铜的

The results show that the ingather of tungsten in the composites using internal feedstock injection is higher than that of the composites using external feedstock injection. For the composites using IFI method, the influence of input power on the copper oxidation is not evident, while more and more cuprite (Cu2O) is detected with the increasing of input power for the composites using EFI method. The thermal conductivity of WCu composite is lower than the theoretical value by ROM.

结果表明，在内部送粉条件下，复合材料中钨的收得率要高于外部送粉条件下复合材料中钨的收得率；在内部送粉条件下，功率对铜氧化的影响并不明显；而在外部送粉条件下，随着功率的提高，铜的氧化明显增多；由于氧化物和孔隙等的存在，利用大气等离子喷涂工艺制备的复合材料的导热率远远低于根据混合法则计算的理论值。

Trade of scan widely 3C is inside, such " saliva battles " never come to nothing: For instance, be faced with copper before air conditioning a few years to rise in price when pressure, had appeared " aluminous acting copper " technology, but this is called by the competitor however " black heart copper pipe ", around move copper pipe is true " black heart ", two big group call each other names between public opinion intense; Be like again, sell in chain, the eye looks at global economy crisis to come, chain door storefront faces capital to drop the risk of catenary, a large chain says frankly can close the door store with only store bad beneficial result moderately, another main competitor sees situation give off the rumour that wants reopen inn a hunderd schools however...

放眼3C行业内部，这样的"口水仗"永不落空：比如，空调前几年面临铜涨价压力时，出现过"铝代铜"的技术，但这却被竞争对手称为"黑心铜管"，围绕着铜管是不是真的"黑心"，两大派别在舆论当中对骂激烈；又如，在连锁卖场，眼看着全球经济危机来临，连锁门店面临资金掉链的风险，一家大型连锁坦言会适度关闭单店效益不好的门店，而另一家主要竞争对手见势却放出要再开店百家的风声

The effects, such as the acidity of leaching system, the temperature and the concentration of the sodium chloride, on oxidation and leaching of copper-bearing gold ores were analyzed. The results show that the sequence of sulfide ores oxidized and dissolved are pyrrhotite firstly, sulphide secondly, then chalcopyrite, pyrite lastly.

结果表明：硫化矿的氧化溶解首先是磁黄铁矿，其次是铜的次生硫化矿，再次是黄铜矿，最后是黄铁矿；载金黄铜矿的氧化首先是铁从黄铜矿的晶格中氧化溶解出来，生成中间产物CuS2和CuS；较高的酸度和氯化钠浓度有利于单质硫的生成、三价铁的水解和铜的浸出，进而有利于金浸出率的提高。

The simulation results showed that the specific heat capacity of liquid copper decreases very slightly with the temperature decreasing, and remained linear above and below the melting point.

对铜的模拟结果表明，在较大的温度范围内液态铜的比热基本不发生变化，在熔点以下的比热与在熔点附近的比热变化规律是一致的。

However, close security of the evidence and line of reasoning will reveal the whole argument is based on unsubstantiated assumptions.

新的技术从同样多的生矿中提取铜可以减少40%的用电量，特别是铜的含量高的时候。

Meanwhile, the analysis ofreproducibility and recovery rate was also probed into in detail; fourthly, theform of cuprum and zincum extracted with M3-dithionze method as well asthe relativity of the content of cuprum and zincum between arid soil and wetsoil were discussed here in order to prove the categoricalness of this method.

在此基础上，对M3-双硫腙法与常规分析方法进行了相关性研究，并对M3-双硫腙法的重现性和回收率作了分析，同时为了更完整地说明本法的完备性，对于本法提取的铜的形态；干、鲜土中铜、锌含量的相关性等问题，本文也进行了分析探讨。

The fossil collections are important both scientifically and historically, with exceptionally well-preserved specimens from the Midlands and many other famous fossil localities in the UK, and throughout the world.The museum has some of the finest collections from the Wenlock Limestone of Dudley, famous for its fossils that lived 420 million years ago when the area was covered by a shallow, warm, tropical sea that enabled a highly diverse ecosystem to develop. From the rocks of the old Midlands Coalfields are important collections of fossil plants, fish, insects, arachnids, fossil footprints and animal tracks.

伯明翰大学的地质博物馆就在它的主楼里，不大，也不需买票，里面还免费提供小食品和饮料，但是展品很全：始祖鸟、鹦鹉螺、暴龙头骨、小昆虫和像钉子一样的不知名海底生物的化石，金、银、铜、硫的天然单质矿石，和一些由任何一本参考书上都没说过的复杂化学式所代表的成分所组成的宝石（我到今天才知道碱式碳酸铜的结晶原来这么漂亮），还有一些只听说过的铁酸盐晶体，当然馆内远远不止这

X-ray analyses indicate that lattice parameters decrease due to Cu-doping; while XPS results show that Cu-doping leads to positive chemical shifts of the Cu 2P1/2 and La 3d5/2 and 3d3/2 levels, implying that Cu-O and La-O bondings are strengthened and their bond lengths are shortened; while magnetization measurements show that after 8 hours' Arannealing, the Neel temperature of Cu-rich sample is about 31K higher than that of the sample without Cu doping, indicating that the three-dimensional antiferromagnetic correlation is enhanced.

结合各种分析手段认为，掺杂的铜原子部分替代了 La 位，也有填补 CuO2面的 Cu 空位和在晶界形成微量第二相的可能占位情况，使得铜的掺杂取得了增强二维特别是三维反铁磁交换作用的效果，促进了La2CuO4+δ系统的相分离。

Studies on the effect of eluting time,temperature and ultrasonic on elution rate are carried out and X-ray fluorescence are used in analysis.

针对硫酸溶液可以有效洗脱树脂上的氰化物和锌，但不能洗脱铜的工艺问题，选择氨水溶液对酸洗后201×7树脂上的铜进行解吸；试验研究了解吸过程的时间、温度以及超声波作用等条件对解吸率的影响，并进行了X射线荧光分析。

Until fairly recently, the only way to extract pure copper from ore was by using a process that requires large amounts of electric energy, especially if the proportion of copper in the ore is low.

直到最近，从矿石中提取纯铜处理同等数量的原矿石时能够比老的方式节省40％的电力，特别是当矿石中铜的比例比较高的时候。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