annulus

英

美

n.  环形物，环带（节、体）；圆环域

化学

COCA.36877

英英释义

noun

• (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
  Synonym:skirt
• a toroidal shape
  1. a ring of ships in the harbor
  2. a halo of smoke
  Synonym:ringhalodoughnutanchor ring

双语例句

• Study of the Inner Boundary Force of Axial Variable Cross Section Annulus Power Law Fluid
  轴向变截面环空幂律流体内边界力的研究
• In this paper we simulated the mechanism of the formation and structure of the western Pacific subtropical high in a rotating annulus.
  本文用模拟实验方法研究了西太平洋副热带高压的成因和结构。
• Numerical calculation of pressure drop of axial laminar flow in concentric annulus of power-law drilling fluid Churn flow and annular flow are common flow patterns encountered in gas-liquid systems through conduits.
  幂律钻井液同心环空轴向层流压降的计算对垂直同心环形管内上升气液团状流向环状流的转换进行了研究。
• A CFD Simulation of the Flow Field of a Power Law Fluid in an Eccentric Annulus
  幂律流体偏心环空流场的CFD模拟
• To reduce the pollution of the oil-gas well towards the bottom after its fracturing and decrease the operation costs, the hanger specially used for annulus feeding fracturing was developed.
  为了减轻油气井压裂后对地层的污染并降低作业成本，研制了高强度环空压裂专用悬挂器。
• PIV experimental study on the axial velocity's distributing law of power law fluid's helical flow in eccentric annulus
  幂律流体偏心环空螺旋流轴向速度分布规律的PIV实验研究
• Objective To probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.
  目的探讨二尖瓣环收缩期峰值速度及收缩期位移评价扩张型心肌病患者左室收缩功能的价值。
• The application range of the annulus centrifugal flowmeter is also provided.
  给出了该流量计的使用范围。
• Sleeve used to establish between the tubing and annulus flow channel, or used to control the production of disposable isolation layer or layers.
  滑套用于建立油管和环空之间的流动通道或用于控制生产层或隔离弃层。
• Objective: To investigate the feasibility of fascia lata on repairing intervertebral disc annulus.
  目的：探讨阔筋膜修复腰椎间盘纤维环的可行性。