Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.
因此，生态系统以生物及其活动作为媒介，涉及能量和物质的循环、转化和积累。
The ecologist is concerned primarily with the quantities of matter and energy that pass through a given ecosystem, and with the rates at which they do so.
生态学家主要关注的是流经某一生态系统的物质和能量的量以及它们的速度。
Scientists transmuted matter into pure energy and exploded the first atomic bomb.
科学家们使物质转化为纯能量，爆破了第一枚原子弹。
For systems transforming solar to thermal energy, the thermal energy may be stored in matter as either latent heat or sensible heat.
对于将太阳能转化为热能的系统，热能可能以潜热或显热的形式存储在物质中。
Energy transmutes into matter and vice versa.
能量变成物质，反之亦然。
Don't waste energy fussing over a minor matter.
不要在微小的事情浪费精力。
An equally intriguing possibility is that dark matter interacts with dark energy.
同样引人入胜的是暗物质有可能与暗能量相互影响。
This is rather strange. We know that matter and energy cannot increase but apparently information can.
想想多少有点奇怪，我们都知道物质和能量是守恒的，而且信息却可以不断的增加。
Some researchers have started using it to explain away the twin cosmological mysteries of dark matter and dark energy.
一些研究者已经开始利用它来解释暗物质和暗能量这两个伴生的宇宙学之谜。
For it to be held that way, rather than getting more and more curved over time, the amount of matter and energy it contains must be at a particular, critical density.
而根据这个状态，不是随时间而越来越弯曲，它所拥有的物质与能量必须在一个临界的，特别的密度。
Biochar is a form of charcoal made by liberating the energy from plant matter or animal waste using pyrolysis.
生物炭是木炭的一种形式，它在高温分解植物或者动物粪便释放能量的同时制得。
We've had all kinds of surprises: dark matter, dark energy, inflation, things like that.
我们有过各种各样的惊喜：暗物质，暗能量，宇宙膨胀，诸如此类的事情。
As is best shown in the equation E=MC2, energy and matter are fundamentally connected.
正如著名的方程式E=MC2 所示，能量与物质紧密相连。
If true this could mean that the ripples are significantly smaller, which could imply that dark matter and dark energy are not present after all.
如果情况属实，这可能意味着波纹明显较小，这意味着，暗物质和暗能量可能并不存在。
In fact, only 4 percent of the matter and energy in the universe has been found.
事实上，宇宙中仅有4%的物质和能量被发现。
Dark energy is possibly even more baffling than dark matter.
暗能量大概要比暗物质更让人无头绪。
These mysterious substances are called dark energy and dark matter.
这些神秘物质称为暗物质与暗能量。
The advance should sharpen insights into the behavior of matter and energy in extreme conditions.
这一研究上的进展可以使科学家们对极端环境中物质和能量的性质有一个更加清晰的认识。
They can also measure the geometry of space. That allows them to deduce the total density of energy and matter in the universe and infer the amount of dark energy.
他们还能通过测量空间几何推断出宇宙中能量和物质的总密度，并推算暗能量的总和。
Debate about the exact nature of the dark side of the Universe - the dark matter and dark energy - continues to this day.
但宇宙的阴暗面(暗物质、暗能量)的本质究竟是什么，各方争论至今。
However, Eddington's theory of gravity only worked for empty space and didn't include any source of energy such as matter, making it an incomplete theory.
然而，Eddington的引力理论仅对不包含任何如物质等能量源的真空适用，这使得它不能成为一套完整的理论。
That may be because dark energy and dark matter, which together seem to make up 96 per cent of the universe's contents, might be a cosmic mirage.
可能的理由是：这种看起来似乎是共同构成了宇宙全部内容的百分之九十六的暗能量和暗物质，也许是一种宇宙间的海市蜃楼。
Since Einstein, "energy equals matter" and Hawking lacks the imagination to think outside this box.
因为现代科学家就是这样看待世界的，自从爱因斯坦说了“物质就是能量”之后，霍金再没有足够的想象力跳出这个圈子。
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。
What is dark matter, dark energy, gravity?—stem
什么是暗物质，暗能量，重力？
Astronomers infer their existence based on their gravitational influence on what little bits of the universe can be seen, but dark matter and energy themselves continue to elude all detection.
基于宇宙中观测到的微小万有引力作用，天文学家推断出它们的存在，但暗物质与暗能量本身仍在可直接探测的盲点区。
So much of what we waste our energy on will not matter even a year from now, much less for eternity.
许多浪费我们精力的事物，一年后，这些事已变得无关紧要，更谈不上有任何永恒价值了。
So much of what we waste our energy on will not matter even a year from now, much less for eternity.
许多浪费我们精力的事物，一年后，这些事已变得无关紧要，更谈不上有任何永恒价值了。
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