1) turbulence of air current
紊动性
2) turbulence characteristics
紊动特性
1.
Based on the right channel of Shenbeizui reach in the Yangtze River,turbulence characteristics of flow in different dredge-cut were studied in generalized model with a 3-D MicroADV system.
以长江上游神背嘴右槽为原型进行挖槽概化模型设计,采用三维超声流速仪,系统地测量不同挖槽断面下水流紊动特性,并对时均流速、紊动强度等沿垂线分布进行分析计算,同时还对挖槽水流纵向、横向及垂向的紊动强度分布特点进行了比较。
2.
Several mean characteristics such as the distribution of velocity in a section,jet width,decay of centerline velocity,and turbulence characteristics including turbulence intensity and skewness of velocity distribution are obtained.
获得了该射流的横断面流速分布、射流扩展宽度和轴线流速沿程变化 ,以及横断面紊动强度、流速分布的偏差系数等紊动特性 。
3.
Based on the researchs on the time average characteristics of the flow over gradually varied curvature bucket,the turbulence characteristics have been investigated by useing a 2-dimensional Laser Doppler Anemometer (LDA) system.
本文在曲率缓变型反弧段水流时均特性研究的基础上,进一步使用二维激光测速系统对其紊动特性进行探讨,通过试验测得反弧段时均流速分布,流向和法向脉动流速的各种特征值;应用离心不稳定性理论分析了反弧水流特性,阐明沿程断面流速分布在反弧前半部趋于瘦弱,后半部趋于丰满的原因,并说明离心不稳定性作用导致反弧水流的混掺加剧;论证了壁面切应力和紊流强度在反弧后半段逐渐增加的原因;通过试验发现离心不稳定性效应的滞后现象。
3) turbulent characteristics
紊动特性
1.
By using ADV (Acoustic Doppler Velocimeter) measurement techniques, the turbulent characteristics of a round jet in stagnant surroundings are studied in this paper.
利用 ADV(Acoustic Doppler Velocimeter)技术对静止环境条件下圆射流流场紊动特性进行了研究 。
4) gastrointestinal motility disorders
动力紊乱性疾病
1.
The effect of gastro-intestinal pace maker on gastrointestinal motility disorders;
胃肠起搏治疗胃肠动力紊乱性疾病
5) airflow fluctuations
气流紊动特性
1.
Literature review of airflow fluctuations in building environments;
建筑环境气流紊动特性研究综述
6) turbulent viscosity coefficient
紊动黏性系数
1.
Influences of horizontal turbulent viscosity coefficient and moving boundary treatment on tidal current simulation
潮流模拟中平面紊动黏性系数及动边界处理的影响
补充资料:家族性阵发性运动诱发性舞蹈手足徐动症
家族性阵发性运动诱发性舞蹈手足徐动症
亦称“周期性肌张力不全”。系阵发性肌张力不全性舞蹈手足徐动症的一种类型。可为散发,或显性遗传。儿童期起病,青春期加频。临床特点是由主动运动而诱发肌张力不全、舞蹈手足徐动、强直。每日可出现数次,无意识障碍,脑电图正常。用小剂量抗癫痫药有较好效果;也有的用左旋多巴有效。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条