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。
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