From the basic origin of magnetism\_molecular current\_the diamagnetic mechanism of magnetic medium is explained rigorously by analysing the electronic procession in magnetic field.
本文从物质磁性的基本起源“分子电流”出发 ,通过分析电子在外磁场中的旋进 ,严格分析了磁介质的抗磁性的微观机理 。
The angular velocity of procession of the angular momentum of a top is introduced.
引入陀螺总角动量的旋进角速度，从运动学角度讨论高速自转陀螺的旋进和章动，用简便方法给出旋进角速度和章动角速度的定量关系式并讨论近似结果。
Analysis of precession of satellite s perihelion——On the carelessness of a paper;
对卫星近日点旋进现象的分析——“地球的扁率对卫星运动的影响”一文的疏忽
The precession of orbit of electron induced by atomic kernel polarization forthe alkali atom is discussed from two aspects.
本文从两种角度出发，导出多电子原子体系（碱金属原子）因原子实的极化效应所引起的轨道的旋进，得到同样的结果。
Theprecession oftheorbitofthesatelliteisalsoanalyzed .
推导出地球引力场的势能 ,分析了卫星的椭圆轨道旋进的现
Research on the Precession Vortex Core in the Flow Field of Cyclone Separators With Double Tangential Inlets;
双入口直切式旋风分离器流场内旋进涡核现象的研究
The motion of precession vortex core (PVC) in a cyclone separator is described and the influence of PVC on the flow field in the cyclone separators is analyzed A method to calculate the velocities in flow field concerning with the influence of the PVC is deduced by meanings of vortex induced velocity The result shows good agreement comparing with the calculating and the experimental dat
定性分析了非稳态旋进涡核在旋风分离器流场中的运动形式及其对流场的影响。
Experimental study on heat transfer of precessing jets impinging on flat plate;
旋进射流冲击平板的传热实验研究
The flow field of a self-excited precessing jet was numerically simulated and its influence to a heating plate was obtained using Large-Eddy Simulation(LES)model.
本文使用大涡模拟模型对自激励旋进射流的内部流场和冲击平板换热的温度场进行数值模拟,得到了不同进口Re数和不同膨胀比情况下的旋进射流的内部流场和冲击平板的温度场,并在此基础上分析了不同进口Re数和不同膨胀比对换热Nu数的影响。
The principle of proton precession magnetometer is recommend,and the characters of MSP430 low power-consumption MCU(Micro Control Unit) are mentioned.
针对国产的磁力仪功耗大,稳定性较差,精度较低(±1 nT)的问题,采用超低功耗单片机MSP430F149,设计了基于MSP430的质子旋进式磁力仪。
There are low sensitivity and heading error for a proton precession ma.
结果表明标准质子旋进式海洋磁力仪灵敏度较低,存在进向误差,但无死区,价格最为低廉,适合于对灵敏度要求不高的工程和科研地球物理调查。