锡的

Is that box made of tin or steel?

这个盒子做的做的?

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

浅的绿蓝色颜料，主要由钴和的氧化物组成。

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、三丁基和三苯基的气相色谱-质谱(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、抗腐性的表面和可焊接性。

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.

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