铜的

Meanwhile, the concentration of Pb,Zn and other heavy metals is rather high in the oxidation zone and decreasesdownward to levels that are unbelievably low for Pb-Zn mine tailings. Theseobservations suggest that heavy metals should be re-immobilized by secondaryminerals, rather than primary minerals, in the oxidation zone, and could be leachedout from suboxic environment due to low rate oxidative dissolution which preventsthe precipitation of secondary minerals in significant amount. Thus, cover scenarioswhich establish a suboxic environment beneath the cover layer might not always beeffective in preventing heavy metal release from mine tailings.Sequential extraction studies indicate that, in addition to heavy metal leaching,oxidation of the mine tailings increased the mobility of residual Zn, and Cu, while Pb remains immobile due to the formation of anglesite (PbSO4). Using the seven-step extraction technique developed by Dold (J. Geochem. Explor., 2003, 80: 55-68), galena dissolves in significant amount at step 2 most probably due to the strong complexing of Pb2+ by acetate, while other metal sulfides dissolve at step 6, which suggest that this extraction technique could not be used to evaluate the mobility of lead in natural environment

重金属含量均低于新鲜尾矿，但以硬化层中的含量最高(Pb、Zn含量分别为0.47%和0.93%)，往下大幅度降低，表明尾矿风化过程中形成的次生矿物对Pb、Zn等重金属元素有较强的固定作用，而次氧化带的淋溶作用造成了金属元素的大量流失；(4)与新鲜尾矿相比，硬化层中铅的可迁移性大大降低，硬化层之下尾矿样品中铅的可迁移性也不同程度降低，这是由于硫化物氧化产生的硫酸根与尾矿中的铅反应形成铅矾(PbSO_4)的缘故；(5)氧化作用使尾矿中的zn、Cu等重金属的可迁移性不同程度地增大，其中对锌的可迁移性影响最大，铜的可迁移性与铁比较相似，铅则容易与硫化物氧化形成的SO_4~(2-)反应形成铅矾(PbSO_4)；(6)为了减少尾矿污染和修复矿山环境，人们提出了各种不同的尾矿覆盖方案，本文的研究结果表明，这些方法不一定能够有效地阻滞污染元素的迁移。

Contact us to our sales department for Exclusive Range of . Copper sinks, Copper Vessel sink, Copper kitchen sink, Copper Bathtub, Cast Bronze sink, cast Bronze Vessel sink, Cast Bronze Kitchen sink, Cast Bronze Bathtub, Brass sink, Stainless steel sink, Stone sink/ bathtub, Glass wash basin, wooden sink , Bird bath, Copper Mail Box, Copper range Hood, Copper Fire Palace, Copper Photo Frame. Mirror Frame,Switch Plate, Rugs, Bronze Resigeter, Candle stand, Table lamp, Hurricane Lamp, Lantern, Candle Holder, Coffee table, Table ware, E.P.N.

请联系我们的销售部门，获得如下详细产品范围：铜水池、铜台面盆、厨房铜水池、铜浴缸、铸青铜水池、铸青铜台面盆、铸青铜厨房水池、铸青铜浴缸、黄铜水池、不锈钢水池、石水池/浴缸、玻璃盥洗池、木质水池、鸟澡盆、铜信箱、铜吸油烟机、铜壁炉、铜相框、镜框、开关面板、地毯、青铜寄存器、烛台、台灯、防风灯、提灯、烛架、咖啡桌、餐具、E.P.N.S器皿和其他手工艺品等。

The mian works are as follows:(1)By coprecipitation technique and coprecipitation- gel technique the nano zirconia powder was produced, factors affecting the properties of nano zirconia powder such as pH and the content of stabilizator are analyzed;(2)By the new pressless sintering process, the nano zirconia ceramic was produced, factors which can affecting the properties of nano zirconia sinter body such as moulding press and the sinter temperature are analyzed;(3)By the microtherm pressless sintering process, the nano copper added functional zirconia ceramic composite was produced, microscopic dimensionality and electric properties of such sinter body and the factors affecting such sinter body are analyzed;(4)By the self-invented "external albumen coating" technique the zirconia powder was successfully coated by carbon in the corresponding sinter body, which can help solve the traditional aggregation problem to some degree;(5)Based on analyze the characteristics in the nano powder sinter process, the "three-ball sinter model" was proposed, for the relationship between the relative density and porosity of sinter body, by mathematical fitting, such model was successfully verified.

本研究比较系统地研究了纳米氧化锆陶瓷的合成与成型机理，特别是讨论了纳米氧化锆陶瓷的稳定性，为防止纳米颗粒在外场作用下的团聚和长大提供了理论基础和实验数据，具体工作有以下几方面：(1)采用共沉淀法和共沉淀-凝胶法制备了纳米氧化锆粉体，并分析了pH值和稳定剂含量对粉体性能的影响；(2)采用新型无压烧结工艺制备了纳米氧化锆陶瓷，并分析了成型压力和烧结温度对烧结体性能的影响；(3)采用低温无压烧结工艺制备出添加纳米铜的功能性纳米氧化锆复合陶瓷，并分析了烧结体的微观尺度和电学性能的变化以及影响因素；(4)通过自创的&鸡蛋清外敷法&在真空镀膜台上对纳米氧化锆粉体进行包敷碳颗粒的表面处理，并采用真空烧结工艺制得相应烧结体，初步开始解决陶瓷烧结过程中团聚长大这一传统难题；(5)通过分析纳米颗粒在制备烧结体过程中的实际特点，提出了&三球烧结数学模型&，通过引入坯体相对密度和孔隙率的相对关系分析并通过自行编写的数学拟合软件，验证了这一数学模型。

And the sockets for the pillars were of brass; the hooks of the pillars and their fillets of silver; and the overlaying of their capitals of silver; and all the pillars of the court were filleted with silver.

