Shunzhi TongBao composition of red copper seventy percent, and thirty percent of white brass.

顺治通宝的成分红铜七成，白铜三成。

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It is shown that in certain extent, the composition gradient of the brass coating has great effect on the adhesion between steel cord and rubber.

结果表明，在一定范围内，镀层成份梯度(化)钢帘线与橡胶粘结力有显著影响。

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The brass panels are cool to the touch and its high-end composition feels substantial in the hand, enabling simple and intuitive handling.

ENGADGET: Pentax launches brass-bodied MX-1 point-and-shoot: 12MP with 4X zoom (update: now with hands-on photos)