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- The inviscid linear stability of variable density swirling jets is analyzed by normal mode method. 用正則模方法研究了變密度無粘旋擰射流線性穩定性特徵。
- By means of the multidisciplinary analysis of acoustic variable density logging data and dynamic/static data of oil fie. 聲波-變密度測井主要應用於檢查新井固井質量,為新井投產提供資料。
- The status for acoustic variable density log in Daqing Oilfield is introduced including applied techniques and logging tool levels. 介紹了大慶油田聲波變密度測井的現狀、應用的技術和儀器的水平。
- M2B tools acoustic amplitude and variable density signals become distortional in large boreholes, slow formation such as coal beds, and so on. 但該儀器在大井眼、煤層等慢速地層、低密度固井井段,聲幅及變密度曲線有失真現象。
- It has multiple interfaces matching with CSU,and it can realize electrode array measurement,perforation coring,acoustic variable density logging,and so on. 該系統採用微型計算機和高速處理技術 ,應用計算機自動控制理論 ,設計了多道與CSU儀器配接的埠 ,能實現電極系測量、射孔取芯、聲波變密度、連斜測量等多項功能。
- By variable density method, an optimal topology model is established with the help of the software ANSYS to support the optimal topology design of the horsehead pumping unit. 文章應用有限元分析軟體ANSYS,採用變密度法建立拓撲優化模型,對抽油機驢頭進行拓撲優化設計。
- This work refers to as the thermally compressible flow, the variable density flow due to temperature variation, with dimentionless heating number to describe its compressibility. 本文把由溫度引起密度變化的運動流體稱為熱可壓流,並由無因次加熱數來度量其壓縮程度。
- variable density wind tunnel 變密度風洞
- The section density model wasessablished with the help of variable density horizontal trapezoid body,ac th6 calculated theoretical anomalies are coincideal with the measured Bouguer gravity anomalies. 根據剖面密度模型,可以合理地解釋布格重力異常。
- A New Method for Variable Density Log 實現變密度測井的一種新方法
- Variable Density Analysis of Frost Process 結霜過程的變密度分析
- variable density thin light pipe 可變密度薄光導
- variable density groundwater flow 變密度水流
- Identifying micro-rings through acoustic variable density logging 用聲波變密度測井識別微環的存在
- A constant, variable, function name, or expression. 一種常數、變數、函數名或表達式。
- The prices are variable, shop around by all means. 價格高低不一,所以一定要貨比三家逐店選購。
- The temperature was a variable in the experiment. 在該實驗中溫度是個變數。
- Suppression of alternating current disturbance of variable density logging tool 變密度測井儀交流電干擾信號的抑制
- Common failure and countermeasure of SZS variable density logging tool SZS變密度儀常見問題及對策
- An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia. ABB的一個變速驅動系統正在為波音公司在費城的旗艦風洞的大型風扇提供動力,以製造出次音速風速。