the northern colonies, for example, the promotional efforts of the anglican church met with strenuous resistance.

    例如,英國聖公會在北部殖民的傳教工作,就遇到堅強的
  2. Results show when velocity of flow remains unchanged in the onflow area and openness of the tube is changed, then resistance coefficient changes obviously

    實驗結果表明:在湍流域內流速(量)不變時,改變管件開度,系數變化較顯著;改變流量,管件開度不變時,變化不大。
  3. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承載的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦之間的關系,並對巖溶地的嵌巖灌注樁的荷載傳遞和破壞機理、承載特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩和支盤端起很重要的作用,樁端所佔比例甚少。這與設計樁基時的計算模式相差很大,承載也較設計增加;使用學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
  4. When i tried to break out of that role in 1963 and run for the new york state assembly seat from brooklyn ' s bedford - stuyvesant, the resistance was bitter

    當我在1963年企圖擺脫這一角色參加競選作為布魯克林貝德福德-斯圖維桑特地方的代表進入紐約州眾議院時,遇到了極大的
  5. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算域的溫度場、壓場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  6. Results show that all the geometric parameters have remarkable effects on combustion performance ; the swirl of intake air generated by skew intake holes enhances fuel - air mixing, minimizes dead zone and stabilizes the flame with reverse flow, but the excessive reverse flow can cause overheat in combustion chamber and exhaust ; the consistency of flow resistance in intake and exhaust system is conducive to the stability of heater performance

    研究表明,燃燒室進氣孔的孔徑、孔數、孔的分佈及方向等均對燃燒性能影響很大;斜孔所產生的旋轉進氣,雖具有強化燃氣混合、消除死和迴流穩焰的作用,但迴流過度會使燃燒室及排溫過高;保證進排氣系統流動(壓)的一致性,有助於保證加熱器性能穩定。
  7. Because it is a systematic work and involves many people ' s interests and conflict, it is difficult to implement and therefore needs complete research and scientific conclusion

    由於省級劃改革是一個牽一發而動全身的系統工程,必然會帶來復雜的利益重組和沖突,因此改革將遇到的困難和可想而知,這就需要充分研究、科學論證,有計劃有步驟地逐步推進。
  8. Gives a calculation formula of the absolute error of specific frictional head losses

    給出了湍流沿程系數絕對誤差的計算式。
  9. The local current disturbance after bridge being built in qiantang estuary leads to correspond changes of riverbed near bridge. but there is not any impact on astronomical tide, runoff large - scaled river shape and riverbed after bridge being built. so it does n ' t change the formation of tidal bore at all after bridge being built, but there is some impact on the shape and intensity of tidal bore because of pier resistance

    在錢塘江河口建橋將引起局部水流的擾動及近河床的相應變化,但不會對天文潮、徑流及大范圍河勢、河床產生影響,因而,建橋不會從根本上改變涌潮的產生,但橋墩對涌潮形態和強度是有影響的。
  10. As compared with the conventional straight well, the horizontal well can greatly increase the contact area between well and reservoir, change the filtrational mode in the vicinity of wellbore in the reservoir and reduce filtrational resistance, thus obtaining higher oil and gas production by a relatively low producing pressure difference

    摘要同常規的垂直井相對比,採用水平井開采能夠大幅度增加油氣井與油氣藏的接觸面積,改變油氣藏中井筒附近域的滲流方式,降低滲流,進而可以利用較低的生產壓差來實現更高的油氣產量。
  11. The papers also brings forward the design parameters of the material critical suspending speed and the wind capacity according the theory of the air transportation, analyses and build up the condition of material diameter and airflow speed of the gas - solid current locating the separating interface

    論文根據氣輸送理論求出螺旋氣吸取料裝置物料的懸浮速度及風機風量的設計參數,分析確定位於分離界面處的氣固二相流處于層流狀態即處于粘性磨擦阻力區的粒徑條件與氣流速度條件。
  12. Considering the engineering of trail pile in hubei jingzhou yangtze river highway bridge, the construction process of deep cast - in - place pile under pebble geological structure, the limit load - bearing capacity of single pile, side friction stress and head drag are researched in this thesis deeply

