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- Adequate protection for the astronauts means repulsing the very numerous cosmic-ray protons with two billion electron volts (the standard unit of energy used in particle physics). 要提供太空人足够的保护,意谓著要推开密密麻麻、能量达20亿电子伏特(粒子物理学的能量标准单位)的宇宙射线质子。
- BeV = billion electron volts [美
- a cyclotron that accelerates protons up to several billion electron volts. 能够加速几十亿电伏特的回旋加速器。
- a cyclotron that accelerates protons up to several billion electron volts 能够加速几十亿电伏特的回旋加速器
- billion electron volt 十亿电子伏特
- Ionization energy (ie) 3.894 electron volts. 电离能3.;894电子伏特。
- Of or relating to elementary particles with energies exceeding hundreds of thousands of electron volts. 高能粒子的能量超过成千上万电子伏特的基本粒子的
- Eg: is a parameter known as the bandgap energy = 1.12 electron volts(eV) for SILICON. 电子跃迁一个能带所需的能量,不同的物质数据不一样,硅的电子跃迁能量是1.;12电子伏)
- Ionizing an atom of hydrogen takes an energy of 13.6 electron volts, an amount delivered by a photon of ultraviolet light. 游离氢原子需要13.;6电子伏特,相当于一个紫外光光子所能提供的能量。
- The European Organization for Nuclear Research said in a statement Monday the atom smasher sent the beams of particles at 1.18 trillion electron volts. 欧洲核子研究组织在周一的一份声明中说,原子对撞机发出的粒子束能量可达到1.;18兆电子伏特。
- Asia-Pacific region has a broad communications equipment market, Suntory billion electronics are facing rare development opportunities. 亚太地区有着通讯设备的广阔市场,得利亿电子面临难得发展机遇。
- Million electron volts. 兆电子伏特百万电子伏特
- In ICF ecperiment, the x ray produced by laser plamsa mainly distributes in sub-kilo electron volt region, whose overall energy, energy-spectrum characteristic, projecting time and its distribution in space are basic dataes in theory and experiment. 在ICF实验中,激光等离子体产生的x光主要分布在亚仟电子伏特区(0.;1-1
- Maga or million electron volts MeV兆电子伏特
- The solar system was formed 4.5 billion years ago. 太阳系是四十五亿年前形成的。
- U.S. investments here topped one billion dollars. 美国在这里的投资超过了十亿美元。
- A billion dollars is a vast amount of money. 十亿元是一笔巨款。
- Some computers can perform over a billion computation a second. 有些计算机一秒钟能完成超过十亿次运算。
- I shall not bev free untilbive o'clock. 我要到五点才有空。
- Depends if you watch Bev or Dish. 您要发布帖子的论坛是一个新闻组论坛。