已经被复制的染色体则又被重新送回到了原细胞的细胞核中，这样做以前一向被认为是不可能的。
Duplicate chromosomes were sent back to the center of the original cell, an event once thought impossible.
研究人员从格陵兰冰核中遗留的冰泡上能够测出这个变化。
Researchers can measure that change in the bubbles of ice left behind in ice cores in Greenland.
这些粒子主要是质子、电子和氦原子核，并且当他们与地球高层大气中的原子核碰撞，就能产生次级粒子簇射。
The particles are generally protons , electrons and helium nuclei and when they collide with nuclei in the Earth's upper atmosphere they can produce shower s of daughter particles.
然后他们把这个细胞核植入另一只狗的卵细胞中，而这个卵细胞的细胞核已经被移除。
They then transferred the fibroblast's nucleus to another dog's egg cell, with its nucleus removed.
此计划的报告说，长毛象的细胞核将注入到大象去除细胞核的卵细胞中，从而形成含长毛象基因的胚胎。
Under the plan, the nuclei of mammoth cells will be inserted into an elephant's egg cell from which the nuclei have been removed, to create an embryo containing mammoth genes, the report said.
在希腊地层(Hellenistic layer)之下的建筑中，加芬克尔找到了四个橄榄核，经碳-14分析确定其年代为公元前1000年左右。
Beneath that Hellenistic layer he found buildings scattered with four olive pits, which carbon-14 analysis dated to around 1000 B.C..
最好的选择是，在BIOS中关闭Core2Duo中的一个核，然后重新运行基准测试。
The best option turned out to be re-running the benchmark on my machine with one of the cores in the Core 2 Duo turned off, set in the BIOS.
理查德·拉尔森，一个耶鲁的天文学家，他研究星系核中的恒星结构，他说，星系在整个生命史中，可能会经历好几个类星体的阶段。
Richard Larson, a Yale astronomer who studies star formation in galactic nuclei, says galaxies can go through several quasar phases during their lives.
地球磁场由地球外核中的电流产生。
The Earth's magnetic field is generated by currents flowing in Earth's outer core.
细胞核已经从卵细胞中移除。
目的是测定 MMP-1及TIMP-1在人退变椎间盘髓核中的表达。
The objective is to observe the expression of MMP-1and TIMP-1 in nucleus pulposus cells of intervertebral disc degeneration.
重氢是原子核中多一个中子的氢。
A deuterium atom is a hydrogen with an extra neutron in its nucleus.
而元素的编号是依据元素原子核中质子的数量确定的。
日本正努力从地震和随后的核灾难中恢复。
Japan is struggling to recover from the earthquake and subsequent nuclear disaster.
在它们的原子核中质子数是相同的(这是一个元素定义性的特征)，但是中子的数量不同。
They have the same number of protons in their nuclei (this is the defining characteristic of an element), but different Numbers of neutrons.
它给在海啸中和核灾难中的受害者一个去发表自己意见的机会。
It would give the victims of the tsunami and the nuclear disaster a chance to make their voices heard.
在那些例子中，细胞核和细胞质融合在一起，杂交细胞制造出了表达两种动物遗传密码、完美运转的酶。
In those instances nuclei as well as cytoplasms came together and the hybrid cells made perfectly functioning enzymes that expressed the genetic code of two types of animal.
重启冷却泵将是在防止核灾难恶化的斗争中的一个重大里程碑。
Restarting the cooling pumps would mark a major milestone in the struggle to prevent the nuclear disaster from worsening.
在即将来临的一年中，欧洲原子核研究委员会的物理学家们会致力于解释2010年大型强子对撞机观察到的有趣结果。
Over the course of the coming year, Cern physicists will certainly be working to explain interesting effects seen at the LHC in 2010.
对于现今个人计算机中的多核芯片（也许四核或六核甚至八核）来说，分解计算任务并不是个大问题。
With the multicore chips in today’s personal computers, which might have four or six or even eight cores, splitting computational tasks hasn’t proved a huge problem.
如果由于处理不当导致核物质或辐射不慎泄漏到环境中，将会非常危险，因为有些辐射对人体会造成有害影响。
Radioactive materials — if handled improperly — or radiation accidentally released into the environment, can be dangerous because of the harmful effects of certain types of radiation on the body.
对于日本核灾难，她突然做出回应：关掉德国17座核电站中的7个。
She reacted to Japan's nuclear disaster by abruptly switching off seven of Germany's 17 nuclear plants.
在我们的实验中，在两个目的地间做出决定后，尾状核迅速更新了它的信号。
In our experiment, after a decision was made between two destinations, the caudate nucleus rapidly updated its signal.
杏仁核是成对的，两个大脑半球中各有一个，它们在大脑的深处，有辨识危险和产生恐惧心理的作用。
The amygdalas are a pair of structures, one in each cerebral hemisphere, that are found deep inside the brain and are responsible for assessing threats and generating the emotion of fear.
这些新款安卓系统手机都是4G手机，适用于美国电话电报公司的HSDPA-Plus网络或者威瑞森的LTE网络，另外这10款手机中的4款搭载双核处理器。
The new Androids are 4G phones either on AT&T HSDPA-Plus network or Verizon's LTE network, and four of the 10 will come with dual core processors.
这个动作将导致至少一家德国核工厂很快关停，德国环境大臣后来在一份声明中说。
That move will lead to at least one German nuclear plant shutting down very soon, Germany's environmental minister later said in a statement.
在测试环境中，每个节点有两个支持并发多线程的4核处理器，所以有16个可用的位置，可以把这两个参数设置为7。
In the testing environment, each node has two 4-core processors that support simultaneous multi-threading, so you have a total of 16 available slots and can set both parameters to 7.
在另一项研究中，科学家说他们已经认定多动症儿童的尾状核与其他儿童有区别，尾状核是大脑中与学习和记忆有关的一个区域。
In a separate study, other scientists said they had determined that ADHD children have differences in the caudate nucleus, which is involved in learning and memory, compared to other children.
氡子核在衰变时发射出放射性阿尔法粒子，这些粒子可附着于空气中的浮质、灰尘及其它粒子。
As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.
氡子核在衰变时发射出放射性阿尔法粒子，这些粒子可附着于空气中的浮质、灰尘及其它粒子。
As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.
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