Then the Contribution is the grid density and dispose of density threshold of grid by the method of density threshold.
然后将“贡献度”作为网格单元密度，使用密度阈值函数来定义网格的密度阈值进行聚类。
Putting the reactants in uniform electric field, we reduced the laser power density threshold needed by said reaction by a factor of two.
把反应物置于均匀外电场中，可以使引发化学反应时所需的激光功率密度阀值降低一倍。
The influences of the filler metal powder on the laser power density threshold value, weld formation and process stability were studied during CO_2 laser welding of aluminum alloy.
研究了填充合金粉对CO_2激光焊接功率阈值、焊缝成形和焊接过程稳定性的影响。
It ascertains the optimum grid granularity and density threshold on the basis of the situation in which dense and sparse grid is generated during the procedure of grid dynamical partitioning.
在网格动态划分过程中，根据密网格和稀疏网格的产生情况，确定最佳网格粒度与密度阈值。
Above that threshold, the SFR increases linearly with that surface density.
高于阀值时，SFR随表面密度线性增长。
They discovered that star formation is pretty well non-existent until the surface density reaches a certain threshold in parts of the cloud.
他们发现恒星只有在表面密度达到一定的阀值时才会较好的形成。
All darkness will be gone when Earth enters fourth density around the end of your calendar year 2012, but not all the glories of her Golden Age will be on that threshold.
所有的黑暗将在地球进入到第四密度的时候消失，时间在你们历法的2012年，但是并不是地球母亲所有黄金时代的荣耀就在那个门槛马上到来。
Then , an implicit expression for electron density and a closed form of threshold voltage are presented fully comprising quantum mechanical ( qm ) effects.
给出了电子密度的隐式表达式和阈电压的显式表达式，它们都充分考虑了量子力学效应。
The results show: pulse power density from CO2 laser reaches air breakdown threshold through thrice reflecting focus system, and plasma radiation phenomena is observed in the experiment.
结果表明，脉冲co 2激光功率密度经三次反射激光聚焦系统达到空气击穿阈值，实验中观察到等离子体发光现象。
Economic threshold for this pest insect was estimated by measuring the increasement rate of population density.
并提出用害虫种群潜在密度确定卷叶螟经济阈值的方法。
The ignition threshold of laser supported detonation wave (LSDW) can be determined based on the component variation of plasma in the laser absorption zone with laser power density.
根据激光吸收区等离子体组分与激光功率密度的关系判定激光支持爆轰波(LSDW)的点燃阈值。
Further analysis shows that it is caused by the enhancement of the threshold current density and threshold carrier density in terms of optical-gain spe.
进一步分析认为，这是因为条宽变窄导致器件阈值电流密度、阈值载流子密度变大造成的。
If a magnetic flux density is larger than threshold Bop, DO is turned to sink and DOB is turned to drive.
如果磁通密度大于阈值波普，DO是转向下沉和出生日期是转向驱动器。
For a loss modulation where the threshold carrier density may change, the neglected term may become comparable to the retained first order small quantity.
在损耗调制的情况下，系统变化前后的阈值载流子密度不同，被忽略的二阶小量可能会达到与一阶小量可比拟的程度。
The relationship between the threshold voltage and the peak of proportional difference, and between the interface trap density and stress time are also acquired.
得到了阈值电压和比例差分峰值，界面陷阱密度和应力时间的关系。
This thesis is composed of two sections in which we discuss generalized spectral density test of conditional autoregressive heteroscedasticity for threshold autoregressive model.
本文分两节对门限自回归模型中自回归条件异方差的广义谱密度检验进行了讨论。在第一节中，我们介绍了广义谱密度检验。
It is found that there is a threshold energy density in laser doping, and distributions of dopant density and depth have relation to preheat temperature and plating layer thickness of the impurities.
激光掺杂存在一个阈值能量密度。掺杂浓度和深度的分布与预热温度和杂质镀层厚度有关。
At first, the image background is suppressed by setting a threshold. Then, both gray density and gray interval of the histogram are equalized.
该算法首先通过设置平台阈值对背景的增强进行抑制，然后将直方图在灰度密度和灰度间距两个方向进行均衡处理。
The analytical solutions to 1D Schrdinger equation (in depth direction) in double gate (DG) MOSFETs are derived to calculate electron density and threshold voltage.
推导了双栅MOSFET器件在深度方向上薛定谔方程的解析解以求得电子密度和阈电压。
The computed results indicate that when the weed density is below the threshold, no weed control should be required.
计算结果表明，当杂草密度低于阈值时，不需要防除。
The simulation result with different power laser density is discussed, and the laser power threshold density for aluminum is calculated.
对不同功率密度激光作用的模拟结果进行分析，并求解了纯铝熔化破坏的激光功率阈值。
Methods:Dynamic CT scan was performed in 9 volunteers, measuring the CT value of the same plane of aortic arch and the theoretical threshold was obtained by the time density curve(TDC).
方法：9例志愿者行主动脉弓同层动态增强扫描，利用获得的主动脉弓时间-密度曲线（TDC），寻求触发技术的理论阈值。
The results show that the algorithm in different basins should take a different threshold. The scope of the threshold affect the density and precision of the extracted network widely.
研究结果表明，在算法中不同的流域应取不同的阈值，所取阈值的范围对提取出的河网密度、精细度等有着巨大的影响。
The choice for the optimum threshold is the core of the segmentation for cellular images. A single method is hardly suitable for all images with various kinds of density.
最优阈值的选取是细胞图像分割中的核心问题，单一的分割方法往往不能适用于各种疏密不一的细胞图像。
The choice for the optimum threshold is the core of the segmentation for cellular images. A single method is hardly suitable for all images with various kinds of density.
最优阈值的选取是细胞图像分割中的核心问题，单一的分割方法往往不能适用于各种疏密不一的细胞图像。
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