Research from Spitzer has revealed that this outer red zone lacks organic molecules present in the rest of the galaxy.
来自斯必泽的研究指出在星系的其余外层红色区域都缺乏有机分子。
They get surrounded by soap molecules and, because air is lighter than water, the bubbles want to get back up to the surface.
这样它们就会被肥皂分子包围,由于空气比水轻,所以肥皂泡还是会回到表面。
Scientists think the molecules making up the primordial ooze of life on Earth might have formed in such a disk.
科学家猜测,原始地球上孕育生命的原始浆液很可能就从这样的行星盘中形成。
Still another kind of force, which seems to make the layers or molecules of a material slide or slip on one another, is a shearing force.
还有一种力量称为剪力,它似乎能使材料的内层间或分子相互滑行或滑落。
By testing those chemicals against disease-causing bacteria, drugmakers look for individual molecules that might have therapeutic potential.
制药者藉由测试这些化学分子对抗致病菌的能力高低,寻找具有治疗潜力的分子。
Meanwhile, many metal nanoparticles have been used to catalyze the reaction of small organic molecules and enhance the reaction efficiency.
另外,许多贵金属纳米颗粒修饰到电极表面后对有机小分子有很强的催化作用,提高了反应效率。
The number of molecules is often small so that large fluctuations can occur.
在这个过程中,参与的分子数很少,通常有很大的波动。
Hoping to understand obesity, brain researchers continued to hunt for molecules that, like leptin, control food intake.
大脑研究者继续捕捉类似瘦素的控制食物摄取的分子,希望以此来理解肥胖。
Infrared observations indicate that this nebula may contain complex carbon molecules known as PAHs.
红外观测器还发现这个星云可能含有叫作多环芳烃的复杂碳分子。
That powder is able to soak up gases, which combine with the water molecules to produce a hydrate.
这样的粉末能够吸收气体,与水分子结合在一起生成水合物。
Early Earth seems to have been covered in a soup of organic molecules with no chiral preference.
早期的地球似乎是被一层并不存在手性偏好的有机分子汤所覆盖。
The molecules of living things are made, not of two or three atoms, but of hundreds or thousands in different complicated patterns.
生物的分子不是由两三个原子构成的,而是成千上万原子以多种复杂的形式组合而成的。
By using lasers, says Kuznetsova, they were able to break down the molecules without compromising the data encoded in them.
通过使用激光,库兹涅佐娃说,他们能够在不影响数据编码的同时把分子分解成单原子。
hemoglobin is a protein consisting of multiple molecules, and such a molecule can interact with a non-protein compound called heme.
(人体)血红蛋白是一个由多个分子组成的蛋白质,该分子可以与称为亚铁血红素的非蛋白质化合物相互作用。
And chemicals that seem either to prevent the misfolding, or to help the body clear away misfolded molecules, do, indeed, exist.
能阻止分子错误折叠或帮助机体清除错误折叠分子的化学药品似乎确实存在,
Nitric oxide(NO) is one of the ten smallest chemical molecules found so far in nature and is a small highly diffusible bioactive molecule.
一氧化氮(NO)是迄今发现的自然界中十个最小的化学分子之一,是一种易扩散的生物活性分子。
The methodologies have been used in the total syntheses of several biologically interesting molecules, such as estrone analogous.
这种方法已经被用在一些生物活性分子的全合成过程当中,如甾体酮类似物等。
Some researchers think comets might have originally brought some of the water and organic molecules to Earth that now make up life here.
一些研究者认为,可能是彗星最早把水和有机分子带到了地球,发展出了现在地球上的生命。
the brightness of the sky depends on the amount of air molecules along the line of sight . more molecules mean a brighter sky.
天空的光亮度取决于视线中空气分子的数量,分子愈多,天空就愈光亮。
It learns early on which biological molecules are "self" , in the sense that they are routine parts of the body it is protecting.
免疫系统在早期阶段就了解了哪些生物分子属于“本体”,即免疫系统需要保护的身体的正常部分。
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