简要回顾了原子核和强相互作用物质的相结构及相变研究的现状。
We review the status of the research on the phase structure and phase transitions of nucleus and strong interacting matter briefly.
而作为光速不变原理的作用物质，相对论是以电磁波的光而对象的。
And as the speed of light, the role of the same principle of relativity is the material object and the electromagnetic wave light.
应用机械化学原理，讨论了这些具有优良抗磨作用物质的形成过程。
The formation of the materials which exhibit better EP and antiwear ability was proposed by means of the mechanochemical principle.
“我们了解得越多，就越惊讶于它们所包含的如此丰富的人体所需基本物质，” 范·霍恩继续说道，“以及它们如何通过相互作用来维持人体健康。”
"The more we learn, the more amazed we are by the wealth of essential substances they contain," Van Horn continues, "and how they interact with each other to keep us healthy."
石化还可能同时涉及将死亡的动植物的原有物质与不同成分的矿物质进行交换的作用。
Petrifaction may also involve a simultaneous exchange of the original substance of a dead plant or animal with mineral matter of a different composition.
香水和皮肤的天然化学物质相互作用。
在她第一本书中，她解释了植物纤维、维生素、矿物质和其他重要营养物质的作用。
In her first book she explained the role of vegetable fibres, vitamins, minerals, and other essential nutrients.
为了研究大麻素的作用，研究人员给新生老鼠注射了一种化学物质，这种化学物质可以阻止大麻素到达它们大脑中的受体。
To investigate the function of cannabinoids, researchers injected newborn mice with a chemical that is known to block cannabinoides from reaching their receptors in the brain.
我能给你的最简单的定义是光谱学是研究物质和光之间相互作用的学科。
The simplest definition I can give you is that Spectroscopy is the study of the interaction between matter and light.
科学家们是如何探测到一种很少与其他物质相互起作用的粒子的呢？
How can scientists detect a particle that interacts so infrequently with other matter?
当卵子受精时，这些物质变得活跃起来，并可能控制与它们相互作用的基因的行为。
When the egg is fertilized, the substances become active and, presumably, govern the behavior of the genes they interact with.
他们给其中一些作品注入了起稳定和加固作用的化学物质。
They infused some with stabilizing and consolidating chemicals.
大多数深海动物依靠颗粒物质作为食物，这些颗粒物质最终来自于光和作用，下降的排放口会使平流的作用相形见绌。
Most deep-sea faunas rely for food on particulate matter, ultimately derived from photosynthesis, falling vent would dwarf any contribution from advection.
这种化学物质究竟是如何发挥作用的仍然是一个谜。
How exactly the chemical plays a role still remains a mystery.
我们可能很难看到日常的化学作用，但几乎你接触的所有东西都有一些化学物质。
It can be very hard to see the everyday chemistry at work, but nearly everything you touch has some chemicals in it.
对老鼠的实验发现，一些在脂肪和糖的代谢中起关键作用的物质，只在使用肌肉时产生。
Studies on rats have shown that substances that are produced only when muscles are being used play a crucial role in metabolising fat and sugar.
他对于商业竞争并不感兴趣，惟一关心的是发现物质作用的奥秘。
He was not interested in commercial rivalry, but in discovering how matter worked.
这些方程以最优雅、最简洁的方式描述了电场和磁场的特性以及电场、磁场与物质互相作用的方式。
These equations represent one of the most elegant and concise ways to state the behaviour of electric and magnetic fields and how they interact with matter.
仅修正引力对普通物质的作用方式是无法解释这一情形的。
Merely changing the way in which gravity ACTS on normal matter cannot explain this distribution.
宇宙似乎充满了暗物质(目前只能通过它对可视物质的作用来了解)，暗能量就更神秘了。
And the universe appears to be permeated by dark matter that can be sensed only by seeing its effect on visible matter, and dark energy, which is even more mysterious.
这两种化学物质在一定的温度下相互作用。
These two chemicals interact with each other at a certain temperature.
给出引力的作用规律和关于物质分布的假设后，下一步是得出宇宙的动力学规律——空间和质量如何与时间相互作用。
Given a law of gravity and an assumption about how the matter is distributed, the next step is to work out the dynamics of the universe - how space and the matter in it evolves with time.
这可以不需要借助于暗物质的作用来解释观测到的恒星和星系的速度吗？
Could this explain the observed speeds of the stars and galaxies without dark matter playing a role?
科学家们推理说，暗物质一般不与大多数其他物质作用，他们认为暗物质会直接穿过地球、房屋甚至是人的身体，并不会被原子所弹开。
And dark matter doesn't often interact with most other matter, scientists theorize. One idea is that it flies right through the Earth, your house, and your body without bouncing off atoms.
木炭产生了很多温室气体之后，又取代了在清洁过程中起到了很大作用的物质，历史会给这种物质一个不错的评定。
And there would be a nice historical justice in the substance that was displaced by coal playing an important role in cleaning up the mess that coal has left behind.
更为强劲的引力理论能够担负起暗物质的作用，引力会抓住星系和星团使它们不至于飞离而去。
This stronger gravity can fill the role of dark matter, holding together galaxies and clusters that would otherwise fly apart.
我们只能通过经验了解物质如何作用。
暗物质是一种不与光发生作用的物质，因而不可见。但是暗物质又是确实存在的，它与可见物质之间产生的引力效应证实了这一点。
Dark matter is a form of stuff that does not interact with light, so cannot be seen, but makes its presence felt by exerting a gravitational pull on normal matter.
因此，暗物质一定存在，而且星云团的碰撞产生的作用力将暗物质同普通物质相分离。
Thus, dark matter must exist, and it was wrenched apart from normal matter by the force of the collision of the clusters.
研究人员目前还在老鼠身上试验那些对鱼类毛细胞有保护作用的化学物质。
Those chemicals found to confer protection on fish hair cells are currently also being tested on mice and rats.
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