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河北援疆投710万建博湖县河北双语幼儿园项目开工

2019-09-16 02:54 来源:西江网

  河北援疆投710万建博湖县河北双语幼儿园项目开工

  麦当劳表示,所有数位平台标志3月8日全都会颠倒,包括推特。中国球迷在足球赛期间喝高和发生酒精中毒可获得喝高险赔偿。

报道称,去年这家纯互联网保险公司在香港上市,筹集了15亿美元。据美国海军学会新闻网站报道,沃尔什说,有一个项目涉及改进现有的高机动火箭炮系统(HIMARS),以使它的射程增至目前的三倍。

  哈军中校勇斗持枪歹徒吉里什·卢特拉(GirishLuthra),现任印度海军西部司令部司令,中将军衔。任命统合幕僚监部原总务部长高岛重彦为海上自卫队潜水舰队司令并晋升为海将(中将)。

  莱特希泽表示,中国可能对美国出口的农产品,尤其是大豆施加报复性措施。托巴本称,如需扩大补给队伍的规模,仅需要添加更多的无人机。

美国声称,这笔军售旨在增强乌克兰军队的防御能力,并帮助乌克兰维护领土完整,暗指这些装备将用于乌克兰军队对抗乌东武装的作战。

  该型导弹弹体重公斤,长108厘米,弹体直径厘米。

  特朗普表示,中美贸易逆差已失控,他绝不能让这个情况再度发生,当天签署的命令,只是很多行动的第一个。报道称,此前,美国以成功完成北美自由贸易协定(NAFTA)谈判为条件,将加拿大、墨西哥两国列为暂时豁免对象。

  3月22日报道英国《金融时报》网站3月12日发表了题为《美国司法部支持为合格的学校员工提供枪支培训》的报道。

  在印度选择与美国亲近的同时,俄罗斯则快速改善了与巴基斯坦的关系,评论认为俄罗斯希望借助巴基斯坦重建在阿富汗的影响力,在印巴边境冲突后不久俄巴就举行了联合军演,印度专家表示听到这样消息的感受就像是老婆突然得知老公出轨了。日媒指出,中国的军事实力在过去20年里持续上升。

  他的女友30年前曾旅居香港,便拿给了他一瓶京都念慈庵川贝枇杷膏,一服之下见证奇迹,在15分钟内就开始见效!报道称,包括Alex在内,中国神药在纽约人中间一传十、十传百迅速蹿红。

  马德里动物园的“熊猫姐妹”3月22日,在西班牙马德里动物园,饲养员瑞贝卡(右)和艾斯特法妮雅站在大熊猫宣传画前。

  2月28日报道日本《产经新闻》2月27日发表题为《中国军力增强引发美国警惕》的报道称,美国特朗普政府在安保层面的与华对抗姿态,正变得日益鲜明,尤其是对中国的军事动向投以犀利目光。美国兰德公司高级研究员科特斯·库珀的发言代表了专家们的意见。

  

  河北援疆投710万建博湖县河北双语幼儿园项目开工

 
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Text:AAAPrint
Sci-tech

The academic that tested a 71,000 volt on himself for research

1
2019-09-16 16:50chinadaily.com.cn Editor: Feng Shuang ECNS App Download
Liu Shanghe at work. (File photo/81.cn) 这些跨职能团队去年11月才成立,但它们在过去5个月里完成了通常需要几年才能完成的工作。

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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