查询词典 isotopes

Signal intensity and system blank of five argon isotopes obtained indicate that the system blank level adopted by the authors is low enough to get a reasonable isochron age for single mineral grains frown Mesozoic or older samples.

获得的5个氩同位素空白本底水平表明，本系统已经完全具备对中生代或更老的地质样品进行单颗粒全熔法等时线定年的能力。

With the improvement of analytical methods and the development of thermal ionisation mass spectrometry and multiple-collector inductively coupled plasma mass spectrometry, the researches on geochemistry of non-traditional stable isotopes have made tremendous progress in the past ten years.

随着表面热离子质谱和多接收器电感耦合等离子体质谱(MC- IC P-MS)的广泛应用以及同位素分析方法的改进，近10年来非传统稳定同位素（Cu、Zn、Fe、 Se、Mo、Cr、Hg等）的研究得到迅速发展。

The evidence comes in the form of specific isotopes of elements 116, 114 and 112, which are created when element 118 decays.

证据来自第 116、114 和 112 号元素的特定同位素，它们是在第 118 号元素衰变时被创造出来的。

Stable isotopes of carbon and sulphur are fractionated during cycling between surface reservoirs and geological reservoirs.

碳、硫在表层储库和地质储库以不同的形式相互转换，在这个过程中都伴随着一定的同位素分馏。

The vibration energy or the electronic and vibration entropy of the gaseous molecules are approximately used as the energy or entropy of the solid. In this approximation, thermodynamic functions 、、 and hydrogen isotopes equilibrium pressure of the hydrogenating reaction have been calculated .Then we can fit the relations between temperature and equilibrium pressure.

在ZrH2的E和S的过程中，以气态分子总能量中的振动能EV代替该分子处于固态时的振动能量E，以电子和振动熵SEV代替分子处于固态熵的近似方法，计算了不同温度下金属Zr与氢同位素反应的，和以及氢化反应平衡压力，并导出了氢化反应平衡压力与温度的关系。

While industrial lasers today are most often used for cutting , welding , rilling and measuring , the laser's light can be put to a much different use : separating isotopes to produce nuclear fuel.

虽然今天的工业激光器最经常用于切割、焊接、钻孔和测量，但激光可以用于与此迥异的用途：分离同位素以生产核燃料。

The iron isotopic composition lightly from hydrothermal fluid upwelled into ocean, BIFs are enriched in heavy isotopes of Fe by partial oxidation and precipitation, and iron isotopic composition was homogenous and reequilibrium during different minerals by metamorphism.

提出了地球早期海洋中Fe的循环模式：洋中脊喷发富集Fe轻同位素的二价铁热液流体，流体进入海洋后经过部分氧化和沉淀的过程使得BIF富集Fe的重同位素，后期的变质作用使得不同矿物间发生了Fe的均一化及再平衡

Many elements in nature are found to be mixtures of different isotopes.

人们发现，自然界的许多元素都是不同的同位素的混合物。

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）。

That water signature is in the form of oxygen isotopes , atoms of oxygen with different numbers of neutrons.

通过对牙齿中氧同位素的分析，我们就可以判断出你出生地的纬度和海拔。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。