井下重力測量 的英文怎麼說

中文拼音 [jǐngxiàzhòngliáng]
井下重力測量 英文
borehole gravimetry
  • : Ⅰ名詞1 (從地面往下鑿成的能取水的深洞) well 2 (形狀像井的東西) sth in the shape of a well 3 (...
  • : 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)
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 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...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. 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泄洪洞應用於高水頭、大泄流情況時存在的一些水學問題進行了研究和探討,取得以主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流( 1400m ~ 3 s )條件旋流式豎中的水流運動特徵進行了比較全面的,包括空腔形態、徑向流速分佈及壁壓強等;二、提出了豎空腔段螺旋水流水計算方法,其計算結果與實值吻合良好;三、利用試驗與計算結果,對旋流式豎的消能機理進行了探討,對豎各部分的消能能有了總體認識;四、對豎部消的合理深進行了優化試驗研究,發現消合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎水流總摻氣估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流條件,豎空腔段部流速很高,盡管水流螺旋運動引起的離心可以確保壁壓強保持正壓,但空化數依然較低,因此豎的空化空蝕始終是工程界關注的大問題。
  2. The portable infrared press instrument has the following characteristics : has small volume and weight and carry easily ; use a keyboard to input orders and display the corresponding information on the lcd display for the sake of the user ' s convenience ; has big data capacity and can collect 30 press measure instruments all the data which have stored for a week ; show the real - time date and time ; communicate through the infrared with speed of 2400kbps ; has the intrinsically safe circuit and can be safely used under coal mine

    本文所研製出的紅外線壓手抄器的主要特點是:體積小、輕、易於攜帶;使用鍵盤輸入命令,並在液晶顯示屏上給予相應的提示,極大地方便了使用者;數據容較大,可一次採集30臺壓試儀一周內存儲的壓數據;全日歷實時時鐘顯示;紅外數據通訊功能,傳輸速率為2400kbps ;本安設計,可安全的應用於煤礦
  3. Borehole gravity survey

    井下重力測量
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