Some of this energy congealed into particles, which assembled into light atoms like hydrogen and helium.
有些能量凝结成了粒子，这些粒子组合形成了轻原子如氢和氦。
This mostly hydrogen gas, however, absorbs some very specific colors that can be detected in the light of the nearest stars.
不过这些大部分是氢气的气体会吸收某种特别的色光，在最近的恒星发出的光线下可以被侦测到。
In general, the heavier atoms in the atmosphere sink and the light ones remain at the surface, which is why some white dwarfs, for example, have mostly pure hydrogen or helium atmospheres.
总体来说，较重的原子在大气圈中沉积，而较轻的原子则存在于大气圈表面，这也是一些白矮星具有较纯净的氢和氦大气圈的原因。
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。
Plants catch light and turn it into an electric current, then use that energy to excite catalysts that split water into hydrogen and oxygen during what is called photosynthesis' light cycle.
植物捕获光线，转换成电流，然后利用这一这能量激活催化剂，然后把水分解成氢和氧，这一过程被称为光合作用的亮循环。
By shining laser light onto hydrogen or antihydrogen and observing which wavelengths are absorbed, the energy levels of the two can be compared in detail.
用激光照射氢原子或反氢原子，观察何种波长的光线被吸收了，可以通过这种办法来详细地比较这两种原子的能级。
When light falls on the nanotubes, they release energetic charge carriers, which split the water molecules inside them into two reactive components - hydroxide radicals and hydrogen ions.
当阳光照射在纳米管上时，纳米管释放出高能量的载荷子，使得水分子分解为两种活性成分-氢氧自由基和氢离子。
But he soon realized that the stray atoms of hydrogen gas would actually go right through the ship traveling close to light speed, and irradiate both crew and electronics in the process.
随后他才意识到，如果接近光速飞行，游荡的氢原子将直接穿过飞船，并使全体船员和飞船都遭受辐射。
Transparent solar cells generate electricity from ambient light. This electricity is used to carry out electrolysis of water and generate hydrogen to fuel the car.
透明的太阳能电池通过背景光发电，然后进行水电解产生氢来驱动汽车。
It is the light that was finally allowed to move out across space once a post-Big-Bang Universe had cooled sufficiently to permit the formation of hydrogen atoms.
这道光线最终穿越大爆炸后的宇宙，充分冷却形成了氢原子。
This Hubble Space Telescope image was captured in August 2009 and December 2009 with the Wide Field Camera 3 in both visible and infrared light, which trace the glow of sulphur, hydrogen, and iron.
这张由哈勃太空望远镜成像的图片由用以追踪硫、氢、铁的第三代广域照相机以可视光与红外光摄于2009年8月及2009年12月。
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。
Ionized by energetic starlight, a hydrogen atom emits the characteristic red H-alpha light as its single electron is recaptured and transitions to lower energy states.
氢原子被高能的恒星光离子化之后，在它的单个电子重新被捕获并跃迁到低能级上时会放出典型的红色h - alpha光。
A dab of hydrogen peroxide and a flash of ultraviolet light serve as the final sterilizing gatekeepers before the water reenters potable supplies.
在这些水重新进入安全饮用的供水系统之前，作为最后的消毒系统是一小点过氧化氢和闪现紫外光线。
The mosaic includes image data taken through a narrow filter that transmits only the red light of hydrogen atoms.
这张拼贴图中所含的图片数据是通过窄带滤波器得到的，它只会传播氢原子发出的红光。
For the crew of a spacecraft ramping up to light speed, interstellar space would appear highly compressed, thereby increasing the number of hydrogen atoms hitting the craft.
对宇宙飞船的船员来说，速度升高到光速，宇宙空间将被高度压缩，因此增加了撞击飞船的氢原子数量。
Swirls of green in Hubble's ultraviolet and visible-light view reveal hydrogen and sulfur gas that have been heated and ionized by intense ultraviolet radiation from the Trapezium's stars.
紫外线成像显示出的绿色漩涡以及可见光形成的图像揭示了氢和硫磺气体的存在，它们受发自四边形的强紫外线的辐射而变热并形成等离子体。
Ionized molecular hydrogen can be seen evaporating from the tips of these star-forming columns of gas and dust, under pressure of ultraviolet light from the nebula's central blue giant stars.
在来自星云中心蓝巨星紫外线辐射的压力下，这些由气体和尘埃组成的恒星形成区域尖端的电离氢分子将不复存在。
Because hydrogen atoms trap light, the young universe entered its "dark ages."
由于氢原子阻拦光线，年轻的宇宙进入了“黑暗时期”。
At 5, 500 light years distant, Cat's Paw is an emission nebula with a red color that originates from an abundance of ionized hydrogen atoms.
5500光年远处，猫爪星云是一个发射星云，红色来源于其丰富的电离状态的氢原子。
This energy is contained in a very light gas called hydrogen.
它含在一种叫氢气的很轻的气体中。
Antihydrogen and hydrogen atoms should have the same properties, emitting the exact same frequencies of light, for example.
反氢和氢原子应该有相同的特性，例如发出光的频率一模一样。
Hydrogen production from starch by mixed cultures under light and dark conditions was studied in batch experiments.
进行了混合菌种利用淀粉进行光反应和暗反应的产氢对比试验。
氢是很轻的气体。
Now, the team has found the characteristic signature of light emitted by hydrogen peroxide, coming from part of the Rho Ophiuchi clouds.
现在，这一小组已经发现了来自于心宿增四星云的过氧化氢发射出的特有信号。
Now, the team has found the characteristic signature of light emitted by hydrogen peroxide, coming from part of the Rho Ophiuchi clouds.
现在，这一小组已经发现了来自于心宿增四星云的过氧化氢发射出的特有信号。
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