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- Flow velocity should not exceed 5 ft./sec. 流速不能超過5英尺/秒。
- Method The length,diameter and the peak flow velocity of coronary artery in 20 adults were detected by biplane transesophageal echocardiography. 方法用雙平面經食道超聲心動圖檢查20例成人冠狀動脈的長度、內徑和血流速度。
- In this paper, a new method, biasing SH panels, was developed to improve the situation of flow velocity deviation of tangentially fired boiler horizontal gas pass. 為改善由於四角噴燃鍋爐殘餘旋轉引起的水平煙道速度分佈不均勻的狀況,介紹了一種將分隔屏偏置的新方法。
- The principle and method to measure directly the main flow velocity of liquid steel ina 60 tons argon-stirred ladle by a probe(an immersed body)were introduced in the paper. 本文介紹利用紊流下形阻係數近於常數的條件,對60t吹氬鋼包內的主流股流速進行實際測量的原理、方法和結果。
- In this paper,a new method of measuring liquid three dimensional flow velocity by rotaining the probe in the plane was submitted basing elaborate analyzing of hot film anemometer. 本文針對熱膜流速儀元件的工作原理提出了在平面旋轉測量液體三維流速的方法,並測量了大型精餾塔板液相單相三維流場。
- This paper describes the flow velocity calculation method for natural riverway based on the hydrostatic open channel uniform flow theory and its relative formulas. 為防止河床持續下切造成管道事故,一般對穿越河流的長輸管道採取護底措施進行防護。
- Purpose: To assess the clinical significance of coronary flow velocity assessing by the method of frame counting in reperfusion therapy of acute myocardial infarction(AMI). 目的:評價計幀法測定冠狀動脈血流速度在急性心肌梗死(AMI)再灌注治療中的臨床意義。
- High flow velocity was found in some patients accompany stenosis of the siphon. 合併虹吸段狹窄時血流速度增高頻譜紊亂。
- A measure velocity method is given by michelson intefese to deal with Lasen Doppler frequence change. 通過採用邁克爾遜干涉處理激光多普勒頻移信息的方法,實踐測量物體運動速度。
- The metal flow velocity can become uniformity by optimizing the die structure. 通過對模腔結構的優化設計,使金屬流動趨於均勻。
- The saltness has an effect on water content in oil while determined by using ultrasonic velocity method. 利用實驗方法,建立了不同含水率及不同含鹽量下油水混合物聲速隨溫度變化的關係曲線族。
- Strait to the South Central there is a flow velocity of 10 cm / sec around. 海峽中部存在著南向流動,流速為10厘米/秒左右。
- Methodsserum ADA and ALT were detected by velocity method in patients with liver functional damage and the control group. 方法:用速率法測定肝功能損傷者和正常健康人組的腺苷脫氨酶及轉氨酶(ALT)值。
- Angiography digital tracking method is simple and reproducible. Measuring CFV with the method is closely related to the velocity by Doppler guidewire. That may act as quantitative index of coronary flow velocity in routine coronary angiography. 冠脈造影數字跟蹤技術測定冠脈血流速度與Doppler血流速度顯著相關,兩者表達單位一致,方法簡便易行,重複性好,可以用作常規冠脈造影血流速度定量指標。
- The orientation structure of the polyacrylonitrile precursors was quantitatively studied by the sound velocity method and the wide angle X-ray diffraction. 採用聲速法及X射線衍射法對不同拉伸倍數聚丙烯腈原絲的取向結構進行研究。
- Peak diastolic flow velocity and CVR before and during infusion of dipridamole were calculated. 測量潘生丁藥物負荷試驗前後舒張期峰值血流速度及CVR值。
- A Jupiter-mass exoplanet was detected in 2000 by the radial velocity method in which astronomers look for wobbling motion of a star due to the gravitational tug of a planet. 2000年,曾經用徑向速度法發現了一顆相當於木星質量的系外行星。在徑向速度法中,天文學家們往往尋找恆星擺動的跡象,這種擺動是由於行星的引力作用造成的。
- Because the GIUH depends only on the par ameters of geomorphology and flow velocity of channel network, it may provide a new parameter esti mation method for conceptual models of CFW. 考慮到GIUH只取決於河網地貌參數和流速參數,故它可為概念性流域匯流模型提供一個新的確定參數的方法。
- The impaired microvasculature may profoundly affect the coronary flow velocity pattern in the IRA. 結論:微血管床的損害可以影響心外膜冠脈血流動力學。
- High resistance waveform with increased flow velocity was seen in contralateral VA. 病變對側va呈收縮期血流速度增快的高阻力頻譜。