Three new conceptions of blade channelcontraction factor, whistling generation function and surging generation function are proposed.
提出了叶道收缩系数、哨声发生函数和喘振发生函数三个新概念。
2
The calcium channel blockade of tetrandrine could be related to its antagonistic action on tracheal contraction induced by anaphylactic mediators.
汉甲的钙通道阻断作用可能与其拮抗过敏介质收缩气管的作用有关。
3
The entry convergent flow pattern was observed with flow visualization technique when the resin melt flowed through a die featuring abrupt contraction in cross-section of channel and axial symmetry.