黄铜

The composition,structure,thickness and electrical properties of surface chemical conversion film formed on brass in Benzotriazole solution were studied by means of volt ampere method,ellipsometry and X ray photoelectron spectrometry.

利用伏安法、椭圆偏振法和XPS法对黄铜在BTA中形成的表面化学转化膜的成分、结构、厚度及导电性进行了研究。

Brass ; benzotriazole ; chemical conversion film.

黄铜； BTA ；化学转化膜

By means of electrochemical and trace amount analysis techniques the dezincification behavior of α+β biphase brass in a deaerated acidified solution of sodium chloride under condition of continuous introduction of Cu~+ into solution was studied.

本文采用电化学和痕量分析方法，研究了在连续引进铜离子的去氧酸性氯化钠溶液中α+β两相黄铜的脱锌行为。

Made in the USA by long established manufacturer 24K Gold is the highest purity - with a real gold color instead of the brassiness of lower carat numbers.

美国制造厂商建立了长期24K黄金的纯度最高的是-一个而不是较低的克拉数黄铜真金的颜色。

Made in the USA by long established manufacturer 14K Gold is the highest purity - with a real gold color instead of the brassiness of lower carat numbers.

美国制造厂商建立了长期由14K金是最高纯度-一个而不是较低的克拉数黄铜真金的颜色。

The brasswork needs polishing it's badly ''.

那黄铜制品该擦了黑糊糊的。

The brasswork needs polishing it's badly tarnished.

那黄铜制品该擦了黑糊糊的。

C-type burdon tube and brass.

黄铜接头锡焊接。

Materials Conant's vent valves are available in brass, aluminum, and 316 stainless steel.

Conant的放空阀可提供黄铜、铝、316不锈钢材质供选择。

Size: 7.9" x 7.9" x 3.1 - Damier canvas, adjustable textile shoulder strap, terracotta textile lining - Matte brown metallic pieces and golden brass zipper - Zipper opening - Outside flat pocket - Carried on the shoulder or across the body PRODUCT ID: N41442 小号 Olav

手袋线条流畅，拉链开合设计，可放记事本、手机、钱包、钥匙等。尺寸： 7.9& x 7.9& x 3.1 - Damier帆布袋身，布肩带可调整长度，赤土色布衬里-褐色哑光金属配件，金色黄铜拉链-拉链开合-手机袋-外贴袋-肩背或斜背参考： N41442

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。