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neutrons in nuclei 核中子
As annotation, an equation of the relation between neutrons and protons in nuclei and its periodical solutions as well as atomic number limit are discussed. 作为诠释，探讨了原子核内中子与质子的趋势关系方程，以及其周期解和原子序数极限值。
The most common isotope of oxygen, for example, has an atomic weight of 16, but there are also rarer isotopes with weights of 17 and 18, caused by additional neutrons in their nuclei. 例如很常见的同位素氧，原子重量是16，但是还有更为稀少的重量为17和18的同位素，这是因为它们的原子核中有额外的中子。
An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014. 氘氢的一种同位素，在其原子核内有一个质子和一个中子，其原子重量为2。014
Neutrons in the slow and moderate speed ranges can produce ionization indirectly in other ways. 慢中子和中能中子可以通过其它方式产生间接电离作用。
The shortage of neutrons in U-235 seems to give its atoms a strange sort of instability. 在U-235中缺少中子似乎给予U-235原子一种奇异的不稳定性。
So, The distributing of the scattering background neutrons in the experiment hall is calculated with the MCNP/4A code. 需用MCNP/4A程序计算实验大厅的散射中子本底分布。
In immunocompetent hosts, JC virus remain dormant in nuclei of rare scattered glial cells in brain and spinal cord parenchyma. 在免疫功能正常的宿主，JC病毒主要存在于脑、脊髓的少数神经胶质细胞的核内。
Atoms are composed of protons and neutrons in a nucleus surrounded by a cloud of electrons . 原子由中子和质子构成，它们位于核子中，核子又被电子云所包围。
Immunohistochemical SABC method and computerized image analysis were used to observe alterations of Fos protein in nuclei of cardiac myocytes. 用免疫组化SABC法结合图象分析研究心肌细胞核Fos蛋白的累积情况。
No two electrons or protons or neutrons in a given system can be in states characterized by the same set of quantum numbers. 在已知系统中，没有两个电子、中子、质子处在同一状态。
A radioactive metallic_element that is similar to tellurium and bismuth,occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor. 一种放射性金属元素，类似碲和铋，见于铀矿，但能通过用中子轰击铋的核反应制造。
Among them 20%(7/35) was expressed only in APE/ref-1 nuclei, 17.1%(6/35) only in cytoplasm, and 62.9%(22/35) was expressed in nuclei and cytoplasm simultaneously. 40例胰腺癌中APE/ref-1阳性表达35例(87.;5%25);其中APE/ref-1胞核阳性表达7例(20%25);胞浆阳性表达6例(17
There were chromatin loosing and vacuoles in nuclei,axonal dendritic swelling and contents reduction in patients with acute cerebral hemisphere swelling. 而急性脑肿胀病人，细胞核染色质疏松，胞核内有空泡，轴索树突肿胀、空洞、内容减少。
An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2. 氘氢的一种同位素,在其原子核内有一个质子和一个中子,其原子重量为2。
The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
There are 26 letters in the English alphabet. 英语字母表中有26个字母。
It is very important that spectrum measurement of D-D and D-T fusion neutron in large scale Tokamak. 大、中型托卡马克在D-D和D-T运行条件下聚变中子能谱测量具有重要意义。
There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。