钒的

Vanadium pentoxide is trading in a range of $6.25 to $7.25 per pound compared with $6.75 to $7.25 per pound two weeks ago.

五氧化二钒的价格也由两个星期前的6.75-7.25美元/磅，下降到目前的6.25-7.25美元/磅。

The process of producing vanadium pentoxide from bone coal vanadium mine without salt roasting and acid leaching, was systematically studied.

系统地研究了石煤无盐焙烧酸浸生产五氧化二钒的工艺技术，提出了各工序的工艺条件。

A rapid and practical redox titration method for determination of vanadium in steel was proposed.

提出了一种快速的氧化还原滴定法测定钢铁中钒的实用方法。

In the extraction of vanadium from stone coal microwave could change the appearance and surface of stone coal.

微波在石煤中钒的提取过程中可改变石煤的表面形貌，在微波处理25分钟后，其比表面积增加30%。

Experiment results show that the leaching rate of vanadium in roasted stone coal in water is lower when mass fraction of calcium in stone coal is higher.

试验发现，对来自同一矿区的矿样，当其中钙元素质量分数较高时，熟料中高价钒的水浸出率较低。

In theory, Panzhihua Steel Vanadium profits will increase because of the reorganization, thickening per share performance.

从理论上讲，攀钢钢钒的利润会增加，因为重组，每股增厚的表现。

In light of the principle of vanadium's valent state change,after samples are dissolved by weak nitric acid,in medium of around 15% nitric acid,the oxidant ammonium persulphate is immediately used to selectively oxidize V~(4+) to V~(5+).

利用钒的价态变化原理，试样以稀硝酸溶解后，在15%左右的硝酸介质中，直接用氧化剂过硫酸铵选择性地氧化V~(4+)为V~(5+)。

After being leached with water,it is releached with 1%sulphuric acid,the leaching rate of vanadium can be increased by 10%.

采用1%的硫酸作为浸出剂对水浸渣进行再浸出，钒的浸出率可提高10%，最高可提高40%～50%。

The existence morphology and distribution of vanadium above increasing the hardness of bainite ductile cast iron.

钒的上述存在形态提高了贝氏体球铁的宏观硬度。

The experimental results show that the vanadium removal rate can reach more than 97% under the conditions of wastewater pH 2.5,iron filing dosage 12.5%,ambient reaction temperature,reaction time 90 min.

试验结果表明，在废水 pH为2 。5、铁屑用量为 12 。5 %、常温、反应时间为 90min的条件下，钒的去除率可达 97%以上。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。