bn

abbr.  (书写形式)十亿

复数:bns

BNC.38072



牛津词典

abbr.

  1. (书写形式)十亿
    (in writing) billion

    双语例句

    1. I use count not line, with equation bn. shenzhen!
      我用算数不行,用方程总行了吧!
    2. The paper presents a Bayesian networks ( BN) framework for the reliability analysis of phased-mission systems ( PMS), named PMS-BN model.
      针对多阶段系统(PMS)的可靠性评估问题,提出了一种基于贝叶斯网络(BN)的可靠性分析模型PMS-BN。
    3. Mechanical and Physical Properties of Hot-Pressed BN Matrix Composite Ceramics
      热压烧结BN基复合陶瓷的力学与物理性能
    4. Effect of Annealing Temperature on the Magnetic Properties and Structures of [ BN/ CoPt]_n/ Ag Thin Films
      退火温度对[BN/CoPt]n/Ag薄膜磁性和结构的影响
    5. MRCI Study on Analytical Potential Energy Functions and Spectroscopic Properties of BN Molecule
      MRCI方法研究BN分子结构和解析势能函数
    6. Can we expect social networking functionality on that level in the new Battle. net?
      我们可以期待新BN的网络社区可以达到哪样的水准吗?
    7. Influence of work gas pressure on field emission characteristics for BN thin films
      工作气压对氮化硼薄膜场发射特性的影响
    8. Theoretical Study on Adsorption of CO on Novel Pt-doped BN Nanotube
      铂掺杂氮化硼纳米管及CO在其表面的吸附行为的理论研究
    9. Objective To investigate the allergenicity on HPT ( hygromycin B phosphotransferase) protein with BN rat model.
      目的用BN大鼠致敏模型对HPT蛋白的致敏性进行研究。
    10. Influence of boron buffer implantation layer on growth of BN films
      硼缓冲注入层对氮化硼薄膜生长的影响
    11. Comparative theoretical study of hydrogen storage in single-walled boron-nitride and carbon nanotubes
      单壁BN纳米管和碳纳米管物理吸附储氢性能的理论对比研究
    12. Structures and Magnetic Properties of [ BN/ CoPt]_n/ Ag Thin Films
      [BN/CoPt]n/Ag薄膜的结构与磁性
    13. Microstructure investigation showed that the zirconia and impurity phases were dispersed in the BN layer matrix.
      显微结构分析表明,氧化锆和杂质相镶嵌在氮化硼层状基质中。
    14. Oxidation Behavior of AlN and AlN/ BN Laminated Composites Ceramics at High Temperatures
      AlN和AlN/BN层状复合陶瓷的高温氧化行为
    15. Effect of BN on mechanical and tribological properties of BN/ Ni ( Cr) self-lubricating composites
      BN含量对BN/Ni(Cr)自润滑材料力学及摩损性能的影响
    16. The Potential Energy Function and Thermodynamic Properties of BN and AlN for the Ground States and Lower Excited States
      BN和AlN分子基态与低激发态的势能函数与热力学性质
    17. Effect of Porosity on Mechanical and Dielectric Properties of 20% BN/ Si_3N_4 Composite Porous Ceramics
      孔隙率对20%BN/Si3N4复合多孔陶瓷力学与介电性能的影响
    18. Meanwhile, Japan's foreign currency reserves rose by$ 201 bn.
      同时,日本的外汇储备增加了2010亿美元。
    19. Thermal Conductivity and Tensile Properties of BN, SiC and Ge Nanotubes
      氮化硼,碳化硅和锗纳米管的导热与拉伸力学特性研究
    20. The high speed machining technology and the characteristics and application of high speed cutting tool with ceramic tool, diamond tool, cubic BN tool and coated tool were introduced.
      介绍了高速切削加工技术及模具高速切削所使用的陶瓷刀具、金刚石刀具、立方氮化硼刀具、涂层刀具的性能特点及应用,探讨了模具高速切削刀具材料的发展方向。
    21. Theoretical Investigations on Structure, Electronic Properties, and Gas Adsorption of BN Nanotube with Vacancy Defects or Doped Defects
      缺陷、掺杂氮化硼纳米管的结构、电子性质及其表面气体吸附行为的理论研究
    22. Preparation and Microstructure of the B_4C/ BN Nanocomposite Powders
      B4C/BN纳米复合粉末的制备与显微结构的研究
    23. BN interwoven microstructure will prevent grain boundary slip and reduce the attenuation rate of high temperature strength.
      氮化硼的编织状结构可阻碍晶界的滑移,降低材料高温强度的衰减率。
    24. Study on the Band Gaps of Complex BN Lattice Phononic Crystals with Solid/ Air System
      复式BN结构固/气型声子晶体的带隙研究
    25. The study on microstructure and mechanical properties of BN fiber by electronic microscope
      用电子显微技术研究氮化硼纤维的微观结构和力学性能
    26. We believe he is a good actor from his performance in BN.
      我们相信他是一个好演员,通过他在情迷彼得堡里的表现就可以看出。
    27. It also gives out a fault diagnosis method of power transformer based on rough set theory and Bayesian network ( BN).
      通过变压器故障实例分析,证实了该方法的正确性和有效性。
    28. The second step is to evaluate for BN, decide prior probability and conditional probability.
      再为贝叶斯网络赋值,确定先验概率和条件概率。
    29. Theoretical Study on the Molecular First Hyperpolarizability of B and N-Doped Fullerene C_ ( 34) BN
      硼氮掺杂富勒烯C(34)BN的分子第一超极化率理论研究
    30. Effect of high pressures on structural, electronic and optical properties of BN nanotube
      高压对氮化硼纳米管的几何结构、电子结构和光学性质的影响