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- copper chromite black 亚铬酸铜黑
- Keywords waste copper chromite catalyst;oxidative -sodiumionized calcinate;copper oxide;back slag; 亚铬酸铜废催化剂;氧化-钠化焙烧;铬盐回收;氧化铜;返渣;
- seed Oils: 1l[.The Effect of Pressure when Using Copper Chromite Catalysts[J). J. 于岚,王华,张风英,等.;食用油脂稀土催化剂的研制
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色?
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪,向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- Copper and gold are both metals. 铜和金都是金属。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动,驶进了车流。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- I have a snag in my best black tights. 我最好的一条黑裤袜给划破了。
- He fell down the stairs and was all black and blue. 他从楼梯跌下而青一块紫一块了。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色?
- Black and white show a striking contrast. 黑和白形成明显的对比。
- copper chromite catalyst 亚铬酸铜催化剂
- She buy a black nightie to wear on her honeymoon. 她买了一件黑色睡衣准备在蜜月时穿。
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币