flow region 中文意思是什麼
flow region
解釋
流動區域-
The pollution problems of the rivers and streams in that region have accordingly improved considerably in the past decade. however, as the base flow of local rivers and streams is generally small, their assimilative capacity is therefore low. this, coupled with the continued development and hence population growth in the river catchments, as well as the lack of maintenance of many private septic tank systems, has caused the water quality of some rivers and streams in the northwest new territories to remain unsatisfactory
而溪流的污染情況在過去的十年間亦因此而有所改善，但由於本地河溪的流速相當慢，河流的自凈能力相對偏低，而河溪的周邊不斷發展，人口持續增加，加上部分私人的化糞池系統欠缺打理，未能有效運作，所以新界西北仍有部份河溪水質未如理想。 -
Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin
通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學分析等工作基礎上，指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地熱流再分配所致；運用州sys數值模擬了大地熱流向地表傳導背景下的盆地地溫場，從而揭示了盆地基底（義縣組）頂界面地溫分佈特徵；闡明了盆地具有形成中低溫對流型地熱系統所必需的導水斷裂、補給水源等的良好條件，中低溫對流型地熱系統是地熱勘查的主要對象；圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。 -
Flow characteristics, especially in inviscid region, are determined by absolute value as well as relative value of scale
流場（特別是核心無粘流區）的特性不僅取決于流動尺度的相對值，也取決于其絕對值。 -
Finite volume method is appilied in numerical modeling of the flow in no - pressure tunnel of high water reservoir in this paper. i select standard k - turbulence modeling that put forward by launder and spalding in 1972 by weighted poly - turbulence modeling. the difficulty is that there is free surface in flow, but free surface problem ' s calculating region is indefinitely
本文利用有限體積法對高水頭下水庫無壓泄水洞水流進行了紊流數值模擬，根據多種紊流模型的優缺點進行比較，選擇了launder和spalding於1972年提出的標準的k ?紊流模型。 -
Because of the large velocities ordinarily involved, there is a region of turbulent flow behind the ball, as shown.
一般由於高速，在球的後面有湍流區域，如圖中所示。 -
In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。 -
Compared with measured data, this equation can describe the sediment concentration distribution better both in main flow region and near - bottom region
與實測資料對比表明，該公式能更好地描述包含主流區與近底流區在內的泥沙含量分佈規律。 -
Ecologic process of the wash lands by debris flows in mountain region is very complex and variety, and is a specific catastrophe - ecologic phenomenon in mountain region. plant growth of the wash lands of debris flow sdistributed in high altitude area shows a natural restorative proccss. it is found that plant growth process and community feature in the wash lands of debris flow can bring to light of the time of debris flow formation in the last hundred years and to the succession law of natural vegetation ecosystem through study in the catastrophc - ecologic phenomena and the ecologic process in wash lands of debris flow in the huangbenliu gully of the east slope of gongga mountain. the research result for this region also shows that study of the catastrophe - ecologic phenomena of debris flow can promote scientific infiltration between the ecology and the catastrophology, and has important theoretical and practical significances
山區泥石流發生后的泥石流灘地呈現復雜多樣的生態過程，是山區所特有的一種災害生態現象.在人煙稀少的較高海拔，泥石流灘地植物生長表現為一種自然恢復過程.通過貢嘎山東坡高海拔黃崩溜溝泥石流灘地上發生的災害生態現象和過程的實地研究，發現泥石流灘地植物的生態過程和群落特徵，可以揭示近代泥石流的形成時間和自然植被生態系統的演替規律.研究表明，加強泥石災害生態現象的研究，可以促進災害學與生態學科的滲透，具有重要的理論和實踐意義 -
Analysis indicates the " low pressure closed reticular flow region " results in the non - equilibrium of pressure along the primary jet ' s orifice. to obtain as large vectoring angle as possible, the optimal ranges of angles, frequencies, velocity amplitudes, and distances from the microjet actuator to the primary jet exit were discussed. the relationship between the vectoring angle of the primary jet and the phase - difference of two adjacent actuators was analyzed
