| 1. | A current is sent transversely through the liquid metal, in a direction at right angles to a transverse magnetic field . 使电流横穿过液态金属,其方向又与横向磁场垂直。 |
| 2. | Thermally assisted quantum tunneling in a uniaxial ferromagnetic particle in transverse magnetic field 单轴铁磁颗粒激发态的热助量子隧穿 |
| 3. | I the chaos analysis of rectangular plate under distributed load in transverse magnetic field i 横向磁场中矩形薄板在分布载荷作用下混沌分析 |
| 4. | The application of contacts optimization for the longitudinal and transverse magnetic fields in vacuum arc extinguish chambers 真空灭弧室纵向和横向磁场触头优化应用 |
| 5. | The soft magnetic properties have become better in samples annealed at 400 c for 1 hour in a transverse magnetic field of 15 oe at vacuum atmosphere 在真空条件下400加15oe磁场退火1小时后,样品软磁性能得到较大改善。 |
| 6. | The narrow slot can simulate an infinite thin transverse magnetic wall in the patch , by the agency of which the relative electrical dimension of the effective part of radiation is enlarged 由于槽很窄,它可模拟为在贴片中插入一无限薄的横向磁壁,从而加大了天线有效辐射部分的相对电尺寸。 |
| 7. | In the paper , the fundamental equtions for vibration problem of circular plate in transverse magnetic field are derived and the vibration speciality of a circular plate fixedly supported at circumference is investigated 摘要给出了横向磁场中圆形薄板振动的基本方程,并对周边固支圆板的振动特性进行了分析。 |
| 8. | It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling . first , a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects . then , spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii . finally using the periodic instanton method we evaluate the transition amplitude , energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained 文章首先对磁性宏观量子效应的理论和实验方面作了简单介绍,然后借助于ulyanov和zaslavskii发展的一种等效势描述方法,把外磁场沿难磁化轴方向时的自旋隧穿约化成在等效双势阱中运动的粒子,利用瞬子方法给出基态能级劈裂,最后利用周期瞬子方法分别计算了隧穿幅、能级移动以及wkb前因子,从而给出由于热助量子隧穿引起的激发态的隧穿率。 |
| 9. | A reflective polarizer based on a double - layer subwavelength metal - dielectric grating structure is presented here . numerical simulations show that at normal incidence , this polarizer reflects light polarized perpendicular to the grating lines ( transverse magnetic polarization ) , but strongly absorbs parallel - polarized light ( transverse electric polarization ) . the polarization extinction ratio is very high 理论计算表明,零角度入射时,该光栅结构在可见波段对tm波有很高的反射率,而对te波强烈吸收,即可获得很高的反射光偏振比,可以作为理想的集成偏振器件。 |