The method of measuring c, s, p, Mn, Si, Cr, Ni, Mo, V, W, ti, Nb, Al element content by DV-4 photoelectric spectroscope on one condition is introduced.
介绍了应用DV - 4光电光谱仪，仅用一种测定条件，测定高合金钢中碳、硫、磷、锰、硅、铬、镍、钼、钒、钨、钛、铌、铝元素的含量的方法。
There exist large Au, Cu, Pb-Zn, Ni, rare metals, rare earth, Sn, Mo, V, Ti, W and some other types of ore deposits.
具有大型、 超大型规模的矿产为金、铜、铅锌、镍、稀有金属、稀土金属、锡、钼以及钒、钛、钨等。
Cu, Se, Mn, Ni and V are necessary elements to plants growth.
铜、硒、锰、镍和钒是植物生长的必需元素。
The results showed that: the amounts of releasing ions per second, Al-V-Ti alloy was the least, followed by 3 kinds of stainless steel, Ni-Cr alloy, Cu alloy.
结果显示：每秒钟释放的离子数，以铝钒钛合金最少，3种不锈钢次之，镍铬合金较多，铜合金最多。
The effects of V, Ni, Co, Be and Ag on Escherichia coli were studied.
研究钒、镍、钴、铍、银对大肠埃希氏菌的作用。
Trace elements as Mn, Cr, Ni and V trend towards increases from shallow to deep water sedimentary settings, thus could be used to indicate relatively changes of paleo-water depth.
等元素的含量从浅水到深水总体呈增加之势，因此可以指示古水深的变化。
The study on Ni and V removal means a lot for the deeper process of heavy oil.
因此研究镍、钒的脱除机理和方法对重油深加工意义重大。
Generation of light hydrocarbons and natural gas are formed through catalysis of transition metals, such as Ni, V, Ti C etc.
轻烃和天然气是由富含干酪根矿物基质上过渡金属的催化作用形成，而不是干酪根和重质烃的热催化作用所致。
The existing forms of Ni and V and its position for the latter process are discussed. The removal methods of Ni and V are recounted in detail.
讨论了镍和矾在原油中的存在形态，以及对石油后续加工造成的危害。
The existing forms of Ni and V and its position for the latter process are discussed. The removal methods of Ni and V are recounted in detail.
讨论了镍和矾在原油中的存在形态，以及对石油后续加工造成的危害。
应用推荐