Viscous sub-cycle time step and Lagrangian sub-cycle time step are adopted to accelerate convergence.
采用粘性子循环时步、拉格朗日子循环时步加速收敛；
This dissertation is one of the sub-problems of "Computer Dynamic Test and Calculation of Welding Heat-cycle", which is a project on natural science fund.
本文是自然科学基金项目“焊接热循环的计算机动态测试与计算”的一个子课题。
In the design of current-mode PWM DC-DC converters, the slope compensation method widely used to prevent sub-harmonic oscillation can significantly weaken the load capacity under a high duty cycle.
电流模pwm集成dc - DC变换器设计中，为了防止亚谐波振荡而普遍采用的斜坡补偿，会在占空比较大时严重影响芯片的带载能力。
Results: (1) Sub-confluent cells having starved in DMEM containing 0.4% FBS for 48h, 88.5% of the cells were at G0/G1 phase of the cell cycle.
研究结果表明：（1）培养至次融汇状态的乳鼠心脏成纤维细胞经低血清（0.4％FBS）饥饿培养48小时，G0/G1期细胞占88.5％；
Results: (1) Sub-confluent cells having starved in DMEM containing 0.4% FBS for 48h, 88.5% of the cells were at G0/G1 phase of the cell cycle.
研究结果表明：（1）培养至次融汇状态的乳鼠心脏成纤维细胞经低血清（0.4％FBS）饥饿培养48小时，G0/G1期细胞占88.5％；
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