Cold deformation and heat treatment have been studied through testing mechanical property and conductivity of Cu-Cr alloy, and strengthening mechanism has been presented in the paper.
通过测试力学性能和导电性能，对铜铬合金进行了冷变形及退火工艺的探索，并进行了强化机理分析。
Methods Microwave digestion of samples with different digestion conditions and atomic absorption spectrometry were used to determine Pb, As, cr, Cd and Cu contents in 75 kinds of cosmetics.
方法微波消解75种化妆品，原子吸收分光光度法测定化妆品中重金属铅、铬、砷、镉和铜的含量，试验了不同消解条件对消解效果的影响。
Such atmospheric corrosion resistant elements as Cu, cr, and Ni are added to structural steel to increase both weather and corrosion resistance.
铜、铬、镍等大气耐腐蚀元素被添加到增加天气、耐蚀钢结构。
TO Detect Cu, Zn, Pb, Cd, cr in fish and shrimp With Microwave Digestion and Wet Digestion by AAS.
分别用混合酸湿法消解和微波消解两种方法处理鱼虾样品，用原子吸收法测定样品中铜、锌、铅、镉、铬的含量。
This paper introduces the performance, applications and existing producing methods of Cu- Cr alloy.
介绍了铜铬合金的性能、应用及该材料现有的制备方法。
The electrical conductivity, hardness and mechanical properties of Cr Cu alloy in various heat treatment states are tested and its properties and microstructure variations are analyzed.
测试了高导电铬铜合金在各种热处理状态的导电率、硬度和力学性能，并分析了性能变化及金相组织。
The success of Cr-Zr-Cu mold copper board not only can save us lost of money, but also it has significant meaning to improve the continuous equipment and technology to our country.
铬锆铜结晶器铜板研制成功，不仅每年可为宝钢节约大量费用，而且对提高我国的连铸技术及装备水平有重大意义。
Hot-process phosphoric acid contains a little impurities which are mainly Pb and very little Zn, Cu, Ni, Mn, Cr and Cd.
热法磷酸中含有少量重金属杂质，主要是铅以及微量的锌、铜、镍、锰、铬和镉等。
Methods the atomic absorption spectrophotometry (AAS) was used to determine the content of Pb, Cr, as, Hg and Cu in decoction and artificial gastric juice of Fluorite.
方法采用原子吸收分光光度法对紫石英在水煎液和人工胃液中铅、镉、砷、汞、铜的含量分别进行测定。
Zn content was low and no Cu, Se, Cr, As, Pb, and Hg were found in all the waterworks′ samples we determined.
两种水源中锌的含量均不高，所有水厂出厂水中硒、铜、铬、砷、铅、汞均未检出。
The results showed that: the amounts of releasing ions per second, Al-V-Ti alloy was the least, followed by 3 kinds of stainless steel, Ni-Cr alloy, Cu alloy.
结果显示：每秒钟释放的离子数，以铝钒钛合金最少，3种不锈钢次之，镍铬合金较多，铜合金最多。
Objective: To explore the relationship between poor vision of children and the content of Zn, Fe, Cr, Cu in their hair.
目的：探讨学龄儿童头发锌、铁、铬、铜含量与视力低下的相关性。
The content of Cr, Mn, Zn, Cu, Fe, Mg, ca in the cancer tissue and its peripheral tissue from 38 cases with large intestine carcinoma was determined by atomic absorption spectrometer.
用原子吸收光谱法测定了38例大肠癌组织及其边缘组织中铬、锰、锌、铁、镁、钙、铜的含量。
It was also shown that activity of tri metal catalyst was higher than that of bi metal one, and selectivity of Cu ni Cr catalyst was higher than that of nickel catalyst.
结果表明，三元金属催化剂的活性高于二元金属催化剂，选择性高于单元金属催化剂。
In the determination of Cr, Ni, cu and Mn in alloy steel samples by flame AAS, the precise results are difficult to obtain because of the matrix-element fe interference.
火焰原子吸收法(即aas法)测量钢样中铬、镍、铜、锰的含量，由于基体中大量存在铁元素的干扰。
The samples of snail and hyacinth were digested by HNO_3-HClO_4, Cu, Zn, Ni, Cr were detected by flame AAS, and Pb, Cd by furnace AAS.
用硝酸-高氯酸体系消解螺蛳和水葫芦样品，采用火焰原子吸收光谱法测定铜、锌、镍、铬，用石墨炉原子吸收光谱法测定铅、镉。
It USES the plasma emission spectrometry to determine Fe, Ca, Mg, Cr, Mn and Cu in LaB6 in the scope of the elements: 0.
采用等离子发射光谱法测定六硼化镧中铁、钙、镁、铬、锰、铜，各元素测定范围：0。
The age hardening characteristic of Cu Ni Si Cr Fe alloy has been investigated in this paper.
因而研究铜在钢中的时效强化、沉淀规律具有重要意义。
The speciation analysis of the elements Cu, Zn, Pb, Cd, Cr and Arsenic was carried out among the surface sediment in different sea areas, different stations.
对不同海区、不同站位表层沉积物中Cu、Zn、Pb、Cd、Cr和As元素的各形态含量及分布特征进行了详细分析。
The speciation analysis of the elements Cu, Zn, Pb, Cd, Cr and Arsenic was carried out among the surface sediment in different sea areas, different stations.
对不同海区、不同站位表层沉积物中Cu、Zn、Pb、Cd、Cr和As元素的各形态含量及分布特征进行了详细分析。
应用推荐