Wear track width and corrosion current density are decreased by 4 times and 26 times respectively . Corrosion potential is increased by 5 times .

腐蚀 电位最大提高了5倍，腐蚀电流 密度减少了26倍。

Ultra-high density information storage technology has become the commanding height of storage technology . Discrete track recording ( DTR ) media as an effective approach to achieve higher storage density is hopeful to attain storage density of 1Tbit / in2 therefore has received widespread attention .

超高密度存储技术已经成为信息存储技术的制高点，离散 磁道式磁盘作为提高存储 密度的有效手段，有望达到1Tbit/in2的存储密度，因而得到了广泛的关注。

Accuracy Analysis of Track Irregularity Spectrum Density Obtained from Track Geometry Inspection Car

轨 检车测取的轨道谱精度分析

Instead researchers track it using numerical simulations which show that all CDM halos in virial equilibrium have similar density profiles .

幸而研究人员 依赖数值模拟，发现处于均功平衡的所有CDM晕都有类似的 密度特性。

A new counting method for fission track density

一种裂变 径迹 密度统计的新方法

The article utilize track irregularity power spectral density to simulation analysis of vibrating process .

本文利用 轨道不平顺的功率谱 密度函数和列车模型，仿真分析了列车的加速度响应。

Track breakage is common issue in multiple ballistic targets tracking scenario with high speed high density and large measurement error .

多弹道目标跟踪伴随着速度快、 密集 程度高以及测量误差大等因素，在跟踪过程中发生 航迹中断是一个很普遍的现象。

The track density is 48 tpi and the number of tracks is 77 .

磁道 密度是48道／英寸，磁道数是77。

The performances in some track and field events are affected to different degrees by changes in air density and gravity .

地理状况造成的空气 密度（空气阻力）和重力等因素均可影响某些 田径项目的成绩。

Application of wavelet transform to obtain track static power spectrum density

小波变换在 轨道静态功率谱 密度获取中的应用

The program for rail irregularity analysis processes the track irregularity data measured by track inspection car to obtain the distribution function of power spectrum density ( PSD ) .

轨道不平顺分析程序对 轨检车测得的轨道不平顺数据进行处理，得到功率谱 密度分布函数。

This paper presents mainly the vertical wheel / track dynamic overloads on varying track state . On the basis of random vibration theory and leading into track irregularity power spectrum density a model of wheel / track interaction is established .

根据随机振动基本理论，建立了轮轨相互作用模型，分析列车速度提高后， 轨道不平顺 谱、轨道刚度等参数对轮轨附加动荷载的影响。

Under the identical exposure condition there was a linear relationship between alpha-particle fluence and track density .

在入射条件一致情况下，α粒子注量与产生的 径迹 密度呈线性关系。

Darkness & track density calibration curves determined on nuclear emulsion plates

核乳胶片上测定的黑度& 径迹 密度定标曲线

The dissertation has achieved the human tracking through the iteration of Kalman filter and particle filter . 3 、 The dissertation proposed a method to track multiple human bodies in a single camera based on probability density estimation .

提出了一种利用概率 密度估计方法实现单摄像机下的多个人体 跟踪方法。

The paper proposes a kind of recognition method which combines track density recognition algorithm with level feature recognition algorithm and it is very effective for offline irregular number .

本文提出的一种识别方法，将笔 道 密度识别算法和层次特征识别算法相结合，对不规则数码脱机识别起到了十分有效的作用。

The results indicate that data processing approach based on wavelet transform can increase noise-signal ration of track static parameters and improve visibility of track static power spectrum density . 6 figs 9 refs .

结果表明，该方法成功地获取了轨道静态功率谱密度，有效提高了轨道静态参数信噪比和 轨道静态功率谱 密度图的可视性。

Mini Piezoelectric Actuator for Rigid Disk Drives with High Track Density

高 密度硬磁盘用小型压电 致动器

The heating rule in over-nameplate capacity operation of traction rectifier transformer used in city track traffic is analysed . The functional relation between temperature rise and current density on rated operating condition is determined .

分析了城市 轨道交通用牵引整流变压器超铭牌容量运行的发热规律，确定了额定运行时温升与电流 密度之间的函数关系。

Establishing the dynamic performance simulation of high-speed train track random irregularity excitation model by taking the PSD ( Power Spectral Density ) the change law of wheel / rail vertical and horizontal force with curve radius value in less super high and super high state is obtained .

将德国 高干扰谱用于高速动车动态性能仿真建立的 轨道随机不平顺激扰模型，分析了欠超高和过超高状态下轮轨垂向力和横向力随曲线半径值变化规律。

Applying this single-stage head positioning structure due to mechanical resonances and high frequency uncertainties existed in VCM it is hard to improve the servo bandwidth and further increase track density .

采用这种单级磁头定位结构，由于音圈电机存在机械谐振和高频不确定性，从而限制了伺服带宽的提高，进一步制约了 磁道 密度的增加。