The water from a water-fall needs to be controlled and contained before it can become useful energy.
从水坠水的需要加以控制，并载有前它可以成为有用的能源。
Energy is a resource that directs or provides the useful energy through the transformation the human needs.
能源是可以直接或通过转换提供人类所需的有用能的资源。
Faeces are food that has been processed by the human digestive system to extract as much useful energy as possible.
人类粪便是已经被人类消化体统为了最大化汲取能量而处理过了的食物。
Don't forget, no machinery is perfect and will not, therefore, convert all energy presented to it into useful energy for your use.
别忘了，没有机器是完美的，不会，因此，转换所有能源成有用的能量提交给它供您使用。
One way to release useful energy from plant matter is to ferment it into biofuels, as Synthetic Genomics, LS9 and Amyris are trying to do.
释放植物有用能源的一个方式是将其发酵转化为生物燃料，就如SyntheticGenomics,LS 9and Amyris他们正在尝试做的。
Getting useful energy from formate is now the simplest way known for any life form to get its fuel, though it relies on the absence of oxygen.
从甲酸盐中获取所需的能量是目前最简单的维持生命方式，虽然它依赖于无氧的环境。
Dr Kanatzidis argues that wherever heat is generated as part of power generation, thermoelectric devices could help extract more useful energy.
Kanatzidis博士认为，热电装置可以收集发电过程中产生的热能，并将其转化为其他可用能量。
To generate useful energy, plants have evolved very sophisticated "nano-machinery" which operates with light as its energy source and gives a perfect quantum yield of 100%.
为了产生有效能，植物进化出了异常精密的“纳米机器”，它以光为能量来源，光能转化率达到了完美的100％。
In 1867 James Clerk Maxwell, a British researcher, wondered if you could extract useful energy from thin air, in apparent contradiction to the second law of thermodynamics.
1867年，大不列颠研究员JamesClerk Maxwell想知道能否从稀薄的空气里提炼出有用的能量。这明显与热力学第二定律相矛盾。
The building of a real-life version of "Maxwell's demon" – which can turn information into useful energy – might mean that future nanomachines can be powered purely by information.
建造“麦斯威尔妖”的现实生活版本——它可以把信息转变为有用的能量——意味着未来的毫微级计算机可能纯粹地依靠信息来作为动力。
During a nuclear fission chain reaction, the tubes heat up to extremely high temperatures, and the way to keep them safe turns out to also be the way to extract useful energy from them.
核裂变连锁反应发生时，导管被加热到极其高的温度，将热量安全导出则意味着可以提取裂变产生的可利用能量。
According to the Centre for Strategic and International Studies, about three quarters of energy we use to move things, including ourselves, accomplish no useful work.
根据战略与国际研究中心的数据，我们用于移动包括我们自己的物体的能量中，约有四分之三没有完成任何有用的工作。
According to the Center for Strategic and International Studies, about three quarters of the energy we use to move things, including ourselves, accomplishes no useful work.
战略与国际研究中心表示，包括我们自己在内，我们用来移动事物的能量中，约有四分之三的能量没有产生有用功。
The energy absorbed by the chlorophyll molecules of the unstable autumn leaf is not immediately channelled into useful products and processes, as it would be in an intact summer leaf.
不稳定的秋叶叶绿素分子吸收的能量，不会像在完好的夏叶中吸收的能量那样立即传输到有用的产品和工艺流程中去。
But that takes energy - and why spend that energy when this "rubbish" can be turned into something useful in its present form?
但是，这需要能源-而当这些“垃圾”可以以现有形式变成有用的东西时为什么要多花能源呢？
Your brain will not waste energy on language that it doesn't think is useful!
你的大脑是不会在它并不认为有用的语言上浪费能量的。
This is useful, but the actual benefits of those credits to energy installations are not easy to figure, and beyond the scope of what I can write about here.
这是有效用的，不过那些抵免对于能源设备安装的实际意义还不容易搞清楚，这也超出了我在这儿论及的范围。
This paper provides a useful accounting of the renewable energy resources without getting into the workings of a realistic energy systems.
这份报告提供了一个计算可再生能源的有用方法，不需要考虑实际能源系统的工作。
She was 26 years old and eager to make a difference-to find or improve upon a useful source of energy, preferably one that wasn't scarce or fleeting or unpredictable or dirty. The sun was going down.
她26岁，渴望能有所作为- - -能找到或改进一种获得有用能源的方式，这种能源最好是不稀缺、不易失、可预测、无污染的。
The pruning part of biotechnology involves eliminating proclivities that might be useful to a wild organism, but drain its energy and metabolic effort away from the task at hand.
生物工艺中的修剪包括去除一些可能对野外生命有好处的秉性，因为这种秉性消耗能量和新陈代谢使其不能进行指定的任务。
That's why the company spends so much time and energy building new applications that make the Web more useful or fun.
这也就是为什么它会投入如此多的时间和精力编写新的程序，从而使网络变得更好用、更有趣。
Even if his worst electoral fears are realised, Mr Brown could make useful contributions in these fields, and others such as energy security, in the next 28 months.
即使布朗先生在选举上最糟糕的担心成为现实，他也能在接下来的28各月里在这些领域以及如能源安全等其他领域做出一些有意义的贡献。
When one of the dye molecules is hit by light of sufficient energy, an electron is knocked out of it and absorbed by the titanium dioxide, before being passed out of the cell to do useful work.
一旦染料分子被有足够能量的光碰触，电子就会脱离并被二氧化钛吸收，在穿离电池之前发电。
He adds: "There is a daunting combination of problems to be solved before this or any other artificial photosynthetic system could actually be useful for energy conversion."
他补充说：“在任何实用的能量转换的人工光合系统中这都是一个非常困难的问题，现在它已经被解决了。”
About 80 percent of the fusion energy released is in the form of those neutrons, so the reaction isn't very healthy (or useful) for a starship.
大约80百分之的聚变能以中子的形式释放出来，所以这个核反应不是很大（或有用）对于一个星际飞船。
Storing a single profile item is useful, but most data changes over time, particularly when you talk about energy usage.
存储单个配置项目很有用，但大多数数据随时间改变，特别是当您谈论能源用途时。
A pricey sea-going car may prove useful for the onward journey; if you have time and energy try rowing or swimming.
此外，一种昂贵的海上汽车或许也比较有用；如果你有时间和精力，你也可以尝试划船或游泳的方式。
The use of magnetic resonance allows energy to be transferred in useful quantities and almost entirely to the device.
利用磁共振能够传输足够使用的能量，并且能量在到达接收器前的耗损量非常小。
The enterprise of the future will need to devote a lot of time and energy toward integrating the useful information it has.
未来的企业将需要花大量的时间和精力来整合它们拥有的有用信息。
The enterprise of the future will need to devote a lot of time and energy toward integrating the useful information it has.
未来的企业将需要花大量的时间和精力来整合它们拥有的有用信息。
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