Residual acceptor impurities in high purity LPE and VPE GaAs

Study of the Width of the Transition Region between GaAs Active and Buffer Layers Grown by VPE

GaAs气相双层外延层中有源层与缓冲层过渡区宽度的研究

The Preparation of GaAs VPE Multilayer Material with High Quality for GaAs MESFET Power Device

用于砷化镓功率MESFET器件的优质多层汽相外延材料的制备

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。

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。

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。

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

Cost accounting system based on VPF

基于VPF数据库开发成本核算系统

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

板件粘性介质压力成形新工艺

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。

In order to estimate the terrain trafficability of off-road vehicle, an estimating system was constructed based on VPG ( virtual proving ground) technology.

为了评价越野车辆的地形通过性，建立了基于虚拟试验场技术的评价系统。

VPG special software is used to build a Virtual-Reality Simulation System for traffic safety protection, making security simulation of bridge protection system for 8 to enhance technology.

采用VPG专用软件，构建了基于虚拟-现实的行车防护安全性模拟系统，针对桥梁防护系统的8种加强技术，进行安全性仿真验证。

Prokaryotic expression and subcellular immuno-localization in maize of the VPg protein of Sugarcane mosaic virus

甘蔗花叶病毒VPg蛋白的原核表达及其在玉米中的免疫定位

Virtual LAN Application of VPG Technology in Proving Ground Plan Confirmation

虚拟试验场技术在靶场试验计划验证中的应用

Changes of heart rate affected the myocardial contractility. Physiological maximal shortening velocity ( Vpm) was correlated with ECG R-R duration.

心律影响心肌收缩性，其生理性最大缩短速度（Vpm）和心电图R－R间期呈线性相关。

According to the functions, VM can be fallen into two categories: Virtual Product Development ( VPD) and Virtual Product Manufacturing ( VPM).

对虚拟制造进行了不同层次的划分：按功能，将虚拟制造分为虚拟产品设计和虚拟产品制造；

Synthetical statistics analysis on visual physics magnitude ( vpm) of the suface of 110 Chinese wood species

我国110个树种木材表面视觉物理量的综合统计分析

VPM can also be fallen into 3 different levels: Manufacturing System Simulation, Virtual Machine Tool and Robot Motion Simulation.

按内容，将虚拟产品制造分为制造系统仿真、加工过程仿真和机器人运动仿真。

The Effects of Preparation Methods on the Crystal Phase and Specific Surface Area of VPO Catalysts

制备方法对钒磷氧复合氧化物晶相和比表面积的影响

The Study of VPO Catalysts Activity in the Methyl Methacrylate Synthesis Process

甲基丙烯酸甲酯合成中VPO催化剂活性的研究

Effects of supercritical fluid dry on physical properties of VPO catalysts

SCDF法对VPO催化剂物性的影响