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- 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。
- THE SOLID PHASE CONCENTRATION MEASUREMENT OF THE GAS SOLID TWO-PHASE FLOW BY THE SOUND VELOCITY METHOD 气粉混合物固相浓度的声速法测量
- sound velocity method 声速法
- A new method for inverting sound velocity profile field with empirical orthogonal functions is given.It is shown from the results that SVP computed by the method has high precision. 摘要提出了根据实测声速剖面,利用经验正交函数建立了声速剖面场的数学模型,得到了任意点位的声速剖面对边缘波束数据进行声线折射改正的方法。
- 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 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。
- As an example, the distribution of the detonation pressure, density, particle and sound velocity along the detonation profile are given for TNT. 以tnt为例进行了计算,给出了其爆轰波内压力、度、速和声速等参数的分布。
- Finally, at long ranges, the blast wave becomes essentially a sound wave and its velocity approaches ambient sound velocity. 最后,在很远的距离处,爆震波基本上就变成一种声波,其速度已接近周围的声速。
- 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。
- William J.Capell,Sr.Determination of Sound Velocity Profile Errors Using Multibeam Data[C].Proceeding of Oceans 1999,1 144-1 148. 冯士笮;李风崎;李少菁.;海洋科学导论(第一版)[M]
- In the stress-atrain course of being controlled, thc sound velocity of each type seafloor sediment is variance as the developing of the strain course. 各类海底沉积物在受控应力-应变过程中,声速随应变过程发展而变化;
- This paper introduced a new Lamb wave sensor based on the analysis of nowaday methods for measuring sound velocity in liquid. 在分析现有液体声速测量方法的基础上,提出了一种新的兰姆波传感器。
- 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。
- The improved experiment device of interference of sound wave can feel the interference countervail and strengthening of sound in ordinary lab, and measure the sound velocity. 摘要本文给出了改进声波干涉实验装置的具体方案,该改进装置可在普通实验室内感受声音的干涉相消和干涉加强现象,并能测定声速和频率。
- After partition the pipe into calculation cells, the sound velocity, fuel density, fuel pressure and flowing velocity at every calculation crunode in different time are gained. 在对油管合理地划分计算单元后,可求解得到油管各个结点在不同时刻的燃油音速、密度、压力和流速等特征参数值。
- The shortening of the medullar rays naturally decreases the sound velocity a lot and, consequently, reduces the vibration capabilities of the instrument. 材料虽然没拿,但因此认识他太太,后来为材料的事也联系过很多次,只是材料总是不合心意,生意没成但人还是认识了。
- Objective To investigate a new methed of measuring serum total protein by improving biuret reagent through two point velocity method in order to dissolve the sample′s interference of hemolysis, icterus, lipid,polymeric glucose. 目的研究建立改良双缩脲试剂二点速率法测定血清总蛋白的方法,以消除标本溶血、黄疸、脂浊、含葡聚糖的干扰。
- Results Compared with sound velocity and attenuation, the backscatter coefficient could reflect the structural change of biological tissue.The high frequency ul... 结果高频背向散射系数较声速、声衰减更能反映组织结构的变化,高频超声图像具有高的分辨率。
- Conclusion It could dissolve effectively the sample′s interference of hemolysis, icterus, lipid, polymeric glucose while adopting improving single reagent through two point velocity method. 测定高脂、黄疸、含葡聚糖标本两种方法间有非常显著性差异。 结论采用改良法单试剂二点速率法测定血清总蛋白,能有效消除溶血、黄疸、高脂和葡聚糖的干扰。
- This paper analyzes the reason of systematic error forming, the sound velocity error and attitude error are thought to be two main contribution factors. 摘要在多波束数据处理中,系统误差一般很少被顾及,部分文献采用两步滤波法削弱了系统误差的影响,但所建模型的可靠性较差。