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mn
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    DISCUSSION ON PRODUCING MnSi ALLOY WITH MANGANESE ORE OF LOW Mn/Al_2O_3, VALUE AND HIGH-ALUMINIUM SLAG
    用低Mn/Al_2O_3值矿以高铝渣生产硅合金的探讨
短句来源
    STUDY ON Mn YIELD DURING THE Mn ORE DIRECT-ALLOYING PROCESS
    矿直接合金化研究
短句来源
    ANTIPASSIVATION MECHANISM ANALYSIS OF Ti ANODE WITH Ti Mn ALLOY COATING
    钛基钛合金阳极抗钝化机理分析
短句来源
    Mn & Fe sulphides in No.20 steel
    20号钢中的、铁硫化物
短句来源
    The Effect of Swaging on Performance and Microstucture of 93W Alloy Micro alloyed by Co、Mn
    旋锻对钴、微合金化93W合金性能和组织的影响
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  锰的
    Removing Low Content Mn~(2+) from Light RE Chloride Solution by Na-DDTC
    Na-DDTC沉淀法从氯化轻稀土溶液中去除低含量锰的研究
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    At 1733 K, when the quantity of the flux is 5%of thequantity of hot metal, desiliconization rate can reach 75%~80%and oxidation of Mn is under0.1%。
    在1733K,高炉锰渣配加适当的氧化铁皮,熔剂用量为铁水量的5%,脱硅率可达到75%~80%,锰的氧化损失可控制在0.1%以内。
短句来源
    The results show that when the reductant was charged enough,the leaching rates of Cu,Ni,Co and Mn were 88.56%, 96.14%,78.57%a and 35.27% respectively,and almost no iron was leached in 5.0 mol/L NH4Cl solution which initial pH was about 5.0 at 80℃ and 180 min.
    结果表明5.0mol/LNH4Cl溶液中,初始pH值约5.0及80℃、180min,锰结核与Na2SO3等量加入时,铜、镍、钴、锰的浸出率分别为88.56%、96.14%、78.57%、35.2%,铁几乎未被浸出。
短句来源
    Under the optimum technological conditions, the leaching efficiencies of Mn and Ag are over 99% and 95% respectively.
    在最佳工艺条件下,锰的浸出率达99%以上,银的浸出率达95%以上。
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    A method was proposed for the preparation of an activated manganese dioxide based on the extraction of Mn(Ⅲ) using P204 as an extractant. The extraction of Mn(Ⅲ) has been studied by the authors.
    研究从天然二氧化锰焙烧物萃取Mn(Ⅲ)制活性二氧化锰方法中其它过程的操作条件,包括从天然二氧化锰焙烧物中溶出Mn(Ⅲ)和从P204萃取液中反萃取Mn(Ⅲ),以及产品二氧化锰的形成条件。
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  “mn”译为未确定词的双语例句
    NOZZLE BLOCKAGE OF RARE EARTH TREATED 16Mn STEEL
    16MnRE钢水口结瘤问题的研究
短句来源
    STUDY ON THE EFFECT OF RARE EARTH ON THE INCLUSION MORPHOLOGY OF SPRING STEEL 60Si2Mn
    稀土对60Si2Mn弹簧钢夹杂物形态影响的研究
短句来源
    COMBINED BLOWING PROCESS FOR 60Si2Mn
    采用复吹工艺冶炼60Si2Mn
短句来源
    CONTROL OF NON-METALLIC INCLUSIONS IN 16Mn STEELS IN CaSi POWDER INJECTION REFINING
    喷吹CaSi粉对16Mn类钢中非金属夹杂物的控制
短句来源
    NEW APPROACH ON MECHANISM OF DEHYDROGENATION OF 16Mn VESSEL STEEL TREATED WITH SYNTHETIC HALOGENIDE POWDER INJECTION
    卤化物合成粉剂喷吹处理16Mn压力容器钢脱氢机理新探
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  mn
In this note it is shown that a necessary and sufficient condition for the existence of a P3-factorization of complete multipartite graph λKmn is (1) m≥3, (2) mn≡0 (mod 3) and (3) λ(m-1)n≡0(mod 4).
      
Let Sn be the symmetric group, gi+=(123i), gi-=(li32) and Mn+={gi+∶4≤i≤n}, then Mn+ is a minimal generating set of Sn, where n≥5.
      
It is proved that Cayley graph Cay (Sn, Mn+∩Mn-) is Hamiltonian and edge symmetric.
      
Let Mn be a closed spacelike submanifold isometrically immersed in de Sitter space Spn+p (c).
      
Denote by R, H and S the normalized scalar curvature, the mean curvature and the square of the length of the second fundamental form of Mn, respectively.
      
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By blowing vanadium bearing hot metal (Si 0.16%, Mn 0.19%, V 0.355%) in an oxygen bottomblown converter, a vanadium oxide bearing slag was obtained, which had a high V_2O_5 content (23%) and low FeO (TFe 35.28%). From this slag Fe-V alloy can be produced. The blown metal had high C (3.77%), low V (0.001%), and a high (V)/[V] ratio (891-1298), beneficial to steelmaking.

