氧化钒

Vanadate oxidate method is accurate and sensitive and it can be used in the routine determination of bilirubin.

钒酸氧化法是一准确、灵敏的、适用于实际工作的测定胆红素的方法。

Bromate, perbromate, hypochlorite, perchlorate, ferrate,bismuthate, hydrogen peroxide, ozone, oxygen,hydroxyl radical, vanadate, ultraviolet light, bombcolorimetry, combinations of several oxidants andelectrochemical techniques. These approaches have notbeen suitable due to difficulties in reagent preparation,reagent stability, photosensitivity, low oxidationpotential, poor oxidation efficiency, expense, and userprotocols that proved too complex.

哈希实验室就试验过高锰酸盐，铈盐，过硫酸盐，过碘酸盐，碘酸盐，高铁酸盐，溴酸盐，过溴酸盐，过氧化氢，臭氧，氧，羟基，钒酸盐，紫外光，氧化弹，比色计，数种氧化剂与电化学技术的结合，这些方法已不适用，由于试剂难于制备，试剂稳定性，光敏感，低氧化电位，低氧化率，昂贵，用户证实太复杂方面的问题。

Reproducibility, recovery rate, filate range, interference of haematolysis and lipaemia were evaluated by NCCLC system, and then the results were compared.

用钒酸氧化法、改良J—G法和胆红素氧化酶法测定血清中的总胆红素，按NCCLC评价方案系统评价其重复性、回收率、线形范围及溶血、脂血对胆红素测定的干扰影响，然后对测定结果进行比较。

Forbidden-band-width of mono-clinic phase of bismuth vanadate (mBiVO4) is high enough to 2.3-2.4 eV, it could be valence band to carry out entirely that hole band degrade organic pollutants,and the conduction band possesses high oxidizability to make for reduction of photoinduced electron,and oxidation potential of its valence band with 2.4 eV nearby could achieve decomposition of water and degradation of organic pollutants under visible light.

单斜晶相钒酸铋(mBiVO4)的禁带宽度为2.3 - 2.4 eV，它足够高的价带完全可以实现空穴对有机污染物的降解，并且导带位置也有利于光生电子的还原，具有较高的氧化能力，且其价带氧化电位位于2.4 eV附近，可实现在可见光下分解水和降解有机污染物。本文综述了mBiVO4应用于降解污染物、光解水产氧以及光电化学分解水的研究概况，及其在光催化降解有机物等领域的应用前景。

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。

The electroactive species Fe2+ can be transported easily through the thin films of KVFe6 to the underlaying glassy C electrode surface to be oxidized directly at less pos. potential, and it can also be oxidized at the film at more pos. potential by means of redox sites in the film.

电活性质点Fe^3^+可穿透六氰亚铁钒薄膜在玻璃碳基体电极表面于较负电位处直接氧化，也可经VHF膜中氧化还原点位的媒介在较正电位处理膜-溶液界面及膜内部发生催化氧化。

Methods Serum total bilirubin was determined by vanadic acid oxidation method, improved J - G method and Bilirubin Oxidase method.

目的：对钒酸氧化法、改良J—G法、胆红素氧化酶法进行方法学比较，选择胆红素测定的最好方法。

Results There were favourable dependability between vanadic acid oxidation method, improved J - G method and Bilirubin Oxidase method.

结果：钒酸氧化法与改良J—G法、胆红素氧化酶法有良好的相关性；其回收率均在95.0％～105.0％；其线形范围分别是：0～678μmol／L，0～634μmol／L，0～575μmolAL。

The adsorption properties, wetting ability and electrochemical impedance spectrum properties of graphite felts in vanadium electrolyte were investigated.

研究了不同氧化程度下的石墨毡在钒溶液中的吸附性、润湿性及其交流阻抗图谱，结果发现随着氧化程度增加，吸附性和润湿性增强；交流阻抗谱包括两个半圆和一条直线，高频半圆对应离子的吸脱附反应，低频半圆对应电化学反应，直线对应离子在溶液中的扩散过程。

Methylene chloride ; catalytic combustion ; catalyst ; vanadium pentoxide ; chromium trioxide ;γ-alumina ; pottery ; waste gas treatment

二氯甲烷；催化燃烧；催化剂；五氧化二钒；三氧化铬；γ-氧化铝；陶瓷；废气处理

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％。