空氣下向運動 的英文怎麼說

中文拼音 [kōngqìxiàxiàngyùndòng]
空氣下向運動 英文
downward motion of air
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 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...
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 空氣 : 1 （大氣） air; atmosphere 2 （氣氛） atmosphere 3 （氣閘） air brake4 pneum ; pneumo ; pneumat ;...
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. The diaphragm draws air into the lungs.

    橫膈膜向下運動讓空氣進入肺部。
  2. Flying boat is a controllable aircraft that can flying in the air, the flotage provided by the helum - filled bag inside the flying boat can support the boat and it s load in the air, motor pushing it forward ; the direction is guided by the device on it s tail, going down of the boat is made by escaping the gas inside, it can rise or fall straightly or stay in the air, no necessity of special site for taking off

    飛艇是一種可操縱的浮於空中的飛行器。在飛行中主要依靠內部充滿氦氣的氣囊提供的浮力，將飛艇及其載荷支持在空中，發動機為其提供前進的動力，通過操縱尾翼上的升降舵和方向舵控制飛艇的俯仰和方向運動，飛艇的下降是通過排放氣來實現的。飛艇可以垂直起降空中懸停，不需要有專用設備的起降場。
  3. 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。
  4. ( 5 ) the spring greenland sea - ice extent is larger ( smaller ) : then during the following summer the high of the japanese sea is stronger ( weaker ), and the low of the asian land is stronger ( weaker ), which make the pattern of low west and high east easily ( uneasily ) form ; the ascending movement over north china is strengthened ( weakened ) ; the summer monsoon of east asia is stronger ( weaker ), then the southeastern, warm and damp airflow towards the north china is stronger ( weaker ), and the cold airflow of the high level over the north china is also stronger ( weaker ), which make the convergence of the cold and warm air over north china easily ( uneasily ) form ; the sst of the east pacific ocean is lower ( higher ), while the sst of west wind drift is higher ( lower )

    （ 5 ）春季格陵蘭海冰面積偏大（小） ：後期夏季日本海高壓偏強（弱） ，而大陸上低壓也偏強（弱） ，易（不易）形成西低東阻的形勢；華北地區的上升運動增強（減弱） ；東亞夏季風偏強（弱） ，向華北地區輸送的西南暖濕氣流偏強（弱） ，而對應高空華北地區上空冷空氣活動偏強（弱） ，利於（不利於）華北上空冷暖空氣的交匯；夏季赤道東太平洋海溫偏低（高） ，西風漂流區海溫偏高（低） 。在以上的環流背景下，華北夏季降水偏多（少） ，易澇（旱） 。
  5. The design undertaken mainly from the following aspects : 1, mechanism ddesign : included the base and the joints : 2, trasmission mechanism design : adopted a synchronous toothelike transmission bell ; 3, balance system design : adopted springs and a brake and a lay air cylinder ; 4, design parameter and verify alculation ; 5, established motion equation by d - h method ; 6, simulated the motion locus by matlab software ; 7 ^ mapping out the part drawing or asesembly drawing

    本設計主要是從以下幾個方面入手： 1 、機構設計：包括底座和臂關節的設計； 2 、傳動機構設計：將驅動電機安裝在底座上，利用同步齒型帶、離合器傳遞手臂的動力；利用齒輪傳動帶動底座回轉； 3 、平衡系統設計：採用了彈簧平衡系統、電磁式制動器和單向延時氣缸； 4 、設計參數和校核計算； 5 、用d ? h法建立運動學方程； 6 、利用matlab軟體對手臂的運動空間進行模擬； 7 、利用autocad2000繪圖：包括零件圖和裝配圖。
  6. A fresh charge of air-fuel mixture will be drawn into the cylinder as the piston moves down toward.

    隨著活塞朝下止點的向下運動，一些空氣燃料混合氣的新鮮充量將被吸入氣缸。
  7. On the basis of looking up a lot of referenced works, the phenomenon that lateral jet injected into the external air stream surrounding an intercepting missile is analyzed. the effects of jet interaction on forces and moments are described by interaction amplification factor, and the algorithm to calculate the interaction amplification factor is presented, then the motion model and the dynamics model of interceptor are established according to the previous analysis

    根據大量參考文獻的結論，分析了側向噴流射入攔截彈外流的流場特徵，以干擾放大因子來描述干擾效應對力和力矩的影響，給出了放大因子的計算方法，進一步建立了噴流側向力和空氣動力作用下的導彈運動學和動力學模型。
  8. The diaphragm draws air into the lungs

