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最新獨角獸企業榜單發布 北京“獨角獸”獨佔鰲頭

2019-09-23 18:58 来源:长江网

  最新獨角獸企業榜單發布 北京“獨角獸”獨佔鰲頭

  书法卷,《书学之道:中国书学国美之路》,分为《含弘光大》《为天下先》两册。中国江西网讯(记者邱辉强)3月24日,全省脱贫攻坚督察工作动员培训会召开,省委副书记,省政协党组书记、主席姚增科出席并作动员讲话。

在这13起突发环境事件中,由交通事故次生的突发环境事件6起,占总数的46%。南海高中在2017年计划基础上增加招生20名,继续面向市属、定海两个录取区域招生,其中面向市属录取区域和面向定海录取区域计划招生各增加10名。

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九龙湖过江隧道西起抚州大街,东接东莲路,总里程约公里。

  又传来重磅消息,南昌县发布2018年房屋征收计划,将全力推进200万平方米的房屋征收工作!跨九龙湖过江通道建设的确立,地铁4号线昌南片区站点正式开工,赣江风光带南延工程······南昌昌南片区即将迎来大发展!南昌县启动大拆迁!近日,南昌县2018年房屋征收工作千人动员大会举行,计划在2018年全力推进200万平方米的房屋征收工作,推动城市发展从澄碧湖时代向雄溪河时代、大赣江时代迈进。

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  以机场为平台,可拓展工农林飞行作业、空中游览、短途运输、应急救援、飞行营地、航空展览、航空科普教育、航空制造等通用航空业务。以此推算,本次西安地球一小时活动节电节电万度,相当于减少排放二氧化硫千克和氮氧化物千克,减少烟气排放万立方米。

  

  最新獨角獸企業榜單發布 北京“獨角獸”獨佔鰲頭

 
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Text:AAAPrint
Sci-tech

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

1
2019-09-23 16:50chinadaily.com.cn Editor: Feng Shuang ECNS App Download
Liu Shanghe at work. (File photo/81.cn) 要以两不愁、三保障为基础,突出就业与产业重点,坚持现行政策标准,力促既脱贫又致富,实现可持续发展。

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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