贫化

pín huà
  • depletion;dilution;impoverishment
贫化贫化
贫化 [pín huà]
  • (1) [depletion]∶核反应堆运行时燃料组件或燃料混合物中裂变原子数的百分比减小

  • (2) [depauperization]∶使之萎缩、退化或贫乏的过程,或萎缩、退化或贫乏的性质或状态

贫化[pín huà]
  1. CMS除用于井下空区监测以外,还可在矿山日常生产中发挥作用,如改善爆破效果,降低损失贫化等。

    In addition , CMS can be used to improve blasting efficiency and verify actual stope and orepass dilution .

  2. 双层辉光离子W-Mo共渗层中的溶质贫化现象研究

    Study of solute dilution in double glow plasma W-Mo alloying layer

  3. Co、Mn和Fe的贫化与钙锰矿有关。

    The depletion of the elements such as Mn , Fe , Co genetically relates to todorokite .

  4. 自然崩落法覆盖岩层下放矿贫化实验研究覆盖条件下。土壤N、P。

    Study of Drawing Dilution under Overburden in Block Caving Based on Experiments P. K is increased in mulching soil , but in soil-returning soil .

  5. 斑岩型Cu(Mo)矿床中微量元素富集贫化规律研究

    A Study of the Enrichment and Depletion Regularity of Trace Elements in Porphyry Cu ( Mo ) Deposits

  6. 粒子滤波算法(PF)中,序列重要性采样引起采样点贫化,进一步经过重采样后造成分集度损失。

    In particle filters ( PF ), sequential importance sampling will result in sample impoverishment and further the loss of diversity after resampling .

  7. 结果表明,除Al、Mn外,其他元素均在玻璃相中有不同程度的富集;除Al外,其他元素则在莫来石-刚玉相中有不同程度的贫化;

    The results shows that all these elements are enriched in the glass phase except for Al and Mn , and all the elements are depleted in the mullite-corundum phase except for Al .

  8. 结果表明,时效渗Al层主要由外、内两层组成,外层包括Al2O3膜区,β&NiAl区及贫化区;

    The results show that aged aluminide coating consist mainly of the outer and the inner layers . The outer layer includes Al2O3 oxide zone , β - NiAl zone and denuded zone .

  9. 研究了稀土元素Ce、时效处理以及Al-Li合金表面形成的贫化层对其剥蚀性能的影响。

    The influence of cerium element , aging process and depletion layer existing on the surface of Al-Li alloy on the exfoliation corrosion of 2090 Al-Li alloy has been investigated .

  10. 通过采用BP神经网络来确定影响评价的难处理因素:选矿回收率,并通过曲线拟合来确定埋藏不同深度矿块的贫化率与损失率。

    By using BP neural network to determine the impact evaluation of the intractable factors , that is , recovery rates , and deploy curve fitting to determine the dilution rate and loss rate of mines buried in different depth .

  11. D-T中子在φ600贫化铀球中的U~(238)裂变率实验数据分析

    Analysis of U ~ ( 238 ) Fission Rate Experiment on φ 600mm Depleted Uranium Sphere by D-T neutron

  12. 在中文FOXBASE环境下介绍关于统计和分析采矿损失率和贫化率的管理系统,本系统开发考虑了计算机的软硬件环境。

    The paper introduced a management sys - tem for chinese Foxbase doing statistics and analysis for the rate of mining loss and dilution .

  13. 在1250℃,选用碳质还原剂、硫铁矿和SiO_2对高铜炉渣进行电炉火法贫化。

    The high - copper slag was cleaned with reducing carbon reagent , sulphide iron ore ( FeS ) and silica ( SiO_2 ) in the electric furnace at 1250 ℃.

  14. 借助于金相分析、SEM和EDX等方法,研究炼铜炉渣加炭粉、通惰性气体搅拌选择性还原贫化过程。

    The selective reduction impoverishment of slag from copper smelting with addition of charcoal powder and stirring of inert gas is investigated by the aid of metallurgical analysis , SEM and EDX .

