钒酸

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。

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。

FeCl_3 - K_2 Cr_2O_7 volumetric analysis is used for the determination of metal Ferrum in vanadium residue, which abstains from the use of mercury, simplifies device, improves the speed of analysis.

采用三氯化铁一重铬酸钾容量法测定钒渣中的金属铁的含量，消除了汞害，简化了装置，提高了分析速度，适于工业分析。

In this paper, we have investigated and discuss the appropriate conditions under which the developing reaction to responds to Phospho Vando Molybdic acid and basic dye malachite green in aqueous solution by conducting experiments, through which the best quantity about addition of reagents can be fixed.

研究了磷钒钼酸与碱性染料孔雀绿在水溶液中的显色反应，确定了最佳反应条件，并将这种方法应用于复混肥中磷含量的测定，试验结果表明，此方法的灵敏度高、重现性好、准确度高。

Ingredients: Apple Cider Vinegar, Magnesium Chelate, Monocalcium Phosphate, Inositol, Ascorbic Acid, Biotin, Mixed Tocopherols, Niacinamide, Calcium Pantothenate, Zinc Chelate, Manganese Chelate, Vitamin A Palmitate, Copper Chelate, Vitamin D, Selenium Chelate, Chromium Chelate, Pyridoxine HCl, Ribofl avin, Thiamine HCl, Molybdenum Chelate, Cyanocobalamin, Folic Acid, Vanadium Chelate, Potassium Iodide.

果醋，螯合镁，磷酸一钙，肌醇，抗坏血酸，生物素，混合生育酚，烟碱醯胺，泛酸钙，螯合锌，螯合锰，维生素A棕榄脂，螯合铜，维生素，螯合硒，螯合铬，盐酸？哆辛，核黄素，盐酸硫胺素，螯合钼，氰钴，叶酸，螯合钒，碘化钾

In an acetate buffer medium of pH 6.6, a colored complex was formed between pentavalent vanadium ion and pyrogallic acid.

于pH 6.6的乙酸盐缓冲溶液中，五价钒离子与焦性没食子酸反应生成有色络合物。

The research of mechanism shows that the pathway of hydrocarbons oxidation performed with vanadium picolinic complexes as catalyst involves typical free radical chain mechanism.

对催化氧化反应机理的研究结果表明，本反应体系在钒氧吡啶酸络合物作用下，烃类的氧化反应按照自由基链反应机理进行，非均相催化剂遵循与均相催化剂相似的反应机理。

Using zeolite NaY and ZSM-5 as solid support, the zeolite-encapsulated vanadium picolinic complexes catalyst are synthesized and examined as "ship-in-a-bottle"catalyst.

本文进行了将钒氧吡啶酸络合物负载于NaY分子筛和ZSM-5分子筛中合成&ship-in-a-bottle&型非均相络合物催化剂的研究工作。

The lixiviated liquid is treated by D290 resin .

对焙烧后的含钒石煤酸浸后的浸出液采用 D290树脂处理。

A kinetic spectrophotometric method for the determination of trace oxalate was established, based on its inhibitory effect on the catalytic oxidation of indigo carmine with potassium bromate in the presence of V in 5 mmol/L H3PO4 media.

基于在5mmol/L磷酸介质中，草酸根对钒催化溴酸钾氧化靛蓝胭脂红褪色反应的抑制作用，建立了一种阻抑动力学光度法测定微量草酸根的新方法。

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％。