锡的

Is that box made of tin or steel?

这个盒子是做的还是铁做的?

An impure oxide of cobalt, used to produce a blue color in enamel and in the making of smalt.

浅的绿蓝颜料，主要由钴的氧化物组成。

Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.

建立水产品中三丙基、三丁基三苯基的气-质(GC-MS)分析方法。

The lead content gives terneplate a dull appearance, a noncorrosive surface, and solderability.

铅的融入使镀铅钢板具有暗淡的外观、抗腐性的可焊接性。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫酸铜、硫酸亚、络合剂、稳定剂等组成的溶液中,可以置换镀覆不同质量分数的铜- 合金镀层,其工艺可替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。