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Scientists have already found out how the methyl groups are attached. The reverse process of demethylation, however, has been poorly understood so far.
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科学家们已经发现甲基团是如何被黏附的了,但是对逆转的去甲基化过程却知之甚少。 |
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Scientists have also artificially created most of the other elements between uranium and element 118.
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科学家人工制造了铀和118号元素之间的其它元素。 |
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Scientists have attempted to clone rhesus macaques, but none of the resulting embryos survived implantation in a surrogate mother.
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科学家曾经尝试要复制恒河猴,但是所获得的胚胎在植入代理孕母体内后无一存活。 |
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Scientists have been trying to find methods of grading up cattle to provide better meat for the market.
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科学家们一直在想法子提高牲畜的质量以向市场提供更好的肉食。 |
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Scientists have built a working memory chip that is roughly the size of a white blood cell — about 1/2000th of an inch on a side.
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科学家已经能够制造出如同白血球大小的内存芯片——这种芯片的边长只有1/2000英寸(0.0127毫米)。 |
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Scientists have cerated quite an array of space medicine for astronauts.
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科学家们已经创立了一系列的太空医学,为宇航员们服务。 |
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Scientists have changed the colour of a dark-striped zebrafish to uniform gold by inserting a version of the pigment gene into a young fish.
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科学家把其中一种含有色素的基因注入一条小斑马鱼体内,从而把这条深色条纹的斑马鱼变成了金色。 |
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Scientists have cloned embryos for the first time from patients with serious diseases and injuries.
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科学家已首次克隆出了严重伤病患者的胚胎。 |
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Scientists have come up with a mouthwatering invention which could change the lives of chocoholics in the summer - a type of chocolate that does not melt in the heat.
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尼日利亚科学家最近发明了一种耐热巧克力。这种巧克力在炎热的夏天里不易变软或融化,好吃者可以随身携带、随时享用。听起来是不是口水横流呢? |
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Scientists have come up with a theory for why time flies when you are having fun - and drags when you are bored.
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科学家们提出理论依据,解释为什么当你玩得开心的时候,时间总是过得飞快,而当你无聊的时侯,时间却过得特别慢。 |
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Scientists have computed the probable course of the rocket.
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科学家利用计算机计算了火箭可能运行的轨道。 |