isotopes

美 [ˈaɪsəˌtoʊp]英 [ˈaɪsətəʊp]
  • n.【化,物】同位素
  • 网络同位数;环境同位素;同位素体化合物

复数:isotopes

isotopesisotopes
radioactive isotope

isotopes

同位素

  碳的自然同位素isotopes)主要是碳-12(98.93%)及碳-13(1.07%),碳-14有不稳定的原子核,会发生核衰变,放出β射线…

同位数

Basic... ... Atomic Number and Mass Number 原子序和质量数 Isotopes 同位数 Relative Isotopic Mass 相对同位素质量 ...

环境同位素

...ell Model (MCM) ,提供水文化学以及环境同位素isotopes)在水中的平衡模式,会对於水文系统造成的流动模式研究。

同位素体化合物

Index 索引 ... Organometalics 有机金属材料 Isotopes 同位素体化合物 Gases In Disposable Cans 喷气式罐装气体 ...

1
The company has not yet been able to determine the source of those leaks, and confirming the isotopes' exact levels could take much longer. 核电站至今依旧没能找到泄露的源头,而确定同位素的确切含量也要花更多的时间。
2
I'm digging on the isotopes, this metaphysics shit is dope, and if all this can give me hope, you know I'm satisfied. 我在吸食同位素,这种形而上学的狗屎是毒品,如果这些能给我希望,你知道我很满意。
3
Yet Australia has problems of its own with its single, albeit newish reactor, and has recently been importing isotopes from South Africa. 尽管澳大利亚唯一的反应堆还是较新的,但仍存在不少问题,最近澳大利亚一直在从南非进口同位素。
4
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons. 一种重且有毒的银白色放射性金属元素,有许多同位素,用于核燃料和核武器中。
5
On my 12th birthday, I really wanted a titanium centrifuge so, you know, I could separate radioactive isotopes. Of course. 我12岁生日的时候,我非常想要一个钛离心分离机,这样,我就可以分离放射性同位素了。当然。
6
He said a heavy-water reactor is inappropriate for producing medical isotopes as Iran claims is its intention. 他说,伊朗声称建设重水反应堆是为了生产医用同位素,但重水反应堆并不适合于生产同位素。
7
Depending on the nature of this event, the proportions of the different isotopes of any given elements are somewhat different. 基于这种特性,特定元素的同位素比例会有些许不同。
8
None of the xenon isotopes we measured were the direct result of uranium fission. 我们所测量到的氙同位素,根本都不是直接由铀的核分裂而来。
9
So those living close to the sea, or in corridors suffering frequent storms, will tend to absorb more of the heavy isotopes in their hair. 所以那些住在海边、或者在暴风雨频发的狭长地带的人的头发会含有更多的重同位素。
10
All of the evidence points toward a conclusion that the sun is "communicating" with radioactive isotopes on Earth, said Fischbach. 所有的证据都指向了太阳正在和地球上的放射性同位素进行“通讯”的结论。
11
The analysis of these skeletons detected no statistical variation between the isotopes in male and female bones. 李查兹与皮尔森分析这些人骨的同位素含量,没有发现两性有统计变异。
12
Then, there would be steam explosions spreading some isotopes into the outside environment AND potentially contaminate the water table. 然后,将有蒸汽爆炸蔓延到外面的环境的某些同位素和潜在污染地下水。
13
Currently, we must import all our nuclear isotopes because we're not allowed to use any of our own. 而到今天,因为不允许使用我们自己的核同位素,我们不得不全部从国外进口。
14
That water signature is in the form of oxygen isotopes, atoms of oxygen with different numbers of neutrons. 这种水的特质以氧的同位素的形式来体现(这里的同位素是指中子数不同的氧原子)。
15
The rocks contain only tiny amounts of the lead isotopes normally used to date rocks and are contaminated with lead dust from Earth. 岩石中含有通常用来确定岩石日期的铅同位素,可是它已被来自地球的微量铅尘所污染。
16
Polystyrene-divinylbenzene (SDB) is an important hydrophobic catalyst in gas-liquid exchange reactions to separate hydrogenous isotopes. 聚苯乙烯-二乙烯基苯(SDB)是氢同位素分离技术中气-液交换反应重要的疏水催化剂载体。
17
Or they may move into the area of health physics to help physicians to find new ways to use atomic isotopes to diagnose and treat disease. 他们也能进入保健物理学领域,帮助内科医生运用原子核素找到诊断和治疗疾病的新途径。
18
Mr Abreu's team found that production of these isotopes peaks when the sun is inactive and more cosmic rays hit the Earth. 阿布鲁的科研组发现,当太阳处于休眠状态,有更多宇宙射线照射到地球上的时候,这种同位素的数量达到最高值。
19
Howard: They were injecting rats with radioactive isotopes and one of the techs got bit. 霍华德:他们给老鼠注射了放射性同位素,但其中的一名技术员被咬了。
20
In the early 1990s it became clear that, due to growing demand, a new source for isotopes had to be found. 20世纪90年代初期,由于发展的需要,人们不得不去寻找生产同位素的新渠道。
21
Water chemistry and isotopes of groundwater and surface water samples, and those of soil moisture profiles in particular, have been studied. 近年来,许多中外学者应用天然水样及土壤水分的水化学、同位素等技术手段研究了该地区地下水补给及环境演化。
22
The oxygen and carbon isotopes in biogenic carbonate have been extensively used in paleoclimate and paleoenvironment studies. 生物壳体碳酸盐的稳定氧、碳同位素已经被大量地应用在古气候、古环境研究中。
23
They looked at how the ratios of oxygen isotopes locked in the corals' carbonate skeletons varied month by month as the colonies grew. 他们研究了珊瑚碳酸盐骨骼中留存的氧同位素比例随珊瑚的生长逐月发生变化的情况。
24
Isotopes could also be used in pet food or as a means to protect workers or soldiers from radiation. 同位素也可以用于宠物食品或者作为保护工人或者士兵免受放射。
25
A large number of radioactive isotopes among the heavy elements are of three series. 重元素中的大量放射性同位素分别属于三个系列。
26
However, some of the minerals contain xenon isotopes unlike those usually produced by radioactive decay of uranium. 然而,有些含氙同位素的矿物并非如此,是由铀的放射性衰变产生的。
27
Isotopes are forms of a chemical element whose nuclei have the same atomic number, Z, but different atomic masses, A. 同位素是指原子核包含的质子数相同而原子质量不同的化学元素。
28
With this shortage of medical isotopes looming worldwide, other countries have begun to act. 随着医用同位素短缺的危机蔓延全球,其他国家开始展开行动。
29
The results indicate that the concentrated effect is obvious by electrolysis-distillation process on the separation of hydrogen isotopes. 实验结果表明,电解-精馏级联分离氢同位素有明显的浓集效应。
30
Now, a team has attempted to solve the mystery by comparing the ratio of two isotopes, or forms, of chlorine in lunar and terrestrial rocks. 目前,一个研究小组打算通过对比月球和地球岩石中氯的两种同位素,或两种形式的氯来解决这个疑团。