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- Flow velocity should not exceed 5 ft./sec. 流速不能超过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. 方法用双平面经食道超声心动图检查20例成人冠状动脉的长度、内径和血流速度。
- 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. 为改善由于四角喷燃锅炉残余旋转引起的水平烟道速度分布不均匀的状况,介绍了一种将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. 本文介绍利用紊流下形阻系数近于常数的条件,对60t吹氩钢包内的主流股流速进行实际测量的原理、方法和结果。
- 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. 本文针对热膜流速仪元件的工作原理提出了在平面旋转测量液体三维流速的方法,并测量了大型精馏塔板液相单相三维流场。
- This paper describes the flow velocity calculation method for natural riverway based on the hydrostatic open channel uniform flow theory and its relative formulas. 为防止河床持续下切造成管道事故,一般对穿越河流的长输管道采取护底措施进行防护。
- 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:评价计帧法测定冠状动脉血流速度在急性心肌梗死(AMI)再灌注治疗中的临床意义。
- High flow velocity was found in some patients accompany stenosis of the siphon. 合并虹吸段狭窄时血流速度增高频谱紊乱。
- A measure velocity method is given by michelson intefese to deal with Lasen Doppler frequence change. 通过采用迈克尔逊干涉处理激光多普勒频移信息的方法,实践测量物体运动速度。
- The metal flow velocity can become uniformity by optimizing the die structure. 通过对模腔结构的优化设计,使金属流动趋于均匀。
- The saltness has an effect on water content in oil while determined by using ultrasonic velocity method. 利用实验方法,建立了不同含水率及不同含盐量下油水混合物声速随温度变化的关系曲线族。
- Strait to the South Central there is a flow velocity of 10 cm / sec around. 海峡中部存在着南向流动,流速为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:用速率法测定肝功能损伤者和正常健康人组的腺苷脱氨酶及转氨酶(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. 冠脉造影数字跟踪技术测定冠脉血流速度与Doppler血流速度显著相关,两者表达单位一致,方法简便易行,重复性好,可以用作常规冠脉造影血流速度定量指标。
- The orientation structure of the polyacrylonitrile precursors was quantitatively studied by the sound velocity method and the wide angle X-ray diffraction. 采用声速法及X射线衍射法对不同拉伸倍数聚丙烯腈原丝的取向结构进行研究。
- Peak diastolic flow velocity and CVR before and during infusion of dipridamole were calculated. 测量潘生丁药物负荷试验前后舒张期峰值血流速度及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,曾经用径向速度法发现了一颗相当于木星质量的系外行星。在径向速度法中,天文学家们往往寻找恒星摆动的迹象,这种摆动是由于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. 考虑到GIUH只取决于河网地貌参数和流速参数,故它可为概念性流域汇流模型提供一个新的确定参数的方法。
- The impaired microvasculature may profoundly affect the coronary flow velocity pattern in the IRA. 结论:微血管床的损害可以影响心外膜冠脉血流动力学。
- High resistance waveform with increased flow velocity was seen in contralateral VA. 病变对侧va呈收缩期血流速度增快的高阻力频谱。