According to Finite Element Method, the impactor is considered as a discrete mass system in terms of 3D solid element with initial velocity, and 2D shell element is used for target plate.
首先采用有限元法，将撞击体离散成由三维实体单元构成的具有一定初始速度的离散质量系统，对靶板采用二维壳单元离散。
The influence of microwave radiation time, arc time and the mass ratio of KOH and coconut shell chars on the specific capacitance of the activated carbon were studied.
考察了微波辐射时间、起电弧时间，以及KOH与炭化椰壳配比对活性炭比电容量的影响。
The nonlinear equations of motion with two internal moving-mass actuators are provided, and the influence to the system of moving masses' motion with respect to the vehicle's shell is described.
建立了带有两个可移动滑块的导弹系统非线性运动模型，分析了滑块与弹壳的相对运动关系对系统运动产生的耦合影响。
When the mass fraction of the homopolymer in blends reaches 33.3%, the "core-shell" structure, similar to the micelles, can be clearly observed in the polystyrene (PS) matrix.
当均聚物质量分数增大到33.3%时，在聚苯乙烯（PS）连续相中形成了类似胶束的“核-壳”结构。
When the mass fraction of the homopolymer in blends reaches 33.3%, the "core-shell" structure, similar to the micelles, can be clearly observed in the polystyrene (PS) matrix.
当均聚物质量分数增大到33.3%时，在聚苯乙烯（PS）连续相中形成了类似胶束的“核-壳”结构。
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