On this basis, an environmental database concluding 1037 chemicals is established which can be used to assess the total impact of chemicals.
对化合物的环境影响进行了分类,并研究了9类环境影响类别:温室效应,臭氧层损害、光氧化生成、酸雨、富营养化、生态毒性、人体毒性等,并给出了影响潜值的计算方法;在此基础上建立了1037种常见化合物的环境数据库,利用规格化公式和总环境影响公式,可用来评价化合物的综合环境影响。
The Study on the Data Integration Technology under Heterogeneous Database Environments;
异构数据库环境下数据集成技术的研究
Referral Database on Energy and the Environment
能源与环境查询数据库
How to communicate bet ween the databases in the environment of Delphi,how to realize the communicati on between Matlab and the database.
Delphi环境下数据库和数据库文件之间的数据通讯。
Metadata Service for Database System on the Grid;
网格环境下数据库系统的元数据服务
To Access Database Image Field in Visual Basic.NET;
Visual Basic.NET环境下存取数据库的Image字段数据
Developing of Ecomaterials Website and Database of Materials Environmental Loads;
环境材料网站开发及材料环境协调数据库
The Database Query Prototype Under the Grid Environment
网格环境下数据库查询的原型与实现
Library Science Abstract Database Under Network Environment
网络环境下的《图书馆学文摘数据库》
Study on Urban Geo-environmental Database Establishment and Application;
城市地质环境数据库设计与应用研究
Research of Multi-Agent Based Cooperative Database Environment in CSCW;
CSCW中基于Agent的数据库协同环境研究
The Research of Security Technology of Data Warehouse under the Web Environment;
Web环境下数据仓库安全技术研究
Data Management System (C/S Mode) for Environmental Monitoring;
环境监测C／S模式数据库管理系统
How to Access Oracle Database under ASP Circumstances;
ASP环境下如何实现Oracle数据库的访问
Visiting and Processing FoxPro Data-Base in VB Environment;
VB环境中对FoxPro数据库的访问与处理
A Database Design on the Evaluating System to the Present-stituation of the Enviromental Quality;
环境质量现状评价系统的数据库设计
The Establishment of Engineering Database in the CAD/CAM Environment;
CAD/CAM环境下的工程数据库的建立
Methodology of Building Resource-Environment Database at County Level;
县级资源环境数据库建设的技术方法
Application of PowerBuilder Database Technology into WWW Environment;
将PowerBuilder数据库技术应用到WWW环境中