网络游戏在国内蓬勃兴起,推动网络游戏内置广告发展的同时也带来了挑战。本文从网络游戏内置广告的概念着手,从运作主体、表现形式、传播沟通以及效果评估四个方面分析国内网
提到“核级锆材”,很多人可能听都没听说过这个名词,它是核电站中作为反应堆核燃料的“包装”金属材料,简单而言,就是盛放核燃料的.核级锆材是核电站的关键耗材,也是国家重要
The amyotrophic lateral sclerosis (ALS) is a progressive and fatal neurodegenerative disorder primarily involving motoneurons in the cerebral cortex, brainstem,
本文主要对家居生活的直流配电系统进行可行性研究。本研究是基于对一些数据的统计。作为家庭负载,我们假设每个家庭都有一个空调,一台冰箱,一台洗衣机、照明和一个电视。本文综述了可再生能源下几种直流配电系统的可行性。配电系统是根据几种不同的分布类型进行分类的,例如高压系统,低压系统,高低压混合系统,交流和高压混合系统,交流和低压混合系统。能源效率和成本竞争力是我们所要考虑的因素。
Aging often results in reduced visual acuity from changes in both the eye and neural circuits [1-4]. In normally aging subjects, primary visual cortex has been
Background: Physical activity for persons with Parkinson Disease (PD) is recommended yet little is known about the physical activity levels in this patient popu
The daily evaluation of the life style is funda- mental for the “exercise as prescription” to re- duce the cardiovascular risks factors. The reg- istration by
The sustainability of the healthcare system has been in question for several years. With rising healthcare costs, limited resources and an aging population, soc
This study aimed to examine the influence of exercise habits and physical fitness level on subjective fatigue symptoms (SFS) in adolescent students. Four hundre
Introduction: Job stress and job satisfaction play a key role in the work environment of an organization. These influence the behaviour of a doctor towards his