The commonest spaces are those among the particles—sand grains and tiny pebbles—of loose, unconsolidated sand and gravel.
最常见的空间是那些由松散的、未固结的砂和砾石组成的颗粒(沙粒和小卵石)之间的空间。
TEMs work by firing a beam of electrons through the material and measuring how it absorbs and deflects the particles to build up an image of the sample.
TEMs 的工作原理是通过发射一束电子穿过某种物质,并测量它如何吸收和偏转粒子来建立样本的图像。
That's the interaction between the particles.
这是粒子间相互作用。
The smaller the particles, the slower they come back down again.
颗粒越小,它们沉降得越慢。
As the tail swings, the water moves and drags the particles along.
当尾巴摆动时,水会移动并拖动颗粒。
In that time some of the particles get together and form antihydrogen.
这段时间内一些粒子聚合成反氢原子。
Under normal circumstances, the particles in STFs repel each other slightly.
在常态下,STFs内部的粒子之间互相轻微排斥。
Moreover, once the particles in the capsules have settled down they stay put.
再者,一旦胶囊中的微粒安定下来,它们就呆着不动了。
Among the particles predicted to appear during this cooling are strange quarks.
预计在冷却过程中出现的粒子将是奇异夸克。
This goes on until the particles get to the size of boulders or small asteroids.
这现象一直持续,直到微粒达到巨石或者是微型小行星的大小。
So the particles of ash were very fine-grained and very sharp compared to normal ash.
所以此时的火山灰颗粒较普通的火山灰来说非常细小而且锋利。
This could help them positively identify the particles thought to make up dark matter.
这样就能帮助他们确认所谓构成暗物质的粒子。
This oscillating field would accelerate the particles toward the collision point.
这个振荡的电场会把粒子加速推向碰撞点。
Of the three, two of the particles are magnesium-rich, while the third is carbon-based.
三个颗粒中,有两个富含镁元素,而第三个则是碳基元素为主。
This process generates heat and more neutrons (one of the particles that forms an atom).
这一过程产生热,以及更多的中子(原子的构成粒子之一)。
They'll study images of the particles for clues to the nature of matter and the universe.
科学家们将进一步研究粒子的图像,作为探索物质和宇宙本质的线索。
Of all the particles that fill our lungs on any given day, the most dangerous are the small ones.
在每一天填满我们肺部的所有粒子中,那些最小的是最危险的。
The result of this is that the particles feel mass, the property of matter that responds to gravity.
粒子经由其传导的力而获得质量——物质响应引力的一种性质。
As the particles clump together, though, gold's red turns to blue and silver's yellow turns to violet.
但是,当粒子聚集在一起时,金粒子就由红色变为蓝色,银粒子由黄色变为紫罗兰。
There's nothing to accelerate the particles, either, but Satogata says the RF cavities could be offscreen.
电影中也没有出现任何加速粒子的装置,但萨托吉塔认为射频共振腔可能被摆在了画面之外。
Wherever the light falls on the polymer it causes it to solidify, binding the particles in the slurry together.
紫外线所照射到的区域,该区域的聚合物便会凝固,并将陶浆中的颗粒粘合在一起。
As the LHC collects more data, SUSY will require increasingly intrusive tweaks to the masses of the particles.
随着大型强子对撞机收集越来越多的数据,超对称性理论将需要更多干预性手段对粒子质量进行调整。
These are tiny particles that have a crystal structure which influences the flow of photons, the particles of light.
一些很小的颗粒都有晶体结构,能够影响光子,光的微粒的流动。
Some challenges remain, such as explaining where the background electric field that charges the particles came from.
某些难题依然没有被完全解决,例如如何去解释使微粒带电的背景电场从何而来?
And like coal ash produced today, the particles would have been loaded with toxic metals such as chromium and arsenic.
就像今天的煤灰一样,这些颗粒中可能也含有一些有毒金属,如铬和砷。
Now, next lecture I will also deal with situations whereby during the collision, the particles bounce off each other.
我将会在下节课,讲到另一些情况,在碰撞过程中,粒子相互反弹。
Yet, satellite instruments have generally struggled to achieve accurate measurements of the particles in near-surface air.
然而,卫星仪器通常很难实现近地面空气中细颗粒物的精确测量。
However, none of the masks can stop 100% of the particles getting through and become less effective once they become moist.
不过,没有一种口罩能够百分之百地阻截空气中的微粒,一旦变湿,效用就要减弱。
应用推荐