Conclusion Preoperative short course 5 ′-DFUR administration do not improve prognosis of postoperative patients with gastric cancer.

The Effect of 5'-DFUR on Cancer Cell Proliferation and Microvessel Density of Gastric Carcinoma Tissue

术前口服氟尿苷对胃癌细胞增殖及微血管密度的影响

The Effect of 5'-Dfur Oral Administered Pre-Operation for Gastrointestinal Malignant Tumor

术前口服去氧氟尿苷对胃肠道恶性肿瘤的影响

Experiment results show that the optimization of main parameter in DGAC is reasonable and the analysis of quenching process is right. The pre-amplification circuit, the quenching circuit and the suppression circuit conform to the design requirement.

实验结果表明，主要参数优化设计合理，猝熄机理理论分析准确，前置放大电路、猝熄电路和抑制电路符合设计要求，电路工作可靠。

By the working principle of Double Grid Air Counter ( DGAC) employed in detecting exoelectron emission, we put forward the design specifications of the power supply.

基于双栅极空气计数管的工作原理，提出了多路输出电源的设计指标。

The design scheme of a new type electron sensor DGAC ( Double Grid Air Counter) for detection of microcracks of metallic materials is put forward.

该传感器的研究和设计，可为金属材料微裂纹的无损检测开拓一条新的研究途径。

Why do the Chinese DGAS when we try to tell them that we are the boss.

为啥当我们试图告诉中国人我们才是老大时，人家根本不屑一顾？

The academic background of DGAs has no effect on professional competence and self-efficacy.

个人背景变项中，学历对总务主任的专业能力与自我效能没有影响。

Esophago-gastro-duodenal anastomosis ( EGDA) was adopted to prepare DGER model in 47 rats.

DGER模型组采用食管胃十二指肠吻合术（EGDA）制备胃十二指肠液混合反流47只。

Objective To understand the pathological changes in acute tracheitis induced by duodenogestroesophageal reflux ( DGER).

目的了解十二指肠胃食管反流（DGER）所致急性气管炎的病理学变化。

So many factors can be involved in the occurrence of GER and DGER.

总之，许多因素都可导致GER、DGER的发生。

The feature of DGIS is huge amount of space and information data, complicated function of management and query, the requirement of system openness and the tight combination with DMS and SCADA, etc.

DGIS具有空间数据和资料信息量大，管理查询功能复杂，系统开放性要求高，同配电管理系统（DMS）、SCADA系统结合紧密等特点。

At the same time, the DGIS can be applied in many fields, such as agriculture, forestry, ocean, environment, traffic, communication, urban construction, education and military, etc.

同时，分布式地理信息服务的应用范围非常广泛，可以应用于农业、林业、海洋、环境、交通、城市建设、通讯、新闻媒体、教育以及军事等几十个领域。

ESRI corporation pointed out that Distributed Geographic Information Services ( DGIS) is one of two important directions of GIS.

Esri公司指出，分布式的地理信息服务是未来GIS发展的两大方向之一。

Management of complex three-dimensional scene is the basis of3 dgis, three-dimensional landscape system and virtual reality.

三维复杂场景管理是三维地理信息系统、三维景观系统、拟现实的基础和核心。

Since DGIS service system is a very complex system, a prototype implementation based on Java technologies has been developed.

由于DGIS服务系统是一个非常复杂的系统，我们开发了一个简单的原型系统。

Application and Studying of Owner's Organizational Management in DGIS Project Management

DGIS项目业主方项目组织管理的应用和研究

The deep research of spatial query and spatial analysis algorithms in DGIS is done in Chapter Three.

第三章对分布式地理信息系统中的空间查询和空间分析算法进行了深入的研究；

Blood samples were drawn every hour during each course for determining plasma total ascorbic acid ( TAA), ratio of dehydroascorbic acid ( DHAA) to TAA ( DHAA/ TAA), vitamin E ( Vit E), malondialdehyde ( MDA) in both plasma and erythrocytes.

每小时取血标本测定血浆总抗坏血酸（TAA）、脱氢型抗坏血酸/总抗坏血酸（DHAA/TAA）、维生素E（Vit E）、血浆与红细胞丙二醛（MDA）。

The results show that HAb18 DHAQ BSA NP can target to bind human hepatoma cell effectively specifically, and has the specific action for killing off human hepatoma cells, which is decided by human hepatoma monoclonal antibody HAb18.

结果显示，HAb18-DHAQ-BSA-NP能有效地特异性靶向结合人肝癌细胞，且对人肝癌细胞具有特异性杀伤作用，这种杀伤作用的特异性由人肝癌单克隆抗体HAb18决定。

Results: A quantitative determination of DHAQ in hapatic targeting antineoplastic drug NGA& DHAQ was established.

结果：建立了NGA&DHAQ中DHAQ含量的测定方法。