随着电力企业信息化的不断发展,信息网络的可靠性显得越来越重要,它承载了地区信息网络的全部生产、管理业务。目前,唐山信息网络通信系统与上级信息系统互联为单链路、单设备上联,链路中任何环节发生故障,就会影响各类运营业务,存在较大的安全隐患。本文首先对双防火墙组网技术简要介绍,提出并分析了双链路上联方案和设计原则,重点对双上联关键技术探讨与应用,最后对双链路设计方案实施效果进行有针对性的实验验证。
We have previously demonstrated that antagonism of glutamate NMDA receptors or activation of endocannabinoid receptors could reduce experimentally induced neuro
硫酰氟是国内外新推的一种安全、高效的害虫熏蒸剂。笔者采用薄膜密闭法,研究了硫酰氟对烟垛4种虫态烟草粉螟的熏杀效果。研究结果表明,硫酰氟对4种虫态烟草粉螟均具有很高的
Introduction: Worldwide specific diseases are jeopardizing people’s health in the world as well as in Iran. Chronic renal failure as a developed and irreversib
To test if stabilizing Ampicillin trihydrate (AT) with Aluminium-Magnesium Silicate (AMS) can enhance its antibacterial activities, different concentrations of
Developmental plagiocephaly has increased since the back to sleep campaign and is nowadays a rather common condition in infants. Prevention is the best way to d
Objectives: Recent changes in life style have increased obesity, smoking and sedentary habits in the entire population. Obesity and overweight frequency have tr
Noise is known that the physical risk factors defined as any unwanted sound. It can induce the health problems such as hearing loss or annoyance. The objective
本文从实践出发,立足于我国当前税收法律法规制度,在保证企业合法权益的基础上就如何才能更好的做好企业税收筹划,实现企业利益最大化提出自己的见解和分析。
Based on the
现在移动办公技术发展的越来越快,移动办公在将更大的便利提供给了科技系统的工作人员的同时,对通信当中的信息安全要求也变得越来越高。将WPKI(无线公钥技术)引入到科技网移动办公系统当中,并且有效的融合日志审计系统、终端准入系统以及用户认证系统等科技网现有的安全体系,可以使电子数据在各业务系统中的共享和传输的安全性得到保证。