查询词典 copper-coated

The process flow and conditions of roughening by copper plating for wrought rolled copper foil were introduced.

介绍了压延铜箔镀铜粗化工艺的工艺流程和工艺条件。

The amount of 20% copper sulfate solution added is 10-11% of paste. The yields of sodium copper chlorophyllin were 20-24% of the saponified paste.

松针叶绿素铜钠是一种糊状产品，外观为兰绿色，经分析测定，产品中含有固体物质50—60％，pH10—11，叶绿素含量7000—8000毫克/公斤，吸光比2.30—3.48。

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。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