基于虚拟原点概念推导了运动过程中射流径向尺寸变化规律。
The radius variation of the jet in the motion process is deduced based on the virtual origin concept.
从电合成实验和纳米热力学两方面，考察二氧化钛热处理时的相态和尺寸变化规律。
From both electro-synthesis experiments and nanothermodynamics, the phase states and size changes of heat-treated titanium dioxide powders, synthesized by direct electrolysis, are investigated.
根据轴向体积流动规律导出了法兰环件轧制尺寸变化规律和其各种轧制用毛坯的体积分配规律。
The volume flow amount is also calculated. The dimension variation law for rolling flange ring and the volume distribution law for its rolling blank are derived from the axial volume flow.
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