chemical element

We must include this chemical element in the group .

我们必须使组里包括这种化学元素。

Contrast Study on Quality Control Schemes in Soil Sampling and Chemical Element Analysis

土壤样品采集和化学元素分析全过程质量控制比较研究

Lead is a chemical element that can be used in building construction .

铅是一种化学物质，可以作为建材使用。

It is the discovery of a new chemical element .

它是一种新化学元素的发现。

Zinc is a chemical element which is very important to our health .

锌是一种对人体健康很有益处的元素。

The establishment of the modern conception of a chemical element

近代化学元素概念的建立

Making different patterns , each pattern stand a distinct chemical element .

每一类都有不同的化学性质。

Chemical element analysis of bronze age human femurs in China

中国甘肃酒泉青铜时代人类股骨化学元素含量分析

The Chemical Element Repairs to Add the Calculator Application the Software

炉前元素补加的计算机应用软件

Determination of the chemical element for red panda 's hair and blood

小熊猫毛发和血液化学元素的测定

So they represented this chemical element with a solar symbol .

所以他们用太阳符号来代表这种化学元素。

Gold and the related chemical element background contents in East Hunan and its evolution

湘东地区金与相关元素的背景含量及其演化

Analysis content on the amino acid , vitamin and chemical element of cerebral cell active factor

脑细胞激活素中氨基酸、维生素和化学元素含量分析

A common sense , human body is also made up of chemical element is introduced in this paper .

本文介绍了人体也是由化学元素组成的这个普通道理；

The chemical element contents in tree rings and the dynamic changes of the surroundings

树木年轮元素含量与环境演变

Analysis of the Relation Between Essential Chemical Element and the Hemoglobin Density in Children 's Blood

儿童血液必需元素与血红蛋白浓度的相关分析

A chemical element is represented by a symbol .

化学元素用符号来表示。

Chemical element abundances in the earth and it 's major shells

化学元素的地球丰度

Discussion of the Periodicity of Chemical Element Behavior in Pacific Ocean Waters

论太平洋水体中元素行为的周期性

A chemical element lacking typical metallic properties .

缺少典型的金属特性的化学元素。

Fluoride , which is closely related to human health , is the trace chemical element .

氟是与人体健康密切相关的微量化学元素。

Studies on amino acid and chemical element in five species of filariae

五种丝虫的氨基酸与化学元素

Of or relating to or containing the chemical element tellurium .

属于、关于或包含化学元素碲。

Sort of chemical element in agriculture ecology and the relation with high grade and yield crop

农业生态的化学元素分类及其与作物优质高产的关系

Chemical Element and Chemical Formula of Synthetic Spinel

合成尖晶石的化学成分及晶体化学式

A discussion on quantitatively determining chemical element mobility of rock-weathering process

关于岩石风化过程中化学组分迁移的定量研究方法

Relationship between serum chemical element and endemic fluorosis

血清化学元素与地方性氟中毒的关系

Transition element Any chemical element with valence electrons in two shells instead of only one .

过渡元素及其化合物：价电子处在两个壳层而不是一个壳层里的任何化学元素。

Relationship between Tricholoma matsutake Circle spreading and Chemical Element Contents in Soil

松茸圈扩散与土壤化学元素含量之间的关系

Uranium is a chemical element .

铀是一种化学元素。