trace element

The investigation on non-metallic inclusions was made by adding different tracer elements into ladle slag,tundish flux and tundish lining.

通过在炼钢和连铸过程的各个阶段加入不同的示踪元素,采用金相观察、大样电解、电子探针及扫描电镜等多种方法对邯钢CSP流程低碳铝镇静钢中非金属夹杂物行为进行了调查研究,找出了夹杂物的来源、数量及分布的变化规律。

The investigation of non-metallic inclusions was made by adding different tracer elements into ladle slag, tundish flux and tundish lining.

通过在炼钢和连铸过程的各个阶段加入不同的示踪元素,采用全氧分析、金相观察、大样电解、电子探针及扫描电镜等多种方法对邯钢CSP流程低碳铝镇静钢中非金属夹杂物行为进行了调查研究,找出了对夹杂物的类型、来源、数量及尺寸大小在不同工序的变化规律,提出了改善薄板坯洁净度的建议。

A review on the determination of trace elements in cigarette smoke;

卷烟烟气中微量和痕量元素研究综述

Geochemistry of trace elements in coal from North Shanxi Province to North Ningxia Huizu Autonomous Region;

晋北-宁北煤中痕量元素的地球化学特征

Determination of trace elements in copper-zinc alloy by ICP-MS;

ICP-MS测定铜锌合金中痕量元素

Determination of trace elements in high-purity nickel by inductively coupled plasma mass spectrometry with microwave digestion;

微波消解-电感耦合等离子体质谱法测定高纯镍板中痕量元素

Effect of gasification pressure on the occurrence of trace elements;

气化压力对煤气化过程中痕量元素迁移规律的影响

Determination of trace elements in steel, nickel-base alloy and zircaloy using time of flight inductively coupled plasma mass spectrometry;

飞行时间-电感耦合等离子体质谱法测定钢、镍基合金及锆锡合金中痕量元素(英文)

The pore velocity is the velocity with which a tracer moves through a porous medium.

孔隙速度是示踪元素穿过孔隙介质的速度。

STUDIES ON AEROSOL CHEMISTRY IN THE ATMOSPHERE OVER OCEANS Ⅱ. CHARACTERISTICS OF SOURCE ELEMENTAL TRACERS

环球海洋大气气溶胶化学研究 Ⅱ.来源示踪元素的特征

Application of Element and Lead Isotope Tracing to the Sources of Lead Pollutants in Environment

元素-铅同位素示踪环境中铅污染物来源的研究

Trace elements analysis for the provenance of copper minerals of ancient bronzes

微量元素示踪古代青铜器铜矿料来源的可行性

The Investigation on the Process of Black Soil Eroding by Using Rare Earth Element Trace Method;

稀土元素示踪法对黑土侵蚀过程的应用研究

A Study on the Experiment of Searching Source of Bronze Material with Trace Elements;

利用微量元素示踪青铜器矿料来源的实验研究

Application of Element and Lead Isotope Tracing to the Migration of Thallium in Soil from Yunfu Pyrite Mine;

云浮硫铁矿区土壤中铊迁移行为的元素—铅同位素示踪研究

Application and Development of Trace Element Analysis in Identifying Sources of Bronze;

微量元素示踪法在青铜器铜料来源研究中的应用与进展

Provenance-tracing of Turquoise in Northwest Hubei Using Rare Earth Elements

利用稀土等微量元素示踪鄂西北一带古代绿松石的产地

Manganese in reservoir calcite cement and its implication for tracing oil migration in Junggar Basin

准噶尔盆地储层中的锰元素及其原油运移示踪作用

Determination of Rare Earth Elements in Inter-well Tracers by Inductively Coupled Plasma-Mass Spectrometry

电感耦合等离子体质谱法测定井间示踪剂中稀土元素

radioisotope tracer

放射性同位素示踪剂

radioactive tracer

放射性同位素示踪器

distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions.

用放射性同位素或不寻常质量的同位素使元素或原子显示运动踪迹。

Element and lead isotope tracing to the thallium pollution in soil profiles from a thallium-containing slag pile site in a sulphuric acid plant in Yunfu city, Guangdong Province

广东云浮含Tl硫酸冶炼堆渣场土壤Tl污染的元素-Pb同位素示踪研究

isotopically tagged

同位素示踪的, 同位素标记的

Study of PAM Effects on Infiltration and Erosion Control and Erosion Processes Tracing with REE;

PAM增加入渗减少土壤侵蚀及稀土元素示踪土壤侵蚀过程的试验研究

REE Characteristics of Core Q43 Sediments from Outer-shelf of East China Sea and the Provenance Indicating;

东海外陆架Q43柱样沉积物稀土元素地球化学特征及其物源示踪意义