magnetic intensity造句

• Horizontal magnetic intensity
  水平磁力强度
• Test method for measurement of thickness of nonmagnetic materials by means of a digital magnetic intensity instrument
  用数字磁化强度测试仪测量非磁性材料厚度的试验方法
• Standard test method for measurement of thickness of nonmagnetic materials by means of a digital magnetic intensity instrument
  用数字磁化强度测试仪测量非磁性材料厚度的标准试验方法
• The result shows that with the addition of rare earth elements , ultrasonic irradiation and magnetic field , the chemical component , surface configuration , microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably . such kind of change can be described as the followings . firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases , but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced , and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce , la and decreases with the addition of heavy rare earth elements such as y . on the other side , when the alloy coatings passes through the heat treatment under the temperature of 250 or 500 , their properties will change
  结果显示化学沉积co - ni - b 、 co - fe - b工艺在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超声波、磁场)介入后，沉积过程、合金成分、镀层形貌结构和性能都有显著变化，表现在：镀液的阴极极化过电位和极化度降低，沉积速度提高；镀层的结合力、表面质量改善；镀层中过渡族元素的含量增加，轻元素硼的含量降低，同时证实了稀土元素与过渡族元素共沉积的可能性；镀层的显微结构由非晶态向微晶和多晶态转变；镀层的显微硬度与耐磨性提高，力学性能优化；镀层的矫顽力降低；磁导率提高；镀层的磁化强度在能量(超声波、磁场)和轻稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。
• By the test of three - dimensional distribution , form character , rotating frequency and magnetic field intensity of rotating magnetic field , it showed that the magnetic field produced is a highly rotating magnetic field and mainly distribute on welding arc region , rotating frequency and magnetic intensity can be regulated through excitation power source
  通过对产生磁场的空间分布,形态特征,以及旋转频率和场强大小的测试证明该磁场是一个高速旋转的磁场空间,而且磁场主要集中分布在焊接电弧区域内,磁场的旋转频率和场强大小都可以通过励磁电源进行良好调节。
• 1 . based on magnetic domain energy theory , magnetomechanical effect of single cycle load is studied and it is analysed emulationally that magnetic memory characteristic parameters of single cycle load . magnitude and direction of accessional magnetic intensity are made sure of the ferromagnetism material derived from single cycle load
  全文主要研究内容如下: 1 .基于磁畴结构的能量理论,对单周期载荷力磁效应进行了研究,并对单周期载荷磁记忆特征量进行了数值仿真,确定了铁磁性材料单周期载荷的应力附加磁化强度的大小和方向。
• Considering that the yielding stress of the mr liquid can be changed continuously by adjusting the magnetic intensity in a certain range , an optimal control theory based semi - active control strategy is proposed and the effectiveness of the mr damper on offshore platform is illustrated by simulation techniques
  考虑到mr阻尼器的屈服应力可以在一定的范围内通过改变阻尼器的磁场强度连续变化，提出了基于最优控制理论的半主动实时控制策略。进行了基于mr阻尼器的海洋平台半主动控制技术研究。
• The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology , intelligent power model ( ipm ) is used for inverter switches , the output ac pulse used as excitation signals . the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current . constant current is achieved by closed loop feed back
  励磁电源结合步进电机原理与脉宽调制技术,选用智能功率模块ipm作为逆变开关器件,输出交流脉冲励磁信号,以调节励磁转换频率和励磁电流大小为手段,实现对磁场旋转频率和磁场强度大小的有效调节,并通过闭环反馈实现闭环恒流控制。