Conclusion Headpin gene might play an important role in the development of OVC and down-regulate the expression of VEGF gene.

There were no statistically significant differences between OVC groups and OSCC groups ( p0.05).

口腔疣状癌与口腔鳞癌阳性表达无显著性差异（p0.05）。

This paper summarizes the characteristics of OVC ( Ordered Vacancy Compound) thin film materials.

本论文对OVC（Ordered Vacancy Compound）薄膜材料的特性进行了概述。

The function of OVC in CIGS thin film solar cells

OVC在CIGS薄膜太阳电池中的作用

Moreover, a modified transverse-torsional model of spur PGT is established in the rotating Cartesian coordinates and compared with the transverse-torsional model.

在系杆随动坐标系下建立了直齿行星传动的修正平移-扭转耦合模型，并通过仿真算例对两种模型进行了比较。

To highlight the importance of ring gear flexibility to dynamic performance of the system, a novel elastodynamic model of spur PGT is presented in this thesis.

本文将以NGW型直齿行星传动为例，创建计入内齿圈弹性的直齿行星传动的精细化模型，以揭示内齿圈的弹性变形对系统动力学性能的重要影响。

Pgt; peace and justice for the Palestinian people-an imperative for the1990s;

为巴勒斯坦人民争取和平与正义-1990年代的紧急任务；

A simplified purely torsional concentrated parameter model of a single stage 2K-H spur planetary gear transmission ( PGT) is developed.

建立了单级2K-H直齿行星传动的纯扭转集中参数动力学模型。

Methods: Program Guidance Tool ( PGT) is a tool helping to determine the leading intervention scheme for RTIs.

方法：PGT（Program Guidance Tool）是一个帮助确定生殖道感染综合干预首选方案的工具。

The theory of planet phasing ( TPP) of the PGT is investigated.

研究了行星传动的相位调谐理论。

Prostaglandin Transporter, Rat, Control Peptide ( PGT)

前列腺素转运体，大鼠，对照肽（PGT）

The technology to make a large area master with the grating of optically variable device ( OVD) is role in holographic image embossing.

制作具有光变图像（OVD）光栅条纹的大面积全息原版，是激光图像无油墨印刷的核心技术之一。

The required thickness ( 0.6-0.8 μ m) of SOS film is deposited by the standard OVD method on the thin silicon layer.

3）再用通常CVD方法在带薄硅层上外延生长所需厚度（0.6～0.8μm）的SOS膜。

In this article we introduce the manufacture methods, measurements, applications of Optical Variable Device ( OVD) being based on our research working recently.

作者结合近几年的研究工作，介绍并探讨了光可变材料的研制方法，测试方法及应用。

Graphics oriented design ( GOD) is also proposed to realize achromatic OVD and the fabricated examples are also given.

此外，还提出了面向图形结构的非彩色OVD实现方案，并给出了实验结果。

The results show that the diffraction efficiency of transferred OVD can be higher than that of original shim.

对复制前后的光变图像光栅进行的测试表明，转移后光栅的衍射效率可以高于母光栅。

OVD process in optical fiber fabrication

光纤制备中的外汽相沉积工艺研究

Design of printing system with needle-type grating head for OVD'S

针式光栅头光学可变图像打印系统的设计

Objective: To explore the pathogens of post gonorrhea urethritis ( PGU), so that proper treatment can be given.

目的：探讨淋病后尿道炎（PGU）的病因，以便采取相应的治疗措施。

He also suggests they take a long list of supplements and drink water with PGX, a form of fiber that expands in the stomach, before every meal.

他还建议读者在每顿餐前进食许多补剂、并喝点含有PGX的水，PGX是一种能在胃里膨胀的纤维。

Pharmacogenomics ( PGx) is often considered "the great new wave" in medicine, promising better, safer, and more affordable healthcare.

药物基因组学被认为是医学的“全新热潮”，能带来更好，更安全和更耐受的医疗服务。