铜作

Experiment on determination of trace Argentum in copper concentrace ore was done.

对湖南省麻阳铜矿铜精矿中的微量银作了原子吸收光谱法测定试验，研究了铜对银的测定的干扰，并提出了消除干扰的方法。

Then the son of Atreus drew his sword, and drove at the projecting part of his helmet, but the sword fell shivered in three or four pieces from his hand, and he cried, looking towards Heaven,"Father Jove, of all gods thou art the most despiteful; I made sure of my revenge, but the sword has broken in my hand, my spear has been hurled in vain, and I have not killed him."

阿特柔斯之子拔出柄嵌银钉的铜剑，高举过头，奋力劈砍对手的盔脊，却被撞顶得七零八落，脱离了手的抓握。阿特柔斯之子长叹一声，仰面辽阔的天穹："父亲宙斯，你的残忍神祗中谁也不可比及！我想惩罚亚历克山德罗斯的胡作非为，但我的铜剑已在手中裂成碎片，而我的枪矛也只是徒劳地作了一次扑击，不曾把他放倒！"

Louis Appia and General Henri Dufour, founding members of the International Committee.

梅瑟遂作了一条铜蛇，悬在木杆上；那被蛇咬了的人，一瞻仰铜蛇，就保存了性命。

Lead, arsenic, stibium and bismuth were determined by inductively coupled plasma atomic emission spectrometry in hydrochloric acid medium.

铜精矿经硝酸缓慢溶解，在氨性溶液中，以氢氧化铁和氢氧化镧作载体一次共沉淀铅、砷、锑和铋，并与铜等元素分离，在盐酸介质中用电感耦合等离子体原子发射光谱法测定铜精矿中的铅、砷、锑、铋杂质元素。

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 electroless copper plating was studied in a bath consisting of glyoxylic acid as reducing agent,Na2EDTA as complexing agent,both 2,2′-dipyridyl and K4Fe6 as additives,focused on the influence of the additives on the deposition rate,as well as on the composition,structures and surface morphology of the deposits.

以乙醛酸作还原剂、Na2EDTA为络合剂、2，2′-联吡啶和亚铁氰化钾作为添加剂组成化学镀铜体系，研究了两种添加剂对化学镀铜速率、镀层表面形貌、组成和结构的影响。

They are mica, lithium beryllium tantalum and gem bearing peg matite, marine volcanic massive sulfide, magmatic copper nickel, metasedimentary iron, gold bearing low grade metamorphosed carbon clastic rocks and gold bearing ductile shear zone. A great progress has been made in recent exploration of porphyry copper.

已知矿床的主要类型有伟晶岩型矿床、与海相火山岩有关的块状硫化物矿床、岩浆铜镍硫化物型矿床、沉积变质型铁矿、浅变质含碳细碎屑岩型金矿和韧性剪切带型金矿床，近年来在斑岩型铜矿床的找矿工作有了新进展。

By using catalysts based on sodium nitrite, hydrochloric acid and sodium nitrite, cerium dioxide and sodium nitrite, and cupric nitrate and sodium nitrite correspondingly.

结果表明，用亚硝酸钠作催化剂乙醛酸产率为73.9%，盐酸和亚硝酸钠作催化剂时乙醛酸产率为84.6%，二氧化铈和亚硝酸钠作催化剂时乙醛酸产率为80.2%，硝酸铜和亚硝酸钠作催化剂时乙醛酸产率为78.2%。

Hydrogen peroxide as oxidizer and sodium carbonate as remover, arsenic, iron, nickel, calciumand lead are removed from copper-bearing mixture by neutralization and precipitation, then use the liquor thathave been filtrated react with the sodium carbonate to produce basic copper carbonae and make the quality of theproduct meet the export request.

采用氧化和中和沉淀方法，以H_2O_2作氧化剂、Na_2CO_3作脱杂剂脱除含铜混合液中的As、Fe、Ni、Ca、Pb等杂质，利用其与碳酸钠反应生产减式碳酸铜，并使产品质量达到出口要求。

The contrast hot test of the copper cooling stave with different cooling channels was done in the hot test whole-scale furnace which is designed by the authors.

在自行设计的1：1热态试验炉上对不同孔型的铜冷却壁进行了热态对比试验，对试验结果作了传热学分析，提出优化铜冷却壁水流通道断面设计的方法，优化后的水流通道可以达到强化传热和减少铜料消耗以及节约冷却水用量的目的。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。