    論文結合湖北省荊州長江公路大橋的試驗樁工程,深入研究了江漢平原地卵石地基深鉆孔灌注樁的施工工藝、單樁極限承載能、樁側摩和端
  13. The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments

    對歧管式單通道熱沉流動特性的研究結果表明,微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流流動的實驗關聯式。此外,選用十二烷基硫酸鈉( sodiumdodecylsulphate , sds )以及烷基多糖苷( alkylpolyglycoside , apg )作為減添加劑,研究了表面活性劑添加對微通道流動特性的影響。
  14. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下:對航行器繞流流場進行分析,深入研究了和流噪聲產生機理,建立了系數和自噪聲的評估數值計算模型;採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動參數進行計算,改進了轉捩長度和邊界層位移厚度的計算,應用於航行器頭部駐點自噪聲的計算;最後設計了系數和自噪聲數值計算程序模塊。
  15. One of the most important one is the piles on the poor geological conditions such as saturated permafrost soil or underneath ice layers, such as : 1. frozen soil beside piles is thawed caused by construction and cement hydrate heat, it need quite time to recover freezing again ; 2. frost heaving sometimes pull up piles ; 3

    凍土地樁基普遍存在著: 1由於施工、水泥水化等造成樁周凍土融化,需相當長時間內才能回凍; 2樁周凍土凍脹對樁的「冷拔」作用往往將樁拉斷; 3樁周凍土融沉引起負摩
  16. According to the fact that the penetrate mechanism of static sounding penetration and static jacking pile is similar, we obtained the predict formula of the static jacked resistance of the precast piles after comparing several engineerings, and can use it in the construction of the precast piles

    本文主要依據靜壓樁與靜觸探貫入相似的機理提出用靜觸探指標預估壓樁的計算公式,並用杭州粉砂土地的幾個工程實例作分析和驗證,為靜壓樁的設計和施工提供了理論依據。
  17. Strain with other difference of method is it filter medium to be space very much little to lie inning a little, the centrifugal force turned round through the screen mesh, under lower water conservancy obstruction, have higher velocity of flow, cut and keep the solid here and suspend

    微濾與其它方法的別在於過濾介質空隙特別小,藉助篩網回轉的離心,在較低的水下,具有較高流速性,截留住懸浮固體。
  18. Freezing is a general phenomenon in the cold area. ice flood is a rise of water when ice is hindered in river course

    冰凍是寒冷地普遍存在的一種自然現象,而凌汛則是河道里的冰凌對水流的作用而引起的一種漲水現象。
  19. At a long - term scale, the main driving forces to the land use option in the fgtz are the immigrant pressures to this area and the tensile force from farming pressure, but the restriction of land use was caused by eco - environmental vulnerability

    ( 1 )從長時間尺度分析,農牧交錯帶土地利用選擇的主要動是中國人口增長形成的向本的移民壓和隨之而來的農耕文化的張,而則是農牧交錯帶生態環境的脆弱性對土地利用的限制。
  20. Investigation and interviews showed that the main obstacles standing in the way of hosts - tourists interaction were socio - cultural factors as language barrier and cultural differences, ranking as no. one obstacle, then the lack of skills for and confidence in communication. for hosts, they showed much stronger sense of class - gap while they found they were in sharp contrast with those who tour their land. accordingly, the author proposed counter - measures for solving these problems and measures to maintain those favorable factors functioning well

    最後,就大理麗江的主客交往現狀及將來發展趨勢,作者指出要針對主客交往的誘發因子和各因子、遊客表現出的交往傾向、影響遊客旅遊經歷感受的因素等方面,採取有效措施,設法克服主客交往障礙,努創造良好的主客交往機會,關注社福利,正確進行市場開發定位,以趨利避害,並提出了一些相應的建議。
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