元素

The new kind of controllable power source is a good assistant in energy saving.

一种元素的原子与所有其它元素的原子是不同的。

Trace elements in Herba abri were determined by ICP atomic emission spectroscopy. The result showed that the content of calcium, magnesium, zinc and iron was abundant. The relation between these beneficial elements in body and health were discussed.

用电感耦合等离子体发射光谱仪测定了湛江人工栽培的鸡骨草中微量元素含量，发现其钙、镁、铁、锌等元素的含量都较丰富，并讨论了这些有益元素与人体健康的关系。

Using the atomic absorption law examination essential element copper, the zinc, the calcium, the magnesium, the hard content, the anode dissolves the voltammetry examination toxic element blood lead content, and carries on the comparative analysis with the normal comparison group.

应用原子吸收法检测必需元素铜、锌、钙、镁、铁含量，阳极溶出伏安法检测毒性元素血铅含量，并与正常对照组进行比较分析。

Finite groups of matrices appear early as examples in a first course in abstract algebra, and most of the time these examples are given with integral entries.

矩阵的有限群作为例子最早出现在抽象代数的第一章，通常这些例子中的元素都是以整数元素的形式给出。

To add content to the head element, you must use the head accessor, but you can generally add content to the body element without using the body accessor directly.

要添加的内容头部元素，您必须使用头访问，但通常可以不使用添加机构访问的内容直接对人体的元素。"/页"

However, the spent fuel of the Actinides is a headache for all parties.

这些元素的半衰期(一半的物质因衰变转化为其他元素所需时间)只有几年。

Models of element synthesis during the supernova explosions predict that the abundance ratios of actinides with respect to other stable elements heavier than iron are very sensitive to the environment of the explosion, such as the entropy and the ratios of protons, neutrons and electrons.

模型元素的合成，在超新星爆炸预言的丰度比锕对于其他稳定更重的元素，比铁很敏感，对环境造成的爆炸，如熵和比例的质子，中子和电子。

All are radioactive heavy metals; and only the first four (actinium, thorium, protactinium, and uranium) occur in nature in appreciable quantities. The other 11 are unstable and are produced only artificially.

这些元素都是具有放射性的重金属；仅前四个元素是在自然界中存在的，其余十一个都不稳定且均为人造的。

This paper was focus on Dianshan River which is one of the most important water sources of Shanghai. We study the distribution, speciation and transformation rule of Cu, Cd, Cr, Hg, Pb and As in sedimentary record. In addition, the history of development of industries and agriculture were also taken into account to study the heavy metal pollution history in the study area.

本文以上海的重要水源地——淀山湖为研究对象，通过对研究区沉积物中重金属元素Cu、Cd、Cr、Hg、Pb、As的时空分布规律以及它们在沉积物中随时间或沉积深度的形态分布及迁移转化规律的研究，综合考虑区域工农业发展现状和历史对沉积物中重金属元素含量及分布的影响，对区域重金属污染历史及效应进行分析论证。

In this research, an axisymmetric finite element model of pull-off test for an incompressible elastic layer adhesively bonded with a rigid flat probe was built using ABAQUS.

在本篇研究中，不可压缩之弹性层与平面探头的轴对称有限元素拉拔模型将使用ABAQUS来模拟，而界面的黏著特性则使用黏著元素。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。