NO分子b4∑--a4∏i（4，0）带的吸收光谱

通过对NO与He流动混合气体放电,产生了激发态的NO（a4∏ii）分子．利用光外差-浓度调制吸收光谱技术测量了NO分子在12530-12850cm-1波段内的吸收光谱,并标识出b4∑--a4∏i（4,0）带在该波段内的324条跃迁谱线．采用标准4∑--4∏i哈密顿量模型,通过非线性最小二乘法拟合其中267条谱线,拟合残差（0．0071cm-1）接近实验系统测量误差（0．007cm-1）．获得的主要分子常数与文献提供的常数符合,并且拟合得到了精细结构分子常数．     

On self-affine tiles that are homeomorphic to a ball

Let M be a 3×3 integer matrix which is expanding in the sense that each of its eigenvalues is greater than 1 in modulus and let D?Z³ be a digit set containing |det M| elements. Then the unique nonempty compact set T = T(M, D) defined by the set equation MT = T+D is called an integral self-affine tile if its interior is nonempty. If D is of the form D = {0, v,...,(|det M|-1)v}, we say that T has a collinear digit set. The present paper is devoted to the topology of integral self-affine...     

Isospin-conserving hadronic decay of the Ds1(2460) into Dsπ+π-

The internal structure of the charm-strange mesons D_s0^*(2317) and D_s1(2460) are the subject of intensive studies.Their widths are small because they decay dominantly through isospinbreaking hadronic channels D_s0^*(2317)⁺→D_s⁺π⁰ and D_s1(2460)⁺→D_s^*+π⁰.The D_s1(2460) can also decay into the hadronic final states D_s⁺ππ...     

An infinite-dimensional representation of the Ray-Knight theorems

The classical Ray-Knight theorems for the Brownian motion determine the law of its local time process either at the first hitting time of a given value a by the local time at the origin, or at the first hitting time of a given position b by the Brownian motion. We extend these results by describing the local time process jointly for all a and b, by means of the stochastic integral with respect to an appropriate white noise. Our result applies to μ-processes, and has an immediate application: a μ...     

BANACH SPACES AND INEQUALITIES ASSOCIATED WITH NEW GENERALIZATION OF CESàRO MATRIX

Let the triangle matrix A^ru be a generalization of the Cesàro matrix and U ∈{c₀,c,l_∞}.In this study,we essentially deal with the space U(A^ru) defined by the domain of A^ru in the space U and give the bases,and determine the K?the-Toeplitz,generalized K?theToeplitz and bounded-duals of the space U(A^ru).We characterize the classes(l_∞(A^ru):l_∞),(l_∞(A^ru):c),(c(A^ru):c),and...     

受限纳尺度下蛋白质输运的主动操纵技术

蛋白质是人体细胞、组织的重要组成部分,与众多代谢活动密切相关,它们的一些微小改变就可能引发人体的重大疾病.因此,蛋白质检测是生物化学领域的重要课题.纳米孔技术能够在单分子水平甚至单氨基酸水平上实时检测蛋白质,有望成为最低成本和最高效的蛋白质检测方法之一.然而,使用纳米孔检测蛋白质时,由于实验条件和检测策略的原因,使得蛋白质在纳米孔中驻留时间过短,无法从蛋白质捕获的电信号中清晰地反映更多的生物细节信息.解决这一问题的关键在于控制蛋白质通过纳米孔时的输运速度,满足传感器件带宽的要求.本综述从外部力场竞争、内部力场相互作用、亲疏水相互作用、空间位阻效应等角度综述了蛋白质在纳米孔中输运的主动操纵技术,目的是提高纳米孔对蛋白质的捕获频率,延长蛋白质在纳米孔内的驻留时间,以实现高分辨率的蛋白质检测,充分揭示蛋白质分子的构象变化机制、反应动力学,甚至实现蛋白质测序等.最后对纳米孔传感技术在蛋白质检测方面存在的巨大挑战和发展趋势进行了详细展望和总结阐述.     

关于一类潜在空间问题的数值计算

潜在空间模型是网络数据统计建模和可视化的有效工具.随着网络规模的不断扩大,潜在空间模型的计算也面临着巨大挑战.在本文我们应用对偶半邻近交替方向乘子法(dual semiproximal Alternating Direction Method of Multipliers,简称dsADMM)求解大型网络的通用潜在空间模型拟合问题.并在一些温和的条件下分析了该算法的全局收敛性.数值试验验证了该算法的有效性.     

Three-dimensional mixed convection stagnation-point fow past a vertical surface with second-order slip velocity

This study is concerned with the three-dimensional(3D) stagnation-point for the mixed convection flow past a vertical surface considering the first-order and secondorder velocity slips. To the authors’ knowledge, this is the first study presenting this very interesting analysis. Nonlinear partial differential equations for the flow problem are transformed into nonlinear ordinary differential equations(ODEs) by using appropriate similarity transformation. These ODEs with the corresponding boundar...     

镍铁层状双金属氢氧化物在不同pH电解液体系中的析氧反应（英文）

利用可再生电力驱动水分解提供了一种绿色和可持续的方式来生产氢气(H₂),而提高水分解效率的关键是开发高效的电催化剂.作为水分解反应的阴极,析氢反应(HER)仅需要两电子转移,目前的研究较为成熟.相比之下,析氧反应(OER)因涉及四个电子的转移,比HER过程更复杂.在众多析氧催化剂中,镍铁(NiFe)基电催化剂是碱性电解液体系中最佳的OER催化剂之一,然而其在中性及近中性体系中活性降低较多,从而限制了其在中性的海水电解及二氧化碳还原体系中的应用.目前,造成NiFe基催化剂在中性体系中性能较差的具体机制尚不清晰.文献报道,随着体系pH逐渐降低,NiFe基催化剂析氧性能也会随之变差;深入研究发现,碱性体系中更易于形成高价的Ni,Fe物质,但其是否对催化剂在水分解过程中有影响仍有待进一步研究.本文将电化学测试与原位光谱技术相结合,对镍铁层状双金属氢氧化物(NiFe LDH)在不同pH电解液体系中的析氧反应机理进行深入研究.电化学测试结果表明,随着pH值逐渐降低,NiFe LDH催化剂的析氧性能逐渐变差.原位表面增强拉曼光谱结果表明,不同pH电解液体系中NiOOH和“活性氧...