Magnetic gradient tensor is that the three components of the magnetic field vector space rate of change, is able to do well for the dipole localization and tracking. 磁力梯度张量表示的是磁场矢量三个分量的空间变化率,能够很好地用于偶极子场源的定位跟踪。
Through treatment of soybean seeds with high voltage electric field the impact of the electric field on emergence rate, fresh and dry weight, spouse length and germination energy were studied. 通过对大豆种子进行高压静电处理,研究了高压静电场对大豆种子发芽率及发芽后的鲜重、干重、芽长和发芽势等指标的影响。
Numerical Simulation of Gas Efflux Field with Finite Rate Chemical Reactions 含有限速率化学反应火箭燃气射流流场的数值模拟
Effect of Traveling Electromagnetic Field on Desulphurization Rate of Hot Metal Pretreatment 移动电磁场对铁水预处理脱硫速度的影响
Effect of the cusp magnetic field on flow field and pulling rate during Si single crystal growth processes 硅生长过程中尖形磁场对流场及提拉速率的影响
Value of primary diagnosis and screening for moyamoya disease with low field MRA Rate of cache filter hits. Queries were answered by filtering an existing cache entry. 低场MRA在烟雾病筛查及初步诊断的价值高速缓存筛选命中的速率。通过筛选现有的高速缓存项回答了查询。
There was a significant negative correlation between electric conductivity rate, effusion of seed inclusion and germination rate, field emergence rate of seed. 电导率和内含物外渗量与种子发芽率、田间出苗率之间呈显著负相关。
The kinematically admissible velocity field and strain rate field for extension forging of rounds have been established. 建立了圆坯拔长锻造的运动许可速度场与应变速率场。
Similarly, The field germination rate of former specie was 68.7%, significantly higher than latter specie ( 36. 3%). 秃叶黄皮树种子的田间发芽率为68.7%,极显著高于黄檗的36.3%;
We studied the effect of mirror magnetic field to deposition rate and homogeneity in large area, moreover, gained large-area homogeneous films at high deposition rate. 研究了磁镜磁场对薄膜沉积速率及均匀性的影响,并且在实验中得到了高沉积速率、大面积均匀的a-Si:H薄膜。
The optimization low water limits of tobacco at the root-extended period 、 flourishing-growth period and maturing period are 60 、 80 、 70 percent of field water-holding rate respectively. 在烟草的伸根期、旺长期、成熟期的最适水分控制下限为60-80-70(为田间持水率的百分数)。
The spatial variability of an experimental field infiltration rate is examined by using the theory of time series of dynamic analysis method. 本文应用动态数据处理方法中时间序列的理论,对一田间试验地块稳定入渗率的空间变异性进行了分析研究。
Effect of the Field Voltage Rate Feedback in the Excitation Control Systems with Alternator-Rectifier Exciters& An Analysis with the Help of the Microcomputer 交流励磁机整流励磁系统转子电压软负反馈的作用&微型计算机辅助分析
Finally we have studied the magnetic field sweep rate dependence of flux jump, and discussed the influence of flux creep on flux jump. 最后,研究了磁通跳跃对磁场扫描速率的依赖关系,并讨论了磁通蠕动对磁通跳跃的影响。
The properties and importance of photomultiplier in measuring flow field rate are introduced and an experimental system is presented. 本文介绍光电倍增管在流场速度测量中的特点及重要性,给出了实验系统。
The effect of the field voltage rate feedback in the excitation control system with alternator-rectifier exciter is analysed with the help of the microcomputer and a technigue for selecting the parameters of the field voltage rate feedback is presented in this paper. 本文借助于微型计算机对交流励磁机整流励磁系统转子电压软负反馈的作用进行了分析,并提供了选择转子电压软负反馈参数的方法。
Field corrosion rate tests on carbonate rocks 碳酸盐岩岩块野外溶蚀速度试验
Shots are classified into four types: long-view shot, middle-view shot, close-up shot and out of field shot, using field rate, shape and areas of player in the field. 通过对场地分割结果中场地比例、场地中球员形状和面积等特征的分析,将镜头分为长镜头、中镜头、特写镜头和场外镜头四类。
The changes of the characteristics of resistance, temperature field and flow rate have been investigated. 通过研究阻力特性、模拟变压器及散热器温度场、循环流量等因素的改变,对新型散热器的总传热系数和循环流量进行了简单分析计算。
Price Regulation in Transmission and Distribution Field& Rate of Return Regulation 我国输配电价格管制&回报率管制研究
The sensor can be used for localized flow field measuring and whole field flow rate can be calculated according to flow field distribution. The sensor accuracy is in the range of 3%. 利用上述方法制成的传感器可测量局域流场,并可根据大管径流场分布计算整体流场速度,经实验室测量,精度为3%。
A computer automatic data acquisition and control system which can be used for data acquisition and reduction of temperature field during high rate directional solidification ( HRS) process has been developed. 建立了一套炉前计算机数据自动采集和控制系统,该系统可对HRS定向凝固过程的温度数据进行自动采集。
It was found that due to the high aspect ratio of holes for the high density application, weak plating quality and copper corrosion attribute to the via hole crack, resulting in a high field return rate. 由于高密度的封装,电镀质量的薄弱和铜腐蚀导致了通孔开裂,使返厂维修率很高。
Increase in fertilizer and increase the planting density reduced to varying degrees field transmittance rate of Ligusticum chuanxiong. 2. 增加施肥量和增大种植密度会不同程度降低川芎田间透光率。
The propagation equation for the optical field and the rate equation for the carrier density in SOA are derived. 推导了SOA中最基本的光场传输方程和载流子速率方程,讨论了SOA中的各种非线性效应。
This paper chooses the combination of indicators to evaluate the quality of the fingerprint comprehensively. The indicators include the foreground area, the directional contrast, the orientation coherence and the orientation field changing rate after smooth. 本文首先选定综合评价指纹质量的指标组合:指纹前景比例,方向对比度,方向场连续性和平滑前后方向场变化率。
The fungicide treatment was useful for promoting the field emergence rate and the seedling quality. 杀菌剂处理也提高了田间出苗率及幼苗素质。
The polaron have a saturated velocity under a fixed electric field, the maximum value is about four times of the sound one. 2.2 Field applying rate dependence of the polaron motion. 不同的电场强度下,极化子存在固定的饱和速度,最大值为四倍声速。2.2极化子的运动与电场施加速率的关系。