A Phantom Study of Magnetoacoustic Tomography with Magnetic Induction (MAT-MI) for Imaging Electrical Impedance of Biological Tissue [0.03%]
磁感应式磁声成像技术(MAT-MI)的伪影研究及其组织生物电阻抗成像性能评估
Xu Li,Yuan Xu,Bin He
Xu Li
An experimental feasibility study was conducted on Magnetoacoustic-Tomography with Magnetic Induction (MAT-MI). It is demonstrated that the 2-dimensional (2D) MAT-MI system can detect and image the boundaries between regions of different el...
C A Grimes,K G Ong
C A Grimes
A method is presented for transforming the high frequency bias susceptibility measurements of ferromagnetic thin films into the form of a MH loop with, depending upon the measurement geometry, the y-axis zero crossing giving a measure of th...
Laser pyrolysis fabrication of ferromagnetic gamma'-Fe4N and FeC nanoparticles [0.03%]
激光热解法制备铁磁性γ'-Fe4N和FeC纳米颗粒
C A Grimes,D Qian,E C Dickey et al.
C A Grimes et al.
Using the laser pyrolysis method, single phase gamma'-Fe4N nanoparticles were prepared by a two step method involving preparation of nanoscale iron oxide and a subsequent gas-solid nitridation reaction. Single phase Fe3C and Fe7C3 could be ...
Magnetoelastic sensors in combination with nanometer-scale honeycombed thin film ceramic TiO2 for remote query measurement of humidity [0.03%]
结合纳米级蜂窝薄陶瓷TiO2的磁弹性传感器远程查询湿度变化
C A Grimes,D Kouzoudis,E C Dickey et al.
C A Grimes et al.
Ribbonlike magnetoelastic sensors can be considered the magnetic analog of an acoustic bell; in response to an externally applied magnetic field impulse the sensors emit magnetic flux with a characteristic resonant frequency. The magnetic f...
Control of the permeability loss-peak frequency of Ni81Fe19 thin films through laser ablation of triangular and square cluster geometries [0.03%]
通过激光刻蚀三角形和方形簇结构调控Ni81Fe19薄膜的穿透损耗-频率峰值
C A Grimes,J K Lumpp
C A Grimes
Laser ablation arrays of triangular and square shaped clusters, comprised of 23 micrometers diam circular holes, are defined upon 100 nm thick Ni81Fe19 films used to control the rf permeability spectra. Cluster-to-cluster spacing is varied ...
Simulation of radiation effects on three-dimensional computer optical memories [0.03%]
辐射对三维计算机光存储影响的模拟研究
M Moscovitch,D Emfietzoglou
M Moscovitch
A model was developed to simulate the effects of heavy charged-particle (HCP) radiation on the information stored in three-dimensional computer optical memories. The model is based on (i) the HCP track radial dose distribution, (ii) the spa...
Atomic mean excitation energies for stopping powers from local plasma oscillator strengths [0.03%]
基于局部等离子体电偶极矩强度的原子平均激发能用于输运截断参数计算
J W Wilson,Y J Xu,C K Chang et al.
J W Wilson et al.
Mean excitation energies for stopping by isolated atoms are accurately predicted by the plasma absorption spectrum associated with the atomic orbitals when the plasma frequency shift due to individual electron motion proposed by Pines [Phys...
Effect of void-size distribution on the Hugoniot state at low shock pressures [0.03%]
孔径分布对低冲击压下的拟霍格尼奥特状态的影响
D J Griffiths,D J Buettner,P Tsou
D J Griffiths
In most theoretical and experimental investigations into the shock response of underdense solid media, the influence of the medium's mesostructure on the resulting pressure and degree of compaction has not been taken into account. In typica...
Positive holes in magnesium oxide. Correlation between magnetic, electric, and dielectric anomalies [0.03%]
镁氧化物中的空穴。磁、电和介电异常的相关性研究
F Batllo,R C LeRoy,K Parvin et al.
F Batllo et al.
Magnetic susceptibility measurements of high purity MgO single crystals ( 600 K, probably forming at first V0 centers (two O- at an Mg2+ vacancy), then V- centers (single O- at an Mg2+ vacancy), and releasing mobile O- states. These O- repr...