  15. NP型螯合树脂珠在树脂珠法铀同位素分析中的使用是一个创新成果,该方法在原子法激光铀同位素分离贫化试验中得到了应用。

    The application of NP-type chelate resin beads in the isotopic measurement of uranium is a new creative achievement . It has been used in the depletion test of uranium-atomic vapor laser isotope separation .

  16. Cr-Zn-Al合金溶质原子贫化区贝氏体切变形核的原位观察

    In situ observation of bainitic nucleation by shear in solute depleted zone in Cu-Zn-Al Alloy

  17. 在17种元素的标准化曲线图上,具Rb、K的峰和Ta、Ti的谷,表明了火山岩中大离子半径元素的相对富集和高场强元素的贫化。

    In the chondrite-normalized multiple-element diagrams ( spidergram ) the peaks at K and Rb and the troughs at Ta and Ti have been observed , which indicate relative enrichment of K-group elements and depletion of some HFS elements in the volcanic rocks .

  18. 蒸发液和残留液的同位素测定表明,11B仇先从近中性和酸性溶液的蒸发中贫化。

    Isotopic measurements of the evaporation solutions and residues indicate that the heavier isotope , 11B , is preferentially lost from the near neutral and acidic solutions examined .

  19. 不同矿物成份的岩溶粘土沉积物中,可溶性稀土和残存稀土组成均相对于全样稀土组成呈对称分布关系.其中前者富集Nd&Lu而La、Ce贫化,残存稀土相反。

    A symmetrical distribution relationship is appeared for both soluble REE and remnant REE comparation to total REE in the karst clay sediments of variable mineral components , of which the former is rich in Nd and lack of Lu , La , Ce , but the latter is contrary .

  20. 介绍了渣贫化电炉生产过程智能决策支持系统(IDSS)的结构和功能,论述了以模糊决策规则为基础的知识库和模型库。

    The structure and function of an intelligent decision support system ( IDSS ) were introduced for the process of slag cleaning furnace . The knowledge base and model base , based on fuzzy decision rules , were specially presented .

  21. 而时效过程中,随着晶界沉淀相的形核和长大,PFZ逐渐宽化.这说明,时效初期,PFZ是由空位贫化机制形成的;

    TEM observation showed that the grain boundary precipitate free zones ( PFZ ) narrowed with accelerated quenching rate , yet gradually widened with the nucleation and growth of the grain boundary precipitated phase during aging .

  22. 据统计,该矿生产期间综合回收率为59.84%,贫化率为18.44%,采切比为13.87m/kt。

    As is shown by statistics , the rate of recovery is 59.84 % , dilution ratio is 18.44 % , the stripping ratio is 13.87m/kt .

  23. 来自较古老正常地幔或贫化地幔的岩石,在锇同位素方面体现为187Os/186Os初始比值接近或低于Re-Os同位素体系地幔演化线值。

    Secondly , ancient rocks derived from the normal mantle or depleted mantle had initial187Os / 186Os ratios close to or lower than that of the mantle evolution .

  24. 贵溪冶炼厂于1998年对贫化电炉冰铜流槽系统成功地进行了改造,将7.5m长的冰铜流槽缩短为3.1m长,其与水平面的倾角由原来的7°25′改为12°。

    The matte-launder system of the slag cleaning electric furnace was retrofitted successfully in Guixi Smeltery in 1998.Its length was shorten from 7.5 m to 3.1 m and its horizontal inclination was enlarged from 7 ° 25 ′ to12 ° .

  25. 关于无贫化放矿与低贫化放矿的辨析

    Discrimination Between " Dilutionless Drawing " and " Low-dilution Drawing "

  26. 低贫化放矿工艺现状及应用前景

    Actualities and Application Prospect of the Low Dilution Ore Drawing Technology

  27. 矿石贫化率取决于放矿参数。

    The ore dilution rate depends on the ore drawing parameters .

  28. 砂金勘探地质品位贫化原因浅析

    Causes for the Dilution of Prospected Ore Grade of Placer Gold

  29. 采场结构参数对矿石损失贫化的影响分析

    Analysis of stope 's structural parameters causing ore loss & depletion

  30. 结合采矿生产实践探讨贫化损失管理

    Study on Management of Dilution and Loss Based on Mining Practices