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Extraction spectrophotometric determination of vanadium with BPHA as chromophoric reagent used in the analysis of ores, steel and other metals has been investigated for the analysis of residuum oil.

五价钒与钽试剂在约1.5N硫酸介质中生成的沉淀能定量地被氯仿和乙醇混和溶剂所萃取，形成橙黄色的络合物。

Additional, certain microelement, the intake that is like chromic, manganese, zinc, vanadium, Selenium decreases and lead, cadmium, cobaltic intake increases, contract this disease easily also.

另外，某些微量元素，如铬、锰、锌、钒、硒的摄入量减少和铅、镉、钴的摄入量增加，也易患此病。

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。

Objective To investigate into the molecular biological mechanism of hypoglycemic effect of peroxovanadate-nicotinic acid on diabetic rats.

目的 探讨过氧钒烟酸的降血糖作用的分子生物学机制。

TRIP steel containing V and Ti was annealed at 780℃ for 3min and then isothermally treated at 400 ℃, 425 ℃ and 475℃ for 100s and 300s respectively. The effects of the isothermal bainite temperature and holding time on microstructure, mechanical properties were investigated.

含钒、钛的TRIP钢在780℃退火3min，然后分别在400℃、425℃和475℃贝氏体区等温100s和300s，研究了不同贝氏体等温温度和等温时间对其显微组织、力学性能的影响。

It's of great importance for a corporation's economic effect to enhance the degree of self-sufficiency of roller,lower its consumption,make full use of natural resourses superiority and largen the service range of V-Ti iron.

提高轧辊自给率、降低轧辊消耗及充分利用资源优势，扩大钒钛生铁的应用范围，对提高企业的经济效益具有重要意义。

In no alteration of HIF-1αprotein, nitric oxide donors, metavanadate and sodium nitroprusside, significantly abrogated DFO-induced apoptosis.

4一氧化氮(Nitric Oxide， NO)供体——钒酸钠(Sodium Metavanadate， vanadate)和硝普钠(Sodium Nitroprusside， SNP)都能够抑制DFO诱导的白血病细胞凋亡，但对CoCl2诱导的细胞凋亡没有抑制作用。

Methods Diabetic rat models were prepared by giving alloxan. After administration of sodium orthovanadate for seven days, the blood glucose levels of rats were determined. The glucose tolerances of diabetic rats were evaluated by the oxidation-enzyme method, and the insulin levels were determined by radioimmunoassay.

建立四氧嘧啶诱导的糖尿病大鼠模型，对正常大鼠及糖尿病大鼠给予原钒酸钠治疗7天后，采用葡萄糖氧化酶法测定大鼠的血糖值、糖耐量，并以放射免疫法测定血清胰岛素值。

In the mixed sulfate-metavanadate melts, the oxides formed orthovanadate acidic solutes with a solubility much higher than the corresponding acidic sulfates for the pure Na_2SO_4 melt.

在混合盐熔体中，氧化物形成正钒酸盐酸性溶质，溶解度高于其在相应的酸性纯Na_2SO_4熔体中的溶解度。

Single crystals of rare earth orthovanadate (ReVO_4) including Nd:YVO_4, Nd:GdVO_4 and Nd:LuVO_4 have been proved to be excellent laser materials.

钒酸盐系列晶体被证明是性能优良的激光工作物质。其中，研究最多的是Nd：YVO_4、Nd：GdVO_4和Nd：LuVO_4。

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％。