The bronze medals are largely copper because burnished bronze and gold are similar in color, and the mint did not want any confusion as to which medal an athlete receives. 铜牌主要是铜,因为铮亮的青铜和金在色彩上很相近,再说,铸币厂也不希望在给哪位运动员办法哪枚奖牌的事上产生混乱。
Her skin was a light red, almost a copper color. 她的皮肤是淡红色的,接近古铜色。
Colour fastness to iron and copper in dye bath a color ranging in various industries from moderate yellowish pink to grayish yellow. 耐染浴中铁和铜色牢度在不同工业中从柔和的黄粉色到灰黄色的色彩。
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;
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
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
Traditional methods for evaluating the copper sheet corrosion result have some limitations and drawbacks. In this paper, the evaluation software for evaluating copper sheet corrosion result has been developed, according to HIS color model of the digital image processing. 传统铜片腐蚀结果评定方法存在着一定的局限性与不足,基于数字图像处理的HIS彩色模型,开发了铜片腐蚀试验结果评价软件。
The Experiment Argument of the Metals Copper Color 金属铜颜色的实验论证
There are a lot of uses of copper alloy particles with golden color as material of imitating gold decoration, the production of oil varnish and the melting of alloy. 黄金色铜合金粒子在仿金饰品和材料、油漆生产以及合金熔炼上有多种用途。
Mainly through the edition of the copper, production process, color printing, etching technology instruction and the unique language charm shaped in casually. 第二部分具体探讨了铜版画创作中独特艺术语言的魅力,主要通过对铜版的版性、制作过程、色彩印刷、技术语言以及腐蚀技术中偶然肌理的独特语言魅力进行了论述。
In present, there exist some problems for electroless plating on wood, such as toxic reducing agent in copper plating on wood, high cost of activation process, and monotonous color of the coatings. 目前,木材化学镀尚存在镀铜还原剂的有毒性、活化工艺成本过高及镀层颜色单一等问题。