Screening and Immune Efficacy Studies on VFY Attenuated Vaccine Strain of Duck Virus Hepatitis

Polymerase chain reaction-PCR technique was used to obtain Vitreoscilla hemoglobin gene ( vgb) using its genomic DNA as a template.

以透明颤菌染色体基因组DNA为模板，利用PCR技术获取透明颤菌（Vitreoscilla）血红蛋白基因（vgb）。

Study on Novel Halophilous Characteristics of Penicillium chrysogenum vgb Transformant PTH-1

产黄青霉vgb转化菌PTH-1嗜盐新特性研究

In this study, we integrated the vgb gene into the GSH producing Saccharomyces cerevisiae genome.

本研究首次将vgb基因整合到产GSH酿酒酵母基因组中。

Integrated expression and roles of vitreoscilla hemoglobin gene ( vgb) in Bacillus subtilis

透明颤菌vgb基因在枯草芽孢杆菌中的整合表达

Obtained 3 positive regeneration plants transformed with Vgb gene through PCR identification, and RT-PCR analysis was under conducting.

经PCR分子检测，获得呈阳性反应的转透明颤菌血红蛋白基因（Vgb）植株3个，并正在对其基因表达进行RT-PCR分析。

Agrobacterium-mediated callus lavender, Vgb Transgenic gene transgenic plants.

农杆菌介导薰衣草愈伤组织，获得转Vgb基因的转基因植株。

Status Offline Demineralized Water: Quality in accordance with VGB norms for high pressure boilers.

软水：质量符合高压锅炉VGB（德国标准）正常值。

This paper addresses the concept and characteristics of virtual geographic environments ( VGE).

提出虚拟地理环境概念，并讨论其特征。

Terrain is the carrier of Virtual Geographic Environment ( VGE).

地形是虚拟地理环境的承载体。

VGE is the virtual reality based on the geo-analysis models and geo-project, which describes geography systematic space distribution as well as the virtual information geography world of process phenomenon established by geographical worker according to observation experiment and theoretical assumption.

虚拟地理环境是基于地学分析模型、地学工程等的虚拟现实，它是地学工作者根据观测实验、理论假设等建立起来的表达和描述地理系统的空间分布以及过程现象的虚拟信息地理世界。

Semantic information in VGE is a type of interactive knowledge, which can achieve a natural and efficient human-computer interaction.

虚拟地理环境中的语义信息可以作为交互知识，通过它可以实现自然高效的人机交互。

The definition of VGH is given and the mapping relationships are analyzed between features in VGH and captions in an image.

文章给出VGH的定义，对其中的特征及其与图像中字幕的映射关系作了分析，并在此基础上给出视频字幕的检测与定位方法。

The paper presents a variant gray scale histogram ( VGH) for the purpose of detecting and locating captions in video images.

为实现视频图像中字幕的快速检测与定位，本文提出一种变异灰度直方图VGH。

An algorithm for text detection based on edge detection and VGH

基于边缘信息和局部直方图的视频文字检测法

All of that volunteered geographic information ( VGI as Michael Goodchild calls it) should be brought into geographic information systems so that we can understand it.

所有的自愿提供的地理信息应该将其保存在地理信息系统里，以便我们能理解它。

This paper mainly emphases how to make the VGI as an effective data source of professional survey department to detect the changed for updating.

本文的研究重点在于如何将自发地理信息作为专业测绘部门发现变化和数据更新的有效数据来源。

Vacuum gas nitriding ( VGN) technology was adopted and evaluated for well casing to against the corrosion in Changqing oilfield.

针对长庆油田油井套管腐蚀问题，采用并评价了真空渗氮工艺。

Energetically developing hydrogenation units for deep processing VGO and residual oil

我国蜡油及渣油深加工应大力发展加氢型装置

The operation of vacuum residue hydrodesulfurization unit imported by Qilu Petrochemical Company and FCCU which processes the obtained VGO and residue as mixed feedstock was discussed.

介绍了齐鲁石化公司引进的减压渣油加氢脱硫装置生产及催化裂化装置掺炼其产品蜡油和渣油的情况。

Study on the reaction mechanism for Daqing VGO over acid catalyst

大庆蜡油在酸性催化剂上反应机理的研究