Based on shallow-water approximations the governing equations and corresponding boundary conditions for axisymmetrical two-phase gravity currents over a porous substrate are introduced.
对于具有多孔介质底面的轴对称二相重力流 ,引进基于浅水近似的控制方程和相应的边界条件 ,采用贴体坐标变换使运动边界问题化为固定边界问题 ,提出了基于特征插值并结合使用梯形积分公式和Newton Raphson迭代法在时间和空间都具有二阶精度的数值边界条件 。
Research on silt carrying capacity of turbulent flow and sand sluicing at bottom outlet;
湍流挟沙能力与底孔冲沙研究
Radial gate of bottom outlet and its operation for Wanjiazhai water control project;
万家寨水利枢纽泄洪底孔弧形闸门及其运行
Stress test analysis and treatment of the bottom outlet for the Sanmenxia Hydroproject;
三门峡水利枢纽底孔应力试验分析
There are 23 permanent flood discharge deep holes,22 surface holes and 22 temporary diversion flood discharge bottom holes.
三峡大坝在运行期和施工导流期要求的泄洪能力分别达100 000m3/s和70 000m3/s,设有永久泄洪深孔23个、表孔22个,导流底孔22个。
The Study of High Bauxite Porous Ceramics and the Preparation of Porous Ceramics Bulk;
高铝质多孔陶瓷的研制及多孔衬底的制备
Study of the Growth of Silicon Carbide by APCVD on Porous Silicon Substrate;
基于多孔硅衬底的碳化硅APCVD生长研究
Fabracation and Charaterization of Nanostructured Thin Films on Porous Silicon Substrates;
基于多孔硅衬底的纳米薄膜材料的制备与表征
Growth of Polycrystalline Silicon Thin Films on Flexible Substrate;
在柔性衬底上制备多晶硅薄膜的研究
Influence of pillar-and hole-patterned sapphire substrates on MOVPE grown GaN bulk and LED structures
柱状与孔状图形衬底对MOVPE生长GaN体材料及LED器件的影响
Preparation of Polycrystalline Silicon Film on Upgraded Metallurgical Silicon Substrate by ECR-PECVD;
在升级冶金级硅衬底上用ECR-PECVD沉积多晶硅薄膜
Study on the Polycrystalline Silicon Thin Film Solar Cells on Ceramics;
陶瓷衬底上多晶硅薄膜太阳电池的研究
Studies on Preparing Poly-Si Thin Film on Ssp Substrate at Low-temperature;
以硅带为衬底低温制备多晶硅薄膜的研究
Preparation of SiGe Buffer Layer by Oxidation of SiGe/Si MQW Structure
氧化SiGe/Si多量子阱制备Si基SiGe弛豫衬底
Electromagnetic wave reflection of anisotropic layered media with a metallic substrate
金属衬底多层各向异性介质电波反射特性研究
Low Cost Printed Flexible Multilayer Substrates
多层柔性衬底电路板的低成本丝网印刷
Fabrication of Poly-Si Thin Films with Columnar Grains Structure Grown on Cu-coated Glass Substrates
镀铜玻璃衬底上柱状多晶硅薄膜的制备
rammed bottom lining
捣筑(的)衬底, 捣筑炉底
Tighten leaf spring press until bushing flange bottoms solidly against leaf spring eye.
上紧叶片弹簧加压机直到衬套凸缘的底部扎实地扺住叶片弹簧的孔眼。
Multilayer-coated Gratings in the Extreme-ultraviolet Wavelength Region: Fabrication of Bare Grating Substrates and Measurement and Analysis of Diffraction Efficiency
极紫外多层膜光栅的浮雕衬底制作及衍射效率测量与分析
INFLUENCE OF SUBSTRATE TEMPERATURE ON THE SRUCTURAL,OPTICAL AND ELECTRICAL PROPERTIES FOR AZO/Cu/AZO MULTILAYER FILMS
衬底温度对AZO/Cu/AZO多层薄膜结构及光电特性的影响
button-screen pipe
筛孔中有过滤网的衬管
front spring eye bushing
前钢板弹簧卷耳孔衬套