Madam Curie insisted that there was something in nature that gave off radiation.
居里夫人坚信自然界存在着能发出射线的物质。
All bodies, no matter what their temperature, give off radiation in the form of electromagnetic waves.
一切物体,不论其温度高低,均要放出电磁波形式的辐射。
So radioactive elements can be absorbed into living tissues, bones or the blood, where they continue to give off radiation.
所以放射性元素能够被我们的活细胞组织、骨骼和血液吸收,而进入人体后其辐射并未停止。
Early Sunday, tests showed that one building at the plant was giving off radiation levels 10 million times more than normal.
星期天早上,测试表明,核电站一处建筑释放出的辐射水平超出正常1000万倍。
Nuclear medical technology majors learn to use radiopharmaceuticals (drugs that give off radiation) to diagnose and treat illness.
核医学技术专业学习利用放射性药品来诊断和质量疾病。
Even though computer screens don't give off radiation, the strain from staring over long periods of time can cause harm to your vision.
尽管电脑屏幕没有辐射,长时间地盯着它看也会造成紧张,从而有损视力。
Even though computer screens don't give off radiation, the strain from staring over long periods of time can cause harm to your vision, though many effects are temporary.
固然电脑屏幕不会发出辐射,但是长时间注视的紧张度会伤害视力。
Cosmic rays of various kinds come through the air from outer space, but enormous quantities of radiation from the sun are screened off.
来自外太空的各种宇宙射线通过空气进入大气层,但来自太阳的大量辐射却被屏蔽了。
And on top of that, when that visible radiation bounces off those molecules, it scatters in all directions.
除此以外,当可见光波从这些分子上反射出去时,它会向四面八方扩散。
An unstable atom gives off its excess energy until it becomes stable. The energy emitted is radiation.
不稳定原子在达到稳定状态前,需要释放出自身多余的能量,这一能量即辐射。
The nonionizing radiation given off by cellphones is too weak to break chemical bonds or damage DNA.
手机发出的非电离辐射很弱,不足以断开化学键或破坏DNA。
The human body treats it like potassium, an essential element, and it can penetrate soft tissue and muscle to give off whole-body radiation, he said.
人体将他当成钾(一个重要元素),它可以穿透软组织和肌肉使整个身体受到辐射。
Spitzer's IR instruments can capture the heat radiation put off by dust particles in the ring, which starts some 3.7 million miles from Saturn and extends outward another 7.4 million miles.
斯皮策望远镜上的红外线设备可以俘获环尘埃发出的热辐射,这个巨大的环内侧距离土星600万公里,向外一直扩展到1800万公里处。
They can be any protected space, provided that the walls and roof are thick and dense enough to absorb the radiation given off by fallout particles.
只要墙壁和屋顶足够厚实,能够吸收尘降物颗粒发散出来的辐射,它们可以是任何可以给你提供保护的空间。
When they roughened the material so it wasn't smooth, less than 1 percent of the radiation bounced off.
当他们将材料变得粗糙使得其不再光滑时,仅有少于1%的辐射被反射回来。
The amount of real estate that is off-limits depends heavily on how life responds to strong doses of radiation.
这座大房产中究竟有多少地方是“严禁入内”的还取决于生命对于大剂量辐射的应对能力。
The M3, an imaging spectrometer, was designed to search for water by detecting the electromagnetic radiation given off by different minerals on and just below the surface of the Moon.
月球矿物制图仪(M3),即成像光谱仪,其设计目的是通过探测月球表面及表层以下各种矿物质释放出的电磁辐射寻找水源。
Isotopes of carbon in tree rings and beryllium in ice cores show a drop-off in solar radiation during much of the period.
树木年轮的碳同位素和冰核中钚同位素的检测都显示出在上述阶段的大多数时间内太阳辐射能量出现下降。
Active galaxies give off bright radiation from their cores, where gas heats up as it is compressed into a swirling accretion disk encircling the black hole.
活动星系从它们的核部发出明亮的光芒,在那里,气体被加热并压缩成一个漩涡状的圆盘,漩涡的中心便是黑洞。
These devices first were made available in 1999 to offer high-performance commercial off-the-shelf (COTS) products to the aerospace marketplace with quantified radiation performance.
1999年,第一批生产的这类器件向航天市场提供了具有一定抗辐射性能的高性能商用现货产品。
However, the sun also gives off a whole lot of infrared radiation. What would it be like if our eyes evolved to see infrared light?
然而,太阳的不可见光辐射也不在少数,要是我们眼睛能够进化成可见其他光线会是什么景象?
The particles the fuel gives off, which travel faster than the speed of light in water, can as a result produce a particular type of light, harmless in itself, called Cerenkov radiation.
这些乏燃料释放出的粒子,它们的速度要快于光速在水中的速度,因此会产生一种名为切伦科夫(契伦科夫)射线的本身无害光线。
And Wilson and Penzias discovered the cosmic microwave background radiation, physical evidence for the Big Bang, while fiddling with an antenna designed to catch radio waves bouncing off satellites.
威尔逊和彭齐亚斯捕捉人造卫星上反弹回来的无线电波的天线时不经意地发现了宇宙微波背景辐射,而这正是宇宙大爆炸的物理性证据。
Don't count on your clothes to keep the sun's radiation off your body.
不要期待你的衣服能够让你的皮肤逃脱太阳光的辐射。
When the width of the gap is smaller than the wavelength of the infrared radiation coming off the alloy, the photons are not internally reflected, but continue to travel into the cell.
当间隙宽度比化合物释放的远红外波长更短时,光子不会被反射,而直接进入芯片中。
L Glowing nebulae are named because they give off a dim, red light, as the hydrogen gas in them is heated by radiation from nearby stars.
l有一种星云叫亮星云,它们发出暗淡的红光,这种红光是因为构成星云的氢气受到附近星体的射线激发而发出的光线。
L Glowing nebulae are named because they give off a dim, red light, as the hydrogen gas in them is heated by radiation from nearby stars.
l有一种星云叫亮星云,它们发出暗淡的红光,这种红光是因为构成星云的氢气受到附近星体的射线激发而发出的光线。
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