- In contrast, transverse waves have particle vibrations that are perpendicular to the direction of wave travel. For example, if a wave is moving horizontally, the particles vibrate up and down. 5. Conclusion: -
Particle theory（粒子理论）指的是物质由许多微小的粒子组成，这些粒子不断运动，与周围环境相互作用。该...
Analysis of the model suggests that particles with triangular metal-patches align their plane of mirror symmetry neither parallel nor perpendicular to the field axis but rather at an oblique angle θ (Fig. 4a, Supplementary Fig. 7). With this angle fixed, the particles rotate about the field ...
perpendicular to the direction of movement of the particles.【物理学】 粒子流密度:在与粒子的移动方向垂直的指定平面上每单位时间内通过每单位面积的亚原子粒子的数量A waxed or unwaxed thread used to remove food particles and plaque from the teeth.洁齿线:一种上蜡或未上蜡的用于去除牙齿上的食物残碴和...
2.2 Drift Motion 31 2.2.2 Gradient and Curvature Drifts The charged particles in the radiation belts move in a nearly dipolar magnetic field of the Earth that is curved and has gradients perpendicular to and along the field. Consider a spatially inhomogeneous magnetic field, assuming that the ...
Equation (5) yields the transverse thermophoretic velocity, \(u_y\), of the particle, i.e., the velocity perpendicular to its symmetry axis. Assuming a constant temperature on the gold hemisphere, the only contribution for the transverse velocity \(u_y\) results from the temperature gradients...
Besides the standing wave approach, traveling SAWs can also be used to achieve separation75,76,77,78,79,80,81,82. In this case, one pair of IDTs generates propagating SAWs perpendicular to the channel, as shown in Fig. 2d. As it will be explained in more detail, differential effects ...
The intensity jα(E, r) of particles of a given class and kinetic energy is defined as the number of particles coming from a given direction which impinge per unit time, unit solid angle and unit energy, on a surface of unit area oriented perpendicular to their direction of incidence. If...
Suppose the velocity of the particle changes only in direction, that is, suppose the force is directed perpendicular to the velocity. Then (9.2)dpdt=m1−υ2c2dvdt. If the velocity changes only in magnitude, that is, if the force is parallel to the velocity, then (9.3)dpdt=m(1−υ2...
since the momenta of the photons are changed. For the plane perpendicular to the direction of light beam, an intensity profile with high symmetry will result in a force that will tend to move the object into the center of beam, since the force from the refraction, which points to the cent...