<正> 两年前,三位著名环境科学家提出一个惊人的观点:厄尔尼诺(El Nino)——沿着秘鲁海岸南向的暖流,是促使南美洲1991年致死性霍乱暴发的原凶。他们认为太平洋增暖的环流刺
The research takes three fundamental Internet Academic Journals (IAJ), which are China National Knowledge Infrastructure (CNKI), Chongqing VIP Information Co.,
The advent and extensive use of computer and increasing development of different technologies it is important to increase the awareness of issues related to the
Radio Frequency Identification (RFID) is wireless technology that has been designed to automatically identify tagged objects using a reader. Several application
This paper presents several informative and educational tools aimed to explain some mechanisms of Miocardial Infarction and Stroke, their risk factors and their
Recent developments in technology have helped to reduce the physical size and weight of devices and opened up new opportunities for their application in deliver
新兵入伍后需要经历为期8周的基础军事训练(basic military training,BMT),在不同的训练时期机体处于不断地调整适应阶段。研究发现,基础军事训练导致铁缺乏及贫血发生,但铁
1.O nce there was a M iser,who wasworried day and night that his propertym ight be lost,so he thought of an ideathathe sold allthathe had and changed itinto a b