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广州越秀区开展第二届嘉年华暨年度义工表彰活动

2019-07-16 04:17 来源:蜀南在线

  广州越秀区开展第二届嘉年华暨年度义工表彰活动

  千亿国际网页版-千亿老虎机    【环球网综合报道】据英国《每日邮报》3月22日报道,近日,一段拍摄于越南河内附近一片农田的视频在社交媒体上引起了众怒。  面对日益严峻的无人机黑飞、扰航形势,国家不断收紧无人机监管措施,加强对无人机非法飞行的管控。

让企业自己选择,而不应该是政府规定,但这种工具和机制要符合相关法律和国际相关准则制度。  中国证监会副主席姜洋在全国两会期间表示,下一步证监会将改革发行上市制度,深化主板和创业板改革,加大对新技术、新产业、新业态、新模式的支持力度。

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    在监狱里面,一瓶200g的老干妈价值20美元,是准奢侈品(恒定标准是价格除以克数)。

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    田玲在接受记者采访时谈到,当地计划安装25个摄像头以加强对犯罪行为的监控和威慑,目前已安装12个,其中5个是几年前警察局在敏感街区地铁口安装的,7个是去年至今安装的,今年计划将其余13个摄像头安装到位。

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  广州越秀区开展第二届嘉年华暨年度义工表彰活动

 
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广州越秀区开展第二届嘉年华暨年度义工表彰活动

1
2019-07-16 16:50chinadaily.com.cn Editor: Feng Shuang ECNS App Download
Liu Shanghe at work. (File photo/81.cn) 亚博体育主页_亚博游戏官网 我们面临相当艰难的事业,一定要让信仰坚定政治可靠的干部们轻松上阵,不惧试错,不怕栽小跟头。

Liu Shanghe at work. (File photo/81.cn)

An academic at the China Academy of Engineering and founder of electrostatic safety research in China, is renowned as the first person to determine the highest static potential of the human body. Liu Shanghe even went so far as to prove his conclusion with an experiment on his own body.

The 80-year-old scientist's fight with the invisible "ghost" static began in 1983 when he taught fundamental physics at Ordnance Engineering College in North China's Hebei province. Shocked by a series of tragedies caused by static, Liu became keenly aware that weapons and ammunition safety can only be ensured by solving problems caused by static.

Already in his 40s, Liu shifted his research focus from semi-conductors to static and ammunition.

Speaking about his decision, Liu said that "to explore this unknown area, I was willing to learn from the beginning like an elementary school student."

Through unremitting efforts, he published a scientific paper on how to alter polymeric material to make it static-free in a few years. That was a finding proposed for the first time in China and also gained international acknowledgment.

Based on a large quantity of experimental data, he and his colleagues invented five instruments including an electrostatic potential dynamic testing instrument.

Through both theoretical calculation and precise experiments with the instrument, Liu's conclusion on the highest level that human body's static potential can reach is higher than those determined by experts in the United States and United Kingdom.

In 1992, Liu boldly decided to experiment on his own body and finally reached the number 71,000 volt.

He would never forget his days spent working in the lab. Long-time exposure to hazardous gas and radiation caused his white blood cells to plummet to 2000 from the normal level of 5000. And over-work made this 1.8-meter-tall man shrink to as thin as 60 kilograms.

In his wife's eyes, he has little concept of free time. Even at home, most of his time was spent in his study continuing his research.

Liu has recieved many awards for his achievements, including the highest ones of science and technology in the country.

 

  

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