Accumulation and Cycle of Heavy Metals in Sonneratia apetala and S. caseolaris Mangrove Community at Futian of Shenzhen, China

Wetland ecosystem in the Shenzhen Bay is one of the internationally important ecosystems in South China Region. Its core, with the Mai Po Mangrove Nature Reserve in Hong Kong on the one side and the Futian Mangrove Nature Reserve in Shenzhen on the other side, provides habitats for many rare and endangered wild birds, especially for migratory birds[1, 2]. With the economic development in Hong Kong and Shenzhen, a large mount of silt and untreated waste water are poured into the Shenzhe…     

DNS重绑定对路由器的影响及防护策略研究

路由器是网络中的关键节点,也是黑客攻击的重要目标之一。利用DNS重绑定的手段入侵路由器,具有很强的隐蔽性和危害性。在理论研究的基础上,模拟真实网络环境,探讨DNS重绑定对路由器的影响,开发Router Protector工具,该工具能够自动化地获取路由器的ip地址,并为路由器提供及时的攻击预警和有效的安全防护,具有很强的实践意义。     

垦利东兴地区深层卤水普查井钻井技术

介绍了垦利东兴地区深层卤水普查井的基本概况,从井身结构、钻具组合、钻探设备、钻头和钻进参数、钻井液、完井、洗井等方面对钻井设计进行了阐述,着重总结了钻井液的性能参数、处理剂配比及维护处理方法等方面的经验,分析了施工中出现的主要问题,介绍了处理方法。