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- A method of simultaneous and direct determination of Cu, Mg, Zn, Mn, Cd, Ni, Al and Fe in the normal and dead leaves of grape by ICP is reported. 用电感耦合等离子体 (ICP)原子发射光谱法直接测定美国黑提葡萄的正常叶和枯叶中Cu、Mg、Zn、Mn、Cd、Ni、Al、Fe八种元素的含量 .
- As a welding method of high efficiency and low energy consumption, double arc welding has a favorable foreground in the practical production. 双弧焊接作为一种高效节能、优质经济的焊接工艺方法,在实际生产中具有良好的应用前景。
- The method of analysis to the determination of Cu, Cr, Co, Ni, Pb, Cd in the phase analysis of geo-chemical exploration samples by the HG-AAS has been introduced. 摘要本文主要介绍了化探样品相态分析中无火焰原子吸收光度法测定化探样品中的铜、铬、钴、镍、铅、镉的分析方法。
- This paper summarizes the research method of Cu and Zn isotopes,and the factor affecting isotope fractionation and its application in environment geochemistry. 本文对铜锌同位素的测试方法、分馏机理及其在环境地球化学研究领域的应用进行了较系统综述。
- It can use all kinds of resistance welding method of welding low-carbon steel, copper, Lvsi and other metal materials, is drawing industry and the construction industry the ideal welding equipment. 它能用电阻焊接法焊接各种低碳钢丝、铜丝、铝丝等金属材料,是拉丝行业及建筑行业的理想焊接设备。
- Oxyacetylene pressure welding method of long rail 长轨气压焊方法
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- Flash welding method of long rail 长轨接触焊方法
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- A new welding method of the dimple jacket container 蜂窝夹套容器的焊接新方法
- His method of organizing the work is commendable. 他组织这项工作的办法是值得称赞的。
- welding method of controlled bridge transfer CBT焊接控制法
- You'll find little system in his method of work. 他的工作方法无甚条理。
- It's not an economical method of heating. 这不是一种经济的取暖方式。
- Taxpayer: what do you mean by the method of derivation? 纳税人:什么是以支出换算收入?
- The others gave some pointers on improving the method of operation. 其他同志则出了一些点子来改进操作方法。
- Blow-drying replace the old method of putt curler into wet hair. 边吹乾边吹发型的方法取代了湿发上卷子的老方法。
- A copy made by this method of duplication. 油印品通过这种方法印制的印刷品
- Welding method of replaced furnace tube used in cracking furnace 裂解炉辐射段炉管更新焊接
- On larger farms this method of reaping went out long ago. 在较大的农场上,这种收割方式早过时了。