When PFC stage uses VVB control, in order to reduce the input voltage range of the next DC-DC stage, this dissertation proposes a hybrid Boost PFC converter.

Conclusions: Decreasing the operation time and stability of hemodynamics in anhepatic phase are the keys for success in OLTs without VVB.

结论：手术中无肝期时间的缩短及血流动力学的相对稳定是非转流条件下猪原位肝移植成功的关键。

This dissertation proposes a novel control method that regulates the output voltage to vary with input voltage rms change ( VVB).

本文提出一种新的控制方式，保证输出电压随输入电压的变化而线性改变。

Morbidity of VVC obviously is ascendant tendency long-term, extensive women is perplexed, and their physical and mental health is affected awfully.

VVC的发病率在全球有明显上升的趋势[1]。长期以来一直困扰广大的妇女，对妇女的身心健康造成了很大的影响。

Therefore, VVC become a common vaginal inflammatory disease which female is persecuted by it and it is harmful to reproductive health.

因此，VVC成为困扰广大女性、影响生殖健康的常见的阴道炎性疾病，所以对它的相关研究显得尤为重要。

The epidemic investigation on vulvovaginal candidiasis ( VVC) patients in high and low incident regions

VVC高发区与低发区患者的流行病学研究

The VVC patients of highly incident regions used more dirty hygienic articles than the normal group.

高发组VVC患者与正常人群相比，更多地使用了不洁卫生用品。

In China, using more dirty hygienic articles is one of the factors causing VVC.

在我国，使用不洁卫生用品是造成VVC的主要因素之一。

Treatment of 26 Cases of Diabetes with VVC

糖尿病合并外阴阴道念珠菌病26例治疗体会

Accordingly this thesis raise that the TCM treatment of VVC method is mainly strengthening body resistance and detoxication.

据此，本文提出外阴阴道假丝酵母菌病的应以扶正解毒为基本大法。

The controlling job of automatic door is done by the PLC. VVF drives the motor.

自动旋转门主要由可编程控制器（PLC）负责完成控制任务，变频器（VVF）完成对三相异步电动机的驱动。

Therefore, VVI technique shows broad prospects in the noninvasive assessment of mechanical properties of arterial injury.

因此，VVI技术在无创评估动脉损伤的力学特征方面显示出广阔的前景。

Effect of tension from VVI pacing lead on hemodynamics

VVI起搏导线张力对血流动力学的影响

Cardiac function changes during different atrioventricular delay of dual chamber pacemaker and VVI mode pacemaker

双腔起搏器不同房室延迟间期及VVI模式起搏时心功能的变化

Effect of VVI Pacemaker on the Variation of Ambulatory Blood Pressure

VVI型起搏器对动态血压变异性的影响

A cell population which could adhere to Vicia Villosa lectin ( VVL) was separated from mouse spleen cells.

应用长柔毛野豌豆凝集素（VVL）粘附法，从小鼠脾中分离出对VVL有结合特异性的细胞（VV~+细胞）。

For Variable Valve Lift ( VVL) system, classical PID control arithmetic was adopted as the main control strategy.

针对可变升程机构，采用了经典的PID控制方法；

AbstractObjectiveThis study aimed to compare and discuss the economic value of the traditional and new diagnosis approach to VVS in children.

目的对儿童血管迷走性晕厥（VVS）的传统诊断程序与新诊断程序进行卫生经济学评价。

At present, head up tilt test is the gold standard for the diagnosis of VVS.

目前认为直立倾斜试验（HUT）是诊断VVS的金标准。

Conclusion: Tilt test in diagnosing of VVS is safe and effective.

结论倾斜试验诊断血管迷走性晕厥安全有效。

Objective: To investigate clinical features and analyse defect gene transmission in a severe vWD pedigree.

目的：研究重症血管性血友病（vWD）患者家系成员临床表型特征，并分析血管性血友病因子（vWF）基因缺陷的传递规律。