VPF

The results showed that parameters Index of Diversity(ⅰ), Variance of Phenotypic Frequency ( VPF), Variance of Phenotypic Value ( VPV) and Coefficient of Variation ( CV) are more effective on evaluating different methods for core collection selection among 8 studied parameters.

结果表明，在所选8个参数中，多样性指数、表型方差、表型频率方差及变异系数为对比不同核心种质取样方法间优劣的有效参数；

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Objective To study the expression and significance of vascular permeability factor ( VPF) in nasal polyps.

目的探讨血管通透性因子（vascular permeability factor，VPF）在鼻息肉组织中的表达及意义。

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Viscous pressure forming ( VPF), a recently developed process, is an advanced approach in sheet metal forming.

粘性压力成形技术是金属板材成形领域里新近出现的一种先进的加工工艺。

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Restore the plug inside the unit by sliding the plug button while pressing it. Control on blank holder pressure ( BHP) during viscous pressure forming ( VPF) thin-walled sheet metal parts

边按压边向机内侧滑动，使插头按钮收藏在机内。薄板件粘性介质压力成形过程的压边力控制

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Research on Viscous Pressure Forming ( VPF) of Aluminum Alloy Ladder Parts

铝合金阶梯形件粘性介质压力成形的研究

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Experimental research for viscous pressure forming ( VPF) of hemispherical part is presented in this paper.

本文对半球形件的粘性介质胀形进行了实验研究。

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Viscous pressure forming ( VPF ) , a recently developed process, is an advanced approach in sheet metal forming.

粘性压力成形技术是金属板材成形领域里新近出现的一种先进的加工工艺.

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Cost accounting system based on VPF

基于VPF数据库开发成本核算系统

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Viscous pressure forming ( VPF), a new developed sheet flexible-die forming process, has been playing a good application on sheet metal forming in aerospace industry.

粘性介质压力成形作为一种近年来发展起来的板材软模成形方法，已经在航天等领域得到了较好的应用。

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The mechanical properties of viscous medium are one of main factors in VPF.

粘性介质的力学性能是粘性介质压力成形的主要影响因素，目前还缺少深入的理解和材料模型。

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A New Technology of Viscous Pressure Forming ( VPF) of Sheet Parts

板件粘性介质压力成形新工艺

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