有色金属

The disadvantage is that the DC system voltage catenary low, generally l500V or 3000 V, contact wire request is rough, it is necessary to consume a large amount of non-ferrous metals, construction investment has increased.

直流制的缺点是接触网的电压低，一般为l500V或3000 V，接触导线要求很粗，要消耗大量的有色金属，加大了建设投资。

A systematic study is made on the underground continuous mining of No.3 thick and low grade orebody of a nonferrous metal mine by a simulation test with similar material and by FLAC-3D method,including the study on the natural roof caving,the time-sequence system of artificially induced roof caving and the roof stress cha...

利用相似材料模拟试验和FLAC-3D研究方法，对某有色金属矿山厚大、低品位的3#矿体的地下连续开采进行了系统研究，包括矿体顶板自然崩落性、顶板人工诱导崩落时序系统以及开采过程中顶板应力变化规律的研究。

They have good thermal shock resistance, so being superior to burned magnesite chrome brick in service. These product's main usage are:sintering zone of cement rotary kiln, smelting furnace for non-ferrous metal, regenerator of glass furnace and chemical engineering furnaces,etc.

产品具有热震稳定性好、荷重软化温度高、抗碱性渣侵蚀性强等特点，使用性能优于烧结镁铬砖，适用于水泥回转窑烧成带、有色金属冶炼炉、玻璃窑的蓄热室及化工窑炉等热工设备。

Large-scale cement kiln before the kiln mouth, coal pipes, high-rate circulating fluidized bed, high-wear parts high-temperature, non-ferrous metal refining furnace, mixed heaters.

大型水泥窑前窑口、喷煤管、高倍率循环流化床、高磨损高温部位、有色金属精练炉、混合炉等。

In contrast, steel, iron ore, coke and other ferrous metal industry in the fall in the" routed."

与此相反，钢铁，矿石，焦炭和秋天其他有色金属行业的&全军覆没&。

Coke except for iron and non-ferrous metal smelting, also used in casting, chemical, calcium carbide and ferroalloy, its quality requirements vary.

焦炭除大量用于炼铁和有色金属冶炼外，还用于铸造、化工、电石和铁合金，其质量要求有所不同。

The product has a light weight, fastness strong, resist wind and rain, the anti-Japanese drying, color and so on. December 31, 2005 by the National Center for Supervision, Inspection and testing of non-ferrous metals in line with national standards.

该产品具有重量轻，牢度强、拒风雨、抗日晒，色彩鲜艳等特点。2005年12月31日经国家有色金属监督检验中心检测符合国家标准。

Deliming agent HR-308 The product is used for cleaning the color-fading white fabrics caused by the precipitating insolvent calcium magnesium salt and some nonferrous metallic salt.

洗衣房系列脱灰剂 HR----308 本品用于因沉积不溶性钙镁盐及一些有色金属盐类，导致泛灰的白色织物的洗涤。

Jiangxi Copper Co., Ltd. was established in January 1997, is China's nonferrous metals industry of copper mining set, elections, and have very large increase in one joint venture.

江西铜业股份有限公司成立于1997年1月，是中国有色金属行业集铜采、选、冶、加于一体的特大型联合企业。

Tongling Nonferrous Metals Group Co., China's second- biggest copper smelter by output, said Feb. 27 that profit tumbled last year after prices slumped.

铜陵有色金属集团有限公司，中国第二大铜冶炼厂的产量，称2月27日说，去年的利润大跌后，价格下跌。

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。