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- The calculation of purity for V Ti bearing magnetite is discussed,and the purity index can be used to evaluate dressing result. 讨论了钒钛磁铁矿提纯度的计算方法，可采用提纯度指标对选矿的选别效果进行正确的评价。
- If the master says the crow is white, the servants must not say 'tis black. 主人若说乌鸦是白,仆人不该说它是黑。
- Polycrystalline Black Ceramics for Infrared Heating 多晶矿化黑陶瓷红外辐射材料的研制和应用
- Influences of main parameters such as composition of electrolyte and electrical parameters in preparing black ceramic coating by microplasma oxidation on ADC12 aluminum alloy were studied. 研究了ADC12铝合金表面微等离子体氧化法制备黑色陶瓷膜的电解液成分和电参数等对膜层性能的影响。
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- 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。
- Váti 瓦蒂
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动，驶进了车流。
- 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。
- Black and white show a striking contrast. 黑和白形成明显的对比。
- 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。
- Jim staked all his money on the black horse. 吉姆把所有的钱都押在那匹黑马上了。
- During the war we had to black out all our windows. 战时我们必须用黑布遮着窗口以免透光。
- My brother is the black sheep of the family. 我弟弟是我们家的害群之马。
- There exist large Au, Cu, Pb-Zn, Ni, rare metals, rare earth, Sn, Mo, V, Ti, W and some other types of ore deposits. 具有大型、超大型规模的矿产为金、铜、铅锌、镍、稀有金属、稀土金属、锡、钼以及钒、钛、钨等。
- The lorry skidded on a stretch of black ice. 货车在薄冰路面上打滑。
