氣流的穩定 的英文怎麼說
中文拼音 [qìliúdewěndìng]
氣流的穩定
英文
flow stabilization- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 流 : 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : 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...
- 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
- 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...
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In a word, convective instability strong baxoclinicity barotropic advection of potential vorticity and latent heat release are factors which activize this explosive development of cyclone
總之,對流不穩定、強斜壓性和正壓位渦平流、潛熱釋放是本次氣旋發展的啟動因子。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、垂直上升的不穩定氣流,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。This demonstrates that for propulsion - airframe integration, this genus of inlet would be advantageous in keeping the stability of boundary layer coming from the forebody
一體化設計時,該進氣道對保持前機體來流附面層的穩定性十分有利。Jets of compressed air lift the hovercraft off the ground, and flexible skirts around the craft retain the air cushion, and help to keep it stable.
壓縮空氣的噴射氣流將氣墊船浮在地面上,船的四周有柔性圍裙來維持氣墊並使氣墊船穩定。Our factory by produces the air current spinning machine fitting product ( reeling thread, transfers cup, divides combs roller, pressure roller and so on ) primarily, while expands, the enhancementproduction scale, efficiency unceasingly, strives for the survival by the quality, does not hesitate the great riches to increase or to renew the equipment, purchases the domestic and foreign advanced precise numerical controls lathe, the processing center, the high accuracy grinder successively and so on hundred, causes the product quality and the processing craft has the good stability and thereliability
工廠以生產氣流紡紗機配件產品(紡紗器、轉杯、分梳輥、壓輪等)為主,在不斷擴大、提高生產規模、效率的同時,以質量求生存,不惜重資增加或更新設備,先後購進國內外先進的精密數控車床、加工中心、高精度磨床等百余臺,使產品質量和加工工藝具有良好的穩定性和可靠性。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,可知兩場暴雨的中低層都為暖濕不穩定區,暖濕不穩定區上部冷空氣明顯擴散,暴雨產生在暖濕對流不穩定區內,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。The new study points out that the 20 - year - old model for spider " ballooning " which assumed that spider silk is rigid and straight and spiders just hang at the bottom was flawed when applied in moving, turbulent air
新發現指出20年前提出的「氣球模式」有漏洞,特別是把它運用到蜘蛛遇到流動的,不穩定的氣流的情況下。 「氣球模式」假設蜘蛛絲是又硬又直的,而蜘蛛則吊在絲網的末端。It is the important mechanism that middle - level dry and cold air current sunk, low - level warm and wet air current ascended. level direction energy sharp section is important to blaze middle scale hypo - circumfluence. severe convection weather was brought by layer - knot latent instability
上層乾冷、下層暖濕的位勢不穩定層結可以使對流層中低層出現明顯的逆溫層,有利於不穩定能量積累,此次天氣過程產生的對流不穩定能量大,形成的上升氣流深厚。Computational results show that the axial gas flow and the rotary flow, especially the axial gas flow plays the main role on the arc stability. the rotary flow can larger the region of the arc stability
研究結果表明,縱向氣流和旋轉氣流對電弧的穩定性確實起作用,尤其是縱向氣流,起著重要的作用,而旋轉氣流對電弧的穩定區域的增加效果顯著。The linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively. the corresponding equations and the boundary conditions are deduced
本文採用與時間有關的線性微擾理論,分別討論了旋轉氣流、縱向氣流的作用,以及它們共同的作用下電弧螺旋不穩定性的特徵。The results show that a warm high ridge at the middle level and transformed surface cold high over the plain provide a good background condition ; a cooling process produced by net surface radiation fluxes is the trigger and strengthening mechanism for the fog event ; the subsidence flow at the middle and low tropospheric levels is favorable for the setting - up and maintenance of stable stratification at the boundary layer and weak wind condition at the ground layer over the fog region ; the transportation of weak warm advection at lower levels and weak lift motion at the boundary layer play a very important role to the long maintenance of the fog event ; the intrusion of north wind accompanied by cold advection is a main dynamic factor of the fog dissipation
