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- lead zinc and copper deposit 铅-锌-铜矿床
- An alloy of zinc and copper used as imitation gold. 铜锌合金作为仿金品使用的铜锌合金
- Brass is an alloy of zinc and copper. 黄铜是锌和铜组成的合金。
- Brass is an alloy composed of two metals, zinc and copper. 黄铜是由两种金属锌和铜所组成的合金。
- Zinc and copper handle with copper head,rubber ring. 锌合金,铜手柄,铜镀铬环绕橡塑叩诊头。
- Objective To study the effect of lead, cadmium, calcium, zinc and copper on children's intelligence quotients (IQ) and to analyze their relationship. 摘要目的研究血铅、镉、钙、锌、铜5种元素对儿童智力的影响及其关联程度。
- We think this is because we have more zinc and copper in contact with the acid in the tub cell than in the lemon cell. 我们认为这是因为与柠檬电池相比在盆电池中有更大面积的锌和铜与酸接触。
- Vitamins C and E, beta-carotene, bioflavonoids and trace minerals such as selenium, zinc and copper are immune-boosting nutrients. 维生素C及E、胡萝卜素、生物黄酮类和微量和微量无机物如硒、锌、铜等均是增强疫能力的营养素。
- But in the mineral such as kalium, zinc and copper, honey has higher nutrition than suger. 不过,在钾、锌和铜的含量方面,蜂蜜的营养价值比糖高。
- Solomons NW.On the assessment of zinc and copper nutrition in man. Am J Clin Nutri 1979; 32(4):133. 桂留中.;锌的药理作用及其临床应用
- Based on the investigations of geological characteristics of the gold and copper deposit in Shuimogou, the metallogenic law of such a deposit can be summarized as follows. 通过对昭苏水磨沟铜金矿床矿化特征的研究,总结出这类矿床的成矿规律是:下石炭统大哈拉军山组中酸性火山岩是矿源层;
- MURTHY L,PRASAD k Interrelationships between zinc and copper nutrition in the rat[J].Nutrition,1974,104:1458. 张婉如.;日粮含铜量对生长猪血浆的几种微量元素浓度及酶活性影响的研究[J]
- The change of zinc and copper in rabbit and rat's serum before and after magnetizing is studied with AAS. 用AAS法研究了加磁前后的家兔和小鼠血清中锌、铜含量的变化。
- In this study, degradated and hydrophilized larch tannin was used to prepare water soluble chelates with iron, mangnese, zinc and copper ions. 落叶松单宁经降解及亲水化处理,与铁、锰、锌、铜离子反应制备出水溶性螯合物。
- The content of hair zinc and copper of 52 cases of children with anorectic was determined by atomic absorption spectrophotomery . 用原子吸收分光光度法测定了52例厌食症儿童头发中锌、铜的含量。
- The company wants to add Falconbridge's nickel production to its existing portfolio, which includes coal, zinc and copper. 斯特拉塔希望将鹰桥的镍生产业务,添加到公司现有的业务组合中。该组合包括煤炭、锌和铜。
- Results: Before the treatment the contents of iron, zinc and copper elevated while the contents of manganese, selenium, chromium, cobalt, nickel, vanadium and moly... 结果:治疗前铁、锌、铜含量升高,而锰、硒、铬、钴、镍、钒、钼的含量降低;治疗后铁、锌、铜、锰、钴含量明显降低,而硒、铬、镍、钒、钼均出现升高。
- MTs have been shown to associate with high affinity with many metal ions, notably cadmium, zinc and copper, all of which are significant environmental pollutants. 已经证实了MT与许多金属离子有很高的亲和力,如镉、锌、铜,这些都是环境中主要的重金属污染。
- Yinshan lead zinc deposit lies in the Presinian strata.The ore bodies occur in phyllite,are controlled by fault. 银山铅锌矿床产于前震旦系地层中,容矿围岩主要为千枚岩,矿体呈脉状受构造裂隙控制。