查询词典 peacock copper

According to the results of this study and previous analyses, it is found that Pb concentration may be used to distinguish native copper in North America and historical European smelted copper.

实验还通过扫描电镜能谱仪对24个自然铜(包括5个冶炼自然铜)样品的成分进行了检测，结果表明，北美自然铜具有极高的纯度，通常高于99%。

The whole divides into four parts: The furnace stack is composed of the square edged orifice copper cash; Binaural by the shovel, the knife-shaped copper coin confronts; The tower covers by the silver piece superimposes; Legs by pearl skeleton.

整体分为四个部分：炉身由方孔铜币组成；双耳由铲、刀币对峙；塔盖由元宝叠加；鼎足由珍珠构架。

Before supplementing copper, restrict your intake of zinc, as copper can become toxic.

在补充铜，限制您的摄入量的锌，铜可以成为有毒。

From the existing archaeological discoveries, we can see that in the Paleolithic Age, there have been a tip-shaped stones, stone balls, stone hand axes, bone spears. Until the end of the Neolithic Age, there appeared a large number of stone axes, stone shovels, stone knives and bone harpoons, arrowheads, and even copper tomahawks, copper axes and so on.

从现有的考古发现中我们可以看到，在旧石器时代，已出现了尖状石器、石球、石手斧、骨角加工的矛，而到了新石器时代末期，则出现了大量的石斧、石铲、石刀和骨制的鱼叉、箭镞，甚至还有铜钺、铜斧等。

Compared with polycrystalline Cu, the as-cast single crystal copper shows better plasticity and extensibility, and has a lower electricity resistance. Its elongation of cold rolling can reach 6100% without any cracks in the edges. The single crystal copper exhibits more serious work hardening in wiredrawing. The plasticity and ...

结果表明：和多晶铜相比，单晶铜在铸态时具有良好的塑性和较低的电阻率，并具有优异的室温延展性，其延伸率可达 6 10 0 %以上；冷拉拔加工后单晶铜表现出更大的加工硬化现象，但采用合理的退火工艺可使其加工硬化得到缓解。

00M . Copper xiangguang of the project is a 200,000 tons of cathode copper, sulfuric acid gas chimney works, the diameter of the chimney on the extraoral 6.120m, outside the mouth of a diameter of 9.983m, chimney height of 97.00m.

该工程属祥光铜业一期20万吨阴极铜，硫酸尾气烟囱工程，烟囱上口外直径6.120m ，下口处外直径为9.983m ，囱身高

Production of "Hong Feng" brand copper tube, different specifications complete, solid and reliable, good sealing performance, quality and durability cleaning, security, environmental protection, to apply to the civilian drainage, air conditioners, gas pipes, refrigerators, high-grade sanitary ware And various industries, such as copper pipe connecting pipeline.

生产的&宏丰&牌铜质管件，品种规格齐全，坚固可靠、密封性能好、质量稳定、清洁耐用、安全环保，适用于民用给排水、空调机、煤气管道、冰箱、高档卫生洁具及各种工业铜质管件等管道连接。

The experiment including the sheet copper and the sulfuric acid and the aqua fortis mixed acid response preparation cupric sulfate and to the test installation improvement, the cupric sulfate solution and the right amount ammonia water response obtained product appraisal, to the cupric sulfate solution and the ammonia water responded the preparation the sulfuric acid four ammonations copper carries on the composition determination.

实验包括铜片与硫酸和浓硝酸的混合酸反应制备硫酸铜及对实验装置的改进，硫酸铜溶液与适量氨水反应所得产物的鉴定，对硫酸铜溶液与氨水反应制备的硫酸四氨合铜进行组成测定。

Through visual and scanning electron microscopic inspections and analyses of chemical, fracture surface energy spectrum and metallurgic analysis results of stator winding bar sample (including rectangle copper tube and flat copper bar) of generators Nos.

通过对某发电厂5、6号发电机静子线棒断裂试样的断口宏观及扫描电镜观察、化学成分、断口表面能谱成分、金相组织等检验结果进行分析，认为该线棒断裂原因为腐蚀疲劳。

The new bath can plate directly on steel, copper, brass, zincated aluminum and most high quality properly prepared zinc diecastings in both rack and barrel installations. The copper deposit which plates must be fine grained, smooth, dense and ductile.

该工艺要求能够在钢铁、铜、黄铜、锌合金以及铝合金上面能直接电镀而得到细致、均匀、韧性好、结合力强的铜镀层，而且镀液也必须能适合挂镀、滚镀等多种电镀方式的需要。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。