但是整个离子移动和化学反应的过程比在电容中进行的电子运动要慢。
But the whole process of ion movement and chemical reaction is slower than the movement of electrons in a capacitor.
平面能源正在研发三种不同的电池化学配方。 其中之一是把锂锰氧化物与其他离子化合，充电电压三到五伏，容量200毫安时每克。
One of them combines lithium manganese oxide with other ions, and operates at about three to five volts with a charge capacity of 200 milliamp hours per gram.
离子通道位于细胞外膜，使带电荷原子(即化学术语中的离子)可以进出细胞。
Ion channels sit in a cell's outer membrane and let electrically charged atoms (ions, as they are known in chemical jargon) in and out of the cell.
这是麻省理工学院的化学工程师团队第一次观察到单离子通过一个微小的碳纳米管渠道进行运输。
For the first time, a team of MIT chemical engineers has observed single ions marching through a tiny carbon-nanotube channel.
这也是工作的化学传感芯片与DNA电子，一家英国公司，授权其专利的离子激流。
It is also working on chemical sensing chips with DNA Electronics, a British company that licensed its patents to Ion Torrent.
还有化学退火的方法，即用尺寸大30%的钾离子取代表面的钠离子。
In chemical tempering, sodium ions in the surface are replaced with potassium ions, which are about 30 percent larger.
氡容易离子化，这让人期望，该元素有最广泛的化学反应，但是，这个元素最稳定的同位素也极不稳定，这使氡的研究受到了严重的约束。
Although the easier ionization of radon leads one to expect the most extensive chemistry for that element, the high instability of even the most stable isotope has severely limited studies of it.
公司的离子芯片相当于一部可以“阅读”化学品，直接在生物与数字世界之间传输信息的相机。
The company's ion chip is the equivalent of a camera that can "read" chemicals, transmitting information directly between the biological and digital worlds.
然后他们从细菌中提取出dna，利用高解析二次离子质谱技术分析了其中的化学组成，发现DNA中也含有砷。
They also separated out the DNA from the bacteria and analyzed its composition using a technique called high-resolution secondary ion mass spectrometry; the isolated DNA contained arsenic.
典型锂离子电池中一半的材料在电池内部的化学反应方面起不到任何作用。
About half of a typical lithium-ion battery is made of stuff that plays no direct part in the battery's chemistry.
废物（如果是固体则切割成小块）被放入等离子体化的空气中，等离子体的热能和电荷会将废物组织的化学键打破，从而使之蒸发消失。
Waste (chopped up into small pieces if it is solid) is fed into this plasma. The heat and electric charges of the plasma break the chemical bonds in the waste, vaporising it.
从长远来看，像锂硫电池这些新型的化学电池比起锂离子电池来说，更可能以较低的成本提供更大的电力储存(参见“更深入探讨锂电池”一文)。
Over the long term, novel battery chemistries such as lithium-sulfur offer potentially much greater energy storage at a lower cost than lithium-ion batteries (Packing More into lithium batteries).
海洋酸化还会进一步引起连锁化学反应：更多的氢离子意味着碳酸氢根离子多了，而碳酸根离子少了。
Ocean acidification has further chemical implications: more hydrogen ions mean more bicarbonate ions, and fewer carbonate ions.
但其排气速度却异常惊人，大约为化学燃料火箭的十倍—这使得离子推进器的效率非常高。
The exhaust velocity, though, is enormous—more than ten times that of a chemical rocket—and this makes ion propulsion extremely efficient.
锂离子蓄电池是新一代高比能量的化学电源。
Lithium ion accumulator is a new generation of high proportional energy chemical battery.
但是，液晶电视的尺寸较小，更小的尺寸消耗更少的能源（包括生产和使用的过程中）而且和大屏幕的等离子电视比，液晶电视内部的有毒化学物质也少。
But LCDs come in smaller sizes, and those small screens use less energy (both in production and at your house) and contain fewer hazardous chemicals than larger plasma screens.
Arnsten认为，衰老的前额叶皮层中积累了过多的信号化学分子，称为环腺苷酸(Camp)，它能打开离子通道，从而削弱前额叶皮层中神经元放电的频率。
Arnsten said that the aging prefrontal cortex appears to accumulate excessive levels of a signaling molecule called cAMP, which can open ion channels and weaken prefrontal neuronal firing.
其次，化学家想要将他们的环形聚合物与带电原子结合，例如钾离子和锂离子。
Next, the chemists would like to bind their rings to other charged atoms, such as ions of potassium and lithium.
在离子化合物中，正、负离子的比例严格遵守化学公式定义的化合价关系。
For ionic compounds, the state of having exactly the ratio of cations to anions specified by the chemical formula.
一个原子失掉一个电子来形成一个正离子，另一个原子得到一个电子来形成一个负离子的化学键。
A chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a negative ion.
考察了淡水和海水在离子镀铬、氮化钛和化学处理水平铝管外表面的降膜传热热性。
Seawater falling film evaporation heat transfer and anti-fouling characteristics were investigated on ion-plated chromium, TiN and chemically treated aluminum tubes.
它是化学里唯一值得研究的东西，它就是降樟基阳离子的问题！
It's the only problem worth working on in chemistry. It's the norbornyl cation problem!
通常，教科书及各种化学手册中给出的离子标准生成焓都是相对于氢离子而言的，是相对值。
As we know, in chemical textbooks or handbooks, the values ofionic standard heat of formation are often relative values.
方法1：用水清洁溶液清洁表面，向表面应用钝化剂，用去离子水冲洗表面直到全部除去化学试剂的痕迹。
Method 1 clean surface with aqueous cleaning solution, apply passivation paste to surface, rinse surface with DI water until traces of chemicals are removed.
测量的化学需氧量和浓度的阴离子表面活性剂是用来跟踪氧化。
Measurements of the Chemical Oxygen Demand and the concentration of the anionic surfactants were used to follow the oxidation.
测量的化学需氧量和浓度的阴离子表面活性剂是用来跟踪氧化。
Measurements of the Chemical Oxygen Demand and the concentration of the anionic surfactants were used to follow the oxidation.
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