The Xuan Dai Bay,located in Phu Yen Province,Vietnam,is one of the most traditional and important aquaculture areas of the country.Using physico-chemical methods to evaluate the environmental quality of the bay shows ...The Xuan Dai Bay,located in Phu Yen Province,Vietnam,is one of the most traditional and important aquaculture areas of the country.Using physico-chemical methods to evaluate the environmental quality of the bay shows that the area is contaminated with nutrients.However,it is necessary to clarify the level of pollution and the impact of polluting factors on biological communities and ecological status in the area.Two marine biotic indices AZTI’s marine biotic index(AMBI)and multivariate-AMBI(M-AMBI)were used to shed light on these issues.This research reveals the outcomes of applying these indicators in evaluating the ecological status in the area.The results show that the environment of the Xuan Dai Bay is being polluted.The most severe pollution level is at stations close to denser farms sites;while the lower pollution is found at stations near the mouth of the bay.The benthic community was imbalanced at all sampling stations,ranging from mild to moderate levels;while the ecological status is moderate,except good-high quality status close to the mouth.展开更多
结合一个分布式电力监控系统基于组件并遵循IEC61970标准的设计思想,提出了一种实现(Data Acquisition from Industrial System s)DAIS数据访问服务的方法。重点研究了DAIS规范的数据访问部分,设计和实现了DAIS数据访问信息模型,完成了...结合一个分布式电力监控系统基于组件并遵循IEC61970标准的设计思想,提出了一种实现(Data Acquisition from Industrial System s)DAIS数据访问服务的方法。重点研究了DAIS规范的数据访问部分,设计和实现了DAIS数据访问信息模型,完成了CIM模型数据向DAIS数据访问信息模型之间的映射。在此模型的基础上使用Visibroker4.5[5]和c++builder6.0实现了DAIS数据访问服务并解决了在实现过程中遇到的问题。展开更多
基金A project at the Joint Vietnam-Russia Tropical Science and Technology Research Center under contract No.1113/QD-TTNDVN.
文摘The Xuan Dai Bay,located in Phu Yen Province,Vietnam,is one of the most traditional and important aquaculture areas of the country.Using physico-chemical methods to evaluate the environmental quality of the bay shows that the area is contaminated with nutrients.However,it is necessary to clarify the level of pollution and the impact of polluting factors on biological communities and ecological status in the area.Two marine biotic indices AZTI’s marine biotic index(AMBI)and multivariate-AMBI(M-AMBI)were used to shed light on these issues.This research reveals the outcomes of applying these indicators in evaluating the ecological status in the area.The results show that the environment of the Xuan Dai Bay is being polluted.The most severe pollution level is at stations close to denser farms sites;while the lower pollution is found at stations near the mouth of the bay.The benthic community was imbalanced at all sampling stations,ranging from mild to moderate levels;while the ecological status is moderate,except good-high quality status close to the mouth.
文摘结合一个分布式电力监控系统基于组件并遵循IEC61970标准的设计思想,提出了一种实现(Data Acquisition from Industrial System s)DAIS数据访问服务的方法。重点研究了DAIS规范的数据访问部分,设计和实现了DAIS数据访问信息模型,完成了CIM模型数据向DAIS数据访问信息模型之间的映射。在此模型的基础上使用Visibroker4.5[5]和c++builder6.0实现了DAIS数据访问服务并解决了在实现过程中遇到的问题。
