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精心敢为 | 老司机驾驶威旺S50走进呼伦贝尔炫彩....

2019-09-23 11:05 来源:维基百科

  精心敢为 | 老司机驾驶威旺S50走进呼伦贝尔炫彩....

  余氏曰:王安石为了推行新法,在神宗的支持下,取得越来越大的相权。”研究人员写道:“与解释一致的是,长头发的女性更倾向于选择垂耳的狗,而短发型的女性更喜欢那些竖起耳朵的狗,同时这也符合民间信仰。

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多数蹦极事故由人为造成世界上第一个死于蹦极运动的人是新西兰的19岁男孩托马斯·韦恩·海米,时间是1990年2月10日。

  以德国总督办公楼旧址为核心的德式建筑群,会让你有种去到德国的错觉。

  新生儿出生后,豪斯医生让孩子的父亲找称给孩子称重,然而粗心的父亲忘记了家里的称搁在哪里了,找了好一阵也没找到,这时发生了令人奇怪的一幕:处于麻醉状态的产妇开口了,准确地说出了称的位置。但东莞警方称,冀中星的受伤是缘于交通事故。

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  ▲facebook创始人马克·扎克伯格可以说,正是算法的这种复杂性、不透明性导致了一个“黑箱社会”的形成。此次facebook的数据丑闻暴露出了大数据分析完全有可能被作为恶意武器,成为操控决策的工具。

  事故原因是支援工作者把蹦极绳调得太松,超过了允许的限度。

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  精心敢为 | 老司机驾驶威旺S50走进呼伦贝尔炫彩....

 
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精心敢为 | 老司机驾驶威旺S50走进呼伦贝尔炫彩....

1
2019-09-23 16:50chinadaily.com.cn Editor: Feng Shuang ECNS App Download
Liu Shanghe at work. (File photo/81.cn) 毕竟,福布斯爆料称,FBI常用死人的指纹解锁iPhone。

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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