查询词典 ammonium molybdate

The mechanism of vanadium removal from ammonium molybdate solution by ion-exchange was studied.

摘 要：对钼酸盐溶液离子交换钼钒分离机理进行研究。

This paper introduces the use of vanadium-ammonium molybdate colorimetric method to estimate the phosphorus content in the manganese ore.

用钒—钼酸铵比色法测定锰矿中的磷含量，测定结果表明：相对偏差小于 2 %，测定范围 0 1～ 1 0 %方法简便快速，可满足生产要

Add 1 drop solution A (ammonium molybdate/ H2SO4 solution) and 1 drop solution B to 25 ml water sample.

将1滴A溶液和1滴B溶液加入25亳升的样本中，摇动混合液20秒。

In the present study, direct ammonium molybdate spectrophotometric method was used to measure the phosphate uptake of unicellular M. aeruginosa.

采用了直接显色法对单细胞铜绿微囊藻蓄积正磷酸盐的浓度进行测定，并与传统测定方法进行比较。

The standard solubility product and solubility of compound salt ammonium molybdate· molybdenum trioxide at 0~100 ℃ condition are studied.

研究了难溶复盐钼酸铵氧化钼的标准溶度积常数和不同温度下的溶解度，测定了同离子效应对溶解度的影响，并用红外光谱分析了其解离形式。

Based on the optical activity of the complex formed by mannitol and ammonium molybdate,the mannitolum level in the gastrointestinal dialysis salt was determined with polarimetry.

本文根据甘露醇与钼酸铵的络合物具有旋光性这一特点，用旋光法测定胃肠透析盐中甘露醇的含量。

The results indicate that the size and morphology of as-prepared molybdic acid aggregates and annealed products-α-MoO3 powder were affected by the concentration of ammonium molybdate, HAc and CTAB.

结果表明，钼酸铵的浓度、醋酸和CTAB对多钼酸聚集体及其烧结后形成MoO3粉体的形貌和尺寸有影响。

The molybdic acid aggregates with diameter of 1--2μm and length of several decades-micron can be obtained by the reaction of higher-concentration ammonium molybdate with HNO3 in a coexisting HAc or CTAB solution, repectively.

较高浓度的钼酸铵分别在醋酸和CTAB调节下与硝酸反应均可制备直径为1~2μm，长为数十微米的细长晶须，经过500~600℃烧结后则相应变为纳米级片状和颗粒状α-MoO3粉体；低浓度的钼酸铵在CTAB调节下与盐酸反应可制备不规则的晶体棒，经过烧结后得到颗粒状α-MoO3粉体。

The results of color reaction of zirconia with ammonium molybdate indicate that, in both cases, DDPA adsorbed on zirconia via the combination of one phosphonic group with zirconia, and another phosphonic group was free.

通过磷的显色反应发现，DDPA只以1个膦酸基团与氧化锆结合，而另一个膦酸基团则处于游离状态。

Results show that when ammonium molybdate is used as coloring agent and color the coating after it was nickel plating, different kinds of colors can be obtained by controlling the processing parameters with the unaltered wear and corrosion resistance.

结果表明：用铂酸铵作着色剂，并采用先镀镍，后着色的工艺，通过控制着色处理的工艺参数，可获得不同的色彩，并可保持镀层原有的耐磨、耐蚀性能。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。