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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(wú)粘旋擰射流線(xiàn)性穩定性特征。
- 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于檢查新井固井質(zhì)量,為新井投產(chǎn)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(shù)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(xiàn)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. 該系統采用微型計算機和高速處理技術(shù) ,應用計算機自動(dòng)控制理論 ,設計了多道與CSU儀器配接的端口 ,能實(shí)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件ANSYS,采用變密度法建立拓撲優(yōu)化模型,對抽油機驢頭進(jìn)行拓撲優(yōu)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(dòng)流體稱(chēng)為熱可壓流，并由無(wú)因次加熱數來(lái)度量其壓縮程度。
- variable density wind tunnel 變密度風(fēng)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(shí)現變密度測井的一種新方法
- Variable Density Analysis of Frost Process 結霜過(guò)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(huán)的存在
- A constant, variable, function name, or expression. 一種常數、變量、函數名或表達式。
- The prices are variable, shop around by all means. 價(jià)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(shí)驗中溫度是個(gè)變量。
- 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(jiàn)問(wèn)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(gè)變速驅動(dòng)系統正在為波音公司在費城的旗艦風(fēng)洞的大型風(fēng)扇提供動(dòng)力，以制造出次音速風(fēng)速。