氧气底吹转炉吹炼含Si0.16%,Mn0.19%,V0.355%的铁水,能得到质量满意的钒渣。其特点是:钒渣(V_2O_5)高(23%),氧化铁低(TFe35.28%)有利于钒铁合金生产。半钢含碳3.77%,余钒0.01%,(V)/[V]高(891~1298)。有利于炼钢生产。

This paper describes a method of ion flotation for separating cobalt, nickel and copper from a solution of manganese ore leached with sulphur dioxide. The separation of copper, nickel and cobalt from solution (42.05 Mn, 3.24 Fe, 0.0996 Co, 0.128 Ni and 0.148 Cu g/l) was carried out with precipitant such as sodium sulfide and ethyl xanthate. Owing to the strong hydrophobility of copper sulfide, xanthates of nickel-cobalt, it was possible to remove the precipitated copper sulfide, xanthate of nickel-cobalt...

This paper describes a method of ion flotation for separating cobalt, nickel and copper from a solution of manganese ore leached with sulphur dioxide. The separation of copper, nickel and cobalt from solution (42.05 Mn, 3.24 Fe, 0.0996 Co, 0.128 Ni and 0.148 Cu g/l) was carried out with precipitant such as sodium sulfide and ethyl xanthate. Owing to the strong hydrophobility of copper sulfide, xanthates of nickel-cobalt, it was possible to remove the precipitated copper sulfide, xanthate of nickel-cobalt from the solution by ion flotation process. The recovery of copper in its sulfide concentrate and recovery of cobalt, nickel in their xanthat concentrate reached about 98% respectively. The testwork results obtained in pilot plant were similar as in bench scale. 6% NaOH was added in two stages, separation of cobalt and nickel were obtained effectively with recovery of ethyl xanthate approximately 60%.

本文叙述从二氧化硫浸出锰矿溶液中分离钴、镍、铜的离子浮选方法。从溶液(42.05Mn,3.24Fe,0.0996Co,0.128Ni和0.148Cu克/升)中,以硫化钠、乙基黄原酸盐作为沉淀剂,实现钴,镍、铜的分离。由于硫化铜、钴镍的黄原酸盐具有强烈疏水性,可用离子浮选方法从溶液中除去硫化铜、钴镍黄原酸盐的沉淀物。铜在硫化铜精矿中,钴、镍在钴镍的黄原酸盐精矿中,均有98%得到回收。扩大试验取得了和小型试验相同的指标。该过程包括分两段加入6%NaOH到钴、镍黄原酸盐中,使钴镍获得有效的分离,约60%的乙基黄原酸盐得到回收。

Hot metal from Baotou blast furnace contains about 0.08% of niobium and 1% of manganese. The openhearth slag accumulated at that steelplant also retains appreciable amounts of these metals. A process has been developed, using a small blast furnace and side-blown converter for collecting niobium and manganese in the OH slag into an enriched intermediate slag, which is used as raw material for the production of ferro-manganese-niobium. Methods were also experimentally studied for the direct extraction of niobium...

Hot metal from Baotou blast furnace contains about 0.08% of niobium and 1% of manganese. The openhearth slag accumulated at that steelplant also retains appreciable amounts of these metals. A process has been developed, using a small blast furnace and side-blown converter for collecting niobium and manganese in the OH slag into an enriched intermediate slag, which is used as raw material for the production of ferro-manganese-niobium. Methods were also experimentally studied for the direct extraction of niobium and manganese from the hot metal. It was found that by properly treating the hot metal in a converter, be it top-blown, side-blown or bottom-blown, at least 80% of the niobium and manganese is oxidized, producing a slag which is in effect an artificial niobiferous manganese ore, that can be used for making niobiferous ferromanganese especially suitable for the production of niobium micro-alloyed high-strength steel. A bottom-blown converter is preferable to the side-or top-blown in that less of the phosphorous will go into the slag, thus simplifying the letter's subsequent processing. A neutral lining (e. g. high alumina brick) would have the advantage of longer life, and higher Nb and Mn as well as lower P content in the slag produced. Large scale tests of a continuous spray extraction process pointed towards considerable potential advantages over the intermittent converter processes.

包钢高炉生产的铁水含铌约O.08%,锰约1%,积存的废平炉渣也含铌、锰。通过试验研究发展了一种用小高炉一转炉将平炉渣的铌和锰加以富集的方法,以及从包钢铁水直接提取铌锰渣的各种方法。结果证明,不论用顶吹、侧吹或底吹转炉,只要将吹炼温度保持在1350℃左右,铁水中铌和锰均至少80%都被氧化,形成一种实际上可看作是含铌人造锰矿的铌锰渣,可用以炼制适于生产含铌高强度低合金钢的铌锰铁。为了降低铌锰渣的磷含量,从而简化下步工序,用底吹转炉比侧吹或顶吹都较为有利。为了同一目的,同时也提高渣中铌和锰的品位和转炉炉衬的寿命,可采用中性炉衬一如高铝砖。试验了从铁水提铌锰渣的连续操作工艺,发现它有许多潜在优点。

 
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