結果表明:在中高層暖性高壓脊及地面變性冷高壓穩定維持的大尺度背景條件下,地表凈輻射引起的近地層冷卻是大霧過程的觸發和加強機制;中低空下沉氣流的存在有助於近地層的弱風條件和穩定層結的建立;低層暖平流的輸入和邊界層的淺層抬升是大霧長時間持續的原因;伴隨冷空氣南下的偏北大風是驅使大霧消散的動力因子。It takes one hour to get the factory from cbd, beijing city. it covers an area of 20, 000 square meters and workshops occupy 13, 000 square meters. the all - sealed workshops provide a clean environment for manufacturing, the safety detective equipment and strict quality control system ensures reliability and sanitation standards of products
工廠全封閉的生產車間確保了生產環境的清潔衛生,配套的生產設備匯集了當今所有軟性填充玩具的專用機械,形成從自動沖壓下料,縫紉製作,氣壓訂眼直至機械填充,已初步形成了以流水線作業方式為主的準機械化生產形式,確保了產品造型的一致性和產品質量的穩定性。With the development of oil fields, many old reservoirs in the east of china enter the high water - bearing development period. sustaining a high and stable production rate faces severe challenge. the key to preserve oil output in high water cut period is dependent upon the understanding degree to the properties of residual oil distribution. from 1980 ' s, while the study of the reservoir flow unit was proceeded alongside, it has been more widely utilized to characterize reservoir feature and remnant oil distribution. study of reservoir flow unit plays. both theoretically and practically. an important role in recognizing reservoir heterogeneity. performing a high - definition reservoir delineation and understanding the distribution of the remnant oil in the reservoir
隨著油田的不斷開發,我國東部許多老油田已進入高含水期開采階段,保持油氣產量的穩定面臨嚴竣的挑戰,而高含水油田穩產的關鍵取決于對剩餘油分佈的認識程度。八十年代以來,隨著對儲層流動單元研究的不斷深入,它越來越廣泛地被應到油藏描述和剩餘油研究中來,流動單元研究對于認識儲層的非均質性、提高油藏描述精度、搞清剩餘油分佈具有重要的理論意義和實際意義。Slope stability is analyzed according to rainfall intensities, prophase total rainfall, different soil slope gradients and vegetation by saturated - unsaturated seepage theory
摘要在飽和非飽和滲流理論基礎上,從降雨強度、前期降雨總量、不同的土坡坡度以及是否考慮植被護坡等方面對大氣降雨條件下土坡的穩定性進行了探討。The analysis of dry pv shows that the high pv dominate the area of typhoon, the higher is the center value of pv, the stronger is the typhoon. lt is also shown that the most important reason resulting in rainstorm is the cold air ( high pv ) which spreads to south from the upper troposphere or lower stratosphere and transports into the warm air. the joining situation of upper and lower pv area make vortex develop. pv transpotation reduces static stability, which increases the releasing of instability energy and makes rainstorm amplify
對干位渦的分析表明:臺風或臺風環流區為高值位渦區,臺風越強,位渦中心值越大;對流層上部或平流層下部冷空氣(高位渦)的擴散南下與暖濕氣流的交匯是造成特大暴雨的重要原因,因為上游斜壓性的發展使對流層頂發生折疊,平流層與對流層相互作用增強,上下位渦區相接的形勢使低層渦旋發展,上升運動加強,位渦的下傳有效地降低了靜力穩定度,有利於位勢不穩定能量的釋放,使得暴雨增幅。When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system
在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。( 2 ) used the predecessors " research achievements for reference, an experimental provision by which relationship between capillaiy pressure and saturation and relationship between unsaturated permeability and capillary pressure of fracture can be determined simultaneously is developed for the first time. experiment of simplified fracture model on the provision is done
借鑒前人的研究成果,基於動力法原理(即逐次建立水相和氣相之間的穩定流動狀態) ,首次研製出了一套可同時測定單裂隙毛細壓力飽和度以及非飽和滲透系數毛細壓力關系的實驗裝置。To study the aircraft - engine stability assessing technology about total - press distortion, four different structure insert - boards and testing schemes are designed, based on the technology of russian insert - board distortion and assessing compressor stability of english and usa. the low speed compressor ( lsc ) at college of energy and power in nuaa is used to carry out the all insert - board distortion experiments studies
為了能夠更清楚地認識俄羅斯關于總壓畸變下的航空發動機穩定性評定的技術,本文在了解俄羅斯插板畸變試驗技術和英美等國家的穩定性評定技術的基礎上,設計了4塊不同結構形式的插板畸變擾流器裝置及試驗測量方案,利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,完成了各插板的畸變試驗。( 2 ) retrofitted the small turbine of tai pin shao hydropower station in this paper. the results indicated that given the unchanged channels of the original runner hl240 - lj - 120 and satisfied cavitation condition and stability requirement, the electricity generated by the turbine generator increased from 3000kw to 3600kw when the design head was 36. 2m, which arrived at the expectant objective
( 2 )對太平哨電廠的小機進行了改造,在不改變原hl240 - lj - 120流道並滿足氣蝕和穩定性要求,在設計水頭為36 . 2米時,水輪機發電機出力由原來的3000千瓦增容到3600萬千瓦,達到了預期目標。Their purpose is to improve stability and efficiently direct airflow towards the central and rear sections of the car
他們的目的是增加穿越中段和尾段氣流的穩定性和效率。分享友人