当FG与亚铬酸铜组合使用时,可在提高推进剂燃速的同时大幅度地降低燃速压强指数。
When FG and YB are incorporated, they may obviously reduce the pressure exponent of HTPB propellant as well as enhancing the burning rate.
以铬化砷酸铜(CCA)为代表的水载型防腐剂,逐渐被其他主要有效成分为铜的水载型防腐剂取代,这类防腐剂中的。
Arsenic and chromium based water-borne preservatives, especially CCA (chromated copper arsenate), have been partly replaced by some copper based preservatives.
分别用混合酸湿法消解和微波消解两种方法处理鱼虾样品,用原子吸收法测定样品中铜、锌、铅、镉、铬的含量。
TO Detect Cu, Zn, Pb, Cd, cr in fish and shrimp With Microwave Digestion and Wet Digestion by AAS.
分别用混合酸湿法消解和微波消解两种方法处理鱼虾样品,用原子吸收法测定样品中铜、锌、铅、镉、铬的含量。
TO Detect Cu, Zn, Pb, Cd, cr in fish and shrimp With Microwave Digestion and Wet Digestion by AAS.
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