吸收,吸掉用可吸收物质吸干或吸掉。
本文研究了当激光脉冲线宽远大于被测吸收物质的吸收线宽时,衰荡光谱满足的规律,以及在这种情况下,测量灵敏度的大小。
In this paper, we got the regularity of cavity ring-down spectroscopy when the line width of laser pulse is far larger than the absorption line width of measured substance.
防护手套可以减少皮肤对化学物质的吸收。
Protective gloves reduce the absorption of chemicals through the skin.
分析表明,溶解的有机物质吸收了足够的来自太阳光线的蓝色波长,使冰看起来是绿色的。
Analysis shows that the dissolved organic material absorbs enough blue wavelengths from solar light to make the ice appear green.
现在来说说激光光谱学,这是你们作业的重点,激光光谱学可以非常精确地测量光谱的哪些部分被不同物质吸收。
Now, Laser Spectroscopy, which is the focus of your assignment, works by measuring very precisely what parts of the spectrum are absorbed by different substances.
他发现,声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。
He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.
所有形式的物质,都可以根据它们吸收的光的波长以及反射的光的波长来区分。
All substances, all forms of matter, can be distinguished according to what wavelength of light they absorb and which ones they reflect.
真菌从岩石中吸收水分和矿物盐,并在代谢废物中传递这些物质,而这些废物向藻类提供营养。
The fungi absorb moisture and mineral salts from the rocks, passing these on in waste products that nourish algae.
潜热在物质形态变化时被吸收或释放,例如当物质从液体变为气体或从气体变为液体时这一过程就会发生。
Latent heat is absorbed or released whenever matter changes phase, as when matter changes from liquid to gas, for example, or from gas to liquid.
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。
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.
有毒的矿物质首先被根部吸收,然后转移到茎和叶上。
Toxic minerals would first be absorbed by roots but later relocated to the stem and leaves.
相反,食肉植物从它们的猎物那里吸收氮、磷和其他重要的营养物质,以制造聚光酶。
Carnivorous plants instead draw nitrogen, phosphorus, and other critical nutrients from their prey in order to build light-harvesting enzymes.
土壤中对植物有用的矿物质元素必须先溶解在土壤溶液中,然后才能被根吸收。
The mineral elements from the soil that are usable by the plant must be dissolved in the soil solution before they can be taken into the root.
这听起来很矛盾,因为这一假设背后的理念是,树叶在秋天产生的红色素是用于保护叶绿素这种吸收光的化学物质,以免它吸收过多的光。
It sounds paradoxical, because the idea behind this hypothesis is that the red pigment is made in autumn leaves to protect chlorophyll, the light-absorbing chemical, from too much light.
效果就是:太阳能板中的活性物质吸收了更多阳光,从而使更多阳光转化成了电能。
The result: the active materials in the panels absorb more light, and convert more of it into electricity.
玛丽安:要是电子能吸收能量,物质就不是透明的了。
Marian: And if the electrons can absorb energy, then the material isn't transparent.
这些复合物的化学结构相似,在治疗阿尔兹海默症方面很有前景。但人体不易吸收这些物质,而且用量很高时,它们会产生毒性。
These compounds, which are all similar in chemical structure, have promising characteristics, but the human body does not easily absorb them, and they can be toxic at very high doses.
隐形飞机依赖其外形来逃避雷达,这种外形能避免雷达波从机体资源上反射信号、且含有能吸收雷达能量的物质。
Stealth aircraft rely on shapes that prevent radar waves from bouncing back to their sources and on materials that absorb radar energy (stealth-plane time line).
另一个让牛奶看起来呈乳白色的原因是因为牛奶中的一些物质不吸收光线。
Another reason milk looks white to our naked eyes is because some objects do not absorb very much light.
肝脏的功能之一是消化食物,吸收营养和排除有毒物质。
One of the liver's function is to digest food, absorb nutrients and get rid of toxic substances.
值得一提的是,茶和咖啡中富含多酚类,这种物质会抑制身体吸收铁质。
Be aware that tea and coffee contain polyphenols which can bind to iron, making it difficult for your body to absorb.
镁是一种它们从周围的海水中吸收的矿物质。
Magnesium is a mineral that they absorb from the surrounding sea water.
罗伯逊:氧化应激是一种由化学反应或我们摄取的东西——即被我们身体吸收的物质——造成的毒性分子堆积。
Robertson: Oxidative stress is an accumulation of molecules that comes about because of chemical reactions, or stuff we ingest, things that get in our body.
研究小组认为这里面大有文章。也许身体是饥是饱、对食物中营养物质的吸收代谢情况,远比我们认为的重要。
The team thinks there's more to it. Perhaps hunger, fullness and how the body absorbs and metabolizes nutrients in food matters more than we think.
你可能从美容产品中吸收了有毒的化学物质,主要地,直接吸收到了你柔弱的器官。
The toxic chemicals you may be absorbing from the use of beauty products are, largely, going directly to your delicate organs.
腹泻会干扰营养物质的吸收,这可能导致严重的体重下降。
Diarrhoea can interfere with the absorption of nutrients and this can lead to serious weight loss.
这些控制棒,由能够吸收中子的物质——硼制成,它吸收多余的中子,使链式反应停止。
These rods, made of neutron-absorbing materials such as boron, mop up excess neutrons and quench the chain reaction.
“植物通过叶片上的小孔吸收空气中的有害物质,”沃尔弗顿说。
“Plants take substances out of the air through the tiny openings in their leaves,” Wolverton said.
虽然在皮肤表层使用的东西被吸收了,但是同样这些化学物质也被身体所吸收。
Since everything is absorbed that you put on your skin, you will also be absorbing those chemicals in to your body.
虽然在皮肤表层使用的东西被吸收了,但是同样这些化学物质也被身体所吸收。
Since everything is absorbed that you put on your skin, you will also be absorbing those chemicals in to your body.
应用推荐