bva

The Conceptualization and Research on BVA Model Based on Human Capital

基于人力资本的BVA模型的构想研究

Preparation and property analysis of st / bva / ba polymer microgel with core-shell structure

核壳型St/BVA/BA微凝胶的制备及性能测试

According to the dynamic equation of the BVA-Structure systems , the vibration control effect of the BVA is studied in time domain .

根据结构&BVA体系风振控制的动力方程，在时域范围内考察了BVA的减振效果。

Objective : The effects of rehabilitation on benigh ventricular arrhythmia ( BVA ) were observed .

目的：观察康复治疗对良性室性心律失常的疗效。

Objective To establish the method to assess mathematically the compensation of flow in bilateral vertebralartery ( BVA ) .

目的建立定量描述双侧椎动脉血流代偿性的方法。

Effects of short Term Biventricular Assist ( BVA ) on Tissue Chemistry , Energy Metabolism and Ultrastructure of Global Ischemic myocardium

短期双心室辅助循环对缺血心肌组织化学能量代谢及超微结构的影响

Production and Foaming Behavior of Foamable Microparticles on P ( S / BVA ) - PS as Core - Shell

P（S/BVA）-PS核-壳微球发泡剂的制备及发气性探讨

Preparation of foamable P ( St / BVA ) - PSt core-shell microparticles by seeding emulsion polymerization

种子乳液聚合制备可发气P（St/BVA）-PSt核壳微球

One poll for BVA conducted on15 and16 October suggested his approval rating was down to30 % , the lowest for three years .

一项在BVA十月15日和16日进行的民意调查显示，他的支持率下降到了30%，为三年来最低。

Firstly , this article provides the BVA model theory basis . And then it goes on massive collecting related data about companies appearing on market to prove the theory accuracy and usability of the BVA model .

本文前半部分论证BVA模型的理论基础，后半部分通过大量收集上市公司有关数据，实证分析BVA模型的理论正确性和实用性。

The natural frequency formula and vibration differential equation of the BVA systems are studied with D'Alembert theory and kinetics equations , the system 's vibration control mechanism is also expounded by the SDOF displacement-loaded mechanics model .

运用D'Alembert原理和动力学普遍方程推导了钢球减振器体系自振频率的计算公式和振动微分方程，用单自由度位移激励强迫振动模型阐述了该减振体系的减振机理。

In order to reduce the " wind vibration " and steel dosage , this paper chooses the Ball Vibration Absorber ( BVA ) to be mounted on the top of the structure to reduce the response of displacement after comparing various kinds of control equipments .

为了有效抑制风振、降低用钢量，本文在比较多种被动控制装置的基础上提出在结构顶部安装钢球动力减振器（BallVibrationAbsorber）来减小位移反应。