copper color

The cladding materials of the moving and fixed contacts shall be homogeneous, without exposed copper and color change;

动、定触头镀层均匀，无露铜、无变色；

By using of trioctylamine to extract and seperate from interference ions, the Cu2+-5-Br-PADAP-OP color system was applied to determine micro copper in polyolefine, Al2O3 carrier and reforming catalyst.

以正三辛胺萃取分离干扰离子，采用2-（5-溴-2-吡啶偶氮）-5-二乙氨基酚（5-Br-PADAP）-OP显色体系测定了聚烯径、氧化铝载体及重整催化剂中微量铜。

The Experiment Argument of the Metals Copper Color

金属铜颜色的实验论证

Her skin was a light red, almost a copper color.

她的皮肤是淡红色的，接近古铜色。

Study on making technology of copper particles with golden color

黄金色铜粒子制取技术的试验研究

His face 44, what there red copper color below sunshine is smooth.

他的脸四四方方, 阳光下闪烁着紫铜色的光.

Discussion on Reason of Surface Color Change for Bright Copper Rod

光亮铜杆表面变色原因探讨

The cloud-mussed sky turned a vague copper color.

堆满乌云的天空现出一种混沌的紫铜色.

What color is copper sulphate solution?

硫酸铜溶液是什么颜色?

Photometric determination of trace amounts of copper by the color fading reaction of Eriochrome Blue Black R

依来络兰黑R褪色光度法测定痕量铜