穩定流場 的英文怎麼說

中文拼音 [wěndìngliúchǎng]
穩定流場 英文
steady flow field
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. This thesis tries to solve the problems in the design and construction of jinping cascade 2 hydropower station. a typical section is selected to analysis seepage, seepage control and fem numerical simulation. the influence of different plans of excavation and support on seepage field of subsurface water and stability of adjoining rock are studied. the homologous support pattern is suggested according to the research results

    本文就錦屏二級水電站(一期)深埋長隧洞的設計和施工中面臨的一些問題,選取隧洞的一個典型斷面進行滲、滲控分析和開挖及支護的有限元數值模擬,從而就深埋隧洞不同的開挖及支護方式對地下水滲及圍巖性的影響和所應採取的支護措施等方面進行了探索、研究。
  2. Fourthly, according with the analyzing of flow measurement, we research the main problems needed to be solve in the process of measurement, such as analysis and measurement of the internal resistance, selection of excitation frequency, stable signal datum mark and restraining common mode interference, restraining for serial mode interference and working frequency interference ; transporting and shielding the flow signal, constant current excitation and magnetic field equalizing, flow measuring

    第四,根據對量測量問題分析的,深入研究了設計過程中需要解決的主要問題。如內阻分析與測量;勵磁頻率的選擇;信號基準點與抑制共模干擾;串模干擾與工頻干擾抑制;量信號傳輸與屏蔽;恆勵磁與磁補償;量測量點的選擇等。
  3. Low - level cyclones usually imply horizontally confluent flow and vertically rising air resulting in inclement weather. low - level anti - cyclones bring in fine and stable weather due to horizontally diffluent flow and vertically sinking air

    低空氣旋表徵水平匯聚、垂直上升的不,可以導致惡劣天氣產生;低空反氣旋則代表水平輻散、垂直下沉的穩定流場,伴隨著晴朗的天氣。
  4. The researches indicated : ( 1 ) the seepage flow field of infiltration diversion is characterized by three - dimensional, saturated and steady flow. there is the close hydraulic relationship between the river and the groundwater in the filtering bed, and the groundwater is confined

    研究表明: ( 1 )滲濾取水的滲具有典型的飽和三維特徵;滲濾取水濾床中地下水與河的水力聯系比較緊密,濾床中的地下水處于承壓狀態。
  5. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移動路徑是沿經圈直線南壓,攜帶的冷空氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急軸,把源源不斷的西南暖濕氣輸送到遼西地區,也就是急軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急不但為暴雨輸送水汽,其造成的較強的垂直環也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始,最大限度地避免了觀測誤差可能造成的積分不,提高了模擬結果的參考價值。
  6. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮程序,利用matlab作為模擬工具,模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應,對含有風電的電力系統性研究及風電極限穿透功率的研究,提供了可靠的理論根據,有重要的現實意義。
  7. A recommend value of appropriate roadbed height is put forward according to the sand dune type and the highway grade, make investigation to the sand harm and other problems of built highways in desert areas gathering the related materials of present day highways, and then make comprehensive and systematic statistics to related data and racious factors which affect the roadbed height ; analy the suitable roadbed height for the windblown sand drift passes through smoothly according to the open country windblown sand field test ; test and verify the outcome according to indoor wind tunnel test ; finally a appropriate recommend roadbed height value will be put forward for different grade highways in different areas, which is according to the analysis of roadbed stability the roadbed height economic analysis and different use requirement to different grade highways

    收集現有沙漠公路的有關資料,對全國已建沙漠公路進行沙害及其他病害調查,對相關數據和影響沙漠公路路基高度的各種因素進行綜合系統地統計分析;通過野外風沙,分析適宜風沙順利通過的路基高度;通過室內風洞試驗進行驗證;結合路基性分析、路基高度的經濟性分析,考慮不同等級公路的使用要求,最終提出不同地區不同等級沙漠公路路基填土高度的合理高度建議值。
  8. Then, the article makes an analysis and comparison between market maker system and auction system, regarding to market running mechanisms and market performance

    在此基礎上,運用比較的方法通過具體的實例分析了競價制和做市商制在市績效? ?動性、性、透明度和交易成本四方面的優缺點。
  9. The key parts of barretter are made of irf840 field - effect transistor, the magnetic ring and high frequency choking coil which adopting negative temperature index. such components can provide barretters a wide applicable voltage 160v - 250v. low power consumption, minor temperature rise, stable functions, long life - span

    器核心元件採用irf840效應三極體,磁環及高頻扼圈採用負溫系數,這樣的元件選擇使整器適用電壓范圍寬160v - 250v ,功耗低,溫升小,性能十分,確保其擁有很長的壽命。
  10. Only a few top colleges and universities have stable endowment funds that generate money through interest accumulation and stock market growth.

