Surveys suggest that it consists of at least 240m tonnes at a purity of 2. 3%, which would make it a world-class deposit.
勘测表明它包括至少240百万吨纯度2.3%的铜，这将使其成为一座世界级的铜矿。And the technology is in low temperature, the available composition is not easy to damage, and the product has the high purity.
同时本发明工艺过程中温度较低，有效成分不易破坏，从而易于后处理工艺，产品的纯度高。Researchers do not know, however, the physical state of this material, its exact composition, purity or accessibility.
不过，研究人员并不知道这些物质的物理状态，确实的组成，纯度和如何取得。The catalyst vendors came out with a catalyst incorporating a low surface area, high purity alumina carrier.
催化剂出售商供应了一种具有表面积小，纯度高的氧化铝载体催化剂。Which of the purification procedures used for this enzyme is most effective (i. E. , Gives the greatest relative increase in purity)?
此酶纯化过程中哪步最有效？（即纯度相对增加最大的步骤）。The street price in the United States does seem to have risen, and the purity seems to have fallen, over the past year.
去年美国毒品街头价格好像上升了，而纯度下降了。The heat sink of lamp is made of stretched aluminum, with its reflex housing made of stretched high-purity anodized aluminum plate.
灯具散热器结构为铝拉伸型材，高纯度阳极氧化铝板拉抻反射罩。Objective: Since the uveitis pathogenic active of S-antigen is in relation to its purity, isolation of the antigen is extremely important.
目的：视网膜S抗原的致葡萄膜炎活性与其纯度呈正相关，所以S抗原的纯化尤为重要。Hydrolysis of chlorosilanes in an oxygen-hydrogen flame, produces a fine, amorphous white powder of very high purity.
水解氯硅烷中氧氢火焰，生产罚款，无定形的白色粉末纯度非常高。