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

• Characteristics of Flow Field in Annulus Space between Train and Tunnel
  列车与隧道环隙空间流场特性的研究
• The diffraction of super Gaussian beams by an elliptic annulus is studied numerically.
  本文采用数值计算方法讨论了超高斯光束经椭圆环的衍射现象。
• When notochord organization is ceaseless and migratory, fiber annulus also increases.
  在脊索组织不断迁移时，纤维环亦增大。
• 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
• The compact area of unripe condyle carries development to the head, form cartilage dish with fiber annulus former base.
  生骨节的致密区向头端发展，形成软骨盘和纤维环的原基。
• Pump running, you must use a small amount of fluid set of internal magnetic separation between the rotor and the annulus area and sliding friction bearings for flushing cooling deputy.
  泵运转时，必需用少数的液体对内磁转子与隔离套之间的环隙区域和滑动轴承的磨擦副进行冲洗冷却。
• The Application of Screw Pumps in Directional Wells and the Technology Research on Annulus Test
  定向井中螺杆泵及螺杆泵环空测试技术研究
• Numerical simulation on natural convection of water near the maximum density in horizontal annulus;
  在整体有限元模型基础上，对水平层缝的模拟做了简化处理。
• 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。