为了使三联体结合 Mg2+，必须电离药效团生物等位体。
For the triad to bind the Mg2+, a pharmacophore bioisostere has to be ionized.
耐辐射奇球菌作为DNA损伤和修复的典范生物，是对电离辐射最有抵抗力的细菌。
Deinococcus radiodurans, as a model organism in DNA damage and repair, is the most resistant bacterium to ionizing radiation.
经常你们会被问到关于电离能。
So, oftentimes you'll just be asked about ionization energy.
对，好，我们再找最低的电离能。
物理致癌物质，例如紫外线和电离辐射；
physical carcinogens, such as ultraviolet and ionizing radiation;
因此，我们把电离能，最低的原子放在中间。
So, we keep the atoms with the lowest ionization energy in the center.
为了达到最大效率，表面活性剂必须高度电离。
For maximum effectiveness, the surfactant heads should be highly ionized.
最顶层的是超热日冕，由日冕环和电离气体流组成。
At the top is the super-hot corona, which is made of structures such as loops and streams of ionized gas.
我们的电离能将等于，入射能量，减去电子的动能。
Our ionization energy is going to be equal to the incident energy coming in, minus the kinetic energy of the electron.
他很聪明，他的有独创性的关于电离气的论文被赞扬。
He was brilliant, acclaimed for an ingenious thesis on ionized gases.
人们可能会因为核事故释放的小剂量电离辐射而致癌。
People can get cancer from low doses of ionizing radiation, the kind released in a nuclear accident.
当我们沿着列向下走的时候，会发现电离能是在降低的。
As we go down a column, what happens is that the ionization energy decreases.
电离辐射的暴露以戈瑞(Gy)“吸入的剂量”来衡量。
Ionizing radiation exposure is measured as "absorbed dose" in gray (Gy).
那么让我们将这些局限性记在心里，继续来讨论一下电离能。
So it's going to keep in mind the limitations, so let's start off with talking about ionization energy.
总之，当我们沿着列往下走的时候，我们会看到电离能在降低。
So, as we go down a column, we see ionization energy's going to decrease.
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 nonionizing radiation given off by cellphones is too weak to break chemical bonds or damage DNA.
较重的稀有气体具有较低的电离势，这也可以解释它们的化学性质。
The low ionization potentials of the heavier gases also account for their chemistry.
很明确的是，UDFy- 38135539无法电离它自己的气体。
What is clear is that UDFy-38135539 couldn't have ionized the gas on its own.
不过，有别于化疗时的电离辐射的是，手机辐射是非电离性的。
It’s a non-ionizing type of electromagnetic radiation, as opposed to the ionizing radiation used in radiation therapy, for example.
但实际上我们也可以讨论氢原子，或者其它任何原子的其它能级的电离能。
But, in fact, we can also talk about the ionization energy of different states of the hydrogen atom or of any atom.
粼粼雷声从遥远的东边传来，又挟着红色的冠形闪电离他们而去。
The thunder sounded far to the east, moving from them in its red wreaths of light.
通过使用电离驱动，太空舱将把那些无用的废弃物轻轻推出轨道。
Using an ion drive, it will gently nudge these useless scraps out of orbit.
最重要的一点是在电离层的电子和其他带电粒子的密度是波动的。
One of the most important of these is a fluctuation in the density of electrons and other electrically-charged particles in the ionosphere.
一群强大的巨型恒星点燃蔷薇星云的中心，来自电离氢的红光使其绚丽夺目。
The center of the Rosette Nebula, which glows with the red light of ionized hyrdorgen, is fueled by a central cluster of powerful giant stars.
由于分子很容易被电离，通过纳米孔的电压落差有助于牵引dna穿过微孔。
Since the molecule is easily ionized, voltage drops across the nanopore help "pull" the DNA through.
低温气体和尘埃长长的卷须从渐行渐远的电离前沿一直延伸到数光年远的太空。
A long tendril of colder gas and dust extends many light years into the void from the receding ionization front.
获取该图像时使用了四个窄带滤光片，它们都被调谐到可见氢、电离氦、硫和氧。
The image was captured using four narrow-band filters that have been tuned to see hydrogen as well as ionized helium, sulfur and oxygen.
如果某个东西有很高的电离能，这意味着它非常非常，非常不愿意失去一个电子。
If something has a high ionization energy, it means that it really, really, really does not want to give up an electron.
由于与强烈的高层阳光的相互作用，电离层由相对炽热的带电气体组成。
The ionosphere is made up of relatively hot gases that are electrically charged due to interactions with intense, high-altitude sunlight.
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