Ozone is the earth's barrier against ultra-violet radiation.
臭氧是地球防止紫外线辐射的屏障。
The $617 million satellite will study energy radiation from the most violent stars in the universe.
这个价值6.17亿美元的人造卫星将研究宇宙中活动最剧烈的恒星所发出的辐射能。
What we are seeing from earth is actually electromagnetic radiation that's coming from stars.
我们在地球上看到的其实是来自恒星的电磁辐射。
For the Earth to maintain a constant average temperature, such emissions from the planet must balance incoming solar radiation.
为了使地球保持恒定的平均温度,来自地球的这种辐射必须平衡入射的太阳辐射。
UHECRs tend to collide with photons of the cosmic microwave background—pervasive radiation that is a relic of the early universe.
UHECRs往往会与宇宙微波背景中的光子相撞,这种辐射是早期宇宙的遗迹,无处不在。
It is long known that Earth's orbit around the Sun changes periodically, cyclically affecting the way solar radiation strikes the Earth.
人们早就知道,地球围绕太阳的轨道会周期性地变化,周期性地影响太阳辐射照射地球的方式。
Early life-forms on Earth were confined to the oceans because water was the only available protection they had against ultraviolet radiation.
地球上早期的生命形式被限制在海洋里,因为水是帮助它们抵御紫外线辐射的唯一有效保护。
A leatherback may be able to pick up some body heat by basking at the surface; its dark, almost black body color may help it to absorb solar radiation.
棱皮龟可以通过在水面上晒太阳来为身体获取热量;深色近乎黑色的身体颜色可以帮助它吸收太阳辐射。
He has seen evidence of these warm dusty rings in infrared radiation picked up by the Spitzer space telescope.
他已经看到了斯皮策太空望远镜在红外波段捕捉到的这类温热尘环的证据。
The pigment absorbs the radiation and protects cells from damage.
黑色素可以吸收辐射,保护你的细胞不受损伤。
WHO recommends the following measures to protect against exposure to UV radiation.
世卫组织建议采取以下措施,避免因暴露于紫外线辐射而受到伤害。
The health effects caused by radiation exposure depend on its level, type and duration.
辐射对健康的影响与其剂量、类型与持续时间有关。
Instead the nebula glows with light from hydrogen gas being charged by the stars' radiation.
星云的光辉则是来自在恒星强烈辐射作用下带电的氢气。
As chemotherapy and radiation treatments improve, children with cancer are living longer.
随着化疗和放疗技术的进步,如今,患有癌症的儿童已经可以活得更久。
As Stephen Hawking has demonstrated, black holes eventually evaporate in a burst of radiation.
正如斯蒂芬·霍金所论证的那样,最终黑洞在辐射大爆发中蒸发。
This is where the planet's ozone layer sits, filtering out ultraviolet radiation from the sun.
地球臭氧层位于平流层,过滤来自太阳的紫外线辐射。
Violent stellar winds and powerful radiation from massive stars sculpt the surrounding nebula.
猛烈的恒星风和强有力的大质量恒星辐射塑造着星云的环境。
Ice reflects solar radiation back into space and therefore helps to prevent the Earth heating up.
冰把太阳辐射反射回太空,因此有助于防止地球升温。
So physicists got to wondering whether radiation pressure could be harnessed to help an item soar.
因此,物理学家开始忖度能否利用辐射压力使物体高飞。
Most people know that UV radiation can damage skin, but they don't realize it's also bad for eyes.
大多数人都知道紫外线辐射会伤害皮肤,但他们不知道紫外线辐射同时也会损害视力。
Spectacular explosions on the Sun's surface produce solar storms of intense magnetism and radiation.
太阳表面壮观的爆炸产生具有强烈磁场与辐射的太阳风暴。
But it is the oldest radiation known and may hold many secrets about the universe's earliest moments.
但是这是已知的最古老的电磁辐射,它其中可能隐藏了宇宙最早时期的一些秘密。
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。
This global assessment of the health risks of UV radiation provides a good basis for public health action.
这一对紫外线辐射的健康风险的全球评估为公共卫生行动提供了良好的基础。
This radiation pressure is thought to shape the tails of comets and is useful for pushing solar sails in space.
这种辐射压力被认为是彗尾形成的原因。 另外,它也是太阳帆在太空中前进的动力来源。
The earthquake and tsunami it triggered crippled the plant's cooling systems, raising concerns over radiation leaks.
由于地震和随之发生的海啸,核电站的冷却系统遭到了严重的破坏,从而引起了人们对核辐射物质泄露的高度关注。
In 1937, the first radio telescope was built, enabling astronomers to detect otherwise invisible radiation from stars.
1937年,第一架射电望远镜落成,让天文学家能够检测到从恒星发射的不可见辐射。
Fortunately, like most thyroid cancer patients, she needed only a single dose of radiation to get rid of the cancer.
幸运的是,和大多数罹患甲状腺癌的患者一样,她只需要单剂放疗即可摆脱癌症的困扰。
Fortunately, like most thyroid cancer patients, she needed only a single dose of radiation to get rid of the cancer.
幸运的是,和大多数罹患甲状腺癌的患者一样,她只需要单剂放疗即可摆脱癌症的困扰。
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