查询词典 copper-coated

Seihan copper coating quality must meet the following requirements: high purity of the copper in the small jonbang; nickel-plate of the surface should be smooth with no depression, no stripes; electrodeposit have sufficient hardness and toughness.

制版铜层质量务必相符下列给求：铜的清度矮、品粒细；镀层暗地答平滑无瘪陷、无条纹等；镀层有脚够的软度和韧性。

Results showed that soil catalase activity was stimulated by the copper products and the inhibition of urease and sucrase activities by copper products were also observed,especially declined significantly in the treatment of BDM,the two enzymes activities in high ...

研究表明：铜制剂对土壤过氧化氢酶活性有刺激作用，而对脲酶、蔗糖酶活性均有显著抑制作用，尤以BDM对土壤酶活性的抑制率最强，高浓度处理下则未能检测出2种酶活性。

In addition, non-tillage is superior to ploughing and subsoiling in retarding the contents of total iron, manganese, copper, and zinc, but in addition to manganese, the availability of iron, copper, and zinc is lower than the empress both.

不施肥情况下，小麦长期连作比轮作和玉米、大豆连作土壤中有机质、全氮、全磷下降幅度大，全量铁、锰、铜和锌则以轮作降幅最大。

Tonglu: composite or pure copper radiator heating system in the use of one-pipe is dangerous, because one-pipe system, high-speed hot water would have a copper corrosion, should carefully chosen.

然而由于钢制散热器怕水中的氧气，它对供热系统要求很严格，在不安全的系统中会出现腐蚀（腐蚀点大部分在管壁上，而不在焊接部位）；而另外一个事实是，目前我们国内的许多采暖系统还不是很完善，虽然国家对采暖水质早有规定，但仍有许多物业不能按标准执行。

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，从矿石中提取纯铜的唯一方法是通过一种需要大量电力的流程，特别是当矿石中铜的比例比较低的时候。

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，从矿石中提取纯铜的唯一方法是通过一种需要大量电力的流程，非凡是当矿石中铜的比例比较低的时候。

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，从矿石中提取纯铜的最佳方法是使用一项需要消耗大量电能的工艺，尤其是当矿石中铜含量低的时候。

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。

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.

因为新的炼铜技术能用比老办法低超过40%的电量炼同样多的矿，尤其当矿里铜含量高的时候。

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.

如果不是现在都是贫矿多，就不会很省电了吧？其次，即使新的确实是省电，新技术的铜的提取率及工作效率与旧的相比如何呢？

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！