针对未知环境下移动传感器网络的部署问题,提出了一种基于虚拟力的精确部署算法(virtual force based precision self-deployment algorithm,VFPSA).引入"引力线"的概念,并在此基础上构建节点与引力线之间的斥力,通过它们实现...针对未知环境下移动传感器网络的部署问题,提出了一种基于虚拟力的精确部署算法(virtual force based precision self-deployment algorithm,VFPSA).引入"引力线"的概念,并在此基础上构建节点与引力线之间的斥力,通过它们实现了Sink节点到目标Target路径的自动快速生成.模拟实验表明,与同类方法相比,该算法具有的平均移动距离和最大移动距离均更短,收敛时间更快.展开更多
Using n butyl nitrite as diazotiation reagent,4,4′-Dinitrodiazoaminobenzene(DNAAB) was synthesized.The colour reaction of DNAAB with Cd(Ⅱ) was studied.At pH 11.7,in the presence of Triton X-100,DNAAB with Cd(Ⅱ) for...Using n butyl nitrite as diazotiation reagent,4,4′-Dinitrodiazoaminobenzene(DNAAB) was synthesized.The colour reaction of DNAAB with Cd(Ⅱ) was studied.At pH 11.7,in the presence of Triton X-100,DNAAB with Cd(Ⅱ) forms a yellow complex(1∶3).The molar absorptivity is 2.52×10 5L·mol -1 ·cm -1 adhering Beer’s law in the rang of 0-12μg/25mL.This method was used to determine trace Cd(Ⅱ) in human hair with satisfactory results.展开更多
文摘针对未知环境下移动传感器网络的部署问题,提出了一种基于虚拟力的精确部署算法(virtual force based precision self-deployment algorithm,VFPSA).引入"引力线"的概念,并在此基础上构建节点与引力线之间的斥力,通过它们实现了Sink节点到目标Target路径的自动快速生成.模拟实验表明,与同类方法相比,该算法具有的平均移动距离和最大移动距离均更短,收敛时间更快.
文摘Using n butyl nitrite as diazotiation reagent,4,4′-Dinitrodiazoaminobenzene(DNAAB) was synthesized.The colour reaction of DNAAB with Cd(Ⅱ) was studied.At pH 11.7,in the presence of Triton X-100,DNAAB with Cd(Ⅱ) forms a yellow complex(1∶3).The molar absorptivity is 2.52×10 5L·mol -1 ·cm -1 adhering Beer’s law in the rang of 0-12μg/25mL.This method was used to determine trace Cd(Ⅱ) in human hair with satisfactory results.
