vrr

Concentrating on the dynamic mechanics model of SPM tip-sample interaction , the physical meaning and influence factors of VRR were analyzed theoretically .

围绕SPM针尖-样品副的动态力学模型，对抑振系数的物理含义、影响因素等进行了理论分析。

Objective To study the mechanism of the Vitality regulation Recipe ( VRR ) on the learning and memory impairment and cell factor in the rat with Alzheimer dementia .

目的探讨调神方对老年性痴呆（AD）大鼠学习记忆和细胞因子调节的作用机制。

To analyze the influence of external vibration on the tip-sample interaction of scanning probe microscope ( SPM ), a concept , vibration rejection ratio ( VRR ), was proposed .

为分析外界振动对扫描探针显微镜（SPM）针尖-样品副的影响，提出抑振系数的概念。

The accuracy of gravity quantities obtained by all components of gravity gradient tensor will make an improvement of more than 40 % on that of the only radial component Vrr .

利用重力梯度张量全分量求得的重力值精度比单用径向分量V（rr）的结果提高40%以上；

These groups were observed by the methods of Y electrical maze , and serum cell factor . Results VRR could remarkably increased rightly rate of Y electrical maze , and descend IL 1 , IL 6 level of serum .

结果调神方能明显提高Y-电迷宫正确次数，明显下调血清白介素-1β（IL-1β）、白介素-6（IL-6）的水平。

A vibration stimulating and measuring system for SPM is built up . The influence of SPM scanners , probes , samples , tip preload stresses and open / close loop tip-sample interactions are tested on SPM VRR .

搭建了SPM激振、测振的实验系统，对不同的SPM扫描器、探针、样品、针尖预应力以及针尖-样品副开/闭环对SPM抑振系数的影响进行了实验研究。