分析了「拉」模型單作動器模式下，微射流作動器的入射角度、驅動頻率、速度幅值及與主射流間的距離對主射流偏轉程度的影響，並確定了作動器工作參數的最佳范圍;分析了「拉」模型雙作動器模式下，不同的相位差對主流偏轉程度的影響。 -
Under the low solid flux, the particle velocity in the whole flow field was processed by mqd in the transitional flow regions. the results show that the variation of particle velocity with the time and the influence of particle clusters in the real time. under the high solid flux, in the dilute flow region, the particle velocity is analyzed and discussed with the variation of operating condition
在低循環流率下對過渡區典型流態下顆粒團的不同流態進行了mqd法處理，獲得了整場顆粒運動速度及隨時間變化規律，顆粒團運動對流場內顆粒速度的動態影響；對稀相區在較高固粒流率下對顆粒運動速度進行了變工況分析和討論。 -
Furthermore, the horseshoe shape vortex system occurred to the upstream of the jet exit and the layer structure of vortexes occurred to the wake of the reverse flow region downstream of the jet are also investigated
另外，觀測到射流噴口上流的馬蹄渦系以及射流逆流區下游尾跡區旋渦的層狀結構形式。 -
Standard practice for determining gettering rate, sorption capacity, and gas content of nonevaporable getters in the molecular flow region
測量分子流動區域內不揮發吸收劑的吸收速率吸收能量及氣體含量 -
There is a linear relation of the logarithm between the pressure difference in round seepage flow region and the radius, for the same accuracy, it is better to select a center mesh grid that is a isometry system with inr interval
模型離散化時必須滿足流量、體積守恆。圓形滲流區域內的壓力差隨半徑是對數的線性關系，為保證相同計算精度，選擇對lnr來說等距的中心網格系統。 -
It is proved that polypropylene fiber concrete performs well in resisting impact, abrasion and crack, and thus well applicable in sandy flow region characterized in high speed and turbulence, such as the filling & emptying culvert of shiplock, etc
表明聚丙烯纖維混凝土具有良好的抗沖耐磨性能和抗裂性能，可較好地應用於船閘輸水廊道等處于高速、紊亂、含沙水流區。 -
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。 -
The local energy dissipation of particles caused by the resistance decreases linearly with the increase of the height in the bottom flow region
顆粒因阻力作用在就地損耗的能量e在底部流區隨高度的增加而線性減小。 -
Adopts the scheme, the workstation could be in jet flow region and realize " series - wound " ventilation
採用這種送風方式，工作區處于射流區，不產生死區，可實現主廠房「串聯式」通風。 -
Fluidization has been assumed as an efficient means of contacting different particles in various fields such as chemical, metallurgical and pharmaceutical industries. however, the hydro - dynamical behavior of gas - solid bed is very complex. in this paper, based on a large amount of experimental data, complexity theory are adopted as a new method to study on the multi - signals especially pressure signal in wide flow region in gas solid fluidized bed which respective diameter are 114mm and 250mm
本文在氣固流化床中引入復雜性理論作為主要的研究工具，在114mm和250mm床徑氣固流化床中進行了大量的實驗，選用分別屬于a類和b類的粒子作為固體顆粒，在寬流域的范圍內對流化床壓力信號、顆粒濃度信號，尤其是壓力信號進行了研究。 -
The " low pressure closed recircular flow region " was analyzed to explain the characteristics of the synthetic flow field
「低壓迴流區」的細觀分析詮釋了微射流的作用機制。 -
Moreover, this paper investigates the influences of surfactant aqueous solutions on flow characteristics of a mmc. sodium dodecyl sulphate aqueous solution and alkyl polyglycoside aqueous solution are used as working fluids. the experiment results indicate that the drag reduction depends on flow velocity and temperature ; the drag reduction effects aren ’ t very obvious in laminar flow region, but when fluid enter turbulent flow region, the drag reduction increase notably, the drag reduction effects
研究結果表明，阻力減小率（ dragreduction ， dr ）與流速和溫度有關;層流區內表面活性劑的減阻效果不是特別明顯，但進入紊流區后減阻效果開始增強，尤其進入旺盛的紊流區后減阻效果大大增強;溫度提升也可增加dr ，但在溫度較高時添加sds后減阻效果的改善卻不及apg 。
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