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磁分离技术具有分离速率快、效率高、无二次污染、占地少、投资低、操作方便等优点，在水处理领域得到了越来越多的研究和应用，特别是随着超导高梯度磁分离技术以及磁分离器设计的进一步发展，其在水处理领域极具潜能.因此，本文通过文献调研，分析和总结了目前主要磁分离技术（例如，磁场直接应用、磁絮凝-磁分离、磁吸附-磁分离、磁催化-磁分离及磁分离耦合技术）在水处理领域的研究进展，介绍了近年来磁分离技术在国内水处理...
偏置磁场对磁致伸缩液位传感器检测电压的影响
偏置磁场 磁致伸缩液位传感器 检测电压 有限元法
2016/12/16
为了提高磁致伸缩液位传感器的检测精度，研究了磁致伸缩液位传感器中产生偏置磁场的浮子磁铁的放置方式及其对检测电压的影响。利用ANSYS软件对浮子磁铁不同放置方式下形成的偏置磁场进行了有限元分析，分析显示：采用3块磁铁互成120°N极N极S极（NNS）放置或者采用圆环磁铁作为偏置磁场时检测效果比较理想。实验研究了磁致伸缩液位传感器的偏置磁场对检测电压的影响，并在浮子磁铁不同放置方式下进行多次实验。结果...
量子科学实验卫星微振动地面测试与估计方法
量子科学实验卫星 微振动 地面测试 信号估计
2018/5/4
介绍了卫星微振动地面测试和信号估计方法.根据量子科学实验卫星特点，对动量轮运行状态下光学载荷的微振动线位移及角位移进行估计.通过地面微振动测试系统，测量了动量轮运行下光学载荷的微振动加速度；应用小波积分方法，精确估计了卫星结构敏感点的振动线位移和振动角位移.通过工程实测证明了微振动测试与估计方法的有效性.研究结果对于高精度科学实验卫星微振动地面试验具有一定工程应用意义.
We present an analytical study on the resilience of topological order after a quantum quench. The system is initially prepared in the ground state of the toric-code model, and then quenched by switchi...
Optomechanics of Levitated Dielectric Particles
Optomechanics optical trapping Brownian motion macroscopic quantum mechanics sensor
2016/1/23
We review recent works on optomechanics of optically trapped microspheres and nanoparticles in vacuum, which provide an ideal system for studying macroscopic quan-tum mechanics and ultrasensitive forc...
Experimental Observation of Entanglement Duality for Identical Particles
entanglement duality quantum indistinguishability quantum mechanics
2016/1/22
It was shown recently that entanglement of identical particles has a feature called dualism (Bose and Home 2013 Phys. Rev. Lett. 110 140404), which is funda-mentally connected with quantum indistingui...
HOLOMORPHIC FRAMES FOR WEAKLY CONVERGING HOLOMORPHIC VECTOR BUNDLES
HOLOMORPHIC FRAMES HOLOMORPHIC VECTOR BUNDLES
2015/12/17
Perhaps the most useful analytic tool in gauge theory is the Uhlenbeck compactness theoremfor sequences of unitary connections on hermitian vector bundles [U]. Given connections {Dj} ona bundle E over...
HIGGS BUNDLES AND LOCAL SYSTEMS ON RIEMANN SURFACES
HIGGS BUNDLES LOCAL SYSTEMS RIEMANN SURFACES
2015/12/17
These notes are based on lectures given at the Third International School on Geometry and Physics at the Centre de Recerca Matem`atica in Barcelona, March 26–30, 2012. The aim ofthe School’s four lect...
铀酰-Salophen与四氢吡咯之间氢键的量子化学研究
密度泛函理论(DFT) 铀酰-Salophen 氢键 四氢吡咯
2018/10/8
基于密度泛函理论(DFT)计算方法,对铀酰-Salophen与四氢吡咯及水分子之间形成的氢键进行了理论计算及分析.结果表明体系1和体系2中的氢键键长都小于0.228 nm,键角都在160°~178°之间,体系1中Salophen的O1与四氢吡咯上的H1之间的氢键相互作用能EHB=-10.658 kJ/mol,在体系2中铀酰的O3与四氢吡咯上的H3及O1与H1之间的氢键相互作用能分别为EHB=-...
Highly directive current distributions:General theory
Highly directive current distributions General theory
2015/10/16
A theoretical scheme for studying the properties of localized, monochromatic, and highly directive classical current distributions in two and three dimensions is formulated and analyzed. For continuou...
Electromagnetic fields in air of traveling-wave currents above the earth
Electromagnetic fields air of traveling-wave currents the earth
2015/10/16
The problem of the electromagnetic field created by a thin, straight conductor of infinite length carrying a forward traveling-wave current with a complex propagation constant g above a homogeneous an...
Asymptotic formula for the condensate wave function of a trapped Bose gas
Asymptotic formula condensate wave function trapped Bose gas
2015/10/16
An analytical property is pointed out for the universal differential equation first derived by Dalfovo, Pitaevskii, and Stringari for the condensate wave function at the boundary of a trapped Bose gas...
Two-dimensional,highly directive currents on large circular loops
Two-dimensional highly directive currents large circular loops
2015/10/16
Properties of idealized, two-dimensional current distributions on circular loops are investigated analytically via the solution of a constrained optimization problem.The directivity in the far field i...
Exactly calculable field components of electric dipoles in planar boundary
calculable field components electric dipoles planar boundary
2015/10/16
The Sommerfeld integrals for the electromagnetic fields in the planar boundary between air and a homogeneous, isotropic medium, due to a horizontal and a vertical electric dipole each lying along the ...
Radiation of horizontal electric dipole on large dielectric sphere
Radiation horizontal electric dipole large dielectric sphere
2015/10/16
The electromagnetic field in air of a radiating electric dipole located below and tangential to the surface of a homogeneous, isotropic and optically dense sphere is studied anew. The starting point i...