    橫膈膜向下運動讓空氣進入肺部
  9. This paper puts forward a new bulk taking equipment project - screw and gas sucking - taking equipment, first the paper analyses the movement of bulk material in the screw slot, and analyses the materials movement law under the influence of the varitational room between screws and the airflow qualitatively, establish the equation of movement of the stream of gas and solids bulks in screw slot and build up the law of material vertical transportation and airflow radial speed distribution in screw slot

    論文提出一種新的散貨取料裝置方案? ?螺旋氣力吸取料裝置，論文從物料在螺旋槽中的運動分析開始，定性分析了物料在變螺距螺旋空間和氣流共同作用下運動規律，建立了物料與空氣沿螺旋槽輸送的運動方程，確定物料的垂直輸送速度與氣流速度在螺旋槽內的徑向分佈規律。
  10. At last the dynamics of trailer is analysed when trouble is take place including the lateral stability when the anti yaw dampers become ineffective, the ride index when airsprings have no air and the negotiation when the trailer runs on the curve the tilting actuator does n ' t work or work in the contrary direction

    最後，論文分析了拖車在幾種故障工況下的動力學性能，包括抗蛇行減振器失效工況的橫向穩定性；空氣彈簧無氣工況的運行平穩性；曲線通過時傾擺作動器不動作和傾擺作動器反向動作工況拖車的動態曲線通過性能。
  11. These landslides go with fluidization peculiarity different degree in course of their motion, and their speed and distance increase several times because of the fiuidization, thereby the disaster area greatly broaden. on the base of above, the paper studies systematically the fluidization of large high - speed rockslides in all its aspects : analyzed the aerodynamic effect in the short - range on the base of the wind turmel experiment, studied the effect of falling into pieces when landslides collides mountain ; studied the accelerating effect through high - speed collide experiment of landslides model ; and the paper reappear the overall process including set - out, collide in the short range, debris flow in the long - range of touzhai large landslide via distinct element method ( dem ), studied the flow law and equation of different type of debris flow resulted from large landslide. as a sample to apply, the paper analyzed fluidization mechanism of touzhai landslide

    基於這一點，本文對大型高速巖質滑坡的流體化現象進行了全面而系統的研究：通過風洞模型實驗，研究了大型高速滑坡凌空飛行階段的空氣動力學效應，研究了飛行中滑坡巖體在與途中不動山體發塵碰撞時的解體破碎效應，通過滑坡巖體高速碰撞模型實驗研究了滑坡巖體解體破碎後部分巖體的加速運動效應，並應用離散單元法再現了雲南頭寨溝大型滑坡啟動高速、近程碰撞、遠程碎屑流運動的全過程，研究了巖體解體破碎后形成不同類型碎屑流的運動規律及運動方程，並對頭寨滑坡流體化運動機理進行了實例分析，取得了以下主要結論和成果： （ 1 ）對于大型高速滑坡，大多在啟程活動階段已獲得了高速，這使得這類滑坡在其離開剪出口之後以凌空飛行的形式向前運動，在其飛行過程中，滑坡巖體與空氣強烈作用，並產生空氣動力學效應，滑坡巖體在因碰撞而產生的解體破碎效應及部分巖體的加速運動效應的作用下，在遠程活動階段，以高速碎屑流的形式向前運動。
  12. A transverse secondary circulation is produced by the coupling of high and low jets, while the sinking branch of the secondary circulation providing the dynamic conditions for the dry intrusion air. during the period of the heavy rain process, dry intrusion descends southward along the intense constant potential temperature lines, which promotes the lower cyclone. in addition, the pouring of upper - level dry air not only decreases ground temperature behind the front but also increases surface pressure and velocity

    由於高、低空急流耦合，在高空急流中心左側產生的下沉運動和高空急流中心右側、低空急流左側產生的上升運動在鋒面上形成一次級環流，次級環流的下沉支運動為對流層高層干空氣和高位渦的下傳提供了動力條件；進一步研究發現，干侵入沿相當位溫密集帶向南向下伸展，引起對流層低層氣旋性渦度的發展；此外，高層乾冷空氣向下注入，導致地面溫度降低、氣壓升高、風速加大、低層輻合增強、上升速度加大，從而促進了新的對流運動，引起降水增強。
  13. What the students will actually show is the net ( resultant ) motion on the student, which is the unbalanced geometric sum of all of these forces

    如學生玩滑梯，同時存在向下的重力，滑梯產生的舉力（與表面垂直並向上）和阻止身體向前運動的摩擦力和空氣的阻力。
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