Thus the difficulties of discontinuous velocity gradient and the stress singularity at the exit point are avoided, and the expense of computation is reduced.
这样回避了速度梯度间断的困难，缓和了出口处应力奇性引起的矛盾，同时又减少了计算量。
Five zones were separated by improved discontinuous sucrose gradient centrifugation.
用改进的不连续蔗糖密度梯度离心法分离到五条带。
Objective To establish an rapid and simple discontinuous density gradient method for purification of islet cells from rat pancreas.
目的探索用简化的单一密度梯度法建立快速纯化大鼠胰岛细胞的方法。
METHODS Rat lipocyte was isolated and purified with discontinuous density-gradient centrifugation.
方法不连续密度梯度离心法分离纯化大鼠肝贮脂细胞。
Methods Rat gastric parietal cells were isolated by pronase digestion and purified by discontinuous density-gradient centrifugation.
方法采用链霉蛋白酶消化、间断密度梯度离心纯化大鼠胃黏膜壁细胞。
The discontinuous finite element method is extended to solve the direct problem, and then the conjugate gradient method is used to solve the inverse problem by optimizing the objective function.
正问题采用间断有限元法求解，反问题的解则在正问题的基础上通过共轭梯度法得到。
The discontinuous finite element method is extended to solve the direct problem, and then the conjugate gradient method is used to solve the inverse problem by optimizing the objective function.
正问题采用间断有限元法求解，反问题的解则在正问题的基础上通过共轭梯度法得到。
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