SEM and TEM images show that the resulted Bi nanowires have obvious graded diameters along the nanowire direction with gradient ranging from about 11 .
利用电化学沉积法,在上述氧化铝模板中生长了具有梯度直径的铋纳米线。
An automatic monitoring system of vertical gradients for air pollutant was developed in the study.
设计的大气污染物垂直梯度自动监测系统是用 2个电磁阀实现 3个高度的气体采样 ,依靠分析仪器自身的抽气泵将气体样品通过聚四氟乙烯管抽入各分析仪器进行测量 ,并用一台微机和一块 AD/DA转换板实施对电磁阀的控制和数据采集 。
Preparation and Characterization of Diameter-graded and Multi-branched Nanowires;
具有梯度直径和多级枝状结构金属纳米线的制备与表征
To minimise the temperature gradient across the sample, the light aperture in the block is only2.5 mm?.
为了减小样品上的温度梯度，台体上的光孔直径只有2.5毫米。
length diameter ratio
长径比（长度与直径之比）
Thickness or diameter, as of sheet metal or wire.
直径，厚度金属板的厚度或线的直径
There were steps along the way, a stairway, in effect.
石径上有一个个台阶，简直就是一道阶梯。
Study of Three-dimensional Conjugate Gradients Inversion of DC Resistivity Data;
三维直流电法共轭梯度反演算法研究
Development of the Straightness Measurement System of High-speed Elevator Rail;
高速电梯导轨直线度检测系统的研发
Mean Shift Tracking Algorithm Based on Tensor Gradient Histogram
基于张量梯度直方图的Mean Shift跟踪算法
Multiple Kernels Based Object Tracking Using Histograms of Oriented Gradients
基于梯度方向直方图特征的多核跟踪
The length of such a segment.
直径长这样一段的长度
Diameter, Tolerance and Tensile Strength
直径，公差及拉力强度
velocity along rotor diameter
速度沿旋翼直径的分布
Thresholding Based on Maximum Entropic Correlation of Average Gray Level-gradient Two-dimensional Histogram
平均灰度级-梯度二维直方图最大相关阈值分割
Runoff Stochastic Generation and Mid-long Term Optimized Operation of Cascaded Hydroelectric Plant;
梯级水电站群径流随机模拟及中长期优化调度
A New Gradient Path in Unconstrained Optimization;
一种新的梯度路径在无约束优化中的应用
The determination of drainage radius for reserviors with a start-up pressure gradient
存在启动压力梯度时储层动用半径的确定
Phase gradient autofocus algorithm applied to stripmap SAS
条带式合成孔径声呐相位梯度自聚焦算法
Teacher: What's the relationship between the radius and the diameter of the same circle?
师：直径的长度和半径有什么关系？