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magnetic造句
151. The accuracy of global field models depends on the worldwide network of magnetic observatories. 152. These are simple small disks made out of magnetic material which are small enough to be carried in a briefcase. 153. Ground magnetic surveys were continued in the Exeter district to investigate anomalies seen on aeromagnetic contour plots. 154. The other acts as a pickup coil producing a voltage proportional to the rate of change of magnetic flux linking it. 155. After undergoing a magnetic resonance imaging test yesterday at Pennsylvania Hospital in Philadelphia, Gagne was told what doctors had already suspected. 156. The virtual particle can interact with the magnetic field and affect the moment of the muon. 157. At these higher frequencies, radio uses a mixture of vibrating electric and magnetic fields instead of fluctuating sound waves. 158. More strikingly, it demonstrated that a toroidal discharge in a toroidal magnetic field established its own stable configuration. 159. Among them was Christopher Hitchens, the Washington-based writer, a figure of magnetic charm and great volubility. 160. All magnetic material was excluded, and the insulating elements of the balance were plated with metal to eliminate any electrostatic effects. 161. The effect of these gradients s to cause the nuclear magnetic resonance signal to form a series of spin echoes. 162. Coiling the wire into a loop permits directional flow of the magnetic flux through the loop. 163. They cooled the sample below its critical temperature so it became superconducting, then applied an increasingly strong magnetic field. 164. The present P10 flat fare using tokens will be replaced by a graduated fare structure using stored-value magnetic stripe cards. 165. Internal injuries are detected through magnetic forces which are then relayed on to computer screens. 166. Results of computed tomography and magnetic resonance imaging were normal. 167. Observations by Mariner 10 have demonstrated that Mercury does have an intrinsic magnetic dipole moment. 168. They are using a type of magnetic resonance imaging to demonstrate consciousness in comatose patients. 169. The developer hopes it would link with the existing Magnetic Imaging Centre, which already operates a sophisticated body scanner. 170. Pedal pushers in Darlington often go unnoticed by a magnetic loop system at a pedestrian crossing on Parkgate. 171. A dozen flying machines and their pilots would be no more than a blip on a piece of magnetic tape. 172. Not surprisingly these force patterns resemble the pattern of magnetic field lines across the aperture of a quadrupole magnet. 173. For convenience, this information is not stored in human form, but in some magnetic or electronic device. 174. If this is simply a directional gyro it must be synchronised with the magnetic compass at frequent intervals. 175. For R N transitions they should have plotted the north magnetic pole. 176. In the case of the human body, that steady field is the Earth's magnetic field. 177. Together with differential rotation, this causes a large amount of mechanical energy and magnetic flux to pass through the surface. 178. This included new forms of magnetic tapes, each of which could hold hundreds of intercepted microwave communications channels. 179. Earth has an actively convecting dense metallic core that produces and sustains a strong magnetic field. 180. To store more data and programs when the power is off, most computers use magnetic discs.