Most Chiness crude oils are high in nickel and low in vanadium content.
中国大多数原油中金属含量都是镍高钒低。
The strength of steel increases with the increasing of vanadium content.
钒含量增加，强度显著增加。
Methods Vanadium content in cassia seed was measured by graphite furnace atomic absorption spectrophotometer.
方法应用石墨炉原子吸收分光光度法测定富钒决明子芽中钒含量。
Therefore, the vanadium content in high chromium cast iron used for metallurgical spare parts is seriously controlled.
因此，必须严格控制用于冶金备件上的高铬铸铁中的钒含量。
The testing results and their microstructure show that the one with a higher vanadium content and smaller crystal grain has a high strength.
由三种不同成分的拉伸试验结果与金相组织可知：一组成分的含钒量增加，晶粒细化，从而强度增大。
Because crude oil from Xinjiang has high vanadium content, its atmospheric residuum and vacuum residuum shouldn't be directly used as catalytic raw material.
同时新疆原油钒含量高，其常压渣油和减压渣油均不宜直接作催化原料。
The causes behind breakage of the catalyst are excessive sodium and vanadium content in the feed oil, excessively high regeneration temperature and excessively high steam velocity in riser pipe.
对催化剂的分析表明，催化剂破碎主要由于原料中钠、钒含量超标、再生温度过高和提升管预提蒸汽线速过高所致。
The results show that only vanadium carbides form at the low carbon content, and Cr and Mo element mainly dissolves into vanadium carbides.
结果表明：碳含量较低时，仅形成钒的碳化物，铬、钼元素主要固溶于钒的碳化物中。
Phosphorus content in zinc phosphate is determined by phosphorus vanadium molybdate yellow colorimetric method.
采用磷钒钼黄比色法测定磷酸锌中磷含量。
However, the relative wear resistance increase rapidly with increasing the VC content in high vanadium alloys.
随着VC含量增加，高钒系合金的耐磨性迅速提高。
Because the high content of vanadium and sulphur in orimulsion, the combustion component of orimulsion will do great harm to environment.
由于奥里油钒、硫含量较高，致使其燃烧产物对环境造成严重的危害。
After the carbon content reached 2.3%, the matrix is martensite primarily and the impact wear resistance performance enhanced largely compared with the low-carbon high vanadium high-speed steel.
含碳量达到2.3%后，基体以马氏体为主，耐磨性比低碳的高钒高速钢大幅提高。
The toxicity of vanadium depends on its total content, oxidation states and existence speciation.
钒的毒性大小取决于钒的总量、钒的赋存价态和赋存形态。
The process has the features of low reaction temperature, short reaction period, low cost, etc, and the prepared vanadium nitride alloy with high nitrogen content is suitable for use in steel making.
本发明具有反应温度低、反应时间短、工艺简单、生产成本低等特点，更适合于工业上大批量生产，本发明制备的氮化钒合金含氮量高，更适合于钢铁工业炼钢要求。
The process has the features of low reaction temperature, short reaction period, low cost, etc, and the prepared vanadium nitride alloy with high nitrogen content is suitable for use in steel making.
本发明具有反应温度低、反应时间短、工艺简单、生产成本低等特点，更适合于工业上大批量生产，本发明制备的氮化钒合金含氮量高，更适合于钢铁工业炼钢要求。
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