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- A valuable silver ore, Ag2S, with a lead - gray color and metallic luster that is often tarnished a dull black. 辉银矿一种有价值的银矿，Ag2S，银灰色，具金属光泽，常失去光泽而成为暗黑色
- A valuable silver ore, Ag2S, with a lead-gray color and metallic luster that is often tarnished a dull black. 辉银矿一种有价值的银矿，Ag2S，银灰色，具金属光泽，常失去光泽而成为暗黑色
- Abstract: Shanmen Silver ore field is geotectonically located in the south part of Daheishan rise in Changbai mountain umbo within the active continental margin to the east part of Eurasia plate. 山门银矿床是产在大黑山断隆南段的大型银矿床,本文通过对山门银矿床地质特征的全面分析,总结出该区的主要控矿因素,认为构造岩浆活动是最主要的控矿因素。
- Autoradiography indicats that the black silver granules of IN distribute in cell membrane, plasm and nucleaus, after injection IN 12h,the average quantities of silver granules are higher than 41u 7h, 24h and 36h. 放射自显影结果显示,在肿瘤细胞的细胞膜、细胞浆及细胞核均有黑色的银颗粒分布,且在用药后12h时肿瘤组织中的平均银颗粒数目要高于4h、7h、24h、36h。
- Keywords oxide ore;silver ore;subsieve size; 氧化矿;银矿;微细粒;
- Silver ore concentrate in flotation 浮选银精矿
- New Rare Black Silver s. T. Dupont lighter 精品稀少的黑和银色都彭打火机
- His black hair was threaded with silver. 他的黑发中夹杂着银发。
- a valuable silver ore,Ag2S,with a lead-gray color and metallic luster that is often tarnished a dull black 辉银矿，一种有价值的银矿，Ag2S，银灰色，具金属光泽，常失去光泽而成为暗黑色
- a valuable silver ore consisting of silver sulfide (Ag2S) 一种贵重的银矿，由硫化银组成(AgS)
- Surveying of Tailing Flow Rate of Silver Ore Field in Pingguo Mine 平果铝土矿银矿区尾矿流量的测量
- Floatation of a Silver Ore with High Content of Lead and Zinc 某含铅锌银矿浮选工艺研究
- a valuable silver ore consisting of silver sulfide (Ag2S). 一种贵重的银矿，由硫化银组成，（AgS）。
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- Keywords silver ore;gold ore;manganese oxide;arsenopyrite leaching; 银矿;金矿;氧化锰;毒砂;浸出;
- 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。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动，驶进了车流。