017 柱子带卯的座是铜的，柱子上的钩子和杆子是银的，柱顶是用银子包的。院子一切的柱子都是用银杆连络的。

And the sockets for the pillars were of brass; the hooks of the pillars and their fillets of silver; and the overlaying of their chapiters of silver; and all the pillars of the court were filleted with silver.

38：17 柱子带卯的座是铜的，柱子上的钩子和杆子是银的，柱顶是用银子包的。院子一切的柱子都是用银杆连络的。

He saw a great image of a man whose head was of gold, his chest and arms of silver, his belly and thighs of brass, his legs of iron and his feet part of iron and part of clay.

在但以理书第2章中写道，尼布甲尼撒做了一个梦，以里烦乱，他梦到一个人的像，这像的头是精金的，胸膛和臂膀是银的，肚腹和腰是铜的，腿是铁的，脚是半泥半铁的。

The solubility of Cu from Cu oxide, Cu sulfate, tri-basic copper chloride, Cu lysine, and Cu proteinate was determined in deionized water, dilute acid or buffer. Twenty crossbred (Poll Dorset X Small Tail Han-yang) wethers were used to assess the effects of copper sources on concentration of plasma copper in sheep. All sources provided 8 mg of added Cu/kg of DM.

研究主要分三部分进行：(1)选用硫酸铜、氧化铜、碱式氯化铜、赖氨酸铜和铜蛋白盐五种铜源，利用不同溶剂模拟绵羊消化道的不同环境，对各种铜源的溶解性进行分析，并用20只杂交一代羯羊作为试验动物，采用单向分类设计，探讨各种铜源对绵羊血铜代谢规律的影响，各种铜源的铜添加水平均为8mg·kg~(-1)。

All I want is a proper cup of coffee made in a proper copper coffee pot, you can believe it or not, but I just want a cup of coffee in a proper coffee pot. Tin coffee pots or iron coffee pots are of no use to me.

我所想要的就是一杯用正宗的铜的咖啡壶煮的纯正的咖啡，不论你信不信，我只想要用正宗的咖啡壶煮的咖啡，锡壶的和铁壶的对于我毫无用处。

The small-grained spherical copper powder is large in the contact area with the steel base and binds sufficiently and firmly in the process of sintering.

小颗粒球形铜粉与钢基体接触面积大，烧结过程中结合充分、牢固，大颗粒球形铜粉与小颗粒球形铜粉烧结相容性好，结合牢靠，并且大颗粒铜粉之间的间隙大，螺旋铜钉层可进一步加大这个间隙，改性聚甲醛可以深埋在螺旋铜钉及大颗粒铜粉的间隙中，使改性聚甲醛工作更可靠。

With this method the copper plating graphite powder was made up in 50% copper content .The silver- copper plating graphite composite was prepared while the silver- copper-graphite composite and the silver-graphite composite were also made up together .The mechanical and electric characteristics of the three kinds of composites were tested and it was found that the copper plating graphite powder can only optimize the properties of the silver matrix composite under the high content of the graphite ,the conductivity and the mechanical property was improved and the material could take higher current in the same carbon content .At 20% carbon content, the resistivity of Ag-graphite composite was 1.67 times as high as that of silver- copper plating graphite composite, the resistivity of Ag-Cu-graphite composite was 3.23 times as high as that of silver- copper plating graphite composite. The bending strength of silver-copper plating graphite composite was 2.17 times as high as that of silver- copper-graphite composite, and the bending strength was 2.11 times as high as that of silver- copper-graphite composite. The wearability of silver- copper plating graphite composite was also enhanced greatly at high carbon content.

利用该方法制备了50%铜含量的镀铜石墨粉，然后进一步制备了一系列相同碳含量的银-石墨复合材料、银-铜-石墨复合材料、银-镀铜石墨复合材料，对三种材料的机械、电气性能进行了综合对比，发现在低碳含量时镀铜石墨粉不能改善复合材料的上述主要性能，而在中高碳含量时则能明显优化复合材料的整体性能，提高了复合材料的电导率，使复合材料在中高碳含量时既具有较高的耐磨性同时也能负载较大的电流，复合材料的机械性能也因镀铜石墨粉的加入而大幅提高，20%碳含量时，银-石墨复合材料的电阻率是银-镀铜石墨复合材料的1.67倍，银-铜-石墨复合材料的电阻率为银-镀铜石墨复合材料的3.23倍，银-镀铜石墨复合材料抗弯强度是银-铜-石墨复合材料的2.17倍，是银-石墨复合材料的2.11倍，同时，在实验给定的条件下，中高碳含量时银-镀铜石墨复合材料的机械磨损耐磨性和通电磨损耐磨性都得以显著提高，银-镀铜石墨复合材料在实验时的接触电压降也更为稳定。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。