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- The device can measure the oscillator frequency when the resonance occurs, get the magnetic induction based on the Larmor precession formula, and display it by the Liquid Crystal Display (. 通过对共振点处边缘振荡器的振荡频率进行测量,由单片机根据拉莫进动公式计算出磁感应强度,送液晶显示器输出。
- Keywords magnetic resonance imaging;nuclear spin;Larmor precession; 磁共振成像;核自旋;拉莫尔进动;
- Larmor precession 拉莫尔旋进,拉莫尔进动
- larmor precession frequence 拉菲尔旋进频率
- Larmor precession frequency 拉莫尔进动频率
- To move in or be subjected to precession. 产生进动向前运动或被驱向前
- To move inor be subjected to precession. 产生进动向前运动或被驱向前。
- This gyroscopic motion is called precession. 此陀螺运动叫做进动。
- This movement is called precession. 这一移动称为岁差。
- And calculated the anomalous precession of the orbit of Mercury. 计算出水星轨道进动的。
- He then accounts for the precession of the equinoxes. 然后他解释分点岁差。
- It goes backward, and is therefore called a precession. 它有前向后推，因此称做一个岁差。
- In the third chapter, precession cone semi-angle is discussed. 第三章主要讨论进动锥角的问题。
- Spacecraft tracking could look for a similar precession of Mars's orbit. 利用追踪太空船，也可以找寻火星轨道类似的进动。
- The precession direction is determined by the initial phase of precession AC. 进动方向由进动电流的初始相位决定。
- Sir Joseph Larmor, an Irish mathematician, proposed in 1919 that it was generated spontaneously by the swirling of molten metal inside the planet. 1919年，爱尔兰的数学家约瑟夫?拉莫尔提出它是随着地球内部已溶金属（导电流体）的旋转而自然形成的。
- Then, a simple discussion on solitary precession cone semi-angle follows. 并对进动锥角是否有独立性做了一点讨论。
- The poles of the Earth precess at a right angle to the force that is applied. 地球的两极按照施加的力的大小以正确的角度不断地步进。
- In Section I, the Larmor equation was introduced to elaborate the relationship between the angular frequency of a processing proton and the strength of the applied magnetic field. 本文第一章介绍了在外磁场中氢核遵守拉莫尔方程而产生共振信号的核磁共振原理。
- The tilting of the gyro continues until the erection torque balances the torque producing the precession. 陀螺继续倾斜直至修正力矩与产生进动的力矩平衡。