    只有少數第一的學院和綜合性大學有的捐贈基金,可以通過利息積累和股票市提成而產生資金。
  11. The magnitude of these variables increased approximately ten times. it helped the rapid releasing of instability energy. the interaction of high - level and low - level mesoscale system leads to the rainstorm. the vertical cross section analysis of potential temperature tells us that rainstorm take place in the warm - moist and instability area. usually locate in the very stiff moist isentropes and it can lead to the development of vortex

    通過對相當位溫的垂直剖面分析,可知兩暴雨的中低層都為暖濕不區,暖濕不區上部冷空氣明顯擴散,暴雨產生在暖濕對區內,通常產生在_ e陡峭和密集區中, _ e陡峭和密集區有利於渦旋發展。
  12. In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay

    本文第二章首先建立了封閉系統的利率?通量微分方程模型,證明了各結點利率加權和為常數即金融市利率均衡原理,以及各結點利率極限為整個網路平均利率;其次在各結點基本利率不相同的情況下,建立了非齊次利率?通量微分方程模型,證明了金融網路各結點利率加權和仍是一個常數,並證明了各結點兩兩之間的即時利率之差最終將地趨于其基本利率差;此外,還研究了開放金融網路利率?通量方程模型,考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律,用lyapunov性理論證明了模型均衡解的性;最後,還研究了具有時滯的金融網路利率?通量方程模型,並給出了具有時滯金融網路的利率通量方程具有周期解的充要條件。
  13. Supported by improved confidence in hong kongs economic outlook and inflow of funds into equities, hong kong dollar forward points had eased to below 100 pips since late august

    月份港元及外匯市維持。由於市對香港經濟前景的信心增強及有資金入股市,美元兌港元遠期匯率溢價從
  14. According to differences of construction process, boundary condition, temperature and stress of two schemes extending 3m deep short seam on upstream face in the middle of rcc overflow section and no short seam are calculated, what " s more, in this paper the equivalent line drawing of stable temperature field and unstable temperature field during construction and operation period and the duration curve drawing of typical points " s temperature and stress are plotted, and the results of peak and minimum on temperature in every month and maximum on tensile stress are attained

    根據施工過程和邊界條件,對溢壩段中間上游面增設3m深短縫和不設短縫兩個方案進行了溫度和應力計算,並繪制出溫度等值線圖及施工期、運行期非溫度等值線圖,典型點溫度和應力歷時曲線圖,逐月最高、最低溫度和最大拉應力及相應位置等成果。
  15. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設計的系統完成了落差系數、動壓時間姓、軸向靜壓梯度、邊界層及湍度等內容的校測。特別對邊界層測量的原理及方法做了較詳盡的敘述,總結出邊界層厚度與設風速、實驗段深度的關系,然後給出模型中心區一風速下校正數值。
  16. The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc

    計算了電峰值時觸頭間隙中心平面和觸頭片上的縱向磁分佈,可以看出加入鐵芯后縱向磁強度和徑向磁均勻性增強,這有利於提高真空電弧的性。
  17. As the futures options is introduced, the market shows a much stronger need for s a market maker system, an efficient way to active and regulate the market and provide liquidity

    期貨市要發展,就需要進行制度創新。做市商制度具有活躍市的功能,是提高市動性和規范發展市的有效手段。
  18. Cadmium ( cd ) is one of the mostly polluting heavy metal. first, to characterize the adsorption property of cadmium, cadmium adsorption isotherms in soils were determined by the batch experiment, and the adsorption parameters were obtained ; second, miscible displacement experiments were carried out in saturated homogeneous soil columns under steady - state water flow, and the dynamics of flux concentration of cadmium leached in soils were measured

    首先,用批量平衡法開展了鎘在砂質壤土、壤質砂土和粉壤土中的吸附特性的試驗研究,獲得吸附常數;其次,採用易混合置換實驗的方法,對其在穩定流場飽和土壤中的運移進行了室內研究,獲得了目標溶質鎘在濃度輸入條件下的出液濃度動態。
  19. Subsequently, the waves induced forces and their driven effects on currents are studied in detail. in the discussion of the effects of currents on waves, according to the wave radiation theory and the law of wave action conservation, the equivalence of none vorticity condition of the vector of wave number in constant wave field and fermat theory is testified. the dynamic and kinematics effects of background currents on waves are introduced concisely

    對浪的作用討論中,依據波動的射線理論和由變分原理導出的波作用量守恆律,闡明了波數矢量的無旋條件與費馬原理的等價性,扼要討論了背景影響海浪的運動學效應和動力學效應,首次指出水位(包括天文潮位與風暴潮位)變化對海浪成長與消衰的影響,為浪潮聯合數值模式的發展提供必要的理論依據。
  20. Numerical simulation of three - dimensional unsteady flow in diesel manifold pipe

    內燃機分支管道三維不穩定流場的數值模擬
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