钒的

An ICP AES method for the determination of Cu,Si,Al,P,Cr,Ni,Mn,W in ferrovanadium has been established, based on the selection of proper wavelength and background correction.

叙述采用等离子发射光谱法同时测定钒铁中的铜、硅、铝、磷、铬、镍、钨、锰等微量元素，试样用稀王水分解，选择适当的波长与背景校正进行分析测定，方法回收率在 95%～ 1 0 5%之间，相对标准偏差均小于 4%，本方法快速准确，精密度良好。

Vanadium alloy, with low radioactivity and high high-temperature strength, is taken as one of the candidate structural materials for fusion reactor blanket.

钒合金是聚变堆包层的候选结构材料，具有很优良的低活化和高温强度特性。

The Panzhihua intrusion, a part of the Emeishan large igneous province, is one of typical V—Ti magnetite ore-bearing layered gabbro intrusions.

攀枝花岩体是攀西地区一个典型含钒钛磁铁矿的层状辉长质岩体，是峨眉山大火成岩省的组成部分。

Iron is recovered in the form of jarosite and ferric hydroxide that the concentrations of them determinate with dichromate method are

其中铁以黄铁钒和氢氧化铁的形式回收利用，经GB/T 223.7-2002重铬酸钾滴定法滴定其铁含量分别为72.37％，62.0％己达到可综合利用的水平。

The wearability is best in vanadium 0.2％ test steel, three times than that of high manganese steel.

在本试验条件下含钒0.2％的试验钢耐磨性最好，是普通高锰钢耐磨性的2倍。

Extracting conditions such as temperature,the concentration of sulfuric acid are optimized.Test results show that leaching rate of vanadium pentoxide is up to 92% at the temperature of 90 ℃,with mass ratio of l...

实验结果表明，在MnO2用量3%、温度90℃、液固比2∶1、反应时间9 h、硫酸的浓度为20%、搅拌速度为1 500 r/m in的优化条件下，五氧化二钒浸出率为92%，比钠盐焙烧工艺高出10%以上，环境污染和能源消耗也得到有效控制。

Test results show that leaching rate of vanadium pentoxide is up to 92% at the temperature of 90℃, with mass ratio of liquid and solid being 2:1, usage of manganese dioxide being 3%, with concentration of sulfuric acid of 20%, and mixing speed at 1500 r/min. It is about 10% higher than roasting. Environmental pollution and energy consumption can also be effectively controlled.

实验结果表明，在MnO2用量3%、温度90℃、液固比2：1、反应时间9 h、硫酸的浓度为20%、搅拌速度为1500 r/min的优化条件下，五氧化二钒浸出率为92%，比钠盐焙烧工艺高出10%以上，环境污染和能源消耗也得到有效控制。

The influences of different organic bridging ligands pyrazine,2-pyrazinecarboxylate,4,4′-bipyridine and 1,2-bis(4-pyridyl)ethane on the cobalt vanadate system were explored.

同时还研究了不同的有机桥式配体吡嗪、2-吡嗪羧酸、4，4′-联吡啶和1，2-联(4-吡啶基)乙烷在钴钒体系中的作用。

The structure selection and application of roller guide and guard unit s are introduced which are used in the high-speed wire rod mill in chengde Iron and Steel Co.

介绍了承德新新钒钛股份有限公司高速线材轧机滚动导卫装置的概况、结构选择和应用要点，同时介绍了关键工艺参数的设计方法。

The structure and application of an improved box style mixer settler in vanadium extraction are introduced.

介绍了一种改进型箱式混合澄清器的结构特点及其在提钒新工艺萃取过程中的应用情况。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。