If life exists, scientists expect the planet's rays to be embedded with tell-tale chemical fingerprints of atmospheric molecules, such as oxygen and methane.
如果生命存在，科学家们希望这个行星上的光线能够嵌入大气层分子的化学指纹位移指示器，像氧气、甲烷一类的气体。
The ultra violet (UV) rays that cause suntans also cause a kind of chemical, called endorphins, to be released into the blood.
造成皮肤晒黑的紫外线，也会造成一种称为脑内啡的化学物质被释放进血液中。
The other device can detect the distinctive gamma rays produced by collisions of neutrons with the atoms of different chemical elements.
另一台设备，探测中子与不同化学分子碰撞后产生的不同伽马射线。
Radiofrequency waves are electromagnetic fields, and unlike ionizing radiation such as X-rays or gamma rays, cannot break chemical bonds nor cause ionization in the human body.
射频波就是电磁场，但是与X射线或伽玛射线辐射等电离辐射不同的是，射频波不会打破化学键，也不会给人体造成电离辐射伤害。
The X-rays acted as probes, detecting the individual chemical building blocks that make up the fossil.
X射线就像探针一样，可以检测到组成化石的单一化学成分。
The irony is that the same UV rays that trigger vitamin D production in your body also produce chemical changes in the skin's DNA.
具有讽刺意味的是，紫外线在你身体里产生维他命D时候同样也会改变你皮肤的DNA结构。
Or look for a chemical sunscreen with avobenzone (also known as Parsol 1789) or the recently approved Mexoryl, which absorb UVA rays.
也可选购含有阿伏苯宗（又称Parsol 1789）或者麦素宁（最近被证明能够阻挡紫外线A）的化学防晒霜。
Chilled chemical solution circulates through a maze of tubing all over the suit, and the limbs' mirrored coating reflects some of the twin SUNS 'rays for additional cooling effect.
化学冷冻液在遍布整套服装的管道系统中循环。四肢部位的反射膜能反射一部分双子阳光，起到额外的冷却效果。
Each chemical element emits24 gamma rays of a different energy, so this would reveal the identities of the elements in the paint.
不同的化学元素会释放出不同能量级的伽马射线，这些射线昭示了壁画上的元素种类。
Our non-chemical sunscreen, sunscreen stick formula with Nano UV filter for harmful ultraviolet rays scattering and reflection, provide highly effective broad-spectrum UVA-UVB sun protection.
我们的无化学防晒成分的防晒棒采用纳米紫外线过滤配方，用于散射和反射有害紫外射线，提供高效的UVA-UVB广谱防晒保护。
The normal disinfection and sterilization was described. There are heat sterilization, sterilization by ultraviolet rays irradiation and chemical agent disinfection.
介绍了常用消毒灭菌方法，有加热消毒法，紫外线辐射法和化学药剂消毒法。
Radiofrequency waves are electromagnetic fields, and unlike ionizing radiation such as X-rays or gamma rays, can neither break chemical bonds nor cause ionization in the human body.
射频波电磁场，电离辐射，如X射线或伽玛射线不同，既不能破坏化学键，也不在人体造成电离。
Radiofrequency waves are electromagnetic fields, and unlike ionizing radiation such as X-rays or gamma rays, can neither break chemical bonds nor cause ionization in the human body.
射频波电磁场，电离辐射，如X射线或伽玛射线不同，既不能破坏化学键，也不在人体造成电离。
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