The narrower the cross section is, the smaller the separated region will be. 椭球体横截面形状越扁平,开式分离就越提前产生。
The development of countries cannot be separated from the region, and that of the region cannot be separated from the globe. 国家要发展离不开地区,地区要发展离不开全球。
It is seen that there is no separated flow and closed streamline in porous media region near the sudden-changed cross-section. 由此表明,在突变截面附近的渗流区域中不存在回流和分离流,也不存在封闭的流线。
The presented results have shown that the gap size significantly effects separated region, i. 结果表明,缝隙大小明显地影响分离区范围,缝隙加宽使分离区缩小;
The discussion on oil-flow visualization of separated flow of axial flow fan in low flow rate region 小流量轴流风机流动分离的油流显示探讨
This paper offers both an optimum numerical method of inlet connection to guarantee the flow velocity at the impeller inlet being as uniform as possible and an unified optimum design program for inlet connection, impeller and Volute to reduce the separated flow region in fan. 本文提出了离心风机进风口设计的优化数值方法以确保叶轮进口速度尽量均匀,以及进风口、叶轮和蜗壳统一优化设计方法以减少叶轮、蜗壳中的分离流动。
Result confirms that heat conduction in liquid film is the predominant mechanism of boiling heat transfer in vapor-liquid separated flow region in a vertical narrow rectangular space. 从而证实了液膜导热是竖直矩形窄缝内汽液分相流动区沸腾传热的主导机理。
METHODS: The region of interest ( ROI) was separated from the region of background by a novel linear mapping function and further enhanced by the linear general fuzzy operator. 方法:首先,通过定义一个线性映射函数,将感兴趣区域(ROI)从背景区域分离出来;其次,用线性的广义模糊算子(L-GFO)单独对ROI进行增强。
This article studies separated flow in sudden expansion region, plug-dissipator model and the three-dimensional flow in duct with FLUENT. 本文分别对各种雷诺数来流条件下的突扩分离流、洞塞消能模型以及三维管流应用FLUENT进行了数值模拟研究。论文主要由四部分组成。
According to the known mask, image can be separated into target region and source region. 该方法根据已知的蒙板图像,将图像分为目标区域和源区域。
CIEF permits proteins to be separated with Δ pIs of about 0.004. However, broader use of CIEF has been limited by poor reproducibility and resolution, particularly in the high pI region. 它可以分离等电点相差0.004的蛋白质。但是其较差的重现性和分辨率限制了CIEF的广泛应用,尤其是在高pI值范围内的广泛应用。
In the model, porous media were separated into two regions: the wet region and the dry region according to the irreducible saturation, and two regions were coupled by a dynamic evaporation front boundary. 模型中以残余饱和度将多孔介质划分为湿区与干区,湿区和干区以蒸发界面动态边界相互耦合。
Determination of Separated Region in a Curved Tube 弯曲血管涡旋分离区的确定
The main research includes the thermoanalysis and calculation of evaporator respectively adopting the separated region model and the node model, and the parametric drawing of the evaporator by using Visual Lisp. 针对不同的研究目的,分别采用分段模型与节点模型对蒸发器进行了热力分析与计算,并使用VISUALLISP对蒸发器进行参数化绘图。
Size fractions of micro-aggregates were separated from undisturbed soil samples from a paddy soil in Taihu Lake region,( China.) The sorption and desorption of Cd~ ( 2+) by the particle separates were studied by using equilibrium adsorption method. 对采自太湖地区黄泥土进行了低能量超声波分离,采用平衡吸附法研究了不同粒径微团聚体颗粒对重金属Cd2+的吸附和解吸特点。
RANS/ LES hybrid turbulence model can combine the good performance of RANS within the attached layer and of LES in separated region. RANS/LES混合湍流模式则可以结合RANS方法在附着区内以及LES方法在分离区内各自的良好性能。
Firstly, the whole P/ G network is separated into three parts: the solved region, the active region and the faraway region. 首先,将整个P/G网划分为三个部分:求解区,临近区和非临近区。
We separated the false signals by means of artificial neural networks and support vector machine classifiers in order to extract of the region of interest. 结合人工神经网络和支持向量机分别对提取的特征向量进行分类以提取感兴趣区域。
This solution can make the face area is separated in a unified region to improve accuracy. 这种解决方法,可以使人脸区域被分隔在统一区域的准确率提高。
Firstly, the method used the background subtraction to identify the foreground region. Then combined with the shadow suppression algorithm based on color space, the shadows were separated from foreground region. Finally, the accurate moving objects could be obtained. 利用运动阴影不影响背景模型的建立和更新的特点,使用背景减除法初步确定前景区域,然后结合基于彩色空间的阴影抑制算法将前景区域的阴影分割出来,最终得到准确的运动目标。
The segmentation algorithm is separated into three parts: gradient computation, watershed segmentation and region merging of over segmentation. 该分割算法分为三个部分:梯度计算、分水岭预分割、过分割区域合并。
In the basis of measure of efficiency of industrial land, the scale efficiency value of industrial land in each county was separated which was grouped into city level. Region difference of scale efficiency of land among these cities was analysed. 在工业用地效率测算的基础上,进而剥离得到浙江省各县(市)用地规模效率值,分地级市进行归并处理后,对不同地级市的用地规模效率进行地区差异分析。
After gradient vector diffusion and gradient flow tracking, the cell image is separated into some small regions, each region containing one cell and its background. Local adaptive thresholding is performed for each small region, the single cell can be extracted from the background. 通过梯度向量扩散与梯度流跟踪,细胞图像被分割成很多个仅包含一个细胞和周围背景的小区域;然后使用自适应阈值法成功地从每一个小区域的背景中提取独立的细胞。
First, a gradient image is separated into a large number of small regions by watershed algorithm. Then the regions are merged on the basis of the region similarity. 首先利用分水岭算法对梯度图像进行初始分割,再根据区域之间的相似性对区域进行合并。