The timed release pellets consist of 5 laminar layers from the center to the outside :the core, the drug layer, the swelling agent layer , the block layer and the controlled layer .
该脉冲微丸由5层结构组成，从内而外分别是丸芯、药物层、溶胀层、阻滞层和水不溶性控释层。
Like in an infinite flow, we find that laminar boundary layer, transition region and turbulent boundary layer also exist along a flat plate in open channel flow boundary layers.
试验研究发现明流光滑平板边界层中，与无限边界绕流平板边界层一样，沿平板有层流边界层，转捩区和紊流边界层三部分。
The characteristic parameters of fluid during the transition in boundary layer are obviously different from that of the laminar flow or the turbulent flow.
边界层转捩流动的特征参数明显不同于层流或湍流，转捩流动的这些特征直接影响着流体的动力、传热特性。
The analysis result of velocity distribution and boundary layer thickness is put forward in the boundary layer and cored region for laminar and turbulent flow of pipeline.
采用动量积分方法推出了管道流动中的速度边界层方程，给出了管道层流和紊流时速度边界层和核心区中的速度分布、边界层厚度的解析结果，并与冯。
The computation results show that the effect of density to laminar bottom layer in vertical pipeline is obvious and is bigger than that of viscosity, which can not be ignored.
研究结果表明，密度对竖直管道顺序输送过程中层流底层的影响比较明显，并且大于粘度影响，不可忽略。
It shows that the boundary layer induced behind a 2 ATM 2h2 + O2, mixture detonation wave may undergo a transition from laminar to turbulent and then turn out a turbulent boundary layer.
值得指出的是，2大气压下2h_2 + O_2气体爆轰波后诱导引起的附面层可能经历着从层流向湍流的转捩，而后成为湍流附面层。
The ignition process of combustible gas stream by a heated plate in the laminar boundary layer was analytically considered and the limits of ignition were determined.
以此分析了炽热平板层流边界层内可燃气流的引燃，给出了描述引燃的着火临界条件。
An experimental study on the laminar boundary layer instability and transition was carried out in a flat-plate boundary layer by means of controllable heat pulsing introduced into the critical layer.
本文用可控热脉冲输入临界层的方法研究了平板层流边界层的稳定性与转捩。
Field synergy principle is based on the steady state laminar thermal boundary layer integral equations and has been validated by the experimental data and numerical simulations.
场协同原理是基于稳态时层流热边界层的积分方程得到的，其正确性已得到了实验及数值验证。
Field synergy principle is based on the steady state laminar thermal boundary layer integral equations and has been validated by the experimental data and numerical simulations.
场协同原理是基于稳态时层流热边界层的积分方程得到的，其正确性已得到了实验及数值验证。
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